Merge branch 'master' of https://git.frank-ebner.de/matt/RothenburgAR

2019-01-14 15:32:56 +01:00
parent ed99a2a995 725cfdbffb
commit a1d662644f
76 changed files with 5876 additions and 661 deletions
--- a/Assets/JsonDotNet/Documentation/Json
+++ b/Assets/JsonDotNet/Documentation/Json
--- a/Assets/JsonDotNet/Documentation/Json
+++ b/Assets/JsonDotNet/Documentation/Json
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 4e7d9a07cc3f02a41a575406e7230846
-timeCreated: 1466788421
-licenseType: Store
-DefaultImporter:
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
--- a/Assets/JsonDotNet/JsonDotNet201Source.zip
+++ b/Assets/JsonDotNet/JsonDotNet201Source.zip
--- a/Assets/JsonDotNet/JsonDotNet201Source.zip.meta
+++ b/Assets/JsonDotNet/JsonDotNet201Source.zip.meta
@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 9a6f8c7c1ea72ce46831c5e1b6150d0c
-timeCreated: 1466790933
-licenseType: Store
-DefaultImporter:
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 
--- a/Assets/Resources/Materials/DetailProjektionAlphamap.png
+++ b/Assets/Resources/Materials/DetailProjektionAlphamap.png
--- a/Assets/Resources/Prefabs/ExhibitTitle.prefab
+++ b/Assets/Resources/Prefabs/ExhibitTitle.prefab
@@ -479,7 +479,7 @@ MonoBehaviour:
  m_Name: 
  m_EditorClassIdentifier: 
  m_IgnoreLayout: 0
-  m_MinWidth: 0.5
+  m_MinWidth: 0.85
  m_MinHeight: -1
  m_PreferredWidth: -1
  m_PreferredHeight: -1
@@ -546,7 +546,7 @@ MonoBehaviour:
  m_Script: {fileID: 1741964061, guid: f70555f144d8491a825f0804e09c671c, type: 3}
  m_Name: 
  m_EditorClassIdentifier: 
-  m_HorizontalFit: 2
+  m_HorizontalFit: 1
  m_VerticalFit: 2
 --- !u!222 &222375422432509192
 CanvasRenderer:
--- a/Assets/Resources/UI/ARView.prefab
+++ b/Assets/Resources/UI/ARView.prefab
@@ -289,7 +289,7 @@ GameObject:
  m_IsActive: 1
 --- !u!1 &1461557036225360
 GameObject:
-  m_ObjectHideFlags: 0
+  m_ObjectHideFlags: 1
  m_PrefabParentObject: {fileID: 0}
  m_PrefabInternal: {fileID: 100100000}
  serializedVersion: 5
@@ -556,7 +556,7 @@ Transform:
  - {fileID: 4802536742996532}
  - {fileID: 4501641520781714}
  m_Father: {fileID: 224804495073354866}
-  m_RootOrder: 4
+  m_RootOrder: 3
  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
 --- !u!4 &4501641520781714
 Transform:
@@ -777,6 +777,7 @@ MonoBehaviour:
  m_EditorClassIdentifier: 
  DetailsPanel: {fileID: 114451700018395534}
  ProjectionEffect: {fileID: 114717549802739924}
+  Crosshairs: {fileID: 1466316426385876}
 --- !u!114 &114116594606330924
 MonoBehaviour:
  m_ObjectHideFlags: 1
@@ -2222,7 +2223,7 @@ RectTransform:
  - {fileID: 224757765789199188}
  - {fileID: 224017865803686938}
  m_Father: {fileID: 224804495073354866}
-  m_RootOrder: 3
+  m_RootOrder: 2
  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
  m_AnchorMin: {x: 0, y: 0}
  m_AnchorMax: {x: 0, y: 0}
@@ -2370,8 +2371,9 @@ RectTransform:
  - {fileID: 224781237586130416}
  - {fileID: 224060988043194314}
  - {fileID: 224272151730405692}
+  - {fileID: 224954540062687134}
  m_Father: {fileID: 224804495073354866}
-  m_RootOrder: 2
+  m_RootOrder: 1
  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
  m_AnchorMin: {x: 0, y: 0}
  m_AnchorMax: {x: 1, y: 1}
@@ -2485,7 +2487,6 @@ RectTransform:
  m_LocalScale: {x: 0, y: 0, z: 0}
  m_Children:
  - {fileID: 224632685815868688}
-  - {fileID: 224954540062687134}
  - {fileID: 224620536568054620}
  - {fileID: 224250538007241578}
  - {fileID: 4112130633259944}
@@ -2638,8 +2639,8 @@ RectTransform:
  m_Children:
  - {fileID: 224567183914418614}
  - {fileID: 224216194665817218}
-  m_Father: {fileID: 224804495073354866}
-  m_RootOrder: 1
+  m_Father: {fileID: 224620536568054620}
+  m_RootOrder: 3
  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
  m_AnchorMin: {x: 1, y: 0.5}
  m_AnchorMax: {x: 1, y: 0.5}
--- a/Assets/Resources/UI/CreditsView.prefab
+++ b/Assets/Resources/UI/CreditsView.prefab
@@ -913,8 +913,8 @@ MonoBehaviour:
  m_TargetGraphic: {fileID: 114224566756848850}
  m_HandleRect: {fileID: 224135889778237342}
  m_Direction: 2
-  m_Value: 0.9999998
-  m_Size: 0.5452254
+  m_Value: 0.50000024
+  m_Size: 0.5452256
  m_NumberOfSteps: 0
  m_OnValueChanged:
    m_PersistentCalls:
@@ -1343,7 +1343,7 @@ MonoBehaviour:
  m_Script: {fileID: -765806418, guid: f70555f144d8491a825f0804e09c671c, type: 3}
  m_Name: 
  m_EditorClassIdentifier: 
-  m_Material: {fileID: 2100000, guid: 184173fb9a2399341882a894edcac032, type: 2}
+  m_Material: {fileID: 2100000, guid: a5b7496cf6d1ca34bab1a076f7b545e0, type: 2}
  m_Color: {r: 1, g: 1, b: 1, a: 1}
  m_RaycastTarget: 0
  m_OnCullStateChanged:
@@ -1579,7 +1579,7 @@ RectTransform:
  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
  m_AnchorMin: {x: 0, y: 0}
  m_AnchorMax: {x: 1, y: 1}
-  m_AnchoredPosition: {x: 0, y: -195.90994}
+  m_AnchoredPosition: {x: 0, y: -0.000076293945}
  m_SizeDelta: {x: 0, y: 0}
  m_Pivot: {x: 0.5, y: 0.5}
 --- !u!224 &224254431283456606
--- a/Assets/Resources/UI/SettingsView.prefab
+++ b/Assets/Resources/UI/SettingsView.prefab
@@ -45,6 +45,23 @@ GameObject:
  m_NavMeshLayer: 0
  m_StaticEditorFlags: 0
  m_IsActive: 1
+--- !u!1 &1093947357135468
+GameObject:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  serializedVersion: 5
+  m_Component:
+  - component: {fileID: 224330316150687214}
+  - component: {fileID: 222536103881524360}
+  - component: {fileID: 114428313277484686}
+  m_Layer: 0
+  m_Name: Icon
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
 --- !u!1 &1123889251050150
 GameObject:
  m_ObjectHideFlags: 1
@@ -56,6 +73,7 @@ GameObject:
  - component: {fileID: 222257107596212176}
  - component: {fileID: 114703351711471558}
  - component: {fileID: 114099535585905582}
+  - component: {fileID: 114450829088306680}
  m_Layer: 5
  m_Name: TextMeshPro Text
  m_TagString: Untagged
@@ -128,7 +146,7 @@ GameObject:
  - component: {fileID: 222516432528614952}
  - component: {fileID: 114312292318207176}
  m_Layer: 5
-  m_Name: ButtonLanguage
+  m_Name: ButtonUpdate
  m_TagString: Untagged
  m_Icon: {fileID: 0}
  m_NavMeshLayer: 0
@@ -180,6 +198,7 @@ GameObject:
  - component: {fileID: 222236235550470454}
  - component: {fileID: 114304727189119928}
  - component: {fileID: 114761951126762250}
+  - component: {fileID: 114259177279469450}
  m_Layer: 5
  m_Name: TextMeshPro Text
  m_TagString: Untagged
@@ -238,6 +257,25 @@ GameObject:
  m_NavMeshLayer: 0
  m_StaticEditorFlags: 0
  m_IsActive: 1
+--- !u!1 &1559326554126414
+GameObject:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  serializedVersion: 5
+  m_Component:
+  - component: {fileID: 224403095676770094}
+  - component: {fileID: 222736219676448006}
+  - component: {fileID: 114575509895372660}
+  - component: {fileID: 114834531991525614}
+  - component: {fileID: 114855165548587684}
+  m_Layer: 5
+  m_Name: TextMeshPro Text
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
 --- !u!1 &1566260761276548
 GameObject:
  m_ObjectHideFlags: 1
@@ -249,6 +287,7 @@ GameObject:
  - component: {fileID: 222430445161218842}
  - component: {fileID: 114962239977612638}
  - component: {fileID: 114191467112603124}
+  - component: {fileID: 114258570651376336}
  m_Layer: 5
  m_Name: TextMeshPro Text
  m_TagString: Untagged
@@ -289,6 +328,23 @@ GameObject:
  m_NavMeshLayer: 0
  m_StaticEditorFlags: 0
  m_IsActive: 1
+--- !u!1 &1613888947816932
+GameObject:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  serializedVersion: 5
+  m_Component:
+  - component: {fileID: 224898673201446374}
+  - component: {fileID: 222151895407047394}
+  - component: {fileID: 114021329305057850}
+  m_Layer: 5
+  m_Name: ButtonLanguage
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
 --- !u!1 &1622699956602756
 GameObject:
  m_ObjectHideFlags: 1
@@ -300,6 +356,7 @@ GameObject:
  - component: {fileID: 222686667508429160}
  - component: {fileID: 114993845510651576}
  - component: {fileID: 114386162478351322}
+  - component: {fileID: 114567690225261020}
  m_Layer: 5
  m_Name: TextMeshPro Text
  m_TagString: Untagged
@@ -318,6 +375,7 @@ GameObject:
  - component: {fileID: 222633703844647490}
  - component: {fileID: 114160009348696074}
  - component: {fileID: 114427529426144796}
+  - component: {fileID: 114869981639449470}
  m_Layer: 5
  m_Name: TextMeshPro Text
  m_TagString: Untagged
@@ -325,6 +383,24 @@ GameObject:
  m_NavMeshLayer: 0
  m_StaticEditorFlags: 0
  m_IsActive: 1
+--- !u!1 &1733985940025502
+GameObject:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  serializedVersion: 5
+  m_Component:
+  - component: {fileID: 224068246739610406}
+  - component: {fileID: 222218005056313502}
+  - component: {fileID: 114529575306895444}
+  - component: {fileID: 114883595898678426}
+  m_Layer: 5
+  m_Name: Button
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
 --- !u!1 &1822126980603004
 GameObject:
  m_ObjectHideFlags: 1
@@ -482,6 +558,25 @@ GameObject:
  m_NavMeshLayer: 0
  m_StaticEditorFlags: 0
  m_IsActive: 1
+--- !u!114 &114021329305057850
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1613888947816932}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 1679637790, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_IgnoreLayout: 0
+  m_MinWidth: -1
+  m_MinHeight: -1
+  m_PreferredWidth: -1
+  m_PreferredHeight: -1
+  m_FlexibleWidth: 1
+  m_FlexibleHeight: 1
+  m_LayoutPriority: 1
 --- !u!114 &114023377107792378
 MonoBehaviour:
  m_ObjectHideFlags: 1
@@ -624,17 +719,6 @@ MonoBehaviour:
  m_Script: {fileID: 11500000, guid: 2e7e534f013c7074aaec3f25f856d317, type: 3}
  m_Name: 
  m_EditorClassIdentifier: 
-  MenuEntries:
-  - Token: t_menu_button_color
-    TextMesh: {fileID: 114304727189119928}
-  - Token: t_menu_button_language
-    TextMesh: {fileID: 114993845510651576}
-  - Token: t_menu_button_tutorial
-    TextMesh: {fileID: 114160009348696074}
-  - Token: t_menu_button_fontsize
-    TextMesh: {fileID: 114962239977612638}
-  - Token: t_menu_button_credits
-    TextMesh: {fileID: 114703351711471558}
 --- !u!114 &114140955474629306
 MonoBehaviour:
  m_ObjectHideFlags: 1
@@ -892,6 +976,30 @@ MonoBehaviour:
  m_Name: 
  m_EditorClassIdentifier: 
  SizeClass: 1
+--- !u!114 &114258570651376336
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1566260761276548}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 104796bd5a7a2434bb835da75350ba3f, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  LocalizationToken: t_menu_button_fontsize
+--- !u!114 &114259177279469450
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1453184506351326}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 104796bd5a7a2434bb835da75350ba3f, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  LocalizationToken: t_menu_button_color
 --- !u!114 &114304727189119928
 MonoBehaviour:
  m_ObjectHideFlags: 1
@@ -1126,6 +1234,45 @@ MonoBehaviour:
  m_Name: 
  m_EditorClassIdentifier: 
  SizeClass: 1
+--- !u!114 &114428313277484686
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1093947357135468}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: -765806418, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Material: {fileID: 0}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 0
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
+      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
+  m_Sprite: {fileID: 21300000, guid: c5442431c660fb04187df8dfe3e1818e, type: 3}
+  m_Type: 0
+  m_PreserveAspect: 1
+  m_FillCenter: 1
+  m_FillMethod: 4
+  m_FillAmount: 1
+  m_FillClockwise: 1
+  m_FillOrigin: 0
+--- !u!114 &114450829088306680
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1123889251050150}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 104796bd5a7a2434bb835da75350ba3f, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  LocalizationToken: t_menu_button_credits
 --- !u!114 &114481541986733408
 MonoBehaviour:
  m_ObjectHideFlags: 1
@@ -1270,6 +1417,157 @@ MonoBehaviour:
  m_FlexibleWidth: 1
  m_FlexibleHeight: 1
  m_LayoutPriority: 1
+--- !u!114 &114529575306895444
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1733985940025502}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: -765806418, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Material: {fileID: 2100000, guid: b49170becc957054782e78d161ecef43, type: 2}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
+      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
+  m_Sprite: {fileID: 21300000, guid: 9fa74bcade8d1ab4d8c93a63ac2cf0f7, type: 3}
+  m_Type: 1
+  m_PreserveAspect: 1
+  m_FillCenter: 1
+  m_FillMethod: 4
+  m_FillAmount: 1
+  m_FillClockwise: 1
+  m_FillOrigin: 0
+--- !u!114 &114567690225261020
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1622699956602756}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 104796bd5a7a2434bb835da75350ba3f, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  LocalizationToken: t_menu_button_update
+--- !u!114 &114575509895372660
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1559326554126414}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 1453722849, guid: 89f0137620f6af44b9ba852b4190e64e, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Material: {fileID: 0}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 0
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
+      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
+  m_text: Sprache
+  m_isRightToLeft: 0
+  m_fontAsset: {fileID: 11400000, guid: 715b80e429c437e40867928a4e1fc975, type: 2}
+  m_sharedMaterial: {fileID: 2180264, guid: 715b80e429c437e40867928a4e1fc975, type: 2}
+  m_fontSharedMaterials: []
+  m_fontMaterial: {fileID: 0}
+  m_fontMaterials: []
+  m_fontColor32:
+    serializedVersion: 2
+    rgba: 4294967295
+  m_fontColor: {r: 1, g: 1, b: 1, a: 1}
+  m_enableVertexGradient: 0
+  m_fontColorGradient:
+    topLeft: {r: 1, g: 1, b: 1, a: 1}
+    topRight: {r: 1, g: 1, b: 1, a: 1}
+    bottomLeft: {r: 1, g: 1, b: 1, a: 1}
+    bottomRight: {r: 1, g: 1, b: 1, a: 1}
+  m_fontColorGradientPreset: {fileID: 0}
+  m_spriteAsset: {fileID: 0}
+  m_tintAllSprites: 0
+  m_overrideHtmlColors: 0
+  m_faceColor:
+    serializedVersion: 2
+    rgba: 4294967295
+  m_outlineColor:
+    serializedVersion: 2
+    rgba: 4278190080
+  m_fontSize: 25
+  m_fontSizeBase: 25
+  m_fontWeight: 400
+  m_enableAutoSizing: 0
+  m_fontSizeMin: 18
+  m_fontSizeMax: 72
+  m_fontStyle: 0
+  m_textAlignment: 513
+  m_isAlignmentEnumConverted: 1
+  m_characterSpacing: 0
+  m_wordSpacing: 0
+  m_lineSpacing: 0
+  m_lineSpacingMax: 0
+  m_paragraphSpacing: 0
+  m_charWidthMaxAdj: 0
+  m_enableWordWrapping: 1
+  m_wordWrappingRatios: 0.4
+  m_overflowMode: 0
+  m_firstOverflowCharacterIndex: -1
+  m_linkedTextComponent: {fileID: 0}
+  m_isLinkedTextComponent: 0
+  m_enableKerning: 1
+  m_enableExtraPadding: 0
+  checkPaddingRequired: 0
+  m_isRichText: 1
+  m_parseCtrlCharacters: 1
+  m_isOrthographic: 1
+  m_isCullingEnabled: 0
+  m_ignoreRectMaskCulling: 0
+  m_ignoreCulling: 1
+  m_horizontalMapping: 0
+  m_verticalMapping: 0
+  m_uvLineOffset: 0
+  m_geometrySortingOrder: 0
+  m_firstVisibleCharacter: 0
+  m_useMaxVisibleDescender: 1
+  m_pageToDisplay: 1
+  m_margin: {x: 0, y: 0, z: 0, w: 0}
+  m_textInfo:
+    textComponent: {fileID: 114575509895372660}
+    characterCount: 7
+    spriteCount: 0
+    spaceCount: 0
+    wordCount: 1
+    linkCount: 0
+    lineCount: 1
+    pageCount: 1
+    materialCount: 1
+  m_havePropertiesChanged: 1
+  m_isUsingLegacyAnimationComponent: 0
+  m_isVolumetricText: 0
+  m_spriteAnimator: {fileID: 0}
+  m_isInputParsingRequired: 1
+  m_inputSource: 0
+  m_hasFontAssetChanged: 0
+  m_subTextObjects:
+  - {fileID: 0}
+  - {fileID: 0}
+  - {fileID: 0}
+  - {fileID: 0}
+  - {fileID: 0}
+  - {fileID: 0}
+  - {fileID: 0}
+  - {fileID: 0}
+  m_baseMaterial: {fileID: 0}
+  m_maskOffset: {x: 0, y: 0, z: 0, w: 0}
 --- !u!114 &114596666055262414
 MonoBehaviour:
  m_ObjectHideFlags: 1
@@ -1337,7 +1635,7 @@ MonoBehaviour:
    m_PersistentCalls:
      m_Calls:
      - m_Target: {fileID: 114126113914499456}
-        m_MethodName: SwitchToLanguageSelectView
+        m_MethodName: SwitchToUpdaterView
        m_Mode: 1
        m_Arguments:
          m_ObjectArgument: {fileID: 0}
@@ -1521,7 +1819,7 @@ MonoBehaviour:
    m_Top: 0
    m_Bottom: 0
  m_ChildAlignment: 0
-  m_Spacing: 16
+  m_Spacing: 12
  m_ChildForceExpandWidth: 1
  m_ChildForceExpandHeight: 1
  m_ChildControlWidth: 1
@@ -1617,6 +1915,30 @@ MonoBehaviour:
  m_Name: 
  m_EditorClassIdentifier: 
  SizeClass: 1
+--- !u!114 &114834531991525614
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1559326554126414}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 8b136c9157840904ba79e96d50f494bc, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  SizeClass: 1
+--- !u!114 &114855165548587684
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1559326554126414}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 104796bd5a7a2434bb835da75350ba3f, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  LocalizationToken: t_menu_button_language
 --- !u!114 &114861247372160662
 MonoBehaviour:
  m_ObjectHideFlags: 1
@@ -1652,6 +1974,70 @@ MonoBehaviour:
  m_FlexibleWidth: 1
  m_FlexibleHeight: 1
  m_LayoutPriority: 1
+--- !u!114 &114869981639449470
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1663770969281230}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 104796bd5a7a2434bb835da75350ba3f, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  LocalizationToken: t_menu_button_tutorial
+--- !u!114 &114883595898678426
+MonoBehaviour:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1733985940025502}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 1392445389, guid: f70555f144d8491a825f0804e09c671c, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Navigation:
+    m_Mode: 3
+    m_SelectOnUp: {fileID: 0}
+    m_SelectOnDown: {fileID: 0}
+    m_SelectOnLeft: {fileID: 0}
+    m_SelectOnRight: {fileID: 0}
+  m_Transition: 1
+  m_Colors:
+    m_NormalColor: {r: 1, g: 1, b: 1, a: 1}
+    m_HighlightedColor: {r: 0.9607843, g: 0.9607843, b: 0.9607843, a: 1}
+    m_PressedColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 1}
+    m_DisabledColor: {r: 0.78431374, g: 0.78431374, b: 0.78431374, a: 0.5019608}
+    m_ColorMultiplier: 1
+    m_FadeDuration: 0.1
+  m_SpriteState:
+    m_HighlightedSprite: {fileID: 0}
+    m_PressedSprite: {fileID: 0}
+    m_DisabledSprite: {fileID: 0}
+  m_AnimationTriggers:
+    m_NormalTrigger: Normal
+    m_HighlightedTrigger: Highlighted
+    m_PressedTrigger: Pressed
+    m_DisabledTrigger: Disabled
+  m_Interactable: 1
+  m_TargetGraphic: {fileID: 114529575306895444}
+  m_OnClick:
+    m_PersistentCalls:
+      m_Calls:
+      - m_Target: {fileID: 114126113914499456}
+        m_MethodName: SwitchToLanguageSelectView
+        m_Mode: 1
+        m_Arguments:
+          m_ObjectArgument: {fileID: 0}
+          m_ObjectArgumentAssemblyTypeName: UnityEngine.Object, UnityEngine
+          m_IntArgument: 0
+          m_FloatArgument: 0
+          m_StringArgument: de
+          m_BoolArgument: 0
+        m_CallState: 2
+    m_TypeName: UnityEngine.UI.Button+ButtonClickedEvent, UnityEngine.UI, Version=1.0.0.0,
+      Culture=neutral, PublicKeyToken=null
 --- !u!114 &114891783888147370
 MonoBehaviour:
  m_ObjectHideFlags: 1
@@ -1725,7 +2111,7 @@ MonoBehaviour:
      m_Calls: []
    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
-  m_Sprite: {fileID: 21300000, guid: c5442431c660fb04187df8dfe3e1818e, type: 3}
+  m_Sprite: {fileID: 21300000, guid: 1957047573239854895a9ba2a69c12c8, type: 3}
  m_Type: 0
  m_PreserveAspect: 1
  m_FillCenter: 1
@@ -1891,7 +2277,7 @@ MonoBehaviour:
      m_Calls: []
    m_TypeName: UnityEngine.UI.MaskableGraphic+CullStateChangedEvent, UnityEngine.UI,
      Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
-  m_text: Sprache
+  m_text: Update
  m_isRightToLeft: 0
  m_fontAsset: {fileID: 11400000, guid: 715b80e429c437e40867928a4e1fc975, type: 2}
  m_sharedMaterial: {fileID: 2180264, guid: 715b80e429c437e40867928a4e1fc975, type: 2}
@@ -1958,7 +2344,7 @@ MonoBehaviour:
  m_margin: {x: 0, y: 0, z: 0, w: 0}
  m_textInfo:
    textComponent: {fileID: 114993845510651576}
-    characterCount: 7
+    characterCount: 6
    spriteCount: 0
    spaceCount: 0
    wordCount: 1
@@ -1996,12 +2382,24 @@ CanvasRenderer:
  m_PrefabParentObject: {fileID: 0}
  m_PrefabInternal: {fileID: 100100000}
  m_GameObject: {fileID: 1008485180534478}
+--- !u!222 &222151895407047394
+CanvasRenderer:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1613888947816932}
 --- !u!222 &222153422494546844
 CanvasRenderer:
  m_ObjectHideFlags: 1
  m_PrefabParentObject: {fileID: 0}
  m_PrefabInternal: {fileID: 100100000}
  m_GameObject: {fileID: 1042628125586808}
+--- !u!222 &222218005056313502
+CanvasRenderer:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1733985940025502}
 --- !u!222 &222236235550470454
 CanvasRenderer:
  m_ObjectHideFlags: 1
@@ -2050,6 +2448,12 @@ CanvasRenderer:
  m_PrefabParentObject: {fileID: 0}
  m_PrefabInternal: {fileID: 100100000}
  m_GameObject: {fileID: 1368374326299624}
+--- !u!222 &222536103881524360
+CanvasRenderer:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1093947357135468}
 --- !u!222 &222547030763414376
 CanvasRenderer:
  m_ObjectHideFlags: 1
@@ -2092,6 +2496,12 @@ CanvasRenderer:
  m_PrefabParentObject: {fileID: 0}
  m_PrefabInternal: {fileID: 100100000}
  m_GameObject: {fileID: 1964565221985070}
+--- !u!222 &222736219676448006
+CanvasRenderer:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1559326554126414}
 --- !u!222 &222755655188159418
 CanvasRenderer:
  m_ObjectHideFlags: 1
@@ -2162,19 +2572,37 @@ RectTransform:
  m_GameObject: {fileID: 1368374326299624}
  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
  m_LocalPosition: {x: 0, y: 0, z: 0}
-  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_LocalScale: {x: 0.99999994, y: 0.99999994, z: 0.99999994}
  m_Children:
  - {fileID: 224261216574473414}
  - {fileID: 224128338965173062}
  - {fileID: 224480372276515010}
  m_Father: {fileID: 224844527725026830}
-  m_RootOrder: 1
+  m_RootOrder: 4
  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
  m_AnchorMin: {x: 0, y: 0}
  m_AnchorMax: {x: 0, y: 0}
  m_AnchoredPosition: {x: 0, y: 0}
  m_SizeDelta: {x: 0, y: 0}
  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!224 &224068246739610406
+RectTransform:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1733985940025502}
+  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 224898673201446374}
+  m_RootOrder: 0
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 1, y: 1}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 0, y: 0}
+  m_Pivot: {x: 0.5, y: 0.5}
 --- !u!224 &224082682870789258
 RectTransform:
  m_ObjectHideFlags: 1
@@ -2305,6 +2733,24 @@ RectTransform:
  m_AnchoredPosition: {x: 0, y: 0}
  m_SizeDelta: {x: 0, y: 0}
  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!224 &224330316150687214
+RectTransform:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1093947357135468}
+  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 0}
+  m_Children: []
+  m_Father: {fileID: 224898673201446374}
+  m_RootOrder: 2
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 0.5}
+  m_AnchorMax: {x: 0, y: 0.5}
+  m_AnchoredPosition: {x: 35, y: 0}
+  m_SizeDelta: {x: 50, y: 50}
+  m_Pivot: {x: 0.5, y: 0.5}
 --- !u!224 &224360344833465170
 RectTransform:
  m_ObjectHideFlags: 1
@@ -2323,6 +2769,24 @@ RectTransform:
  m_AnchoredPosition: {x: 0, y: 0}
  m_SizeDelta: {x: 4, y: 4}
  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!224 &224403095676770094
+RectTransform:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1559326554126414}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: -1}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children: []
+  m_Father: {fileID: 224898673201446374}
+  m_RootOrder: 1
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 1, y: 1}
+  m_AnchoredPosition: {x: 35, y: 0}
+  m_SizeDelta: {x: -70, y: 0}
+  m_Pivot: {x: 0.5, y: 0.5}
 --- !u!224 &224411256630293298
 RectTransform:
  m_ObjectHideFlags: 1
@@ -2502,9 +2966,10 @@ RectTransform:
  m_LocalScale: {x: 1, y: 1, z: 1}
  m_Children:
  - {fileID: 224696479351442688}
-  - {fileID: 224045114038880592}
+  - {fileID: 224898673201446374}
  - {fileID: 224750414370576322}
  - {fileID: 224877065014001232}
+  - {fileID: 224045114038880592}
  - {fileID: 224969683658863468}
  m_Father: {fileID: 224214707840811800}
  m_RootOrder: 2
@@ -2512,7 +2977,7 @@ RectTransform:
  m_AnchorMin: {x: 0.5, y: 0}
  m_AnchorMax: {x: 0.5, y: 0}
  m_AnchoredPosition: {x: 0, y: 300}
-  m_SizeDelta: {x: 400, y: 350}
+  m_SizeDelta: {x: 400, y: 420}
  m_Pivot: {x: 0.5, y: 0.5}
 --- !u!224 &224877065014001232
 RectTransform:
@@ -2573,6 +3038,27 @@ RectTransform:
  m_AnchoredPosition: {x: -75, y: -75}
  m_SizeDelta: {x: 100, y: 100}
  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!224 &224898673201446374
+RectTransform:
+  m_ObjectHideFlags: 1
+  m_PrefabParentObject: {fileID: 0}
+  m_PrefabInternal: {fileID: 100100000}
+  m_GameObject: {fileID: 1613888947816932}
+  m_LocalRotation: {x: -0, y: -0, z: -0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_Children:
+  - {fileID: 224068246739610406}
+  - {fileID: 224403095676770094}
+  - {fileID: 224330316150687214}
+  m_Father: {fileID: 224844527725026830}
+  m_RootOrder: 1
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0, y: 0}
+  m_AnchorMax: {x: 0, y: 0}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 0, y: 0}
+  m_Pivot: {x: 0.5, y: 0.5}
 --- !u!224 &224899198735757046
 RectTransform:
  m_ObjectHideFlags: 1
@@ -2641,7 +3127,7 @@ RectTransform:
  - {fileID: 224562788853542486}
  - {fileID: 224878574598484460}
  m_Father: {fileID: 224844527725026830}
-  m_RootOrder: 4
+  m_RootOrder: 5
  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
  m_AnchorMin: {x: 0, y: 0}
  m_AnchorMax: {x: 0, y: 0}
--- a/Assets/Resources/UI/TutorialView.prefab
+++ b/Assets/Resources/UI/TutorialView.prefab
@@ -379,7 +379,7 @@ GameObject:
  m_IsActive: 1
 --- !u!1 &1792505052625370
 GameObject:
-  m_ObjectHideFlags: 0
+  m_ObjectHideFlags: 1
  m_PrefabParentObject: {fileID: 0}
  m_PrefabInternal: {fileID: 100100000}
  serializedVersion: 5
@@ -606,6 +606,7 @@ MonoBehaviour:
  reticuleHighlight: {fileID: 114430674035238108}
  menuHighlight: {fileID: 114094662748965206}
  selectHighlight: {fileID: 114425245405885838}
+  Crosshairs: {fileID: 1991900300183792}
 --- !u!114 &114339554770605862
 MonoBehaviour:
  m_ObjectHideFlags: 1
@@ -1704,8 +1705,9 @@ RectTransform:
  - {fileID: 224257449048418606}
  - {fileID: 224385246327759096}
  - {fileID: 224882127646750572}
+  - {fileID: 224543001454646402}
  m_Father: {fileID: 224386065082169650}
-  m_RootOrder: 4
+  m_RootOrder: 3
  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
  m_AnchorMin: {x: 0, y: 0}
  m_AnchorMax: {x: 1, y: 1}
@@ -1743,7 +1745,6 @@ RectTransform:
  - {fileID: 224893231122565744}
  - {fileID: 224773095307896718}
  - {fileID: 224336834733934388}
-  - {fileID: 224543001454646402}
  - {fileID: 224374825834825260}
  m_Father: {fileID: 0}
  m_RootOrder: 0
@@ -1802,8 +1803,8 @@ RectTransform:
  - {fileID: 224020227865350692}
  - {fileID: 224770383868184822}
  - {fileID: 224845810070959288}
-  m_Father: {fileID: 224386065082169650}
-  m_RootOrder: 3
+  m_Father: {fileID: 224374825834825260}
+  m_RootOrder: 4
  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
  m_AnchorMin: {x: 1, y: 0.5}
  m_AnchorMax: {x: 1, y: 0.5}
--- a/Assets/Resources/UI/UpdaterView.prefab
+++ b/Assets/Resources/UI/UpdaterView.prefab
--- a/Assets/Resources/UI/UpdaterView.prefab.meta
+++ b/Assets/Resources/UI/UpdaterView.prefab.meta
@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: ab149fbc9d7dc3d40ac85af2e411788a
+timeCreated: 1546010792
+licenseType: Free
+NativeFormatImporter:
+  externalObjects: {}
+  mainObjectFileID: 100100000
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/Resources/colors.xml
+++ b/Assets/Resources/colors.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>      
+<colors>
+    <color name="t_color_name_light_blue">
+        <base color="#03A9F4"/>
+        <light color="#E1F5FE"/>
+        <dark color="#0277BD"/>
+        <transparency value="0.75"/>
+    </color>
+    <color name="t_color_name_light_green">
+        <base color="#8BC34A"/>
+        <light color="#F1F8E9"/>
+        <dark color="#558B2F"/>
+        <transparency value="0.75"/>
+    </color>
+    <color name="t_color_name_red">
+        <base color="#F44336"/>
+        <light color="#FFEBEE"/>
+        <dark color="#C62828"/>
+        <transparency value="0.75"/>
+    </color>
+</colors>
--- a/Assets/Resources/colors.xml.meta
+++ b/Assets/Resources/colors.xml.meta
@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 39366101fc02f3b47a0df7508aa6ef1a
+timeCreated: 1545484620
+licenseType: Free
+TextScriptImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/JsonDotNet/Documentation.meta
+++ b/Assets/JsonDotNet/Documentation.meta
@@ -1,9 +1,10 @@
 fileFormatVersion: 2
-guid: 76f828f47ce26cc43991113c6a39dbbf
+guid: 2bd6ad883b515814d9c8b932f563372d
 folderAsset: yes
-timeCreated: 1466010535
-licenseType: Store
+timeCreated: 1545490981
+licenseType: Free
 DefaultImporter:
+  externalObjects: {}
  userData: 
  assetBundleName: 
  assetBundleVariant: 
--- a/Assets/Resources/localization.xml
+++ b/Assets/Resources/localization.xml
@@ -0,0 +1,114 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<localization>
+  <language key="de" name="Deutsch" flagPath="localization/flag_de"/>
+  <language key="en" name="English" flagPath="localization/flag_uk_us" default="true"/>
+
+  <entry name="t_color_name_light_blue">
+    <text lang="de" type="inline" value="Hellblau"/>
+    <text lang="en" type="inline" value="Light Blue"/>
+  </entry>
+  <entry name="t_color_name_light_green">
+    <text lang="de" type="inline" value="Hellgrün"/>
+    <text lang="en" type="inline" value="Light Green"/>
+  </entry>
+  <entry name="t_color_name_red">
+    <text lang="de" type="inline" value="Rot"/>
+    <text lang="en" type="inline" value="Red"/>
+  </entry>
+  <entry name="t_tutorial_reticule">
+    <text lang="de" type="inline" value="Exponat anvisieren"/>
+    <text lang="en" type="inline" value="Aim at exhibit"/>
+  </entry>
+  <entry name="t_tutorial_settings">
+    <text lang="de" type="inline" value="Einstellungen öffnen"/>
+    <text lang="en" type="inline" value="Open settings"/>
+  </entry>
+  <entry name="t_tutorial_select">
+    <text lang="de" type="inline" value="Exponat auswählen"/>
+    <text lang="en" type="inline" value="Select exhibit"/>
+  </entry>
+  <entry name="t_menu_button_color">
+    <text lang="de" type="inline" value="Farbe"/>
+    <text lang="en" type="inline" value="Color"/>
+  </entry>
+  <entry name="t_menu_button_language">
+    <text lang="de" type="inline" value="Sprache"/>
+    <text lang="en" type="inline" value="Language"/>
+  </entry>
+  <entry name="t_menu_button_fontsize">
+    <text lang="de" type="inline" value="Textgröße"/>
+    <text lang="en" type="inline" value="Font size"/>
+  </entry>
+  <entry name="t_menu_button_tutorial">
+    <text lang="de" type="inline" value="Anleitung"/>
+    <text lang="en" type="inline" value="Tutorial"/>
+  </entry>
+  <entry name="t_menu_button_credits">
+    <text lang="de" type="inline" value="Credits"/>
+    <text lang="en" type="inline" value="Credits"/>
+  </entry>
+  <entry name="t_menu_button_update">
+    <text lang="de" type="inline" value="Update"/>
+    <text lang="en" type="inline" value="Update"/>
+  </entry>
+  <entry name="t_languageselect_Default">
+    <text lang="de" type="inline" value="Standard"/>
+    <text lang="en" type="inline" value="Default"/>
+  </entry>
+  <entry name="t_languageselect_Large">
+    <text lang="de" type="inline" value="Groß"/>
+    <text lang="en" type="inline" value="Large"/>
+  </entry>
+  <entry name="t_updater_header">
+    <text lang="de" type="inline" value="Updates"/>
+    <text lang="en" type="inline" value="Updates"/>
+  </entry>
+  <entry name="t_updater_updating">
+    <text lang="de" type="inline" value="Es wurden Inhaltsupdates gefunden. Bitte warten sie, bis diese heruntergeladen wurden."/>
+    <text lang="en" type="inline" value="Updates have been found. Please wait until they finished downloading."/>
+  </entry>
+  <entry name="t_updater_confirmUpdatesDialog">
+    <text lang="de" type="inline" value="Es wurden Inhaltsupdates gefunden. Hierbei handelt es sich um mehrere Megabytes an Daten. Wollen Sie diese mit mobilen Daten herunterladen?"/>
+    <text lang="en" type="inline" value="Updates have been found. This is several Megabytes of data. Do you want to download these using mobile data?"/>
+  </entry>
+  <entry name="t_updater_confirmUpdates">
+    <text lang="de" type="inline" value="Trotzdem herunterladen"/>
+    <text lang="en" type="inline" value="Download anyway"/>
+  </entry>
+  <entry name="t_updater_completed">
+    <text lang="de" type="inline" value="Updates heruntergeladen."/>
+    <text lang="en" type="inline" value="Updates downloaded."/>
+  </entry>
+  <entry name="t_updater_applyUpdates">
+    <text lang="de" type="inline" value="Updates anwenden"/>
+    <text lang="en" type="inline" value="Apply updates"/>
+  </entry>
+  <entry name="t_updater_failed">
+    <text lang="de" type="inline" value="Beim Herunterladen des Updates ist ein Fehler aufgetreten. Bitte versuchen Sie es später erneut."/>
+    <text lang="en" type="inline" value="An error occurred during the update. Please try again later."/>
+  </entry>
+  <entry name="t_updater_retry">
+    <text lang="de" type="inline" value="Erneut versuchen"/>
+    <text lang="en" type="inline" value="Try again"/>
+  </entry>
+  <entry name="t_updater_alreadyUpToDate">
+    <text lang="de" type="inline" value="Die Anwendungsinhalte sind auf dem neuesten Stand."/>
+    <text lang="en" type="inline" value="The application content is up to date."/>
+  </entry>
+  <entry name="t_updater_alreadyUpToDateOK">
+    <text lang="de" type="inline" value="OK"/>
+    <text lang="en" type="inline" value="OK"/>
+  </entry>
+  <entry name="t_updater_noInternet">
+    <text lang="de" type="inline" value="Die Anwendung verfügt aktuell über keinen Internetzugriff. Stellen Sie sicher, dass Ihr Gerät über eine Internetverbindung verfügt und starten Sie die App neu."/>
+    <text lang="en" type="inline" value="The application currently has no Internet access. Make sure your device has an internet connection and restart the app."/>
+  </entry>
+  <entry name="t_credits">
+    <text lang="de" type="file" value="localization/t_credits_de"/>
+    <text lang="en" type="file" value="localization/t_credits_en"/>
+  </entry>
+  <entry name="t_credits_version">
+    <text lang="de" type="file" value="localization/t_credits_version"/>
+    <text lang="en" type="file" value="localization/t_credits_version"/>
+  </entry>
+</localization>
--- a/Assets/Resources/localization.xml.meta
+++ b/Assets/Resources/localization.xml.meta
@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 4652cedf37d935e46a26d6f44630a456
+timeCreated: 1545484620
+licenseType: Free
+TextScriptImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/RothenburgAR/Sprites/Icons/220px-Flag_of_Germany.svg.png
+++ b/Assets/RothenburgAR/Sprites/Icons/220px-Flag_of_Germany.svg.png
--- a/Assets/RothenburgAR/Sprites/Icons/218px-Flag_of_Japan.svg.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/218px-Flag_of_Japan.svg.png.meta
@@ -1,6 +1,6 @@
 fileFormatVersion: 2
-guid: fdb1754a808f9d445872e8ccd06f961f
-timeCreated: 1497822839
+guid: 25491ea9c6e1b7244b2d9cacdd154d8f
+timeCreated: 1545490981
 licenseType: Free
 TextureImporter:
  fileIDToRecycleName: {}
@@ -31,27 +31,27 @@ TextureImporter:
  maxTextureSize: 2048
  textureSettings:
    serializedVersion: 2
-    filterMode: 1
-    aniso: 1
+    filterMode: -1
+    aniso: -1
    mipBias: -1
-    wrapU: 1
-    wrapV: 1
-    wrapW: 1
-  nPOTScale: 0
+    wrapU: -1
+    wrapV: -1
+    wrapW: -1
+  nPOTScale: 1
  lightmap: 0
  compressionQuality: 50
-  spriteMode: 1
+  spriteMode: 0
  spriteExtrude: 1
  spriteMeshType: 1
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
-  spritePixelsToUnits: 1
+  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
  spriteGenerateFallbackPhysicsShape: 1
  alphaUsage: 1
  alphaIsTransparency: 0
  spriteTessellationDetail: -1
-  textureType: 8
+  textureType: 0
  textureShape: 1
  maxTextureSizeSet: 0
  compressionQualitySet: 0
@@ -77,6 +77,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  - buildTarget: Android
    maxTextureSize: 2048
    resizeAlgorithm: 0
--- a/Assets/RothenburgAR/Sprites/Icons/218px-Flag_of_Japan.svg.png
+++ b/Assets/RothenburgAR/Sprites/Icons/218px-Flag_of_Japan.svg.png
--- a/Assets/RothenburgAR/Sprites/Icons/220px-Flag_of_Germany.svg.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/220px-Flag_of_Germany.svg.png.meta
@@ -1,6 +1,6 @@
 fileFormatVersion: 2
-guid: 35b33f8eeb1cca541b1c6fc0c236fa0a
-timeCreated: 1497822838
+guid: 2c05577f49b120f4b8ee7b9733af5ad2
+timeCreated: 1545490982
 licenseType: Free
 TextureImporter:
  fileIDToRecycleName: {}
@@ -31,27 +31,27 @@ TextureImporter:
  maxTextureSize: 2048
  textureSettings:
    serializedVersion: 2
-    filterMode: 1
-    aniso: 1
+    filterMode: -1
+    aniso: -1
    mipBias: -1
-    wrapU: 1
-    wrapV: 1
-    wrapW: 1
-  nPOTScale: 0
+    wrapU: -1
+    wrapV: -1
+    wrapW: -1
+  nPOTScale: 1
  lightmap: 0
  compressionQuality: 50
-  spriteMode: 1
+  spriteMode: 0
  spriteExtrude: 1
  spriteMeshType: 1
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
-  spritePixelsToUnits: 1
+  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
  spriteGenerateFallbackPhysicsShape: 1
  alphaUsage: 1
  alphaIsTransparency: 0
  spriteTessellationDetail: -1
-  textureType: 8
+  textureType: 0
  textureShape: 1
  maxTextureSizeSet: 0
  compressionQualitySet: 0
@@ -77,6 +77,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  - buildTarget: Android
    maxTextureSize: 2048
    resizeAlgorithm: 0
--- a/Assets/RothenburgAR/Sprites/Icons/220px-Flag_of_the_United_Kingdom_and_US.png
+++ b/Assets/RothenburgAR/Sprites/Icons/220px-Flag_of_the_United_Kingdom_and_US.png
--- a/Assets/RothenburgAR/Sprites/Icons/220px-Flag_of_the_United_Kingdom_and_US.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/220px-Flag_of_the_United_Kingdom_and_US.png.meta
@@ -1,6 +1,6 @@
 fileFormatVersion: 2
-guid: 538cea92ef30ede40a354bae3e7eaeda
-timeCreated: 1497822838
+guid: c64690fd7ce0e5c4a8061babcfa165a6
+timeCreated: 1545490982
 licenseType: Free
 TextureImporter:
  fileIDToRecycleName: {}
@@ -31,27 +31,27 @@ TextureImporter:
  maxTextureSize: 2048
  textureSettings:
    serializedVersion: 2
-    filterMode: 1
-    aniso: 1
+    filterMode: -1
+    aniso: -1
    mipBias: -1
-    wrapU: 1
-    wrapV: 1
-    wrapW: 1
-  nPOTScale: 0
+    wrapU: -1
+    wrapV: -1
+    wrapW: -1
+  nPOTScale: 1
  lightmap: 0
  compressionQuality: 50
-  spriteMode: 1
+  spriteMode: 0
  spriteExtrude: 1
  spriteMeshType: 1
  alignment: 0
  spritePivot: {x: 0.5, y: 0.5}
-  spritePixelsToUnits: 1
+  spritePixelsToUnits: 100
  spriteBorder: {x: 0, y: 0, z: 0, w: 0}
  spriteGenerateFallbackPhysicsShape: 1
  alphaUsage: 1
  alphaIsTransparency: 0
  spriteTessellationDetail: -1
-  textureType: 8
+  textureType: 0
  textureShape: 1
  maxTextureSizeSet: 0
  compressionQualitySet: 0
@@ -77,6 +77,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  - buildTarget: Android
    maxTextureSize: 2048
    resizeAlgorithm: 0
--- a/Assets/Resources/localization/t_credits_de.txt
+++ b/Assets/Resources/localization/t_credits_de.txt
@@ -0,0 +1,17 @@
+Diese Anwendung wurde als Projektarbeit im 6. Semester von Studenten der Hochschule für angewandte Wissenschaften Würzburg-Schweinfurt erstellt.
+
+Entwicklerteam:
+René Ziegler
+Matthias Kleinhenz
+Alexander Frühwald
+
+Betreuer FHWS:
+Prof. Dr. Frank Deinzer
+Toni Fetzer
+
+Besonderer Dank für die Aufnahme der 3D-Scans geht an Frank Ebner.
+
+Verantwortlicher im Auftrag des Reichstadtmuseums in Rothenburg:
+Dr. Hellmuth Möhring
+
+Die in dieser App verwendeten Icons sind Teil der Google Material Icon Library, abrufbar unter https://material.io/icons/ und sind lizenziert unter der Apache License Version 2.0.
--- a/Assets/Resources/localization/t_credits_de.txt.meta
+++ b/Assets/Resources/localization/t_credits_de.txt.meta
@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 5e33d40fce62ea349af0e5cb81a4058b
+timeCreated: 1545490982
+licenseType: Free
+TextScriptImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/Resources/localization/t_credits_en.txt
+++ b/Assets/Resources/localization/t_credits_en.txt
@@ -0,0 +1,17 @@
+This app has been created as a project by 6th semester students at the University of Applied Sciences Wurzburg-Schweinfurt.
+
+Developer Team:
+René Ziegler
+Matthias Kleinhenz
+Alexander Frühwald
+
+Project Monitoring FHWS:
+Prof. Dr. Frank Deinzer
+Toni Fetzer
+
+Special thanks for taking the 3D-Scans go to Frank Ebner.
+
+Responsible on behalf of the Reichstadtmuseum of Rothenburg:
+Dr. Hellmuth Moehring
+
+Icons used in this App are part of the Google Material Icon Library, available at https://material.io/icons/ and are licensed under the Apache License Version 2.0.
--- a/Assets/Resources/localization/t_credits_en.txt.meta
+++ b/Assets/Resources/localization/t_credits_en.txt.meta
@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: 7e87879c9f3136b4a8527b183fd599c8
+timeCreated: 1545490982
+licenseType: Free
+TextScriptImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/Resources/localization/t_credits_version.txt
+++ b/Assets/Resources/localization/t_credits_version.txt
@@ -0,0 +1 @@
+Version RC3 - 05.10.2017
--- a/Assets/Resources/localization/t_credits_version.txt.meta
+++ b/Assets/Resources/localization/t_credits_version.txt.meta
@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: fe180226794a33a4fb817bbc80b657c6
+timeCreated: 1545490982
+licenseType: Free
+TextScriptImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/RothenburgAR/Editor/Test/ExhibitionXmlPreloaderTest.cs
+++ b/Assets/RothenburgAR/Editor/Test/ExhibitionXmlPreloaderTest.cs
@@ -79,10 +79,6 @@ namespace RothenburgAR

            Assert.NotNull(testExhibit.Description);
            Assert.IsTrue(testExhibit.Title.HasValue);
-
-            Assert.AreEqual(40f, testExhibit.Title.Value.FontSize);
-            Assert.AreEqual(45f, testExhibit.Title.Value.BoxHeight);
-            Assert.AreEqual(200f, testExhibit.Title.Value.BoxWidth);
        }
    }
 }
--- a/Assets/RothenburgAR/Scripts/AppInitializerBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/AppInitializerBehaviour.cs
@@ -2,6 +2,7 @@
 using RothenburgAR.Exhibition;
 using RothenburgAR.PointOfInterest;
 using RothenburgAR.UI;
+using RothenburgAR.Updater;
 using UnityEngine;
 using Vuforia;

@@ -11,10 +12,20 @@ namespace RothenburgAR
    {
        public Camera UICamera;
        public Camera UIObjectCamera;
+        private LogFileHandler logFileHandler;

        // Use this for initialization
        void Start()
        {
+#if !UNITY_EDITOR
+            logFileHandler = new LogFileHandler();
+#else
+            Debug.Log("Found Unity Editor; Disabled logging into file.");
+#endif
+            //OBJLoader.defaultShader = Shader.Find("Standard (Specular setup)")
+            OBJLoader.defaultShader = Shader.Find("Standard");
+            OBJLoader.defaultMaterial = new Material(OBJLoader.defaultShader);
+
            LanguageManager.Instance.LoadLanguagesFromXml();
            UIColorSchemeManager.Instance.Initialize();

@@ -23,14 +34,12 @@ namespace RothenburgAR
            UIManager.Instance.Initialize();
            UIManager.Instance.UICamera = UICamera;
            UIManager.Instance.UIObjectCamera = UIObjectCamera;
-            UIManager.Instance.InitStartView();
+
+            StartCoroutine(UIManager.Instance.InitStartView());

            InputManager.Instance.Initialize();
-            var init = DisplayManager.Instance;
-
-            //OBJLoader.defaultShader = Shader.Find("Standard (Specular setup)")
-            OBJLoader.defaultShader = Shader.Find("Standard");
-            OBJLoader.defaultMaterial = new Material(OBJLoader.defaultShader);
+            var initDisplayManagerSingleton = DisplayManager.Instance;
+            var initUpdaterSingleton = UpdateManager.Instance;
        }

        void InitializeData()
@@ -54,5 +63,10 @@ namespace RothenburgAR
                              " Exhibitions of Path " + currentPaths + " of " + maxPaths + " paths.</color>");
                });
        }
+
+        private void OnDestroy()
+        {
+            VuforiaARController.Instance.UnregisterVuforiaInitializedCallback(InitializeData);
+        }
    }
 }
--- a/Assets/RothenburgAR/Scripts/Common/PathHelper.cs
+++ b/Assets/RothenburgAR/Scripts/Common/PathHelper.cs
@@ -40,6 +40,11 @@ namespace RothenburgAR.Common
            get { return Directory.Exists(ExhibitionPath); }
        }

+        public static string SettingsFilePath
+        {
+            get { return Path.Combine(DataPath, "settings.json"); }
+        }
+
        public static string GetXmlPathFromDirectoryPath(string poiDirectory)
        {
            string directoryName = new DirectoryInfo(poiDirectory).Name;
--- a/Assets/RothenburgAR/Scripts/Common/Singleton.cs
+++ b/Assets/RothenburgAR/Scripts/Common/Singleton.cs
@@ -1,4 +1,5 @@
-using UnityEngine;
+using RothenburgAR.UI;
+using UnityEngine;

 namespace RothenburgAR.Common
 {
@@ -32,7 +33,7 @@ namespace RothenburgAR.Common
                {
                    if (_instance == null)
                    {
-                        _instance = (T) FindObjectOfType(typeof(T));
+                        _instance = (T)FindObjectOfType(typeof(T));

                        if (FindObjectsOfType(typeof(T)).Length > 1)
                        {
@@ -68,6 +69,12 @@ namespace RothenburgAR.Common

        private static bool applicationIsQuitting = false;

+        public virtual void ResetInstance()
+        {
+            Destroy(_instance.gameObject);
+            _instance = null;
+        }
+
        /// <summary>
        /// When Unity quits, it destroys objects in a random order.
        /// In principle, a Singleton is only destroyed when application quits.
@@ -77,6 +84,10 @@ namespace RothenburgAR.Common
        /// So, this was made to be sure we're not creating that buggy ghost object.
        /// </summary>
        public void OnDestroy()
+        {
+        }
+
+        private void OnApplicationQuit()
        {
            applicationIsQuitting = true;
        }
--- a/Assets/RothenburgAR/Scripts/Common/TextElement.cs
+++ b/Assets/RothenburgAR/Scripts/Common/TextElement.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Xml;
+using UnityEngine;

 namespace RothenburgAR.Common
 {
@@ -76,7 +77,18 @@ namespace RothenburgAR.Common
                TextEntryType type = TextElement.GetTextEntryTypeFromString(typeStr);
                var valueStr = xmlNode.Attributes["value"].Value;
                if (type == TextEntryType.File)
-                    valueStr = Path.Combine(basePath, valueStr);
+                {
+                    var file = Resources.Load<TextAsset>(valueStr);
+                    if (file != null)
+                    {
+                        valueStr = file.text;
+                        type = TextEntryType.Inline;
+                    }
+                    else
+                    {
+                        valueStr = Path.Combine(basePath, valueStr);
+                    }
+                }
                textElement.AddTextElement(langCode, type, valueStr);
            }
            return textElement;
--- a/Assets/RothenburgAR/Scripts/Exhibition/ExhibitBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/Exhibition/ExhibitBehaviour.cs
@@ -40,13 +40,16 @@ namespace RothenburgAR.Exhibition
                TitleBehaviour.Exhibit = this;
            }

-            //TODO remove title rotation
-            if (newTitle.Rotation.HasValue)
-                TitleBehaviour.transform.localEulerAngles = newTitle.Rotation.Value + new Vector3(90, 0, 0);
+            TitleBehaviour.transform.localEulerAngles = new Vector3(90, 0, 0);

-            //TODO remove title position and calculate on the fly? if tracker is on a wall, below is best. if it sits on the ground, what?
+            //TODO remove title position property and calculate on the fly? 
+            // if tracker is on a wall, below is best. if it sits on the ground, what?
+            // leave property alive for now and set title slightly below the bottom border for now
            if (newTitle.Position.HasValue)
                TitleBehaviour.transform.localPosition = newTitle.Position.Value;
+            else
+                TitleBehaviour.transform.localPosition = new Vector3(0, .05f, -.52f);
+

            TitleBehaviour.DataText = newTitle.Text;
        }
--- a/Assets/RothenburgAR/Scripts/Exhibition/ExhibitionApiDataPreloader.cs
+++ b/Assets/RothenburgAR/Scripts/Exhibition/ExhibitionApiDataPreloader.cs
@@ -16,6 +16,8 @@ namespace RothenburgAR.Exhibition
        {
            if (!Directory.Exists(exhibitionDirectory))
                return false;
+            if (!File.Exists(Path.Combine(exhibitionDirectory, "version.txt")))
+                return false;
            if (!File.Exists(Path.Combine(exhibitionDirectory, "tracker.xml")))
                return false;
            if (!File.Exists(Path.Combine(exhibitionDirectory, "tracker.dat")))
@@ -86,21 +88,9 @@ namespace RothenburgAR.Exhibition
            }
            newExhibit.Description = exhibitDescr;

-            //TODO calculate sizes dynamically and remove these default values
-            var position = new Vector3(0, .1f, -.52f);
-            var rotation = Vector3.zero;
-            var fontSize = .7f;
-            var boxHeight = .25f;
-            var boxWidth = .75f;
-
            PreloadedExhibitTitle preTitle = new PreloadedExhibitTitle
            {
-                Text = exhibitTitle,
-                Position = position,
-                Rotation = rotation,
-                FontSize = fontSize,
-                BoxWidth = boxWidth,
-                BoxHeight = boxHeight
+                Text = exhibitTitle
            };
            newExhibit.Title = preTitle;

--- a/Assets/RothenburgAR/Scripts/Exhibition/ExhibitionXmlPreloader.cs
+++ b/Assets/RothenburgAR/Scripts/Exhibition/ExhibitionXmlPreloader.cs
@@ -93,11 +93,7 @@ namespace RothenburgAR.Exhibition
                PreloadedExhibitTitle preTitle = new PreloadedExhibitTitle
                {
                    Text = exhibitTitle,
-                    Position = GetVector3FromXmlNode(exhibitNode.SelectSingleNode("title/position")),
-                    Rotation = GetVector3FromXmlNode(exhibitNode.SelectSingleNode("title/rotation")),
-                    FontSize = fontSize ?? 20,
-                    BoxWidth = boxWidth ?? 200,
-                    BoxHeight = boxHeight ?? 25
+                    Position = GetVector3FromXmlNode(exhibitNode.SelectSingleNode("title/position"))
                };
                newExhibit.Title = preTitle;
            }
--- a/Assets/RothenburgAR/Scripts/Exhibition/PreloadedExhibition.cs
+++ b/Assets/RothenburgAR/Scripts/Exhibition/PreloadedExhibition.cs
@@ -31,11 +31,6 @@ namespace RothenburgAR.Exhibition
    public struct PreloadedExhibitTitle
    {
        public TextElement Text { get; set; }
-        public Vector3? Rotation { get; set; }
        public Vector3? Position { get; set; }
-        public Vector2? Dimensions { get; set; }
-        public float FontSize { get; set; }
-        public float BoxHeight { get; set; }
-        public float BoxWidth { get; set; }
    }
 }
--- a/Assets/RothenburgAR/Scripts/LanguageManager.cs
+++ b/Assets/RothenburgAR/Scripts/LanguageManager.cs
@@ -86,21 +86,21 @@ namespace RothenburgAR

        public void LoadLanguagesFromXml()
        {
-            var xmlFilePath = Path.Combine(PathHelper.DataPath, "localization.xml");
+            var file = Resources.Load<TextAsset>("localization");
+            Debug.Log("Loading languages from Resources");

-            Debug.Log("Loading languages from  '" + xmlFilePath + "'");
-            if (!File.Exists(xmlFilePath))
-                throw new FileNotFoundException(xmlFilePath);
+            if (file == null)
+                throw new FileNotFoundException("Localization file Assets/Resources/localization.xml not found");

            XmlDocument doc = new XmlDocument();
-            doc.Load(xmlFilePath);
+            doc.LoadXml(file.text);

            var languageNodes = doc.SelectNodes("//language");
            foreach (XmlNode languageNode in languageNodes)
            {
                var langKey = languageNode.Attributes["key"].Value;
                var langName = languageNode.Attributes["name"].Value;
-                var langFlagPath = Path.Combine(PathHelper.DataPath, languageNode.Attributes["flagPath"].Value);
+                var langFlagPath = languageNode.Attributes["flagPath"].Value;

                AddLanguage(langKey, langName, langFlagPath);

--- a/Assets/RothenburgAR/Scripts/UI/ARViewBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/UI/ARViewBehaviour.cs
@@ -8,6 +8,12 @@ namespace RothenburgAR.UI
    {
        public DetailsPanelBehaviour DetailsPanel;
        public ProjectionEffectBehaviour ProjectionEffect;
+        public GameObject Crosshairs;
+
+        public void Start()
+        {
+            Crosshairs.SetActive(InputManager.Instance.AllowCrosshairControls);
+        }

        public void DisplayPoiDetails(PoiBehaviour poi, bool animated = true)
        {
--- a/Assets/RothenburgAR/Scripts/UI/BaseViewBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/UI/BaseViewBehaviour.cs
@@ -35,5 +35,9 @@ namespace RothenburgAR.UI
        {
            UIManager.Instance.SwitchToView(ViewName.FontsizeSelectView);
        }
+        public void SwitchToUpdaterView()
+        {
+            UIManager.Instance.SwitchToView(ViewName.UpdaterView);
+        }
    }
 }
--- a/Assets/RothenburgAR/Scripts/UI/ColorSelectViewBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/UI/ColorSelectViewBehaviour.cs
@@ -2,6 +2,7 @@
 using UnityEngine;
 using UnityEngine.UI;
 using System.Collections.Generic;
+using RothenburgAR.Common;

 namespace RothenburgAR.UI
 {
@@ -11,6 +12,9 @@ namespace RothenburgAR.UI

        void Start()
        {
+            if (SettingsManager.Instance.Settings.ColorschemeID.HasValue && UIManager.Instance.StartingUp)
+                SwitchToFontsizeSelectView();
+
            CreateColorSelectionCircles();
        }

@@ -26,7 +30,11 @@ namespace RothenburgAR.UI
                selectionCircle.GetComponentInChildren<Button>().onClick.AddListener(() =>
                {
                    UIColorSchemeManager.Instance.SetUiColorScheme(id);
-                    if (UIManager.Instance.StartingUp) SwitchToTutorialView();
+
+                    SettingsManager.Instance.Settings.ColorschemeID = UIColorSchemeManager.Instance.CurrentColorSchemeID;
+                    SettingsManager.Instance.PersistSettings();
+
+                    if (UIManager.Instance.StartingUp) SwitchToFontsizeSelectView();
                    else SwitchToARView();
                });

@@ -45,20 +53,5 @@ namespace RothenburgAR.UI

            return selectionCircle;
        }
-
-        private void AddSwitchViewEventListener(GameObject selectionCircle)
-        {
-            selectionCircle.GetComponentInChildren<Button>().onClick.AddListener(() =>
-            {
-                if (UIManager.Instance.StartingUp)
-                {
-                    SwitchToTutorialView();
-                }
-                else
-                {
-                    SwitchToARView();
-                }
-            });
-        }
    }
 }
--- a/Assets/RothenburgAR/Scripts/UI/DisplayManager.cs
+++ b/Assets/RothenburgAR/Scripts/UI/DisplayManager.cs
@@ -18,7 +18,10 @@ namespace RothenburgAR.UI

        public readonly UnityEvent OnOrientationChange = new UnityEvent();
        public ScreenOrientation ScreenOrientation;
-        private Vector2 resolution; // Current Resolution
+
+        public float ScreensizeInInches { get; set; }
+
+        private Vector2 lastKnownResolution; // Current Resolution
        private ScreenOrientation orientation; // Current Screen Orientation

        static void Init()
@@ -35,12 +38,16 @@ namespace RothenburgAR.UI
            scaler.screenMatchMode = UnityEngine.UI.CanvasScaler.ScreenMatchMode.MatchWidthOrHeight;
            scaler.matchWidthOrHeight = .5f;

-            instance.resolution = new Vector2(Screen.width, Screen.height);
+            instance.lastKnownResolution = new Vector2(Screen.width, Screen.height);
            instance.orientation = Screen.orientation;

-            instance.ScreenOrientation = instance.resolution.x < instance.resolution.y
+            instance.ScreenOrientation = instance.lastKnownResolution.x < instance.lastKnownResolution.y
                    ? ScreenOrientation.Portrait
                    : ScreenOrientation.Landscape;
+
+            // Screen diagonal in logical inches
+            instance.ScreensizeInInches = Mathf.Sqrt(Mathf.Pow(Screen.height, 2) + Mathf.Pow(Screen.width, 2)) / Screen.dpi;
+            Debug.Log("Screen Diagonal is approximately " + instance.ScreensizeInInches + " inches.");
        }

        private void Start()
@@ -53,12 +60,12 @@ namespace RothenburgAR.UI

        private void OnRectTransformDimensionsChange()
        {
-            if (orientation != Screen.orientation || !(resolution.x == Screen.width && resolution.y == Screen.height))
+            if (orientation != Screen.orientation || !(lastKnownResolution.x == Screen.width && lastKnownResolution.y == Screen.height))
            {
                orientation = Screen.orientation;
-                resolution = new Vector2(Screen.width, Screen.height);
-                ScreenOrientation = resolution.x < resolution.y 
-                    ? ScreenOrientation.Portrait 
+                lastKnownResolution = new Vector2(Screen.width, Screen.height);
+                ScreenOrientation = lastKnownResolution.x < lastKnownResolution.y
+                    ? ScreenOrientation.Portrait
                    : ScreenOrientation.Landscape;

                OnOrientationChange.Invoke();
--- a/Assets/RothenburgAR/Scripts/UI/FontsizeSelectViewBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/UI/FontsizeSelectViewBehaviour.cs
@@ -1,4 +1,5 @@
-using System;
+using RothenburgAR.Common;
+using System;
 using System.IO;
 using System.Linq;
 using TMPro;
@@ -16,6 +17,9 @@ namespace RothenburgAR.UI

        public void Start()
        {
+            if (SettingsManager.Instance.Settings.Fontsize.HasValue && UIManager.Instance.StartingUp)
+                SwitchToTutorialView();
+
            CreateLanguageSelectionFlags();
        }

@@ -48,6 +52,9 @@ namespace RothenburgAR.UI
            Debug.Log("Switching Font size to '" + Enum.GetName(typeof(FontsizeSetting), setting) + "'");
            FontsizeManager.Instance.CurrentFontsizeSetting = setting;

+            SettingsManager.Instance.Settings.Fontsize = FontsizeManager.Instance.CurrentFontsizeSetting;
+            SettingsManager.Instance.PersistSettings();
+
            StateManager sm = TrackerManager.Instance.GetStateManager();
            foreach (var item in sm.GetActiveTrackableBehaviours())
            {
@@ -55,7 +62,8 @@ namespace RothenburgAR.UI
                teh.OnTrackableStateChanged(TrackableBehaviour.Status.NOT_FOUND, TrackableBehaviour.Status.TRACKED);
            }

-            SwitchToARView();
+            if (UIManager.Instance.StartingUp) SwitchToTutorialView();
+            else SwitchToARView();
        }
    }
 }
--- a/Assets/RothenburgAR/Scripts/UI/FontsizeSelector.cs
+++ b/Assets/RothenburgAR/Scripts/UI/FontsizeSelector.cs
@@ -14,10 +14,6 @@ namespace RothenburgAR.UI
            if (tmproTextUI != null)
            {
                tmproTextUI.fontSize = FontsizeManager.Instance.GetFontsize(this.SizeClass);
-
-                //tmproText.enableAutoSizing = true;
-                //tmproText.fontSizeMax = FontsizeManager.Instance.GetFontsize(this.SizeClass);
-                //tmproText.fontSizeMin = tmproText.fontSizeMax * 0.8f;
            }

            var tmproText = gameObject.GetComponent<TMPro.TextMeshPro>();
--- a/Assets/RothenburgAR/Scripts/UI/InputManager.cs
+++ b/Assets/RothenburgAR/Scripts/UI/InputManager.cs
@@ -8,9 +8,14 @@ namespace RothenburgAR.UI
 {
    internal class InputManager : Singleton<InputManager>
    {
+        public bool AllowCrosshairControls { get; private set; }
+
+        private static readonly float CrosshairControlsDisplaySizeThreshold = 7f;
+
        internal void Initialize()
        {
            Input.simulateMouseWithTouches = false;
+            AllowCrosshairControls = DisplayManager.Instance.ScreensizeInInches >= CrosshairControlsDisplaySizeThreshold;
        }

        private void Update()
@@ -26,6 +31,15 @@ namespace RothenburgAR.UI
            {
                DoRaycast(screenPoint);
            }
+
+            if (Input.GetKeyDown(KeyCode.Escape))
+            {
+                if (Application.platform == RuntimePlatform.Android)
+                {
+                    AndroidJavaObject activity = new AndroidJavaClass("com.unity3d.player.UnityPlayer").GetStatic<AndroidJavaObject>("currentActivity");
+                    activity.Call<bool>("moveTaskToBack", true);
+                }
+            }
        }

        public void DoRaycast(Vector2 screenPoint, bool denyBlockedHits = true)
--- a/Assets/RothenburgAR/Scripts/UI/LanguageSelectViewBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/UI/LanguageSelectViewBehaviour.cs
@@ -1,4 +1,5 @@
-using System;
+using RothenburgAR.Common;
+using System;
 using System.IO;
 using TMPro;
 using UnityEngine;
@@ -15,6 +16,9 @@ namespace RothenburgAR.UI

        public void Start()
        {
+            if (SettingsManager.Instance.Settings.Language != null && UIManager.Instance.StartingUp)
+                SwitchToColorSelectView();
+
            CreateLanguageSelectionFlags();
        }

@@ -32,13 +36,10 @@ namespace RothenburgAR.UI
        {
            var newFlag = GameObject.Instantiate(FlagPrefab, FlagContainer.transform);
            newFlag.SetActive(true);
-            
-            if (File.Exists(language.FlagImagePath))
-            {
-                var bytes = File.ReadAllBytes(language.FlagImagePath);
-                Texture2D texture = new Texture2D(4, 4, TextureFormat.RGBA32, false);
-                texture.LoadImage(bytes);

+            var texture = Resources.Load<Texture2D>(language.FlagImagePath);
+            if (texture != null)
+            {
                var image = newFlag.GetComponentInChildren<Image>();
                image.sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), new Vector2(0.5f, 0.5f));
                image.preserveAspect = true;
@@ -54,6 +55,9 @@ namespace RothenburgAR.UI
            Debug.Log("Switching Language to  '" + languageCode + "'");
            LanguageManager.Instance.CurrentLanguageKey = languageCode;

+            SettingsManager.Instance.Settings.Language = LanguageManager.Instance.CurrentLanguageKey;
+            SettingsManager.Instance.PersistSettings();
+
            StateManager sm = TrackerManager.Instance.GetStateManager();
            foreach (var item in sm.GetActiveTrackableBehaviours())
            {
@@ -61,14 +65,8 @@ namespace RothenburgAR.UI
                teh.OnTrackableStateChanged(TrackableBehaviour.Status.NOT_FOUND, TrackableBehaviour.Status.TRACKED);
            }

-            if (UIManager.Instance.StartingUp)
-            {
-                SwitchToColorSelectView();
-            }
-            else
-            {
-                SwitchToARView();
-            }
+            if (UIManager.Instance.StartingUp) SwitchToColorSelectView();
+            else SwitchToARView();
        }
    }
 }
--- a/Assets/RothenburgAR/Scripts/UI/LocalizationSelector.cs
+++ b/Assets/RothenburgAR/Scripts/UI/LocalizationSelector.cs
@@ -0,0 +1,26 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace RothenburgAR.UI
+{
+    public class LocalizationSelector : MonoBehaviour
+    {
+        public string LocalizationToken;
+
+        void OnEnable()
+        {
+            var tmproTextUI = gameObject.GetComponent<TMPro.TextMeshProUGUI>();
+            if (tmproTextUI != null)
+            {
+                tmproTextUI.text = LanguageManager.Instance.GetString(this.LocalizationToken);
+            }
+
+            var tmproText = gameObject.GetComponent<TMPro.TextMeshPro>();
+            if (tmproText != null)
+            {
+                tmproText.text = LanguageManager.Instance.GetString(this.LocalizationToken);
+            }
+        }
+    }
+}
--- a/Assets/RothenburgAR/Scripts/UI/LocalizationSelector.cs.meta
+++ b/Assets/RothenburgAR/Scripts/UI/LocalizationSelector.cs.meta
@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 104796bd5a7a2434bb835da75350ba3f
+timeCreated: 1546026587
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/RothenburgAR/Scripts/UI/SettingsManager.cs
+++ b/Assets/RothenburgAR/Scripts/UI/SettingsManager.cs
@@ -0,0 +1,55 @@
+using System.IO;
+using Newtonsoft.Json;
+using RothenburgAR.Common;
+
+namespace RothenburgAR.UI
+{
+    class SettingsManager : Singleton<SettingsManager>
+    {
+        public bool? IsInitialized { get; private set; }
+
+        public class AppSettings
+        {
+            public string Language { get; set; }
+            public FontsizeSetting? Fontsize { get; set; }
+            public int? ColorschemeID { get; set; }
+        }
+
+        public AppSettings Settings { get; private set; }
+
+        public void Start()
+        {
+            if (File.Exists(PathHelper.SettingsFilePath))
+            {
+                //load settings file into settings object if existent
+                var json = File.ReadAllText(PathHelper.SettingsFilePath);
+                Settings = JsonConvert.DeserializeObject<AppSettings>(json);
+
+                IsInitialized = true;
+
+                if (Settings.Language != null)
+                    LanguageManager.Instance.CurrentLanguageKey = Settings.Language;
+
+                if (Settings.ColorschemeID.HasValue)
+                    UIColorSchemeManager.Instance.SetUiColorScheme(Settings.ColorschemeID.Value);
+
+                if (Settings.Fontsize.HasValue)
+                    FontsizeManager.Instance.CurrentFontsizeSetting = Settings.Fontsize.Value;
+
+                if (Settings.Language == null || !Settings.ColorschemeID.HasValue || !Settings.Fontsize.HasValue)
+                    IsInitialized = false;
+            }
+            else
+            {
+                Settings = new AppSettings();
+                IsInitialized = false;
+            }
+        }
+
+        public void PersistSettings()
+        {
+            var json = JsonConvert.SerializeObject(Settings);
+            File.WriteAllText(PathHelper.SettingsFilePath, json);
+        }
+    }
+}
--- a/Assets/RothenburgAR/Scripts/UI/SettingsManager.cs.meta
+++ b/Assets/RothenburgAR/Scripts/UI/SettingsManager.cs.meta
@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: d50764101604fa14d92f7523c16bdabc
+timeCreated: 1546388554
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/RothenburgAR/Scripts/UI/SettingsViewBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/UI/SettingsViewBehaviour.cs
@@ -6,24 +6,7 @@ using UnityEngine;

 namespace RothenburgAR.UI
 {
-    [Serializable]
-    public struct MenuEntry
-    {
-        public string Token;
-        public TextMeshProUGUI TextMesh;
-    }
-
    public class SettingsViewBehaviour : BaseViewBehaviour
    {
-        [SerializeField]
-        private List<MenuEntry> MenuEntries;
-
-        public void OnEnable()
-        {
-            foreach (MenuEntry entry in MenuEntries)
-            {
-                entry.TextMesh.SetText(LanguageManager.Instance.GetString(entry.Token));
-            }
-        }
    }
 }
--- a/Assets/RothenburgAR/Scripts/UI/TutorialViewBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/UI/TutorialViewBehaviour.cs
@@ -1,4 +1,5 @@
-using UnityEngine;
+using RothenburgAR.Common;
+using UnityEngine;

 namespace RothenburgAR.UI
 {
@@ -7,20 +8,23 @@ namespace RothenburgAR.UI
        public TutorialHighlightBehaviour reticuleHighlight;
        public TutorialHighlightBehaviour menuHighlight;
        public TutorialHighlightBehaviour selectHighlight;
+        public GameObject Crosshairs;

        void OnEnable()
        {
            reticuleHighlight.SetText(LanguageManager.Instance.GetString("t_tutorial_reticule"));
            menuHighlight.SetText(LanguageManager.Instance.GetString("t_tutorial_settings"));
            selectHighlight.SetText(LanguageManager.Instance.GetString("t_tutorial_select"));
+
+            Crosshairs.SetActive(InputManager.Instance.AllowCrosshairControls);
        }

        void Update()
        {
-            if (Input.GetMouseButtonDown(0) == true ||
-                (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Ended))
+            if (Input.GetMouseButtonDown(0) == true || (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Ended))
            {
-                UIManager.Instance.SwitchToView(ViewName.ARView);
+                if (UIManager.Instance.StartingUp) SwitchToUpdaterView();
+                else UIManager.Instance.SwitchToView(ViewName.ARView);
            }
        }

--- a/Assets/RothenburgAR/Scripts/UI/UIColorSchemeManager.cs
+++ b/Assets/RothenburgAR/Scripts/UI/UIColorSchemeManager.cs
@@ -27,6 +27,8 @@ namespace RothenburgAR.UI
        private Dictionary<UIMaterial, Material> _uiMaterials;
        public List<UIColorScheme> AvailableUIColorSchemes { get; private set; }

+        public int CurrentColorSchemeID = 0;
+
        internal void Initialize()
        {
            AvailableUIColorSchemes = new List<UIColorScheme>();
@@ -46,6 +48,7 @@ namespace RothenburgAR.UI
            else
            {
                scheme = AvailableUIColorSchemes[uiColorSchemeId];
+                CurrentColorSchemeID = uiColorSchemeId;
            }

            _uiMaterials[UIMaterial.BaseOpaque].color = scheme.BaseColorOpaque;
@@ -95,13 +98,13 @@ namespace RothenburgAR.UI

        private void InitializeUIColorSchemes()
        {
-            var xmlFilePath = Path.Combine(PathHelper.DataPath, "colors.xml");
-            Debug.Log("Loading colors from '" + xmlFilePath + "'");
+            var file = Resources.Load<TextAsset>("colors");
+            Debug.Log("Loading colors from Resources..");

-            if (!File.Exists(xmlFilePath))
+            if (file == null)
            {
                // Set default colors, if not able to load
-                Debug.Log("File " + xmlFilePath + " does not exist - use default colors");
+                Debug.LogWarning("colors.xml does not exist in Resources folder - use default colors");
                AvailableUIColorSchemes = new List<UIColorScheme>
                {
                    new UIColorScheme("t_color_name_light_blue", "#03A9F4", "#E1F5FE", "#0277BD", 0.75f),
@@ -112,7 +115,7 @@ namespace RothenburgAR.UI
            }

            XmlDocument doc = new XmlDocument();
-            doc.Load(xmlFilePath);
+            doc.LoadXml(file.text);

            var colorNodes = doc.SelectNodes("//color");
            if (colorNodes == null) return;
--- a/Assets/RothenburgAR/Scripts/UI/UIManager.cs
+++ b/Assets/RothenburgAR/Scripts/UI/UIManager.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections;
 using System.Collections.Generic;
 using RothenburgAR.Common;
 using UnityEngine;
@@ -14,7 +15,8 @@ namespace RothenburgAR.UI
        LanguageSelectView,
        ColorSelectView,
        FontsizeSelectView,
-        FullscreenModelView
+        FullscreenModelView,
+        UpdaterView
    }

    public class UIManager : Singleton<UIManager>
@@ -25,7 +27,7 @@ namespace RothenburgAR.UI

        public Boolean IsARViewVisible
        {
-            get { return _currentView.ViewName == ViewName.ARView; }
+            get { return _currentView != null && _currentView.ViewName == ViewName.ARView; }
        }

        public ARViewBehaviour ARViewBehaviour
@@ -62,7 +64,6 @@ namespace RothenburgAR.UI
        public UIManager()
        {
            _availableViews = new Dictionary<ViewName, View>();
-            StartingUp = true;
        }

        internal void Initialize()
@@ -123,12 +124,28 @@ namespace RothenburgAR.UI
                    ViewName = ViewName.FullscreenModelView,
                    PrefabName = "UI/FullscreenModelView"
                });
+
+            _availableViews.Add(ViewName.UpdaterView,
+                new View()
+                {
+                    ViewName = ViewName.UpdaterView,
+                    PrefabName = "UI/UpdaterView"
+                });
        }

-        public void InitStartView()
+        public IEnumerator InitStartView()
        {
-            SwitchToView(ViewName.LanguageSelectView);
-            StartingUp = true;
+            yield return new WaitUntil(() => SettingsManager.Instance.IsInitialized.HasValue);
+            if (SettingsManager.Instance.IsInitialized.Value == true)
+            {
+                StartingUp = false;
+                SwitchToView(ViewName.ARView);
+            }
+            else
+            {
+                StartingUp = true;
+                SwitchToView(ViewName.LanguageSelectView);
+            }
        }

        public GameObject SwitchToView(ViewName nextViewName)
@@ -142,7 +159,7 @@ namespace RothenburgAR.UI
            View nextView;
            if (!_availableViews.TryGetValue(nextViewName, out nextView))
            {
-                Debug.Log("Tried to switch to view '" + nextViewName + "', but it failed.");
+                Debug.Log("Tried to switch to view '" + nextViewName + "', but it was not found.");
                return null;
            }

@@ -156,7 +173,6 @@ namespace RothenburgAR.UI
                Debug.Log("Switching to view '" + nextViewName + "'");
            }

-
            if (_currentView != null && _currentView.OnExit != null)
            {
                _currentView.OnExit();
--- a/Assets/RothenburgAR/Scripts/UI/UpdaterViewBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/UI/UpdaterViewBehaviour.cs
@@ -0,0 +1,117 @@
+using RothenburgAR.Exhibition;
+using RothenburgAR.PointOfInterest;
+using RothenburgAR.Updater;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+namespace RothenburgAR.UI
+{
+    public class UpdaterViewBehaviour : BaseViewBehaviour
+    {
+        public UnityEngine.UI.Slider ProgressBar;
+        public GameObject UpdateProgressDialog;
+        public GameObject UpdateConfirmationDialog;
+        public GameObject UpdateCompletedDialog;
+        public GameObject UpdateFailedDialog;
+        public GameObject AlreadyUpToDateDialog;
+        public GameObject NoInternetDialog;
+
+        public GameObject ButtonBack;
+
+        private bool allowAbort = true;
+
+        private UpdateState lastUpdateState = UpdateState.UpdatesFound;
+
+        private void Start()
+        {
+            UpdateProgressDialog.SetActive(true);
+            UpdateConfirmationDialog.SetActive(false);
+            UpdateCompletedDialog.SetActive(false);
+            UpdateFailedDialog.SetActive(false);
+            ProgressBar.value = 0;
+            ProgressBar.maxValue = 1;
+
+            if (UIManager.Instance.StartingUp)
+            {
+                allowAbort = false;
+                ButtonBack.SetActive(false);
+            }
+
+            UIManager.Instance.StartingUp = false;
+        }
+
+        private void Update()
+        {
+            ProgressBar.value = UpdateManager.Instance.CurrentProgress;
+            ProgressBar.maxValue = UpdateManager.Instance.MaxProgress;
+
+            var state = UpdateManager.Instance.UpdateState;
+            if (state == lastUpdateState) return;
+            lastUpdateState = state;
+
+            UpdateProgressDialog.SetActive(false);
+            UpdateConfirmationDialog.SetActive(false);
+            UpdateCompletedDialog.SetActive(false);
+            UpdateFailedDialog.SetActive(false);
+
+            switch (state)
+            {
+                case UpdateState.ConfirmationPending:
+                    UpdateConfirmationDialog.SetActive(true);
+                    break;
+
+                case UpdateState.UpdatesFound:
+                case UpdateState.Downloading:
+                    UpdateProgressDialog.SetActive(true);
+                    break;
+
+                case UpdateState.Completed:
+                    UpdateCompletedDialog.SetActive(true);
+                    break;
+
+                case UpdateState.Failed:
+                    UpdateFailedDialog.SetActive(true);
+                    break;
+
+                case UpdateState.NoInternet:
+                    NoInternetDialog.SetActive(true);
+                    break;
+
+                case UpdateState.UpToDate:
+                    AlreadyUpToDateDialog.SetActive(true);
+                    break;
+            }
+        }
+
+        public void TriggerUpdate()
+        {
+            UpdateManager.Instance.TriggerUpdate();
+        }
+
+        public void ExitView()
+        {
+            UIManager.Instance.SwitchToView(ViewName.ARView);
+        }
+
+        public void ApplyUpdates()
+        {
+            //DisplayManager.ResetInstance(); // Not necessary
+
+            LanguageManager.Instance.ResetInstance();
+            InputManager.Instance.ResetInstance();
+
+            UIManager.Instance.ResetInstance();
+            UpdateManager.Instance.ResetInstance();
+            SettingsManager.Instance.ResetInstance();
+
+            PoiDataManager.Instance.ResetInstance();
+            ExhibitionManager.Instance.ResetInstance();
+
+            UIColorSchemeManager.Instance.ResetInstance();
+            FontsizeManager.Instance.ResetInstance();
+
+            SceneManager.LoadScene("mainScene");
+        }
+    }
+}
--- a/Assets/RothenburgAR/Scripts/UI/UpdaterViewBehaviour.cs.meta
+++ b/Assets/RothenburgAR/Scripts/UI/UpdaterViewBehaviour.cs.meta
@@ -0,0 +1,13 @@
+fileFormatVersion: 2
+guid: 49d9434809cb84c44ae021b275939980
+timeCreated: 1546011854
+licenseType: Free
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
--- a/Assets/RothenburgAR/Scripts/Updater/HttpHandler.cs
+++ b/Assets/RothenburgAR/Scripts/Updater/HttpHandler.cs
@@ -65,11 +65,14 @@ namespace RothenburgAR.Updater
        public UnityWebRequest Request { get; set; }
        public UnityWebRequestAsyncOperation Operation { get; set; }

+        private bool isDone = false;
+        public bool IsError { get; set; }
+
        public bool IsDone
        {
            get
            {
-                return Operation.isDone && Request.isDone;
+                return Operation.isDone && Request.isDone && this.isDone;
            }
        }

@@ -79,6 +82,16 @@ namespace RothenburgAR.Updater
            this.Download = download;
            this.Request = request;
            this.Operation = operation;
+
+            this.Operation.completed += (_) =>
+            {
+                this.isDone = true;
+                this.IsError =
+                    request.isNetworkError
+                    || request.isHttpError
+                    // Error when answer is empty except when it's a 300 error code
+                    || (!(request.responseCode >= 300 && request.responseCode < 400) && download.data.Length == 0);
+            };
        }
    }

--- a/Assets/RothenburgAR/Scripts/Updater/UpdateManager.cs
+++ b/Assets/RothenburgAR/Scripts/Updater/UpdateManager.cs
@@ -0,0 +1,466 @@
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using UnityEngine;
+using System;
+using Newtonsoft.Json;
+using RothenburgAR.Common;
+using System.IO;
+using System.Security.Cryptography;
+using System.Text.RegularExpressions;
+using RothenburgAR.UI;
+
+namespace RothenburgAR.Updater
+{
+    public enum UpdateState
+    {
+        UpToDate,
+        UpdatesFound,
+        ConfirmationPending,
+        Downloading,
+        Completed,
+        Failed,
+        NoInternet
+    }
+
+    public class UpdateManager : Singleton<UpdateManager>
+    {
+        public UpdateState UpdateState { get; private set; }
+
+        public int CurrentProgress { get; private set; }
+        public int MaxProgress { get; private set; }
+
+        private readonly int retriesUntilFailure = 4;
+        private readonly string trackerMainFile = "tracker.dat";
+
+        public ApiVersioncheckAnswer VersionAnswer { get; set; }
+
+        Dictionary<string, List<ApiExhibit>> ExhibitMetas = new Dictionary<string, List<ApiExhibit>>();
+
+        void Start()
+        {
+            if (Application.internetReachability == NetworkReachability.NotReachable)
+            {
+                // just continue to app
+                UpdatesCompleted();
+                UpdateState = UpdateState.NoInternet;
+                return;
+            }
+
+            CheckForUpdates();
+        }
+
+        private void CheckForUpdates()
+        {
+            // check for updates and ask for permission to download if there are any
+            string versionMap = GenerateVersionMap();
+            CheckForUpdates(versionMap, 0);
+        }
+
+        private void CheckForUpdates(string versionMap, int retries)
+        {
+            HttpHandler http = new HttpRequest(ApiInfo.VersionCheckEndpoint, HttpVerb.POST, versionMap).Send();
+            http.Operation.completed += ar =>
+            {
+                Debug.Log("VersionAnswer: " + http.Download.text);
+                var answer = JsonConvert.DeserializeObject<ApiVersioncheckAnswer>(http.Download.text);
+                if (http.IsError)
+                {
+                    if (retries < retriesUntilFailure)
+                    {
+                        CheckForUpdates(versionMap, retries + 1);
+                        return;
+                    }
+                    else
+                    {
+                        UpdateFailed(http);
+                        return;
+                    }
+                }
+
+                Debug.Log(string.Format("{1}-DONE with {0}", ApiInfo.VersionCheckEndpoint, Time.realtimeSinceStartup));
+                VersionAnswer = answer;
+
+                if (VersionAnswer.Data.TrueForAll(d => d.Meta.Status == VersionStatus.ok && d.Tracker.Status == VersionStatus.ok))
+                {
+                    UpdateState = UpdateState.UpToDate;
+                    StartCoroutine(CheckFiles());
+                    return;
+                }
+
+                UpdateState = UpdateState.UpdatesFound;
+
+                if (Application.internetReachability == NetworkReachability.ReachableViaLocalAreaNetwork)
+                {
+                    TriggerUpdate();
+                }
+                else
+                {
+                    UpdateState = UpdateState.ConfirmationPending;
+
+                    if (!UIManager.Instance.StartingUp)
+                        UIManager.Instance.SwitchToView(ViewName.UpdaterView);
+                }
+            };
+        }
+
+        private string GenerateVersionMap()
+        {
+            string result = "{ ";
+
+            var rootDir = new DirectoryInfo(PathHelper.ExhibitionPath);
+            if (!rootDir.Exists)
+            {
+                rootDir.Create();
+            }
+
+            var exhibitionDirs = rootDir.GetDirectories().ToList();
+
+            foreach (var dir in exhibitionDirs)
+            {
+                var versionFilePath = Path.Combine(dir.FullName, "version.txt");
+                if (!File.Exists(versionFilePath)) continue;
+
+                var version = long.Parse(File.ReadAllText(versionFilePath));
+                result += @"""{id}"":""{version}"",".Replace("{id}", dir.Name).Replace("{version}", version.ToString());
+            };
+
+            result = result.Substring(0, result.Length - 1) + "}";
+            return result;
+        }
+
+        public void TriggerUpdate()
+        {
+            /*
+             * dir structure:
+             *     data
+             *         exhibition
+             *             id
+             *                 tracker.dat
+             *                 tracker.xml
+             *                 de
+             *                     meta.json
+             *                 en
+             *                     meta.json
+             *             id
+             *                 ...
+             *         media
+             *             ...
+             */
+
+            UpdateState = UpdateState.Downloading;
+
+            if (VersionAnswer == null)
+            {
+                // try to get VersionAnswer first if that's what failed
+                CheckForUpdates();
+                return;
+            }
+
+            //TODO write languages to file the app can read (so that the languagemanager can decide which languages the user can choose from)
+
+            var updatedExhibitions = VersionAnswer.Data.Where(d => d.Meta.Status == VersionStatus.updated).ToList();
+            var updatedTracker = VersionAnswer.Data.Where(d => d.Tracker.Status == VersionStatus.updated).ToList();
+            updatedExhibitions.Union(updatedTracker).Distinct().ToList().ForEach(updatedExhibition =>
+            {
+                // create exhibition directories
+                var path = Path.Combine(PathHelper.ExhibitionPath, updatedExhibition.Id);
+                if (!Directory.Exists(path))
+                {
+                    Directory.CreateDirectory(path);
+                }
+            });
+
+            updatedExhibitions.ForEach(d => UpdateExhibition(d, updatedExhibitions));
+            StartCoroutine(UpdateExhibitionsCoroutine(updatedExhibitions));
+        }
+
+        private IEnumerator UpdateExhibitionsCoroutine(List<ApiExhibitionVersion> updatedExhibitions)
+        {
+            yield return new WaitUntil(() => updatedExhibitions.Count == 0);
+            StartCoroutine(CheckFiles());
+        }
+
+        private void UpdateExhibition(ApiExhibitionVersion exhibition, List<ApiExhibitionVersion> updatedExhibitions)
+        {
+            var exhibitionDownloads = new List<HttpHandler>();
+
+            foreach (var lang in VersionAnswer.Languages)
+            {
+                var path = PathHelper.CombinePaths(PathHelper.ExhibitionPath, exhibition.Id, lang);
+                if (!Directory.Exists(path))
+                {
+                    Directory.CreateDirectory(path);
+                }
+
+                UpdateMetaFile(exhibition, path, lang, exhibitionDownloads);
+            }
+
+            var versionPath = PathHelper.CombinePaths(PathHelper.ExhibitionPath, exhibition.Id, "version.txt");
+            var version = exhibition.Meta.UpdateVersion.ToString();
+            StartCoroutine(UpdateVersionFileCoroutine(exhibitionDownloads, versionPath, version, exhibition, updatedExhibitions));
+        }
+
+        private IEnumerator UpdateVersionFileCoroutine(List<HttpHandler> exhibitionDownloads, string versionPath, string version, ApiExhibitionVersion exhibition, List<ApiExhibitionVersion> updatedExhibitions)
+        {
+            // updates version file only if all sub files were downloaded successfully
+            yield return new WaitUntil(() => exhibitionDownloads.All(h => h.IsDone));
+            if (exhibitionDownloads.Any(http => http.IsError)) yield break;
+
+            File.WriteAllText(versionPath, version);
+            updatedExhibitions.Remove(exhibition);
+        }
+
+        private void UpdateMetaFile(ApiExhibitionVersion exhibition, string path, string lang, List<HttpHandler> exhibitionDownloads, int retries = 0)
+        {
+            var url = exhibition.Meta.UpdateUrl.Replace("{lang}", lang);
+            var http = new HttpRequest(url, HttpVerb.GET).Send();
+            exhibitionDownloads.Add(http);
+
+            http.Operation.completed += ar =>
+            {
+                if (http.IsError)
+                {
+                    if (retries < retriesUntilFailure)
+                    {
+                        exhibitionDownloads.Remove(http);
+                        UpdateMetaFile(exhibition, path, lang, exhibitionDownloads, retries + 1);
+                        return;
+                    }
+                    else
+                    {
+                        UpdateFailed(http);
+                        return;
+                    }
+                }
+
+                File.WriteAllText(Path.Combine(path, "meta.json"), http.Download.text, System.Text.Encoding.UTF8);
+                Debug.Log(string.Format("{1}-DONE with {0}", url, Time.realtimeSinceStartup));
+
+                var exhibits = JsonConvert.DeserializeObject<List<ApiExhibit>>(http.Download.text);
+                if (exhibits == null)
+                {
+                    Debug.LogError(string.Format("Exhibit could not be parsed from Json:\nurl: {0}\njson: {1}", url, http.Download.text));
+                    http.IsError = true;
+                    UpdateFailed(http);
+                }
+            };
+        }
+
+        private IEnumerator CheckFiles()
+        {
+            var usedFileList = new Dictionary<string, FileDownloadInfo>();
+            GenerateUsedFileList(usedFileList);
+
+            MaxProgress = usedFileList.Count;
+            foreach (var file in usedFileList)
+            {
+                var fileInfo = file.Value;
+                Dictionary<string, byte[]> data = new Dictionary<string, byte[]>();
+                yield return DownloadFile(fileInfo, data);
+
+                foreach (var item in data)
+                {
+                    if (!Directory.Exists(fileInfo.directory)) Directory.CreateDirectory(fileInfo.directory);
+                    File.WriteAllBytes(item.Key, item.Value);
+                }
+            }
+
+            var deletedData = VersionAnswer.Data.Where(d =>
+                d.Meta.Status == VersionStatus.deleted
+                || d.Tracker.Status == VersionStatus.deleted).ToList();
+            deletedData.ForEach(d => DeleteExhibition(d));
+
+            CleanupMediaFiles();
+            UpdatesCompleted();
+        }
+
+        private void GenerateUsedFileList(Dictionary<string, FileDownloadInfo> downloadList)
+        {
+            ExhibitMetas.Clear();
+            var rootDir = new DirectoryInfo(PathHelper.ExhibitionPath);
+            var exhibitionDirs = rootDir.GetDirectories().ToList();
+
+            foreach (var dir in exhibitionDirs)
+            {
+                var versionFilePath = Path.Combine(dir.FullName, "version.txt");
+                if (!File.Exists(versionFilePath)) continue;
+
+                var exhibitionId = dir.Name;
+                foreach (var lang in VersionAnswer.Languages)
+                {
+                    var metaFilePath = PathHelper.CombinePaths(PathHelper.ExhibitionPath, exhibitionId, lang, "meta.json");
+                    var metaFile = File.ReadAllText(metaFilePath);
+                    var exhibits = JsonConvert.DeserializeObject<List<ApiExhibit>>(metaFile);
+                    ExhibitMetas.Add(exhibitionId + "/" + lang, exhibits);
+                }
+            }
+
+            // would check for   || d.Tracker.Status == VersionStatus.ok   as well but we don't get an updateUrl for those so it's no use
+            var updatedTracker = VersionAnswer.Data.Where(d => d.Tracker.Status == VersionStatus.updated).ToList();
+            foreach (var exhibition in updatedTracker)
+            {
+                var url = exhibition.Tracker.UpdateUrl;
+                var directory = PathHelper.CombinePaths(PathHelper.ExhibitionPath, exhibition.Id);
+                var filepath = PathHelper.CombinePaths(directory, trackerMainFile);
+
+                downloadList.Add(url, new FileDownloadInfo(url, filepath, directory));
+            }
+
+            var mediaList = ExhibitMetas.Values.ToList().SelectMany(m => m.SelectMany(i => i.Pois.Select(p => p.MediaId))).Where(m => m != null).Distinct().ToList();
+            foreach (var mediaId in mediaList)
+            {
+                var url = ApiInfo.FileEndpoint.Replace("{id}", mediaId);
+                var directory = PathHelper.CombinePaths(PathHelper.MediaPath, mediaId);
+                var filepath = PathHelper.CombinePaths(directory, mediaId + ".obj");
+
+                downloadList.Add(url, new FileDownloadInfo(url, filepath, directory));
+            }
+        }
+
+        private class FileDownloadInfo
+        {
+            public string url;
+            public string filepath;
+            public string directory;
+
+            public FileDownloadInfo(string url, string filepath, string directory)
+            {
+                this.url = url;
+                this.filepath = filepath;
+                this.directory = directory;
+            }
+        }
+
+        private IEnumerator DownloadFile(FileDownloadInfo info, Dictionary<string, byte[]> data)
+        {
+            if (!Directory.Exists(info.directory)) Directory.CreateDirectory(info.directory);
+
+            var eTag = GenerateETag(info.filepath);
+            yield return DownloadFile(info, eTag, data);
+        }
+
+        private IEnumerator DownloadFile(FileDownloadInfo info, string eTag, Dictionary<string, byte[]> data, int retries = 0)
+        {
+            var url = info.url;
+            var http = new HttpRequest(url, HttpVerb.GET)
+                .WithHeader("If-None-Match", eTag)
+                .WithHeader("Accept-Encoding", "gzip,deflate")
+                .Send();
+
+            yield return new WaitUntil(() => http.IsDone);
+
+            if (http.IsError)
+            {
+                if (retries < retriesUntilFailure)
+                {
+                    yield return DownloadFile(info, eTag, data, retries + 1);
+                }
+                else
+                {
+                    UpdateFailed(http);
+                    yield return null;
+                }
+            }
+
+            if (http.Request.responseCode != 304)
+            {
+                if (!data.ContainsKey(info.filepath))
+                {
+                    // gzipped files are un-gzipped automagically
+                    data.Add(info.filepath, http.Download.data);
+                }
+            }
+
+            var subfilesHeader = http.Request.GetResponseHeader("subfiles");
+            var test = http.Request.GetResponseHeaders();
+            if (subfilesHeader != null)
+            {
+                var subfiles = subfilesHeader.Split(new string[1] { ";;" }, StringSplitOptions.RemoveEmptyEntries).ToList();
+
+                MaxProgress += subfiles.Count(subfileName => !data.Keys.Contains(Path.Combine(info.directory, subfileName)));
+
+                foreach (var subfileName in subfiles)
+                {
+                    var subfileInfo = new FileDownloadInfo(
+                        info.url + "/" + subfileName,
+                        Path.Combine(info.directory, subfileName),
+                        info.directory);
+
+                    var subfileETag = GenerateETag(info.filepath);
+                    //                                              HACK to prevent infinite subfile loop
+                    if (!data.ContainsKey(subfileInfo.filepath) && subfileName != "brick.png")
+                    {
+                        yield return DownloadFile(subfileInfo, subfileETag, data);
+                    }
+                }
+            }
+
+            Debug.Log(string.Format("{1}-DONE with {0}", url, Time.realtimeSinceStartup));
+            CurrentProgress += 1;
+        }
+
+        private string GenerateETag(string filepath)
+        {
+            string eTag = "";
+            if (File.Exists(filepath))
+            {
+                var bytes = File.ReadAllBytes(filepath);
+                SHA256Managed hasher = new SHA256Managed();
+                byte[] hash = hasher.ComputeHash(bytes);
+                eTag = "sha256-";
+                foreach (byte x in hash)
+                {
+                    eTag += String.Format("{0:x2}", x);
+                }
+            }
+            return eTag;
+        }
+
+        private void DeleteExhibition(ApiExhibitionVersion exhibition)
+        {
+            var path = Path.Combine(PathHelper.ExhibitionPath, exhibition.Id);
+            Directory.Delete(path, true);
+        }
+
+        private void CleanupMediaFiles()
+        {
+            var requiredMedia = ExhibitMetas.Values.ToList().SelectMany(m => m.SelectMany(i => i.Pois.Select(p => p.MediaId))).Where(m => m != null).Distinct().ToList();
+
+            var mediaDir = new DirectoryInfo(PathHelper.MediaPath);
+            var mediaDirs = mediaDir.GetDirectories().ToList();
+            foreach (var dir in mediaDirs)
+            {
+                //                                    HACK to preserve passion media files
+                if (!requiredMedia.Contains(dir.Name) && Regex.IsMatch(dir.Name, "[0-9]"))
+                {
+                    Directory.Delete(dir.FullName, true);
+                }
+            }
+        }
+
+        private void UpdateFailed(HttpHandler http)
+        {
+            Debug.LogError(String.Format("Error while downloading\nurl: {0}\nNetwork Error: {1}\nHttp Error: {2}\nHttp Response Code: {3}",
+                    http.Request.url,
+                    http.Request.isNetworkError,
+                    http.Request.isHttpError,
+                    http.Request.responseCode));
+
+            UpdateState = UpdateState.Failed;
+
+            if (!UIManager.Instance.StartingUp)
+                UIManager.Instance.SwitchToView(ViewName.UpdaterView);
+        }
+        
+        public void UpdatesCompleted()
+        {
+            if (UpdateState == UpdateState.UpToDate) return;
+
+            UpdateState = UpdateState.Completed;
+
+            if (!UIManager.Instance.StartingUp)
+                UIManager.Instance.SwitchToView(ViewName.UpdaterView);
+        }
+    }
+}
--- a/Assets/RothenburgAR/Scripts/Updater/UpdaterBehaviour.cs.meta
+++ b/Assets/RothenburgAR/Scripts/Updater/UpdaterBehaviour.cs.meta
--- a/Assets/RothenburgAR/Scripts/Updater/UpdaterBehaviour.cs
+++ b/Assets/RothenburgAR/Scripts/Updater/UpdaterBehaviour.cs
@@ -1,435 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-using System.Linq;
-using UnityEngine;
-using System;
-using Newtonsoft.Json;
-using RothenburgAR.Common;
-using System.IO;
-using System.IO.Compression;
-using System.Security.Cryptography;
-
-namespace RothenburgAR.Updater
-{
-    public class UpdaterBehaviour : MonoBehaviour
-    {
-        public UnityEngine.UI.Slider ProgressBar;
-        public GameObject UpdateDialog;
-        public GameObject UpdateConfirmationDialog;
-        public GameObject UpdateCompletedDialog;
-        public GameObject UpdateFailedDialog;
-
-        private readonly float afterDownloadWaitTime = 10f;
-
-        public ApiVersioncheckAnswer VersionAnswer { get; set; }
-        private List<HttpHandler> httpHandlers = new List<HttpHandler>();
-        private LogFileHandler logFileHandler;
-
-        private readonly List<string> downloadingMedia = new List<string>();
-
-        void Start()
-        {
-#if !UNITY_EDITOR
-            logFileHandler = new LogFileHandler();
-#else
-            Debug.Log("Found Unity Editor; Disabled logging into file.");
-#endif
-            InitUI();
-
-            if (Application.internetReachability == NetworkReachability.NotReachable)
-            {
-                // just continue to app
-                LoadMainScene();
-                return;
-            }
-
-            CheckForUpdates();
-        }
-
-        private void InitUI()
-        {
-            FindObjectsOfType<Camera>().First().enabled = true;
-            UpdateDialog.SetActive(false);
-            UpdateConfirmationDialog.SetActive(false);
-            UpdateCompletedDialog.SetActive(false);
-            UpdateFailedDialog.SetActive(false);
-            ProgressBar.value = 0;
-        }
-
-        private void CheckForUpdates()
-        {
-            // check for updates and ask for permission to download if there are any
-            string versionMap = GenerateVersionMap();
-            HttpHandler http = new HttpRequest(ApiInfo.VersionCheckEndpoint, HttpVerb.POST, versionMap).Send();
-            httpHandlers.Add(http);
-
-            http.Operation.completed += ar =>
-            {
-                if (CheckNetworkErrors(http))
-                {
-                    return;
-                }
-
-                Debug.Log(http.Download.text);
-
-                VersionAnswer = JsonConvert.DeserializeObject<ApiVersioncheckAnswer>(http.Download.text);
-                Debug.Log(string.Format("{1}-DONE with {0}", ApiInfo.VersionCheckEndpoint, Time.realtimeSinceStartup));
-
-                var answer = VersionAnswer;
-
-                if (VersionAnswer.Data.TrueForAll(d => d.Meta.Status == VersionStatus.ok && d.Tracker.Status == VersionStatus.ok))
-                {
-                    // no updates required, continue to app
-                    LoadMainScene();
-                    return;
-                }
-
-                UpdateDialog.SetActive(true);
-
-                if (Application.internetReachability == NetworkReachability.ReachableViaLocalAreaNetwork)
-                {
-                    TriggerUpdate();
-                }
-                else
-                {
-                    UpdateConfirmationDialog.SetActive(true);
-                }
-            };
-        }
-
-        private string GenerateVersionMap()
-        {
-            string result = "{ ";
-
-            var rootDir = new DirectoryInfo(PathHelper.ExhibitionPath);
-            if (!rootDir.Exists)
-            {
-                rootDir.Create();
-            }
-
-            var exhibitionDirs = rootDir.GetDirectories().ToList();
-
-            foreach (var dir in exhibitionDirs)
-            {
-                var versionFilePath = Path.Combine(dir.FullName, "version.txt");
-                if (!File.Exists(versionFilePath)) continue;
-
-                var version = long.Parse(File.ReadAllText(versionFilePath));
-                result += @"""{id}"":""{version}"",".Replace("{id}", dir.Name).Replace("{version}", version.ToString());
-            };
-
-            result = result.Substring(0, result.Length - 1) + "}";
-            return result;
-        }
-
-        public void TriggerUpdate()
-        {
-            /*
-             * dir structure:
-             *     data
-             *         exhibition
-             *             id
-             *                 tracker.dat
-             *                 tracker.xml
-             *                 de
-             *                     meta.json
-             *                 en
-             *                     meta.json
-             *             id
-             *                 ...
-             *         media
-             *             ...
-             */
-
-            UpdateConfirmationDialog.SetActive(false);
-            UpdateFailedDialog.SetActive(false);
-            this.downloadingMedia.Clear();
-
-            if (VersionAnswer == null)
-            {
-                // try to get VersionAnswer first if that's what failed
-                CheckForUpdates();
-                return;
-            }
-
-            //TODO write languages to file the app can read (so that the languagemanager can decide which languages the user can choose from)
-
-            var updatedMeta = VersionAnswer.Data.Where(d => d.Meta.Status == VersionStatus.updated).ToList();
-            var updatedTracker = VersionAnswer.Data.Where(d => d.Tracker.Status == VersionStatus.updated).ToList();
-            updatedMeta.Union(updatedTracker).ToList().ForEach(updatedExhibition =>
-            {
-                // create exhibition directories
-                var path = Path.Combine(PathHelper.ExhibitionPath, updatedExhibition.Id);
-                if (!Directory.Exists(path))
-                {
-                    Directory.CreateDirectory(path);
-                }
-            });
-
-            updatedMeta.ForEach(d => UpdateMeta(d));
-            updatedTracker.ForEach(d => UpdateTracker(d));
-
-            var deletedData = VersionAnswer.Data.Where(d =>
-                d.Meta.Status == VersionStatus.deleted
-                || d.Tracker.Status == VersionStatus.deleted).ToList();
-            deletedData.ForEach(d => DeleteExhibition(d));
-        }
-
-        private void DeleteExhibition(ApiExhibitionVersion exhibition)
-        {
-            //TODO delete media as well if not used elsewhere?
-            var path = Path.Combine(PathHelper.ExhibitionPath, exhibition.Id);
-            Directory.Delete(path, true);
-        }
-
-        private void UpdateMeta(ApiExhibitionVersion exhibition)
-        {
-            var currentHandlers = new List<HttpHandler>();
-
-            foreach (var lang in VersionAnswer.Languages)
-            {
-                var path = PathHelper.CombinePaths(PathHelper.ExhibitionPath, exhibition.Id, lang);
-                var url = exhibition.Meta.UpdateUrl.Replace("{lang}", lang);
-                var http = new HttpRequest(url, HttpVerb.GET).Send();
-                httpHandlers.Add(http);
-                currentHandlers.Add(http);
-
-                http.Operation.completed += ar =>
-                {
-                    if (CheckNetworkErrors(http))
-                    {
-                        return;
-                    }
-
-                    if (!Directory.Exists(path))
-                    {
-                        Directory.CreateDirectory(path);
-                    }
-
-                    File.WriteAllText(Path.Combine(path, "meta.json"), http.Download.text, System.Text.Encoding.UTF8);
-                    Debug.Log(string.Format("{1}-DONE with {0}", url, Time.realtimeSinceStartup));
-
-                    var exhibits = JsonConvert.DeserializeObject<List<ApiExhibit>>(http.Download.text);
-                    foreach (var exhibit in exhibits)
-                    {
-                        UpdateMedia(exhibit);
-                    }
-                };
-            }
-
-            var versionPath = PathHelper.CombinePaths(PathHelper.ExhibitionPath, exhibition.Id, "version.txt");
-            var version = exhibition.Meta.UpdateVersion.ToString();
-            StartCoroutine(UpdateVersionFileCoroutine(currentHandlers, versionPath, version));
-        }
-
-        private IEnumerator UpdateVersionFileCoroutine(List<HttpHandler> currentHandlers, string versionPath, string version)
-        {
-            // updates version file only if all sub files were downloaded successfully
-            yield return new WaitUntil(() => httpHandlers.All(h => h.IsDone));
-            if (httpHandlers.Any(http => http.Request.isNetworkError || http.Request.isHttpError)) yield break;
-
-            File.WriteAllText(versionPath, version);
-        }
-
-        private void UpdateMedia(ApiExhibit exhibit)
-        {
-            var mediaIDs = exhibit.Pois.Select(p => p.MediaId).Except(new List<string> { null }).ToList();
-
-            foreach (var mediaId in mediaIDs)
-            {
-                if (downloadingMedia.Contains(mediaId)) continue;
-                downloadingMedia.Add(mediaId);
-
-                var path = PathHelper.CombinePaths(PathHelper.MediaPath, mediaId);
-                var filepath = Path.Combine(path, mediaId + ".med");
-
-                // create dir if nonexistent
-                if (!Directory.Exists(path)) Directory.CreateDirectory(path);
-
-                //System.Security.Cryptography.SHA1CryptoServiceProvider
-                //System.Security.Cryptography.SHA256
-                var eTag = GenerateETag(filepath);
-
-                var url = ApiInfo.FileEndpoint.Replace("{id}", mediaId);
-                var http = new HttpRequest(url, HttpVerb.GET)
-                    .WithHeader("If-None-Match", eTag)
-                    .Send();
-
-                httpHandlers.Add(http);
-
-                http.Operation.completed += ar =>
-                {
-                    if (CheckNetworkErrors(http))
-                    {
-                        return;
-                    }
-
-                    // do nothing if unchanged
-                    if (http.Request.responseCode == 304) return;
-
-                    // gzipped files are un-gzipped automagically
-                    File.WriteAllBytes(filepath, http.Download.data);
-
-                    var subfilesHeader = http.Request.GetResponseHeader("subfiles");
-                    if (subfilesHeader != null)
-                    {
-                        string[] separator = new string[1] { ";;" };
-                        var subfiles = subfilesHeader.Split(separator, StringSplitOptions.RemoveEmptyEntries);
-                        foreach (var subfile in subfiles)
-                        {
-                            UpdateSubfile(path, mediaId, subfile);
-                        }
-                    }
-
-                    Debug.Log(string.Format("{1}-DONE with {0}", url, Time.realtimeSinceStartup));
-                };
-            }
-        }
-
-        private string GenerateETag(string filepath)
-        {
-            string eTag = "";
-            if (File.Exists(filepath))
-            {
-                var bytes = File.ReadAllBytes(filepath);
-                SHA256Managed hasher = new SHA256Managed();
-                byte[] hash = hasher.ComputeHash(bytes);
-                eTag = "sha256-";
-                foreach (byte x in hash)
-                {
-                    eTag += String.Format("{0:x2}", x);
-                }
-            }
-            return eTag;
-        }
-
-        private void UpdateSubfile(string path, string mediaId, string subfile)
-        {
-            var filepath = Path.Combine(path, subfile);
-            var eTag = GenerateETag(filepath);
-
-            var url = ApiInfo.FileEndpoint.Replace("{id}", mediaId) + "/" + subfile;
-            var http = new HttpRequest(url, HttpVerb.GET)
-                .WithHeader("If-None-Match", eTag)
-                .Send();
-
-            httpHandlers.Add(http);
-
-            http.Operation.completed += ar =>
-            {
-                if (CheckNetworkErrors(http))
-                {
-                    return;
-                }
-
-                // do nothing if unchanged
-                if (http.Request.responseCode == 304) return;
-
-                // gzipped files are un-gzipped automagically
-                File.WriteAllBytes(filepath, http.Download.data);
-
-                Debug.Log(string.Format("{1}-DONE with {0}", url, Time.realtimeSinceStartup));
-            };
-        }
-
-        private bool CheckNetworkErrors(HttpHandler http)
-        {
-            if (http.Request.isNetworkError || http.Request.isHttpError)
-            {
-                Debug.LogError(String.Format("Error while downloading\nurl: {0}\nNetwork Error: {1}\nHttp Error: {2}\nHttp Response Code: {3}",
-                    http.Request.url,
-                    http.Request.isNetworkError,
-                    http.Request.isHttpError,
-                    http.Request.responseCode));
-
-                UpdateDialog.SetActive(true);
-                UpdateFailedDialog.SetActive(true);
-
-                //TODO decide on level of detail for user notification 
-                //var all = UpdateFailedDialog.GetComponentsInChildren<TextMeshProUGUI>().ToList();
-                //var errorText = all.First(c => c.name == "ErrorText");
-                //errorText.text = string.Format("Fehlercode: {0}", http.Request.responseCode.ToString());
-
-                return true;
-            }
-            return false;
-        }
-
-        private void UpdateTracker(ApiExhibitionVersion exhibition)
-        {
-            //TODO test UpdateTracker
-            var path = PathHelper.CombinePaths(PathHelper.ExhibitionPath, exhibition.Id);
-            var url = exhibition.Tracker.UpdateUrl;
-            var http = new HttpRequest(url, HttpVerb.GET).Send();
-            httpHandlers.Add(http);
-
-            http.Operation.completed += ar =>
-            {
-                if (CheckNetworkErrors(http))
-                {
-                    return;
-                }
-
-                if (!Directory.Exists(path))
-                {
-                    Directory.CreateDirectory(path);
-                }
-
-                //TODO unzip, should be tracker.xml and tracker.dat files
-                var type = http.Request.GetResponseHeader("Content-Type");
-                File.WriteAllBytes(Path.Combine(path, "tracker.zip"), http.Download.data);
-                Debug.Log(string.Format("{1}-DONE with {0}", url, Time.realtimeSinceStartup));
-            };
-        }
-
-        public void LoadMainScene()
-        {
-            Debug.Log("Loading mainScene");
-            UnityEngine.SceneManagement.SceneManager.LoadScene("mainScene");
-        }
-
-        private DateTime downloadEndedTime = DateTime.Now.AddYears(1);
-
-        void Update()
-        {
-            // Update the download progress bar
-            if (httpHandlers.Count > 0)
-            {
-                float downloadProgress = 0f;
-                httpHandlers.ForEach(h =>
-                {
-                    downloadProgress += h.Operation.progress;
-                });
-
-                downloadProgress /= httpHandlers.Count;
-
-                // operation.progress is bugged and goes all over the place:
-                //      jumps from 0 to 1 and back despite not being done 
-                //      steadily increases from 0,5 to 0,99 and resets to 0,5 multiple times (5-15x) during a single download
-
-                // update progress bar and ignore all negative changes
-                ProgressBar.value = ProgressBar.value < downloadProgress ? downloadProgress : ProgressBar.value;
-            }
-
-            // Continue to Main Scene after all downloads are done and this.afterDownloadWaitTime seconds have passed without any new downloads triggering.
-            if (httpHandlers.All(h => h.IsDone) && !UpdateFailedDialog.activeInHierarchy)
-            {
-                if (downloadEndedTime > DateTime.Now)
-                {
-                    Debug.Log("Done Updating");
-                    UpdateCompletedDialog.SetActive(true);
-                    downloadEndedTime = DateTime.Now;
-                }
-                if (downloadEndedTime.AddSeconds(afterDownloadWaitTime) < DateTime.Now)
-                {
-                    LoadMainScene();
-                }
-            }
-            else
-            {
-                UpdateCompletedDialog.SetActive(false);
-                downloadEndedTime = DateTime.Now.AddYears(1);
-            }
-        }
-    }
-}
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-3d_rotation-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-3d_rotation-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-close-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-close-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-format_size-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-format_size-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-help-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-help-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-info-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-info-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-language-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-language-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-palette-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-palette-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-refresh-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-refresh-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-settings-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-settings-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/RothenburgAR/Sprites/Icons/baseline-visibility-512px.png.meta
+++ b/Assets/RothenburgAR/Sprites/Icons/baseline-visibility-512px.png.meta
@@ -87,6 +87,16 @@ TextureImporter:
    allowsAlphaSplitting: 0
    overridden: 0
    androidETC2FallbackOverride: 0
+  - buildTarget: iPhone
+    maxTextureSize: 2048
+    resizeAlgorithm: 0
+    textureFormat: -1
+    textureCompression: 1
+    compressionQuality: 50
+    crunchedCompression: 0
+    allowsAlphaSplitting: 0
+    overridden: 0
+    androidETC2FallbackOverride: 0
  spriteSheet:
    serializedVersion: 2
    sprites: []
--- a/Assets/mainScene.unity
+++ b/Assets/mainScene.unity
@@ -23,7 +23,7 @@ RenderSettings:
  m_AmbientSkyColor: {r: 0.212, g: 0.227, b: 0.259, a: 1}
  m_AmbientEquatorColor: {r: 0.114, g: 0.125, b: 0.133, a: 1}
  m_AmbientGroundColor: {r: 0.047, g: 0.043, b: 0.035, a: 1}
-  m_AmbientIntensity: 1
+  m_AmbientIntensity: 0
  m_AmbientMode: 0
  m_SubtractiveShadowColor: {r: 0.42, g: 0.478, b: 0.627, a: 1}
  m_SkyboxMaterial: {fileID: 10304, guid: 0000000000000000f000000000000000, type: 0}
@@ -51,8 +51,8 @@ LightmapSettings:
    m_AlbedoBoost: 1
    m_TemporalCoherenceThreshold: 1
    m_EnvironmentLightingMode: 0
-    m_EnableBakedLightmaps: 1
-    m_EnableRealtimeLightmaps: 1
+    m_EnableBakedLightmaps: 0
+    m_EnableRealtimeLightmaps: 0
  m_LightmapEditorSettings:
    serializedVersion: 9
    m_Resolution: 2
--- a/ProjectSettings/EditorBuildSettings.asset
+++ b/ProjectSettings/EditorBuildSettings.asset
@@ -5,9 +5,6 @@ EditorBuildSettings:
  m_ObjectHideFlags: 0
  serializedVersion: 2
  m_Scenes:
-  - enabled: 1
-    path: Assets/updaterScene.unity
-    guid: 974eb12c09ab8804392cefb59d4a0de8
  - enabled: 1
    path: Assets/mainScene.unity
    guid: 26344e586197d424bb80c37c69080abb
--- a/ProjectSettings/GraphicsSettings.asset
+++ b/ProjectSettings/GraphicsSettings.asset
@@ -39,6 +39,7 @@ GraphicsSettings:
  - {fileID: 4800000, guid: 3a1c68c8292caf046bd21158886c5e40, type: 3}
  - {fileID: 207, guid: 0000000000000000f000000000000000, type: 0}
  - {fileID: 17000, guid: 0000000000000000f000000000000000, type: 0}
+  - {fileID: 16002, guid: 0000000000000000f000000000000000, type: 0}
  m_PreloadedShaders: []
  m_SpritesDefaultMaterial: {fileID: 10754, guid: 0000000000000000f000000000000000,
    type: 0}
--- a/ProjectSettings/ProjectSettings.asset
+++ b/ProjectSettings/ProjectSettings.asset
@@ -168,9 +168,9 @@ PlayerSettings:
  AndroidPreferredInstallLocation: 1
  aotOptions: 
  stripEngineCode: 1
-  iPhoneStrippingLevel: 0
+  iPhoneStrippingLevel: 1
  iPhoneScriptCallOptimization: 0
-  ForceInternetPermission: 0
+  ForceInternetPermission: 1
  ForceSDCardPermission: 1
  CreateWallpaper: 0
  APKExpansionFiles: 0
@@ -248,7 +248,7 @@ PlayerSettings:
  AndroidKeystoreName: 
  AndroidKeyaliasName: 
  AndroidTVCompatibility: 0
-  AndroidIsGame: 1
+  AndroidIsGame: 0
  AndroidEnableTango: 0
  androidEnableBanner: 1
  androidUseLowAccuracyLocation: 0
--- a/RothenburgAR.apk
+++ b/RothenburgAR.apk