added the files

sensors/BLESensor.h

@@ -0,0 +1,12 @@
+#ifndef BLESENSOR_H
+#define BLESENSOR_H
+
+#include "Sensor.h"
+#include <Indoor/sensors/beacon/Beacon.h>
+#include <Indoor/sensors/beacon/BeaconMeasurements.h>
+
+class BLESensor : public Sensor<BeaconMeasurement> {
+
+};
+
+#endif // BLESENSOR_H

sensors/android/BLESensorAndroid.h

@@ -0,0 +1,82 @@
+#ifndef BLESENSORANDROID_H
+#define BLESENSORANDROID_H
+
+
+#ifdef ANDROID
+
+#include <QAndroidJniObject>
+
+#include "../../misc/Debug.h"
+#include "../BLESensor.h"
+#include <../misc/fixc11.h>
+
+#include <Indoor/misc/Debug.h>
+
+class BLESensorAndroid : public BLESensor {
+
+private:
+
+    /** hidden ctor. use singleton! */
+    BLESensorAndroid() {;}
+
+    bool started = false;
+
+public:
+
+    /** singleton access */
+    static BLESensorAndroid& get() {
+        static BLESensorAndroid beacon;
+        return beacon;
+    }
+
+    void start() override {
+
+        // do NOT start twice!
+        if (started) {return;}
+        started = true;
+
+        // start scanning
+        int res = QAndroidJniObject::callStaticMethod<int>("indoor/java/BLE", "start", "()I");
+        if (res != 1337) {throw Exception("error while starting BLE");}
+
+    }
+
+    void stop() override {
+        throw "todo";
+    }
+
+    bool isRunning() const override {
+        return started;
+    }
+
+    /**
+     * called from WiFi.java
+     * handle the given incoming scan result
+     * just a bit curious, thus std::string instead of std::string&
+    */
+    void handle(const std::string data) {
+
+        // tag all scan-entries with the current app runtime
+        const Timestamp curTS = Timestamp::fromRunningTime();
+
+        // parse each mac->rssi entry
+        const std::string bssid = data.substr(0,17);
+        const int8_t rssi = data[17];
+        const int8_t pad1 = data[18];
+        const int8_t pad2 = data[19];
+        if (pad1 != 0 || pad2 != 0) {Debug::error("padding error within BLE scan result");}
+
+        Log::add("BLE", bssid + "; " + std::to_string(static_cast<int>(rssi)));
+
+        // call listeners
+        informListeners(BeaconMeasurement(curTS, Beacon(bssid), rssi));
+    }
+
+};
+
+
+
+
+#endif
+
+#endif // BLESENSORANDROID_H