FHWS/SensorReadout
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added wifi support for 2.4ghz, very big hack

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This commit is contained in:
toni
2017-10-10 16:04:00 +02:00
parent dad881e2b0
commit 53dc3f5fed
8 changed files with 27 additions and 20 deletions
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3
app/src/main/AndroidManifest.xml
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@@ -3,9 +3,6 @@
package="de.fhws.indoor.sensorreadout">>
<uses-feature android:name="android.hardware.type.watch" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.BLUETOOTH" />

4
app/src/main/java/de/fhws/indoor/sensorreadout/MainActivity.java
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@@ -11,7 +11,7 @@ import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.pm.ActivityInfoCompat;
import android.support.wearable.activity.WearableActivity;
//import android.support.wearable.activity.WearableActivity;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
@@ -35,7 +35,7 @@ import de.fhws.indoor.sensorreadout.sensors.mySensor;
import de.fhws.indoor.sensorreadout.sensors.SensorType;
public class MainActivity extends WearableActivity {
public class MainActivity extends Activity {
private final ArrayList<mySensor> sensors = new ArrayList<mySensor>();
private final Logger logger = new Logger(this);

21
app/src/main/java/de/fhws/indoor/sensorreadout/sensors/WiFi.java
View File

@@ -10,6 +10,7 @@ import android.net.wifi.WifiManager;
import android.os.Debug;
import android.util.Log;
import java.lang.reflect.Method;
import java.util.List;
@@ -29,9 +30,8 @@ public class WiFi extends mySensor {
this.wifi = (WifiManager) act.getSystemService(Context.WIFI_SERVICE);
isReceiverRegistered = true;
this.wifi.setWifiEnabled(false);
this.wifi.setWifiEnabled(true);
//this.wifi.setWifiEnabled(false);
//this.wifi.setWifiEnabled(true);
if (wifi == null) {
throw new MyException("WIFI not supported!");
@@ -82,6 +82,21 @@ public class WiFi extends mySensor {
isReceiverRegistered = true;
wifi.createWifiLock(wifi.WIFI_MODE_SCAN_ONLY, "ipin");
//wifi.disconnect();
//this is a very nice hack. do not try this at home.
Method m = null;
try {
m = this.wifi.getClass().getDeclaredMethod("setFrequencyBand", int.class, boolean.class);
m.setAccessible(true);
m.invoke(this.wifi, 2, true);
m.invoke(this.wifi, 2, true);
m.invoke(this.wifi, 2, true);
Log.d("ok", "ok");
} catch (Exception e) {
e.printStackTrace();
}
startScan();
}