Android, Thread, Cannot Unregister SensorEventListener

I seem to be having the same problem as this gentleman: SensorEventListener doesn't get unregistered with unregisterListener() method public void onCreate(Bundle bundle) {

Solution 1:

maybe a long shot but the only thing I can see different from examples that have worked and yours ( without seeing additional code ) would be to implement the SensorEventListener and pass this into the register and unregister events instead of your custom SensorEventListener.

see this stackoverflow of someone trying it your way by using the new operator to instantiate the listener and the answer that seemed to work for him.

How to convert a program that uses SensorListener to SensorEventListener

public class MySensorActivity extends Activity implements SensorEventListener {


public void onCreate(Bundle bundle) {
        super.onCreate(bundle);
        ...
        loopThread();
}

  private void loopThread() {
        boolean found = kill;
        System.out.println("Looping until Found!");
        locationThread = new Thread(){
                private float myacc;

                @Override
                @Override
                public void run() {

                        while (found == false && !kill){
                                System.out.println("Another Loop!");
                                getMyLoc();
                                found = isFound(mylat,mylng,target_lat,target_lng,radius);
                                try {
                                        synchronized(locationThread){
                                                locationThread.wait(100);
                                        }

                                } catch (InterruptedException e) {
                                        // TODO Auto-generated catch block
                                        e.printStackTrace();
                                }
                        }
                        mSensorManager.unregisterListener(this, mAccelerometer);
                        mSensorManager.unregisterListener(this, mGravitometer);
                        mSensorManager.unregisterListener(this);
                        locationThread.interrupt();
                }
}

@Override
public void onPause(){
        super.onPause();
        mSensorManager.unregisterListener(this, mAccelerometer);
        mSensorManager.unregisterListener(this, mGravitometer);
        locationThread.interrupt();
}
@Override
public void onResume(){
        super.onResume();
        registerSensors();
        mSensorManager.registerListener(this, mAccelerometer,     SensorManager.SENSOR_DELAY_NORMAL);
        mSensorManager.registerListener(this, mGravitometer, SensorManager.SENSOR_DELAY_NORMAL);
        if (true)
                loopThread();
}

private void registerSensors() {
        mSensorManager =     (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);
        List<Sensor> mySensors = mSensorManager.getSensorList(Sensor.TYPE_ORIENTATION);
        if(mySensors.size() > 0){
                mAccelerometer =     mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
                mGravitometer =     mSensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);

                mSensorManager.registerListener(this, mAccelerometer, SensorManager.SENSOR_DELAY_NORMAL);
                mSensorManager.registerListener(this, mGravitometer, SensorManager.SENSOR_DELAY_NORMAL);
                Toast.makeText(context, "Getting your location...", Toast.LENGTH_LONG).show();
        }
        else{
                Toast.makeText(context, "No ORIENTATION Sensor", Toast.LENGTH_LONG).show();
        }
}


 public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
                Intent i = new Intent(this, MFLMain.class);
                if (locationThread != null)
                        if(locationThread.isAlive()){

                mSensorManager.unregisterListener(this, mAccelerometer);
                mSensorManager.unregisterListener(this, mGravitometer);
                mSensorManager.unregisterListener(this);
                locationThread.interrupt();
                        }
                locator.stopListener();
                kill = true;
                System.out.println("Kill the app "+kill);
                finish();
                startActivity(i);
                return false;
        }
        return super.onKeyDown(keyCode, event);
}