Beginning Android Tablet Games Programming

Using Sensor Data

To incorporate sensor data into the logic of a game and its updates, you need to pass the data into the game’s View class. First add this to the MainActivity class:

GameView mGameView;

You must also add the code shown in Listing 3-19 to the onCreate() method:

Listing 3-19. GameView Instance

mGameView = new GameView(this); setContentView(mGameView);

You now have a GameView instance from which you can call various methods. Next, in GameView, you need to add a new function to which you pass your orientation data to. Listing 3-20 shows the call to add within onSensorChanged().

Listing 3-20. Sending Sensor Data

@Override public void onSensorChanged(SensorEvent event) { if(event.sensor.getType() == Sensor.TYPE_ACCELEROMETER){ ...