Code the Activity

This class is just like the one we have been coding for virtually the entire book. Take a look at the code and then add this class to your project.

import android.app.Activity;
import android.graphics.Point;
import android.os.Bundle;
import android.view.Display;

public class GameActivity extends Activity {

    GameEngine mGameEngine;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Display display = getWindowManager()
                .getDefaultDisplay();
        
        Point size = new Point();
        display.getSize(size);
        mGameEngine = new GameEngine(this, size);
        setContentView(mGameEngine);
    }

    @Override
    protected void onResume() {
        super.onResume();
        mGameEngine.startThread();
    }

    @Override
    protected void onPause() {
        super.onPause();
        mGameEngine.stopThread();
    }
}

Everything is very familiar except you can see that I...