安卓2048的初始化界面

public class MainActivity extends ActionBarActivity
{
	private TextView tvScore;
	private static MainActivity mainActivity = null;
	private int score = 0;

	public MainActivity()
	{
		mainActivity = this;
	}

	@Override
	protected void onCreate(Bundle savedInstanceState)
	{

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);
		getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
		View GameView = (View) findViewById(R.id.GameView);
		tvScore = (TextView) findViewById(R.id.tvSorce);
		showScore();
	}
	
	@Override
	public boolean onCreateOptionsMenu(Menu menu)
	{
		// Inflate the menu; this adds items to the action bar if it is present.
		getMenuInflater().inflate(R.menu.main, menu);
		return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item)
	{
		// Handle action bar item clicks here. The action bar will
		// automatically handle clicks on the Home/Up button, so long
		// as you specify a parent activity in AndroidManifest.xml.
		int id = item.getItemId();
		if (id == R.id.action_settings)
		{
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

	public static MainActivity getMainActivity()
	{
		return mainActivity;
	}

	public void clearScore()
	{
		// TODO Auto-generated method stub
		score = 0;
		showScore();
	}

	public void showScore()
	{
		// TODO Auto-generated method stub
		tvScore.setText("" + score);
	}

	public void addScore(int s)
	{
		// TODO Auto-generated method stub
		score += s;
		showScore();
	}
}