闪屏的制作

public class SplashActivity extends Activity {     private static final long DELAY = 3000;     private boolean scheduled = false;     private Timer splashTimer;     @Override     protected void onCreate(Bundle savedInstanceState)     {         super.onCreate(savedInstanceState);         setContentView(R.layout.splash);         splashTimer = new Timer();         splashTimer.schedule(new TimerTask()         {             @Override             public void run()             {                 SplashActivity.this.finish();                 startActivity(new Intent(SplashActivity.this, MainActivity.class));             }          }, DELAY);        scheduled = true;     }     @Override     protected void onDestroy()     {         super.onDestroy();         if (scheduled)             splashTimer.cancel();         splashTimer.purge();     } }