public class MainActivity extends Activity {
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         //隐去标题栏（应用程序的名字）
          this.requestWindowFeature(Window.FEATURE_NO_TITLE);
         //隐去状态栏部分（电池等图标和一起修饰部分）
          this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULL_SCREEN, WindowManager.LayoutParams.FLAG_FULL_SCREEN);
         setContentView(new MyView(this));
     }
 }