[安卓]Android 设置窗口全屏

package wzhnsc.test.style;
import android.app.Activity;
import android.os.Bundle;
import android.view.Window;
import android.view.WindowManager;
public class fullscreen extends Activity {
  
   @Override
   public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
      
       //不显示程序的标题栏
       requestWindowFeature( Window.FEATURE_NO_TITLE );
      
       //不显示系统的标题栏          
        getWindow().setFlags( WindowManager.LayoutParams.FLAG_FULLSCREEN,
                             WindowManager.LayoutParams.FLAG_FULLSCREEN );
      
       setContentView( R.layout.main );
   }
}