设置全屏显示以及横屏等属性

public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);

/* 设置为无标题栏 */
requestWindowFeature(Window.FEATURE_NO_TITLE); 

/* 设置为全屏模式 */ 
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); 

/* 设置为横屏 */
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 


setContentView(R.layout.main);
}