【Android】设置全屏和横屏

1 requestWindowFeature(Window.FEATURE_NO_TITLE);//隐藏标题
2         getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
3                 WindowManager.LayoutParams.FLAG_FULLSCREEN);//设置全屏

1 android:launchMode="singleTask" android:screenOrientation="portrait"

@Override protected void onResume() { 

if(getRequestedOrientation()!=ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE){ 
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); 
} 
super.onResume(); 
}