android中动态实现全屏和动态退出全屏方法

**
* 动态设置全屏
*/
private void setFullScreen(){
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);
}

/**
* 动态取消全屏
*/
private void quitFullScreen(){
final WindowManager.LayoutParams attrs = getWindow().getAttributes();
attrs.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
getWindow().setAttributes(attrs);
getWindow().clearFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
}