requestWindowFeature(Window.FEATURE_NO_TITLE);//设置是否显示title
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);//设置是否全屏。
requestWindowFeature(Window.FEATURE_NO_TITLE);//设置是否显示title
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);//设置是否全屏。