Android getWindow().setFlags方法

//设置窗体全屏

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);

//设置窗体始终点亮

getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,

      WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

//设置窗体背景模糊
getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,
                WindowManager.LayoutParams.FLAG_BLUR_BEHIND);