android强制为全屏，横屏，竖屏，取消强制横竖屏

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

if (getRequestedOrientation() != ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE) {
    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);//设置横屏
}

if (getRequestedOrientation() != ActivityInfo.SCREEN_ORIENTATION_PORTRAIT) {
     setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);//设置竖屏
   
}

 setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR);//设置屏幕按感应设置横竖屏

Window window = getWindow();
window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);//保持屏幕高亮