实现游戏沉浸式效果

实现游戏沉浸式效果，底部上滑才会出现虚拟按键和手势引导。 

            getWindow().setDecorFitsSystemWindows(false);
            WindowInsetsController windowInsetsController = getWindow().getInsetsController();
            windowInsetsController.hide(WindowInsets.Type.systemBars());
            windowInsetsController.setSystemBarsBehavior(WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE);





参考链接：
https://developer.android.google.cn/develop/ui/views/layout/immersive?hl=zh-cn#kotlin
https://blog.csdn.net/lzs781/article/details/127972376