@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        //去掉标题栏
        this.requestWindowFeature(Window.FEATURE_NO_TITLE);
        setContentView(ActivityLoginBinding.inflate(getLayoutInflater()).getRoot());

        //设置全屏
        WindowInsetsController controller = getWindow().getInsetsController();
        controller.hide(WindowInsets.Type.systemBars());
        int behavior3 = WindowInsetsController.BEHAVIOR_SHOW_TRANSIENT_BARS_BY_SWIPE;
        controller.setSystemBarsBehavior(behavior3);
    }

如果有编辑还是显示导航栏的解决方案（重写
														
																												

								
								
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