Android 隐藏状态栏

Android隐藏状态栏，注意：不是让状态栏透明，或者修改状态栏颜色之类的；是去掉顶部的状态，去掉信号、电量、时间等那块区域。先看下效果：

具体代码：

  public static void hideStatusBar(Activity activity) {
        if (activity == null) return;
        Window window = activity.getWindow();
        if (window == null) return;
        window.setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        window.getDecorView()
                .setSystemUiVisibility(View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
        WindowManager.LayoutParams lp = window.getAttributes();
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
            lp.layoutInDisplayCutoutMode = WindowManager.LayoutParams.LAYOUT_IN_DISPLAY_CUTOUT_MODE_SHORT_EDGES;
        }
        window.setAttributes(lp);
    }
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