public static void setStatusBarDarkMode(boolean darkmode, Activity activity) {
        //前版本miui設定顏色
        Class<? extends Window> clazz = activity.getWindow().getClass();
        try {
            Class<?> layoutParams = Class.forName("android.view.MiuiWindowManager$LayoutParams");
            Field field = layoutParams.getField("EXTRA_FLAG_STATUS_BAR_DARK_MODE");
            int darkModeFlag = field.getInt(layoutParams);
            Method extraFlagField = clazz.getMethod("setExtraFlags", int.class, int.class);
            extraFlagField.invoke(activity.getWindow(), darkmode ? darkModeFlag : 0, darkModeFlag);
        } catch (Exception e) {
            e.printStackTrace();
        }
        //新版本miui 顏色設定

        int   flag =  ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR &( View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);

        if (darkmode) {
//            window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
//            window.clearFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            flag = View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
        }
        activity.getWindow().getDecorView().setSystemUiVisibility(flag);
    }
 

View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE

為自定義狀態列屬性（適配安卓6.0）。

參考：https://dev.mi.com/doc/p=10416/index.html