IranAppsAvilability

    /**
     * checks whether IranApps is installed on the device
     *
     * @return true if IranApps is installed on the device otherwise false.
     */
    private boolean isIranAppsInstalled(Context context) {
        try {
            context.getPackageManager().getPackageInfo("ir.tgbs.android.iranapp", 0);
            return true;
        } catch (PackageManager.NameNotFoundException e) {
            return false;
        }
    }