Toast一直不消失 #104

static Future<void> show(String msg) {
    if (msg == null) {
      return null;
    }
    setTextStyle();
    return EasyLoading.showToast(msg);
  }

  static void setTextStyle() {
    EasyLoading.instance
      ..displayDuration = const Duration(seconds: 2)
      ..loadingStyle = EasyLoadingStyle.custom
      ..progressColor = Colours.app_main
      ..backgroundColor = Colors.black87
      ..indicatorColor = Colours.app_main
      ..indicatorType = EasyLoadingIndicatorType.ring
      ..indicatorSize = 40
      ..textColor = Colours.white
      ..maskColor = Colors.black87
      ..contentPadding = const EdgeInsets.symmetric(
        vertical: 10.0,
        horizontal: 10.0,
      )
      ..radius = 6.0
      ..userInteractions = true
      ..dismissOnTap = false;
  }