implement app rate in flutter code example

Example: implement app rate in flutter

// In this snippet, I'm giving a value to all parameters.
// Please note that not all are required (those that are required are marked with the @required annotation).

RateMyApp rateMyApp = RateMyApp(
  preferencesPrefix: 'rateMyApp_',
  minDays: 7,
  minLaunches: 10,
  remindDays: 7,
  remindLaunches: 10,
  googlePlayIdentifier: 'fr.skyost.example',
  appStoreIdentifier: '1491556149',
);

rateMyApp.init().then((_) {
  if (rateMyApp.shouldOpenDialog) {
    rateMyApp.showRateDialog(
      context,
      title: 'Rate this app', // The dialog title.
      message: 'If you like this app, please take a little bit of your time to review it !\nIt really helps us and it shouldn\'t take you more than one minute.', // The dialog message.
      rateButton: 'RATE', // The dialog "rate" button text.
      noButton: 'NO THANKS', // The dialog "no" button text.
      laterButton: 'MAYBE LATER', // The dialog "later" button text.
      listener: (button) { // The button click listener (useful if you want to cancel the click event).
        switch(button) {
          case RateMyAppDialogButton.rate:
            print('Clicked on "Rate".');
            break;
          case RateMyAppDialogButton.later:
            print('Clicked on "Later".');
            break;
          case RateMyAppDialogButton.no:
            print('Clicked on "No".');
            break;
        }
        
        return true; // Return false if you want to cancel the click event.
      },
      ignoreNativeDialog: Platform.isAndroid, // Set to false if you want to show the Apple's native app rating dialog on iOS or Google's native app rating dialog (depends on the current Platform).
      dialogStyle: DialogStyle(), // Custom dialog styles.
      onDismissed: () => rateMyApp.callEvent(RateMyAppEventType.laterButtonPressed), // Called when the user dismissed the dialog (either by taping outside or by pressing the "back" button).
      // contentBuilder: (context, defaultContent) => content, // This one allows you to change the default dialog content.
      // actionsBuilder: (context) => [], // This one allows you to use your own buttons. 
    );
    
    // Or if you prefer to show a star rating bar :
    
    rateMyApp.showStarRateDialog(
      context,
      title: 'Rate this app', // The dialog title.
      message: 'You like this app ? Then take a little bit of your time to leave a rating :', // The dialog message.
      // contentBuilder: (context, defaultContent) => content, // This one allows you to change the default dialog content.
      actionsBuilder: (context, stars) { // Triggered when the user updates the star rating.
        return [ // Return a list of actions (that will be shown at the bottom of the dialog).
          FlatButton(
            child: Text('OK'),
            onPressed: () async {
              print('Thanks for the ' + (stars == null ? '0' : stars.round().toString()) + ' star(s) !');
              // You can handle the result as you want (for instance if the user puts 1 star then open your contact page, if he puts more then open the store page, etc...).
              // This allows to mimic the behavior of the default "Rate" button. See "Advanced > Broadcasting events" for more information :
              await rateMyApp.callEvent(RateMyAppEventType.rateButtonPressed);
              Navigator.pop<RateMyAppDialogButton>(context, RateMyAppDialogButton.rate);
            },
          ),
        ];
      },
      ignoreNativeDialog: Platform.isAndroid, // Set to false if you want to show the Apple's native app rating dialog on iOS or Google's native app rating dialog (depends on the current Platform).
      dialogStyle: DialogStyle( // Custom dialog styles.
        titleAlign: TextAlign.center,
        messageAlign: TextAlign.center,
        messagePadding: EdgeInsets.only(bottom: 20),
      ),
      starRatingOptions: StarRatingOptions(), // Custom star bar rating options.
      onDismissed: () => rateMyApp.callEvent(RateMyAppEventType.laterButtonPressed), // Called when the user dismissed the dialog (either by taping outside or by pressing the "back" button).
    );
  }
});