How to implement in-app update in flutter

[Siddhartha Bhattacharyya]

Hello everyone,

Can you please suggest how to implement in-app update for a Flutter Application?

My flutter SDK Version is 1.22.0

Thank you in advance,

Siddhartha

[Suzuki Tomohiro]

What is in-app updates?

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[David McCreary]

I am working on this myself right now.  There is a nice package that helps you:

https://pub.dev/packages/in_app_update

However, it's tricky to test.  I can get it to ascertain the need for an update and to start the update and to download the update, but it rolls back to the original version.  I am speculating that perhaps both the current version you have (ie. the one you want to update) as well as the one in the google play store both need the functionality, perhaps there is some handshaking in there.

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[Siddhartha Bhattacharyya]

Thank you.

I am working with flutter 1.22.0. in_app_update does not run on this platform. 

I have implemented forceupdate, https://pub.dev/packages/forceupdate

It works perfectly but when I click the Update Now button, nothing happens.

But I need to implement force update in flutter version 1.22.0.

Still looking for a solution, any help will be appreciated.

Thanks and regards,

Siddhartha

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Kind Regards,

Siddhartha Bhattacharyya,

A man dedicated for IT & Allied Services

Mobile: 8697652321

[Siddhartha Bhattacharyya]

Sorry everyone.

I am literally stuck at this point and badly need your starter kick. Sorry again and thanks for responses you have made so far.

I want to show dialog box to force update users when I publish a new version in App Store.

I am using New Version Flutter Plugin.

 https://pub.dev/packages/new_version 

I want to install the code at my Spash Screen.

But I get this error:

Error: No named parameter with the name 'context'.
    newVersion.showAlertIfNecessary(context: context);

So, here is my code for splash screen. Could you kindly help.

class SplashScreen extends StatefulWidget {
  @override
  _SplashScreenState createState() => _SplashScreenState();
}

class _SplashScreenState extends State<SplashScreen> {

  @override
  void initState() {
    super.initState();

    // Implementation is here
    final newVersion = NewVersion(
      iOSId: 'com.google.Vespa',
      androidId: 'com.google.android.apps.cloudconsole',
    );
    newVersion.showAlertIfNecessary(context: context);
  }

  void navigateNext(AuthState state) {
    final routeName =
        state.auth.isLoggedIn ? Routes.homeScreen : Routes.authScreen;

    Timer(
      Duration(seconds: 2),
      () => ExtendedNavigator.root.replace(routeName),
    );
  }

  @override
  Widget build(BuildContext context) {

    return BaseContent<AuthState>(
      onStateReady: (state) => navigateNext(state),
      create: (context, state, child) {
        return Scaffold(
          body: Container(
            decoration: BoxDecoration(
              image: DecorationImage(
                image: AssetImage('assets/images/splash.jpg'),
                fit: BoxFit.cover,
              ),
            ),
          ),
        );
      },
    );
  }
}