Provide flexible update progress

[creativecreatorormaybenot]

There should be a listener provided to get the progress of a flexible update as shown here.

[yashwp]

This is much needed feature. The package maintainers went for a deep sleep!

[jonasbark]

@yashwp I'm very happy to receive pull requests <3

[maulanauls]

This is much needed feature. The package maintainers went for a deep sleep!

https://pub.dev/packages/in_googleplay_update Maybe this can be help

[maulanauls]

There should be a listener provided to get the progress of a flexible update as shown here.

https://pub.dev/packages/in_googleplay_update Hopefully this one can be help for you

[nikb7]

You can use this

https://github.com/jonasbark/flutter_in_app_update/pull/94