Muhammad Zubair Ashraf

icon indicating a website link http://www.virtualproz.com

icon company Virtual Proz icon location Berlin, Germany icon location I have been a Mobile app developer for more than 9 years. I have 3-year experience with Flutter(Android, IOS, Web) & Kotlin.

Results 1 issues of Muhammad Zubair Ashraf

App Crash on Restart with following exception Unhandled Exception: type 'Null' is not a subtype of type

I have followed the sample code properly. While the app is running it works fine. It saves and retrieves data. But when I restart the application it crashes with an...

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