[Bug] Null reference at Xamarin.Forms.Platform.iOS.ListViewRenderer+ListViewDataSource.GetCell()

[matteofabris]

Description

When opening a ContentView (by a button tap) containing a ListView and instantly switching to another ContentView (again by another button tap) destroying the previous one, the app crashes with this exception:

System.NullReferenceException: Object reference not set to an instance of an object\ at Xamarin.Forms.Platform.iOS.ListViewRenderer+ListViewDataSource.GetCell (UIKit.UITableView tableView, Foundation.NSIndexPath indexPath) <0x102646b90 + 0x002e4> in <fa582f303d264dd7807d18dc69f43f08#2f27a5e9f1964ddcca8f4d22684e1b76>:0 \ at (wrapper managed-to-native) UIKit.UIApplication.UIApplicationMain(int,string[],intptr,intptr)\ at UIKit.UIApplication.Main (System.String[] args, System.IntPtr principal, System.IntPtr delegate) <0x10207a570 + 0x0002f> in <ad1be307855442e4b2cb88e33f94f908#2f27a5e9f1964ddcca8f4d22684e1b76>:0 \ at UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) <0x10207a4e0 + 0x00043> in <ad1be307855442e4b2cb88e33f94f908#2f27a5e9f1964ddcca8f4d22684e1b76>:0 \ at MobileByMe.iOS.Application.Main (System.String[] args) <0x1009b3e10 + 0x000ab> in <f483bee7eb5d4506a68db5c40de65754#2f27a5e9f1964ddcca8f4\

Steps to Reproduce

1. Tap a button to open a ContentView containing a ListView
2. Tap instantly another button to open another ContentView destroying the previous one

Expected Behavior

App do not crash and the second ContentView is open regularly

Actual Behavior

App crashes

Basic Information

• Version with issue: 5.0.0
• Platform Target Frameworks:
  • iOS: 14

[jsuarezruiz]

@matteofabris Could you attach a sample sample where reproduce the issue?. Thanks!

[jfversluis]

No response to our request for more info, closing this for now.