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Xamarin Forms version: 188.8.131.52
Android works as expected. iOS not refreshing ItemSource after update.
Click "Write Tab"
Click "Write" Button a few times
Go back to the "Log" Tab. The listview should display items.
Created attachment 18250 [details]
The workaround is to add this:
list.ItemsSource = null; // first set to null. should not be needed
list.ItemsSource = App.Log;
I'm not sure why this was confirmed. Was this regression?
The issue is that App.Log is not changing its reference but its content. List<string> has no concept of individual items updating. Use an ObservableCollection instead.
public static ObservableCollection<string> Log;
Actually, since you said Android works, then this is probably a bug. I'll try to look at it again tomorrow.
I was doing a test and expected it to update like Android without first setting listview.Itemsource = null. I just rebound it on appear.
@Andrew, this does not work for me on AppCompat either. You said it's working on Android, but I can't duplicate it. Perhaps, try uploading a screencast showing us it's working on Android.
As I said earlier, you should use ObservableCollection instead which implements INotifyCollectionChanged and INotifyPropertyChanged.
This is not a bug. Using an ObservableCollection lets it function as expected.