Crash when targeting Android 11

[tranb3r]

Toast getView() was deprecated on Android 11 and it returns null.
So when targeting Android 11, the sample app crashes:

**System.NullReferenceException:** 'Object reference not set to an instance of an object.'
  at Plugin.Toast.ShowToastPopUp.ShowMessage (System.String message, System.String backgroundHexColor, System.String textHexColor, Plugin.Toast.Abstractions.ToastLength toastLength) [0x0003d] in C:\Users\10061213\Toast\Toast.Plugin.Android\ShowToastPopUp.cs:79 
  at Plugin.Toast.ShowToastPopUp.ShowToastMessage (System.String message, Plugin.Toast.Abstractions.ToastLength toastLength) [0x00000] in C:\Users\10061213\Toast\Toast.Plugin.Android\ShowToastPopUp.cs:45 

[tranb3r]

https://stackoverflow.com/questions/62884286/toast-getview-returns-null-on-android-11-api-30

[tranb3r]

My suggestion if you do not have the time to work on a full fix, would be to skip colors assignments on android 11, which would avoid the crash.
I can do the PR if you want.

[ishrakland]

Hello , @tranb3r i will fix it as soon as possible. Thank you for your help.

[tranb3r]

@ishrakland Any update ? A quick fix to prevent the crash by ignoring colors would be good enough...

[ishrakland]

try custom toast you can specify the color you want. I will fix it : i have a lot of charge.

[tranb3r]

The crash occurs whatever color you specify.
Again, a quick workaround to prevent the crash would be to skip color assignments on android 11.
Let me know if you need some help with the PR.

[jpveldtman]

Experiencing the same issue

[tranb3r]

@ishrakland I understand you may not have the time to work on this issue. Do you think you can provide a fix, or at least merge a quick fix to prevent the crash if I do the PR ?
I really like this plugin, but considering the impact of this issue, I'm thinking about moving to xamarin-community-toolkit which also has a toast functionnality.

[douglassimaodev]

Same problem here.... and based on the time it got reported.. I assume it won't get fix soon

[ishrakland]

Hi , I was sick if you can fix it , and i will merge your code

…

________________________________ From: douglassimaodev ***@***.***> Sent: Friday, July 9, 2021 1:04 AM To: ishrakland/Toast ***@***.***> Cc: El andaloussi Ishrak ***@***.***>; Mention ***@***.***> Subject: Re: [ishrakland/Toast] Crash when targeting Android 11 (#16) Same problem here.... and based on the time it got reported.. I assume it won't get fix soon — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub<#16 (comment)>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/AHNC2ZEZCPJXTWZYQCIGXMDTWZDKRANCNFSM4UHMXA3A>.

[sunkerGit]

GWS @ishrakland :D

[ishrakland]

It's free plugin, opensource and i don't get money from it . it's open for all users to contribute.

[tranb3r]

Maintaining this kind of plugin is too big a challenge for the long-term, and the xamarin community toolkit already has a toast functionality.
I think you should consider merging your code into their repo if you think you can provide additional features.

[ishrakland]

@tranb3r Yes, thank you

[tranb3r]

Did you find any solution @tranb3r

Yes, I'm using xamarin community toolkit now, instead of this plugin.

[iane87]

I'm thinking that the following changes in ShowToastPopUp.cs in Android should fix it

private void ShowMessage(string message, string backgroundHexColor = null, string textHexColor = null, Abstractions.ToastLength toastLength = Abstractions.ToastLength.Short)
        {
            var length = toastLength == Abstractions.ToastLength.Short ? Android.Widget.ToastLength.Short :  Android.Widget.ToastLength.Long;
            // To dismiss existing toast, otherwise, the screen will be populated with it if the user do so
            _instance?.Cancel();
            _instance = Android.Widget.Toast.MakeText(Android.App.Application.Context, message, length);
            if (Xamarin.Essentials.DeviceInfo.Version.Major <= 10)
            {
                View tView = _instance.View;
                if (!string.IsNullOrEmpty(backgroundHexColor))
                    tView.Background.SetColorFilter(Color.ParseColor(backgroundHexColor), PorterDuff.Mode.SrcIn);//Gets the actual oval background of the Toast then sets the color filter

                TextView text = (TextView)tView.FindViewById(Android.Resource.Id.Message);
                if (!string.IsNullOrEmpty(textHexColor))
                    text.SetTextColor(Color.ParseColor(textHexColor));
                
            }
            _instance.Show();
        }

[aproko234]

Hi.

This issue is still repeating in Android 11.

When are you coming out with the updated plugin.toast to handle this issue?

Thanks.