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System.MissingMethodException: Method 'Android.App.Notification/Builder.SetChannelId' not found.

See original GitHub issue

Version 3.2.1 works fine, but versions 3.3.0 and higher have the following exception:

-		ex	{System.MissingMethodException: Method 'Android.App.Notification/Builder.SetChannelId' not found.
  at Plugin.Toasts.ToastNotification+<>c__DisplayClass5_0.<Notify>b__0 () [0x00054] in D:\Source\Repos\Toasts.Forms.Plugin\Toasts.Forms.Plugin.Droid\ToastNotification.cs:44 
  at System.Threading.Tasks.Task`1[TResult].InnerInvoke () [0x0000f] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at System.Threading.Tasks.Task.Execute () [0x00010] in <657aa8fea4454dc898a9e5f379c58734>:0 
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x0003e] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at System.Runtime.CompilerServices.TaskAwaiter`1[TResult].GetResult () [0x00000] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at Plugin.Toasts.ToastNotification+<Notify>d__5.MoveNext () [0x00031] in D:\Source\Repos\Toasts.Forms.Plugin\Toasts.Forms.Plugin.Droid\ToastNotification.cs:33 
--- End of stack trace from previous location where exception was thrown ---
  at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess (System.Threading.Tasks.Task task) [0x0003e] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification (System.Threading.Tasks.Task task) [0x00028] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd (System.Threading.Tasks.Task task) [0x00008] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at System.Runtime.CompilerServices.TaskAwaiter`1[TResult].GetResult () [0x00000] in <657aa8fea4454dc898a9e5f379c58734>:0 
  at LoginViewModel+<NavigateToRegisterPageAsync>d__32.MoveNext () [0x00066] in LoginViewModel.cs:187 }	System.MissingMethodException

Issue Analytics

State:
Created 6 years ago
Reactions:2
Comments:11 (1 by maintainers)

Top GitHub Comments

1reaction

PostImpaticacommented, May 23, 2018

@cassionandi I would write a dependency service that creates toasts. This is what I’ve started doing when I run out of options. I did this recently when I found that the xam.plugins.messaging plugin was forcing my xamarin ios project to want to install .netstandard 1.6 and a bunch of other packages.

HERE is a stack overflow showing you how to create toasts using a dependency service in iOS (look at Alex Chengalan’s solution). iOS is always the most difficult for me so that is where I start. If I can find an easy solution for iOS it’s normally even easier in Android so then I proceed.

1reaction

PostImpaticacommented, Apr 18, 2018

I dropped down to 3.2.1