App crash after tap twice in Cancel button in the fingerprint dialog.

[ghost]

Steps to reproduce

1. Open an app with fingerprint integrated.

2. When you see the fingerprint dialog, tap 2 or 3 time in the "Cancel" button or tap twice in the "Use Fallback" button.

3. The app will crash.

Expected behavior

The app should not crash.

Actual behavior

The app Crash.

Crashlog

System.InvalidOperationException: An attempt was made to transition a task to a final state when it had already completed. at System.Threading.Tasks.TaskCompletionSource`1[TResult].SetResult (TResult result) [0x0000c] in /Users/builder/data/lanes/3511/501e63ce/source/mono/mcs/class/referencesource/mscorlib/system/threading/Tasks/TaskCompletionSource.cs:322 at Plugin.Fingerprint.Dialog.FingerprintDialogFragment+d20.MoveNext () [0x00082] in C:\Projekte\xamarin-fingerprint\src\Plugin.Fingerprint.Android\Dialog\FingerprintDialogFragment.cs:127 at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw () [0x0000c] in /Users/builder/data/lanes/3511/501e63ce/source/mono/mcs/class/referencesource/mscorlib/system/runtime/exceptionservices/exceptionservicescommon.cs:143 at System.Runtime.CompilerServices.AsyncMethodBuilderCore.m0 (System.Object state) [0x00000] in /Users/builder/data/lanes/3511/501e63ce/source/mono/mcs/class/referencesource/mscorlib/system/runtime/compilerservices/AsyncMethodBuilder.cs:1018 at Android.App.SyncContext+cAnonStorey0.<>m0 () [0x00000] in /Users/builder/data/lanes/3511/501e63ce/source/xamarin-android/src/Mono.Android/Android.App/SyncContext.cs:18 at Java.Lang.Thread+RunnableImplementor.Run () [0x0000b] in /Users/builder/data/lanes/3511/501e63ce/source/xamarin-android/src/Mono.Android/Java.Lang/Thread.cs:36 at Java.Lang.IRunnableInvoker.n_Run (System.IntPtr jnienv, System.IntPtr native__this) [0x00009] in /Users/builder/data/lanes/3511/501e63ce/source/monodroid/src/Mono.Android/platforms/android-23/src/generated/Java.Lang.IRunnable.cs:81 at at (wrapper dynamic-method) System.Object:3507f35d-d544-499c-814c-5b8a75e1249c (intptr,intptr)

Configuration

Version of the Plugin: 1.4.1

Platform: Android 6.0.1

Device: Samsung Galaxy S6

[smsissuechecker]

Hi @Yadrian,

I'm the friendly issue checker. Thanks for using the issue template :kissing_heart: I appreciate it very much. I'm sure, the maintainers of this repository will answer, soon.

[smstuebe]

Fixed in version 1.4.2

[ghost]

Thank you very much #smstuebe (will be better call you for a name instead)!!! I will check and let you know.

[ghost]

Bug fixed!!!