Object Reference Error in Xamarin.Forms 4.8. and higher

[ashishkumawat]

UNHANDLED EXCEPTION: 11-02 11:04:58.337 I/MonoDroid(23184): System.NullReferenceException: Object reference not set to an instance of an object. 11-02 11:04:58.337 I/MonoDroid(23184): at CarouselView.FormsPlugin.Android.CarouselViewRenderer.OnElementChanged (Xamarin.Forms.Platform.Android.ElementChangedEventArgs1[TElement] e) [0x00132] in <892bb6a09e5d43ddbe9591d58bbf4c0e>:0
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetElement (TElement element) [0x000cb] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:245 11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:135
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0001f] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:350
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.AddChild (Xamarin.Forms.VisualElement view, Xamarin.Forms.Platform.Android.IVisualElementRenderer oldRenderer, Xamarin.Forms.Platform.Android.RendererPool pool, System.Boolean sameChildren) [0x000b3] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:140
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00163] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:351
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.Load () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:112
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetPackager (Xamarin.Forms.Platform.Android.VisualElementPackager packager) [0x00007] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:470 11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetElement (TElement element) [0x000e8] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:248
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:135 11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0001f] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:350 11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.AddChild (Xamarin.Forms.VisualElement view, Xamarin.Forms.Platform.Android.IVisualElementRenderer oldRenderer, Xamarin.Forms.Platform.Android.RendererPool pool, System.Boolean sameChildren) [0x000b3] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:140 11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00163] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:351 11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.Load () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:112 11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetPackager (Xamarin.Forms.Platform.Android.VisualElementPackager packager) [0x00007] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:470
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetElement (TElement element) [0x000e8] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:248 11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:135
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0001f] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:350
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.AddChild (Xamarin.Forms.VisualElement view, Xamarin.Forms.Platform.Android.IVisualElementRenderer oldRenderer, Xamarin.Forms.Platform.Android.RendererPool pool, System.Boolean sameChildren) [0x000b3] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:140
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00163] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:351
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.Load () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:112
11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetPackager (Xamarin.Forms.Platform.Android.VisualElementPackager packager) [0x00007] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:470 11-02 11:04:58.337 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetElement (TElement element) [0x000e8] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:248
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:135 11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0001f] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:350 11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.AddChild (Xamarin.Forms.VisualElement view, Xamarin.Forms.Platform.Android.IVisualElementRenderer oldRenderer, Xamarin.Forms.Platform.Android.RendererPool pool, System.Boolean sameChildren) [0x000b3] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:140 11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00163] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:351 11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.Load () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:112 11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetPackager (Xamarin.Forms.Platform.Android.VisualElementPackager packager) [0x00007] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:470
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetElement (TElement element) [0x000e8] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:248 11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:135
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0001f] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:350
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.ScrollViewContainer.set_ChildView (Xamarin.Forms.View value) [0x0002f] in D:\a\1\s\Xamarin.Forms.Platform.Android\Renderers\ScrollViewContainer.cs:35
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.ScrollViewRenderer.LoadContent () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\Renderers\ScrollViewRenderer.cs:373
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.ScrollViewRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x000cf] in D:\a\1\s\Xamarin.Forms.Platform.Android\Renderers\ScrollViewRenderer.cs:103
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0001f] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:350
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.RefreshViewRenderer.UpdateContent () [0x00037] in D:\a\1\s\Xamarin.Forms.Platform.Android\Renderers\RefreshViewRenderer.cs:126
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.RefreshViewRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x0002b] in D:\a\1\s\Xamarin.Forms.Platform.Android\Renderers\RefreshViewRenderer.cs:96
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, Android.Content.Context context) [0x0001f] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:350
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.AddChild (Xamarin.Forms.VisualElement view, Xamarin.Forms.Platform.Android.IVisualElementRenderer oldRenderer, Xamarin.Forms.Platform.Android.RendererPool pool, System.Boolean sameChildren) [0x000b3] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:140
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.SetElement (Xamarin.Forms.VisualElement oldElement, Xamarin.Forms.VisualElement newElement) [0x00163] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:351
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementPackager.Load () [0x00000] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementPackager.cs:112
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetPackager (Xamarin.Forms.Platform.Android.VisualElementPackager packager) [0x00007] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:470 11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].SetElement (TElement element) [0x000e8] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:248
11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.VisualElementRenderer1[TElement].Xamarin.Forms.Platform.Android.IVisualElementRenderer.SetElement (Xamarin.Forms.VisualElement element) [0x00033] in D:\a\1\s\Xamarin.Forms.Platform.Android\VisualElementRenderer.cs:135 11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.Platform.CreateRenderer (Xamarin.Forms.VisualElement element, AndroidX.Fragment.App.FragmentManager fragmentManager, Android.Content.Context context) [0x00031] in D:\a\1\s\Xamarin.Forms.Platform.Android\Platform.cs:397 11-02 11:04:58.338 I/MonoDroid(23184): at Xamarin.Forms.Platform.Android.AppCompat.FragmentContainer.OnCreateView (Android.Views.LayoutInflater inflater, Android.Views.ViewGroup container, Android.OS.Bundle savedInstanceState) [0x00008] in D:\a\1\s\Xamarin.Forms.Platform.Android\AppCompat\FragmentContainer.cs:64 11-02 11:04:58.338 I/MonoDroid(23184): at AndroidX.Fragment.App.Fragment.n_OnCreateView_Landroid_view_LayoutInflater_Landroid_view_ViewGroup_Landroid_os_Bundle_ (System.IntPtr jnienv, System.IntPtr native__this, System.IntPtr native_inflater, System.IntPtr native_container, System.IntPtr native_savedInstanceState) [0x00021] in D:\a\1\s\generated\androidx.fragment.fragment\obj\Release\monoandroid90\generated\src\AndroidX.Fragment.App.Fragment.cs:1919 11-02 11:04:58.338 I/MonoDroid(23184): at (wrapper dynamic-method) Android.Runtime.DynamicMethodNameCounter.151(intptr,intptr,intptr,intptr,intptr)

[peshexod]

I have the same issue from the version 4.8.0.1451. Can't update Xamarin.Forms. Could anyone fix it?

[KevinAnass]

why not use the carousel view of xamarin?

I have the same issue from the version 4.8.0.1451. Can't update Xamarin.Forms. Could anyone fix it?

[alexrainman]

Releasing a new version between today and tomorrow.

[alexrainman]

Version 6 is out.

[JenithaV]

@alexrainman Is this fixed with version 6?