convert xamarin rerender to maui handler

Question

i have trouble migrating xamarin rerender to maui handler. Here's the code [assembly: ExportRenderer(typeof(CustomNavigationPage), typeof(CustonNavigationRenderer))]

namespace Test.App.Business

{

   public class CustomNavigationRenderer : NavigationPageRenderer  

   {  

       public CustomNavigationRenderer(Context context) : base(context)  

       {  

       }  


 

       protected override void SetupPageTransition(AndroidX.Fragment.App.FragmentTransaction transaction, bool isPush)  

       {  

           //base.SetupPageTransition(transaction, isPush);  

           if (isPush)  

           {  

               transaction.SetCustomAnimations(Resource.Animation.EnterFromRight, Resource.Animation.ExitToLeft,  

                                               Resource.Animation.EnterFromLeft, Resource.Animation.ExitToRight);  

           }  

           else  

           {  

               transaction.SetCustomAnimations(Resource.Animation.EnterFromLeft, Resource.Animation.ExitToRight,  

                                               Resource.Animation.EnterFromRight, Resource.Animation.ExitToLeft);  

           }  

       }  

   }  
```   }

Answer

Hello,

The SetupPageTransition method has been canceled in Maui and is not inherited to NavigationViewHandler. This is because Maui now supports adding transition animations to controls in a cross-platform way.

You can implement a custom NavigationPage with animations to display animation effects when performing Push and Pop operations.

For example:

public class AnimatedNaivgationPage: NavigationPage
{
    public async void AnimatedPushAsync(Page page)
    {
        // add custom animation here.
        page.TranslateTo(...)
        await this.PushAsync(page);
    }
    public async void AnimatedPopAsync()
    {
        this.CurrentPage.TranslateTo(...)
        await this.PopAsync();
    }
}

You could refer to the following API documentation for more details about adding animation into controls.

Best Regards,

Alec Liu.

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