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🔍 Zoom in on the image with the pinch 👌 of your fingers or double tapping 👆

C# 100.00%

maui maui-apps zoom zoom-images

bertuzzi.maui.pinchzoomimage's Introduction

Bertuzzi.MAUI.PinchZoomImage

Zoom in on the image with the pinch of your fingers.

A simple way to zoom in and zoom out on your images with MAUI.

This is the component, works on iOS, Android

NuGet

Name	Info
Bertuzzi.MAUI.PinchZoomImage

Platform Support

PinchZoomImage is a MAUI library.

Setup / Usage

Does not require additional configuration. Just install the package in the shared project and use.

You just need to add the reference in your xaml file.

  xmlns:pinch="clr-namespace:Bertuzzi.MAUI.PinchZoomImage;assembly=Bertuzzi.MAUI.PinchZoomImage"

Control

Use with the image control

 <pinch:PinchZoom>
     <pinch:PinchZoom.Content>
         <Image Source="xxamarin.jpg" />
     </pinch:PinchZoom.Content>
 </pinch:PinchZoom>

The complete example can be downloaded here: https://github.com/TBertuzzi/Bertuzzi.MAUI.PinchZoomImage/tree/master/PinchZoomImageMauiSample

Base on my package : https://github.com/TBertuzzi/Xamarin.Forms.PinchZoomImage

bertuzzi.maui.pinchzoomimage's People

Contributors

Stargazers

Watchers

Forkers

maksimadamenko ibanezjp christostatitzikidis matthewrdev granakpavel dan5602

bertuzzi.maui.pinchzoomimage's Issues

The library crashes when updated to .NET 7

I have noticed that the app crashed on Android when I upgraded the project to .NET 7. The root cause as follows:

Method not found: void Microsoft.Maui.Controls.TapGestureRecognizer.add_Tapped(System.EventHandler)

Bertuzzi.MAUI.PinchZoomImage causes the SwipeGestureRecognizer to stop responding.

I am currently building a cartoon viewer and when I enclose an Image with PinchZoom, the SwipeGestureRecognizer's Swiped does not respond at all.
When I put the Image and SwipeGestureRecognizer in a Grid in PinchZoom.Content, the Image appears for a moment and then disappears.
What should I do?

Read.xaml.txt

Perhaps this will help someone

This example code from Microsoft does exact the same, and works for me:

https://learn.microsoft.com/en-us/dotnet/maui/fundamentals/gestures/pinch

Create a pinch container
The PinchToZoomContainer class, which is shown in the following example, is a generalized helper class that can be used to interactively zoom a View:

Getting TargetInvocationException

I am getting:

System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.MissingMethodException: Method not found: void Microsoft.Maui.Controls.TapGestureRecognizer.add_Tapped(System.EventHandler)
  at at System.Reflection.ConstructorInvoker.InterpretedInvoke(Object obj, Span`1 args, BindingFlags invokeAttr)
  --- End of inner exception stack trace ---
  at at System.RuntimeType.CreateInstanceMono(Boolean nonPublic, Boolean wrapExceptions)
  at at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean wrapExceptions)
  at at System.Activator.CreateInstance(Type type, Boolean nonPublic, Boolean wrapExceptions)
  at at System.Activator.CreateInstance(Type type, Boolean nonPublic)
  at at System.Activator.CreateInstance(Type type)
  at at Microsoft.Maui.Controls.Xaml.CreateValuesVisitor.Visit(ElementNode node, INode parentNode)
  at at Microsoft.Maui.Controls.Xaml.ElementNode.Accept(IXamlNodeVisitor visitor, INode parentNode)
  at at Microsoft.Maui.Controls.Xaml.ElementNode.Accept(IXamlNodeVisitor visitor, INode parentNode)
  at at Microsoft.Maui.Controls.Xaml.RootNode.Accept(IXamlNodeVisitor visitor, INode parentNode)
  at at Microsoft.Maui.Controls.Xaml.XamlLoader.Visit(RootNode rootnode, HydrationContext visitorContext, Boolean useDesignProperties)
  at at Microsoft.Maui.Controls.Xaml.XamlLoader.Load(Object view, String xaml, Assembly rootAssembly, Boolean useDesignProperties)
  at at Microsoft.Maui.Controls.Xaml.XamlLoader.Load(Object view, String xaml, Boolean useDesignProperties)
  at at Microsoft.Maui.Controls.Xaml.XamlLoader.Load(Object view, Type callingType)
  at at Microsoft.Maui.Controls.Xaml.Extensions.LoadFromXaml[MainPage](MainPage view, Type callingType)
  at ZoomImage.MainPage.InitializeComponent() in /Users/jassim/Projects/ZoomImage/ZoomImage/Microsoft.Maui.Controls.SourceGen/Microsoft.Maui.Controls.SourceGen.CodeBehindGenerator/MainPage.xaml.sg.cs:34
  at ZoomImage.MainPage..ctor() in /Users/jassim/Projects/ZoomImage/ZoomImage/MainPage.xaml.cs:10
  at at System.Reflection.ConstructorInvoker.InterpretedInvoke(Object obj, Span`1 args, BindingFlags invokeAttr)
  --- End of inner exception stack trace ---
  at at System.RuntimeType.CreateInstanceMono(Boolean nonPublic, Boolean wrapExceptions)
  at at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean wrapExceptions)
  at at System.Activator.CreateInstance(Type type, Boolean nonPublic, Boolean wrapExceptions)
  at at System.Activator.CreateInstance(Type type, Boolean nonPublic)
  at at System.Activator.CreateInstance(Type type)
  at at Microsoft.Maui.Controls.ShellContent.<>c__DisplayClass19_0.<Microsoft.Maui.Controls.IShellContentController.GetOrCreateContent>b__0()
  at at Microsoft.Maui.Controls.ElementTemplate.CreateContent()
  at at Microsoft.Maui.Controls.Internals.DataTemplateExtensions.CreateContent(DataTemplate self, Object item, BindableObject container)
  at at Microsoft.Maui.Controls.ShellContent.Microsoft.Maui.Controls.IShellContentController.GetOrCreateContent()
  at at Microsoft.Maui.Controls.Platform.Compatibility.ShellSectionRootRenderer.LoadRenderers()
  at at Microsoft.Maui.Controls.Platform.Compatibility.ShellSectionRootRenderer.ViewDidLoad()
  at at UIKit.UIApplication.UIApplicationMain(Int32 argc, String[] argv, IntPtr principalClassName, IntPtr delegateClassName)
  at at UIKit.UIApplication.Main(String[] args, Type principalClass, Type delegateClass)
  at ZoomImage.Program.Main(String[] args) in /Users/jassim/Projects/ZoomImage/ZoomImage/Platforms/iOS/Program.cs:13

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