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Android-ConvenientBanner | Simple and convenient banner, loop viewpager with 3D effects | Animation library

 by   saiwu-bigkoo Java Version: Current License: No License

 by   saiwu-bigkoo Java Version: Current License: No License

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kandi X-RAY | Android-ConvenientBanner Summary

Android-ConvenientBanner is a Java library typically used in User Interface, Animation applications. Android-ConvenientBanner has no bugs, it has no vulnerabilities, it has build file available and it has medium support. You can download it from GitHub.
Simple and convenient banner, loop viewpager with 3D effects
Support
Support
Quality
Quality
Security
Security
License
License
Reuse
Reuse

kandi-support Support

  • Android-ConvenientBanner has a medium active ecosystem.
  • It has 4736 star(s) with 1075 fork(s). There are 132 watchers for this library.
  • It had no major release in the last 12 months.
  • There are 88 open issues and 269 have been closed. On average issues are closed in 84 days. There are 4 open pull requests and 0 closed requests.
  • It has a neutral sentiment in the developer community.
  • The latest version of Android-ConvenientBanner is current.
This Library - Support
Best in #Animation
Average in #Animation
This Library - Support
Best in #Animation
Average in #Animation

quality kandi Quality

  • Android-ConvenientBanner has 0 bugs and 0 code smells.
This Library - Quality
Best in #Animation
Average in #Animation
This Library - Quality
Best in #Animation
Average in #Animation

securitySecurity

  • Android-ConvenientBanner has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
  • Android-ConvenientBanner code analysis shows 0 unresolved vulnerabilities.
  • There are 0 security hotspots that need review.
This Library - Security
Best in #Animation
Average in #Animation
This Library - Security
Best in #Animation
Average in #Animation

license License

  • Android-ConvenientBanner does not have a standard license declared.
  • Check the repository for any license declaration and review the terms closely.
  • Without a license, all rights are reserved, and you cannot use the library in your applications.
This Library - License
Best in #Animation
Average in #Animation
This Library - License
Best in #Animation
Average in #Animation

buildReuse

  • Android-ConvenientBanner releases are not available. You will need to build from source code and install.
  • Build file is available. You can build the component from source.
  • Installation instructions are not available. Examples and code snippets are available.
This Library - Reuse
Best in #Animation
Average in #Animation
This Library - Reuse
Best in #Animation
Average in #Animation
Top functions reviewed by kandi - BETA

kandi has reviewed Android-ConvenientBanner and discovered the below as its top functions. This is intended to give you an instant insight into Android-ConvenientBanner implemented functionality, and help decide if they suit your requirements.

  • init initializer
  • Attaches this view to the RecyclerViewPager .
  • Sets the page direction .
  • Override method to dispatch a touch event .
  • Update UI .
  • set the image resource
  • Gets the resource id of a variable
  • Performs the fling with the specified velocity .
  • OnBindViewHolder Method .
  • Get the screen width .

Android-ConvenientBanner Key Features

[demo代码请看戳这里](https://github.com/saiwu-bigkoo/Android-ConvenientBanner/blob/master/app/src/main/java/com/bigkoo/convenientbannerdemo/MainActivity.java)

[ViewPagerTransforms](https://github.com/ToxicBakery/ViewPagerTransforms)

[salvage](https://github.com/JakeWharton/salvage)

[LoopingViewPager](https://github.com/imbryk/LoopingViewPager)

[RecyclerViewCardGallery](https://github.com/zjw-swun/RecyclerViewCardGallery)

Community Discussions

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Trending Discussions on Animation

QUESTION

Xamarin.Forms animation inside Listview stops working if collection changes

Asked 2022-Mar-22 at 05:34

I am having a hard time figuring what's going on with my animation.

Viewmodel is composed of an ObservableCollection and every item contains a child ObservableCollection.

Parents collection is bound to a BindableLayout. The ItemTemplate of that layout contains a Listview to display child's elements.

<StackLayout BindableLayout.ItemsSource ="{Binding Parents}">
    <BindableLayout.ItemTemplate>
        <DataTemplate x:DataType="models:ParentRows">
            <StackLayout>      
                <Grid BackgroundColor="White" >
                     <!-- Some bindable content there -->
                </Grid>
            
               <ListView ItemsSource="{Binding Childs}" CachingStrategy="RecycleElementAndDataTemplate" RowHeight="50">
                    <ListView.ItemTemplate>
                        <DataTemplate x:DataType="models:ChildRows">
                            <ViewCell>
                                <StackLayout BackgroundColor="White">
                                    <controls:AnimatedGrid Refresh="{Binding Animation}"
                                          <!-- Some bindable content there -->
                                    </controls:AnimatedGrid>
                                </StackLayout>
                            </ViewCell>
                        </DataTemplate>
                    </ListView.ItemTemplate>
                </ListView>
            </StackLayout>
        </DataTemplate>
    </BindableLayout.ItemTemplate>
</StackLayout>

I am using an AnimatedGrid on the child listview, this control is inherinting from Grid. It has an extra BindableProperty nammed Refresh and an Animation code that gets called whenever Refresh property changes.

        private async void AnimateItem()
        {
            await Device.InvokeOnMainThreadAsync(() =>
            {
                this.RotateTo(360,500);
            });
        }

Everything works fine until i start filtering the list. Once i filter the list, subsequent call of AnimateItem will have no effect. To be more precise, if parent item got removed from list, and then added again, childs of this parent will never animate again. Filtering the List consist of Removing/Inserting parents to the observable collection (myCollection.Remove(item), myCollection.Insert(index, item), using Collection methods from framework).

This does not seems to be an observable collection binding issue, as values inside parent and childs collection still update perfectly find. Changing CachingStrategy also have no impact on the issue.

I found that, if i replace the ListView control by a CollectionView, the problem disappear. However, i realy want to find a solution that would alow me to keep the listview control as switching to CollectionView would introduce to many other undesirable effect.

Edit 22/02/2022 : I made a sample project to reproduce the issue on github.

  • Basicaly, you can click the "Rotate Random" multiple time to make random child spin.
  • Once you click the "Remove and add 2 parent", you can see that the removed/reinserted items does not rotate anymore.

Edit 15/03/2022 : I am still not able to figure what's wrong. However, for test purpose, i added in the control constructor, a task.delay followed by an animation call, and this call is working on filtered items. That's beyond my understanding.

ANSWER

Answered 2022-Mar-22 at 05:16

The solution

In your AnimatedGrid class, add an isAttached flag, and add the following lines to your OnPropertyChanged override:

bool isAttached = false;

protected override void OnPropertyChanged([CallerMemberName] string propertyName = null)
{
    base.OnPropertyChanged(propertyName);

    if (propertyName == "Renderer")
    {
        isAttached = !isAttached;
        if (!isAttached) this.RemoveBinding(RefreshProperty);
    }

    if (propertyName == nameof(Refresh))
    {
    ...

The why

Disclaimer: it took me a long time to figure out what was going on here, and although i was able to fix the problem, i would not claim that i completely and perfectly understand it. I believe this is a bug in Xamarin, and in your case i would file an issue in Github (although maybe MAUI will have this corrected...)

When a ChildItem is removed (do Filter), the old ChildItem-AnimatedGrid's Refresh property remains bound to the ChildItem's AnimationInt property.

When a ChildItem is added again (remove Filter), a new view is created.

Now the problem is evident: when the ChildItem's AnimationInt property changes (tap on ROTATE RANDOM button) the old ChildItem-AnimatedGrid's Refresh is notified, and then the old View is rotated, but the new ramains unchanged (it does not rotate).


Once the problem is understood, we need to figure out how to remove the binding of the old view when the view is dettached: well, to do this i used the fact that the VisualElement's Renderer property is set/modified when the element is attached and again when it is detached: The fist time it is called i set the isAttached flag to true. The second time it is called i set the flag to false, and i remove the binding. Removing the binding of the old View allows the new View to be correctly bound.

Source https://stackoverflow.com/questions/71190208

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install Android-ConvenientBanner

You can download it from GitHub.
You can use Android-ConvenientBanner like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the Android-ConvenientBanner component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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