ListView image appears after scrolling

[José Donizete de Oliveira Júnior]

Oi,

Estou testando os modelos de sincronização:  https://www.syncfusion.com/essential-xamarin-ui-kit

Eu adicionei um vídeo para mostrar o que está acontecendo. Estou usando o banco de dados firebase.

Como eu faço:

               public WishlistViewModel ()

              { 

                      this.WishlistDetails = new ObservableCollection();

                      WishlistDetails = App.Current.firebase.GetObsersableProduct ();

              }

               public ObservableCollection GetObsersableProduct ()

             {

                      var products = firebaseClient

                     .Criança (Nome da criança)

                     .AsObservable() .AsObservableCollection ();

                     devolução de produtos;

             }

              Minha Firebase:

               https://drive.google.com/file/d/1kQErxGRomMKuCS9Jkuadi-6zSYNUH7w-/view?usp=sharing

Peço ajuda para ver se estou faltando alguma coisa, por favor

Edit: Outgoing message: ImageLoaderSourceHandler: Could not retrieve image or image data was invalid: Uri: https://firebasestorage.googleapis.com/v0/b/senai-modelo.appspot.com/o/Image4.png?alt=media&token=520806ae-e513-454d-be06-cbf5247c40dd

No entanto, ao acessar o URL é normal.

Anexo: video.mp4_b5c6136a.zip

[SaiGanesh Sakthivel]

Hi Jose, 

  

Thank you for contacting Syncfusion support. 

  

We have checked the reported query “Listview image appears after scrolling” from our end and we need more details to replicate the issue. Please share the following details which will be help us to solve the issue as soon as possible. 

 

·       Please share the viewmodel and model class.  

·       Please share the firebase API url.  

  

Regards, 

SaiGanesh Sakthivel

[José Donizete de Oliveira Júnior]

Hi Jose, 

  

Thank you for contacting Syncfusion support. 

  

We have checked the reported query “Listview image appears after scrolling” from our end and we need more details to replicate the issue. Please share the following details which will be help us to solve the issue as soon as possible. 

 

·       Please share the viewmodel and model class.  

·       Please share the firebase API url.  

  

Regards, 

SaiGanesh Sakthivel

Hi, thanks for help.

Attachment: sync_4f021829.zip

[Chandrasekar Sampathkumar]

Hi José, 

Thank you for the update. 

We have checked the attached code snippets. Can you please share the following details which would be helpful for us to check on it and provide you solution at the earliest, 

• Product class
• App.Current.products
• App.Current.firebase
• App.Current.accessToken
• template:WishlistItemTemplate

Note: We are using packages FirebaseDatabase.net and Firebase.Xamarin for firebase api. Can you please share the missing packages on our side or correct us if we are using different packages. 

Regards, 

Chandrasekar Sampathkumar 

[José Donizete de Oliveira Júnior]

Hi José, 

Thank you for the update. 

We have checked the attached code snippets. Can you please share the following details which would be helpful for us to check on it and provide you solution at the earliest, 

• Product class
• App.Current.products
• App.Current.firebase
• App.Current.accessToken
• template:WishlistItemTemplate

Note: We are using packages FirebaseDatabase.net and Firebase.Xamarin for firebase api. Can you please share the missing packages on our side or correct us if we are using different packages. 

Regards, 

Chandrasekar Sampathkumar 

Hi

Follow the project

Link Project GoogleDrive

Thank you for help

[Chandrasekar Sampathkumar]

Hi José, 

Thank you for the update. 

We have checked the reported query “ListView image appears after scrolling” from our end. We would like to let you know that we have checked the attached project in Android (Motorola Moto G(5S) (Android 8.1 – API 27)) and in iOS (iPhone 8 iOS 13.1 simulator) and we regret to let you know that we are unable to replicate the reported scenario. We have attached the output video for android and iOS and you can download the same using the following link, 

Video: VideoSample 

Could you please share the following details which would be helpful for us to check on it and provide you solution at the earliest,  

• Specific Platform issue replicated
• Visual Studio version
• Device Configuration details

Regards, 

Chandrasekar Sampathkumar