Build Powerful Android Chat Apps with Sendbird Chat UIKit v3

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Build Powerful Android Chat Apps with Sendbird Chat UIKit v3

Table of Contents:

  1. Introduction
  2. Implementing Requests
  3. Creating a Custom Channel List Adapter
  4. Creating a Custom View Holder
  5. Implementing the Bind Method
  6. Referencing Views using View Binding
  7. Updating Channel Data in the Bind Method
  8. Implementing the Typing Indicator
  9. Inheriting the Channel List View Model
  10. Implementing the Custom Channel List Component
  11. Conclusion

1. Introduction

2. Implementing Requests

To start implementing various requests, we first Create a skeleton and include all the necessary strings and drawables. The base application id is already set and the initiation code has been implemented. The default channel list activity is displayed when the application is run. Additionally, the typing indicator should float in the verse application and display the receive and deliver receipts.

3. Creating a Custom Channel List Adapter

To separate our custom code, we create a Package and then proceed to create a custom channel list adapter. This adapter inherits the channel list adapter and overrides the onCreateViewHolder and onBindViewHolder methods. We also create a custom view holder to use in the adapter.

4. Creating a Custom View Holder

In the base view holder, we designate the group channel Type and create a constructor. The bind method is then implemented to bind the data specified by the base view holder to the view. We also reference the views easily using view binding.

5. Implementing the Bind Method

We create a layout for the channel item and declare the binding. In the bind method, we bind the binding and the channel data. Finally, we return the view holder.

6. Referencing Views using View Binding

To easily reference views, we use view binding. By declaring the binding, we can bind the views and channel data in the bind method.

7. Updating Channel Data in the Bind Method

In the bind method, we set the icon, title, and unread count. We can also get the channel cover using the Glide library. Additionally, we set the member count, last updated, and typing indicator.

8. Implementing the Typing Indicator

To implement the typing indicator, we communicate with the Chat SDK by inheriting the channel list view model and implementing the typingStatusUpdated method. We use LiveData to observe changes in the typing event.

9. Inheriting the Channel List View Model

To use the custom channel view model, we override the onCreateViewModel method in the fragment. In this method, we create and return a custom channel list view model. We observe the typing update through the custom view model.

10. Implementing the Custom Channel List Component

We create a custom channel list component to notify typing updates. This component inherits the channel list component and provides a getAdapter method to access the adapter used. The updated channel information is then notified to the adapter to update the view.

11. Conclusion

In conclusion, the implementation of the Recastle Verse is complete. We have discussed the steps for implementing various requests, creating a custom channel list adapter, implementing the typing indicator, and creating a custom channel list component. This allows for more complex customization in the application.


Introduction

Recastle Verse is an application that allows users to implement various requests and communicate through a typing indicator. In this article, we will explore the steps to implement these features and discuss the process of creating a custom channel list adapter and component.

Implementing Requests

The first step in implementing various requests is to create a skeleton with all the necessary strings and drawables. Additionally, the base application id has already been set and the initiation code has been implemented. This allows the basic UI kit to work seamlessly. The default channel list activity is displayed when the application is run.

Creating a Custom Channel List Adapter

To separate our custom code from the base application, we create a package to contain our custom implementations. Within this package, we create a custom channel list adapter by inheriting the channel list adapter. We then override the onCreateViewHolder and onBindViewHolder methods to customize the adapter's behavior.

Creating a Custom View Holder

Within the custom channel list adapter, we create a custom view holder to hold the views of each channel item. This view holder is a private static class that inherits from the base view holder and designates the group channel type. We also create a constructor within the view holder.

Implementing the Bind Method

The bind method is a crucial part of the custom channel list adapter. It takes the data specified by the base view holder as a parameter and binds it to the view. To make this process easier, we have already created a layout for the channel item. We can reference the views easily using view binding. By declaring the binding, we can bind the views and the channel data in the bind method. Finally, we return the view holder.

Referencing Views using View Binding

To easily reference views within the custom channel list adapter, we make use of view binding. By declaring the binding, we can reference the views directly in the adapter's code. This simplifies the process of setting icons, titles, unread counts, and other properties of the channel item.

Updating Channel Data in the Bind Method

Within the bind method, we can update various properties of the channel item. This includes setting the icon, title, and unread count. We can also use the Glide library to retrieve the channel cover and set it in the view. Additionally, we set the member count, last updated time, and typing indicator.

Implementing the Typing Indicator

To implement the typing indicator, we need to communicate with the Chat SDK. This is achieved by inheriting the channel list view model and implementing the typingStatusUpdated method. This method allows us to receive typing update events. We make use of LiveData to observe changes in the typing event in the fragments. Live data is declared and used to update the typing state.

Inheriting the Channel List View Model

To use the custom channel view model, we need to override the onCreateViewModel method in the fragment. Within this method, we create a custom channel list view model and return it. The custom view model is created using the view model factory and passed as an argument to the unbindChannelListComponent method. This allows us to observe the typing update through the custom view model.

Implementing the Custom Channel List Component

To further customize the application, we can implement a custom channel list component. This component is created by inheriting the channel list component and provides a method called notifyTypingUpdated to notify the component of typing updates. By accessing the adapter through the getAdapter method, we can update the view accordingly. The custom channel list component can be applied to the fragment by overriding the onCreateModule method and setting the default module to the custom component.

Conclusion

In conclusion, the implementation of Recastle Verse involves various steps such as creating a custom channel list adapter, implementing the typing indicator, and creating a custom channel list component. These steps allow for a more customized and personalized user experience. By following the provided steps, developers can build unique and engaging applications using Recastle Verse.

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