How to Select Single RadioButton in Android RecyclerView?
RecyclerView is a ViewGroup added to the android studio as a successor of the GridView and ListView. It is an improvement on both of them and can be found in the latest v-7 support packages. It has been created to make possible the construction of any lists with XML layouts as an item that can be customized vastly while improving the efficiency of ListViews and GridViews. In this article, we are going to see how to select a single RadioButton while working on a RecyclerView.
What we are going to build in this article?
Here is a sample video of what we are going to build in this application. Note that we will be using Java language to make this project.
Step by Step Implementation
Step 1: Create a New Project
- Open a new project.
- We will be working on Empty Activity with language as Java. Leave all other options unchanged.
- Name the application at your convenience.
- There will be two default files named activity_main.xml and MainActivity.java.
If you don’t know how to create a new project in Android Studio then you can refer to How to Create/Start a New Project in Android Studio?
Step 2. Adding required dependency
Navigate to Gradle Scripts > gradle.scripts(module) and add the following dependency to it
Step 3. Working on XML files
Navigate to the app > res > layout > activity_main.xml and add the below code to that file. Below is the code for the activity_main.xml file.
Navigate to app > res > layout > right-click > new > layout resource file and name it as item_main.xml. Use the following code in item_main.xml file-
Step 4. Working on Java files
Navigate to the MainActivity.java file and use the following code in it. Comments are added to the code to have a better understanding.
Navigate to app > right-click > new > java class and name it as MainAdapter.java. Use the following code in it. Comments are added to the code to have a better understanding.
Create a new interface and name it as ItemClickListener. Use the following code in the ItemClickListener.java file-
Here is the final output of our application.
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