In Android RadioGroup is used to set radio buttons. If one radio button is selected within the RadioGroup, all other ones are automatically deselected.
In this article we will be discussing how to programmatically create a RadioGroup in Kotlin .
Let’s start by first creating a project in Android Studio. To do so, follow these instructions:
- Click on File, then New and then New Project and give name whatever you like
- Then, select Kotlin language Support and click next button.
- Select minimum SDK, whatever you need
- Select Empty activity and then click finish.
After that, we need to design our layout. For that we need to work with the XML file. Go to app > res > layout and paste the folllowing code:
Modify activity_main.xml file
The next step is to code our RadioGroup. Open app/src/main/java/yourPackageName/MainActivity.kt and paste the following code:
The above code will still produce some errors because we have used some strings which have been declared in another file, to resolve these add the following code snippet to app/res/values/strings.xml