how to make a group of radiobutton so that you can only select one?

Question

how to make a group of radiobutton so that you can only select one?

i wanted to make only one radiobutton that is selectable

Answer 1

Add your radio buttons in a RadioGroup as below.

<RadioGroup
        android:id="@+id/radioGroup"
          ....
        > 
       <RadioButton   
           android:id="@+id/radiobutton1
           .../>
       ...
    </RadioGroup>