Question

I am developing a quiz application which consists of a question and three options and I am using radio buttons for these options.My query is,I click on one of the options and whenever i want to click another option, the previous option remains in the checked state and it does the same whenever I click on the third option too.
I need a solution where in it behaves as a natural radio button,only one option is checked at any point of time.

Answer 1

You can group RadioButtons using the RadioGroup.
Here is the example how you can group the RadioButtons using RadioGroup

<RadioGroup android:id="@+id/radioGroup1" android:layout_width="wrap_content" android:layout_height="wrap_content">
        <RadioButton android:text="RadioButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/radio0" android:checked="true"></RadioButton>
        <RadioButton android:text="RadioButton" android:layout_width="wrap_content" android:id="@+id/radioButton1" android:layout_height="wrap_content"></RadioButton>
</RadioGroup>

For more information you can refer this document