Android Question help, how to change app background color after radio button is checked?

[StrayCat]

example :

if we click the green button then the background color becomes green
if we click the Red button then the background color becomes Red

how to make the code?

 

[Sagenut]

Look at this.
All the Radio Buttons in the Designer must have the same Event Name.

 

[StrayCat]

Look at this.
All the Radio Buttons in the Designer must have the same Event Name.

thank you very much, the code is working fine