Change color of a radio button

Question

I am developing an quiz based app. There will be 1 question and 4 option(radio buttons). If user select any wrong answer then I want to turn that radio button color to Red.

Answer 1

The fastest thing to do is to set the buttonTint to your desired color:

In your values/colors.xml put your color in this case a reddish one:

#e75748

Result:

As @smashing pointed, this only will work on API level >= 21