How to get Resource Name from Resource id
In your Activity, try these:
to get string like
radio1
:getResources().getResourceEntryName(int resid);
to get string like
com.sample.app:id/radio1
:getResources().getResourceName(int resid);
In Kotlin Now :
val name = v.context.resources.getResourceEntryName(v.id)
You have id('long' type) from that id you want to access radio button id(name) that is radio1. You use this
getResources().getResourceEntryName(id);
in using above you can get name of radio button i.e. radio1. here parameter id is which you have(long type). Try this it will helps you 100%.