How to change three dots button on android to other button

Question

I wanna change the three dots button on Android to other button which is an \"Add\" button. How to do it? I have changed set the button in my drawable, but it keep prompt th

Answer 1

For those who use Kotlin:

toolbar.overflowIcon = ContextCompat.getDrawable(applicationContext,android.R.drawable.ic_dialog_info)

Note: "ic_dialog_info" is an icon example.