After button click it changes variable

Question

I have a variable named ( _text-)

I what to detect what button was clicked for example when button_a is clicked it then inserts the letter a at (3,  "a")  So now the variable _text- = "texat"

( coding in Android studio)

Answer 1

You can have a char variable, say buttonChar and assign appropriate characters inside every button's onClick() function. You can finally use a switch case with buttonChar as your switch variable and manipulate variable _text.