NOTE: PLEASE CALL THESE METHOD IN onCreate() METHOD AFTER referenceVariables() METHOD.
cursorMovingFunction(OTP1, OTP2);
cursorMovingFunction(OTP2, OTP3);
cursorMovingFunction(OTP3, OTP4);
cursorMovingFunction(OTP4, OTP5);
cursorMovingFunction(OTP5, OTP6);
/**
- method that moves cursor to next edittext after entering a number.