FATAL EXCEPTION: main KotlinNullPointerException

Question

This is my first time building an android application. However when i run the app on my Virtual Device, it stopped working and keeps crashing. The error says something about

Answer 1

Because your date EditText is null.Before use editText initialise editText like this

var date = findViewById(R.id.date) as? EditText

then set the value of date

date?.setText("15-11-2017")
date?.isEnabled = false