34.7 Implementing the Touch Event Listener

In order to receive touch event notifications it will be necessary to register a touch listener on the layout view within the onCreate() method of the MainActivity activity class. Select the MainActivity.kt tab from the Android Studio editor panel to display the source code. Within the onCreate() method, add code to register the touch listener and implement code which, in this case, is going to call a second method named handleTouch() to which is passed the MotionEvent object:

package com.ebookfrenzy.motionevent

 

import androidx.appcompat.app.AppCompatActivity

import android.os.Bundle

import android.view.MotionEvent

import android.view.View

import android.widget.TextView

import kotlinx.android.synthetic.main.activity_main.*

 

class MainActivity : AppCompatActivity() {

 

    override fun onCreate(savedInstanceState: Bundle?) {

       ...