CheckedTextView Android Kotlin

It looks like you're looking for a simpler example of how to use  CheckedTextView.

Here is the tutorial for Java

Below is a minimal example: in  code.

There Are Some Common Attributes for CheckedTextView :

File open res/layout/activity_main.xml file −

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">



    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center"
        android:layout_margin="10dp"
        android:orientation="vertical">


        <CheckedTextView
            android:id="@+id/checkedTextView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textStyle="bold"
            android:textSize="20dp"
            android:text="Check me" />
    </LinearLayout>




</RelativeLayout>

Step 2 :

File open com.microappvalley.newtestproject/MainActivity.kt file −

Kotlin:

package com.microappvalley.newtestproject

import android.annotation.SuppressLint
import android.os.Bundle
import android.widget.CheckedTextView
import androidx.appcompat.app.AppCompatActivity

class MainActivity : AppCompatActivity() {

    @SuppressLint("MissingInflatedId")
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        var checkedTextView: CheckedTextView = findViewById(R.id.checkedTextView)

        checkedTextView.setOnClickListener{
            checkedTextView.isChecked=!checkedTextView.isChecked
            if (checkedTextView.isChecked){
                checkedTextView.text="Checked"
            }else{
                checkedTextView.text="Checked Me"
            }

        }
    }
}

Open Device Manager, run the emulator, and  then run the application. Next, check the working output and check the output  you declared in your code.