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How to use checktextview in android?
Before getting into the example, we should know what checktextview in android is. Check textview is expanded by textview and contains checkable interface. Using Checktextview we can find that, whether a user is clicked on textview or not.
This example demonstrate about How to use checktextview in android.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version = "1.0" encoding = "utf-8"?>
<android.support.constraint.ConstraintLayout 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">
<CheckedTextView
android:id = "@+id/text"
android:layout_width = "wrap_content"
android:layout_height = "wrap_content"
android:text = "Checked Text View"
android:textSize = "25sp"
app:layout_constraintBottom_toBottomOf = "parent"
app:layout_constraintLeft_toLeftOf = "parent"
app:layout_constraintRight_toRightOf = "parent"
app:layout_constraintTop_toTopOf = "parent" />
</android.support.constraint.ConstraintLayout>In the above code, we have taken CheckedTextView, when user clicked on textview, it will show check image.
Step 3 − Add the following code to src/MainActivity.java
package com.example.andy.myapplication;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckedTextView;
public class MainActivity extends AppCompatActivity {
CheckedTextView text;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
text = findViewById(R.id.text);
text.setCheckMarkDrawable(null);
text.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
text.setCheckMarkDrawable(R.drawable.ic_check_circle_pink_400_24dp);
}
});
}
}Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click Run 
icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen –
In the above result shown initial screen. When user click on textview it will show the result as shown below –
Click here to download the project code
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