Scribd
Upload
54 views1 page

Practical 11

The document describes a program to implement a check box in an Android application. It defines the layout of the main activity using XML with a check box centered in the parent layout. It also defines the MainActivity class in Java code to initialize the check box, set an onCheckedChange listener to handle check box state changes, and display Toast messages when the check box is checked or unchecked.

Uploaded by

swapnil kale
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
54 views1 page

Practical 11

The document describes a program to implement a check box in an Android application. It defines the layout of the main activity using XML with a check box centered in the parent layout. It also defines the MainActivity class in Java code to initialize the check box, set an onCheckedChange listener to handle check box state changes, and display Toast messages when the check box is checked or unchecked.

Uploaded by

swapnil kale
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 1

PRACTICAL 11

PROGRAM TO IMPLEMENT CHECK BOX

The layout of the MainActivity is defined as follows. activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">

<CheckBox
android:id="@+id/checkBox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="I Agree to the Terms and Conditions"
android:layout_centerInParent="true"/>

</RelativeLayout>

The MainActivity.java is defined below.

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.CheckBox;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

CheckBox checkBox;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

// Get the checkbox view


checkBox = findViewById(R.id.checkBox);

// Set a listener for the checkbox state changes


checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
Toast.makeText(getApplicationContext(), "You have agreed to the terms and conditions",
Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(getApplicationContext(), "Please agree to the terms and conditions",
Toast.LENGTH_SHORT).show();
}
}
});
}
}

You might also like