Android CheckBox Example

CHECKBOX


Android checkbox is used to select more than one option at a time.
Example: In an admission form we may need t

o select both diploma & BE in Graduate option.
For this we can use checkbox which will enable us to select multiple options.



SOURCE CODE [main.xml] is

<xml version="1.0" encoding="utf-8"?>
<LinearLayout android:id="@+id/LinearLayout01"
android:layout_width="fill_parent" android:layout_height="fill_parent"

xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical">

<CheckBox android:id="@+id/check1"

android:layout_width="100px"

android:layout_height="wrap_content"

android:text="Android" />

<CheckBox android:id="@+id/check2"

android:layout_width="100px"

android:layout_height="wrap_content"

android:text="iPhone" />

<Button android:id="@+id/button1"

android:layout_width="100px"

android:layout_height="wrap_content"

android:text="Check" />

</LinearLayout>

SOURCE CODE [CheckBoxExample.java] is

package com.CheckBoxExample;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.Toast;

public class CheckBoxExample extends Activity implements OnClickListener

{

Button b1;

CheckBox c1, c2;

Toast msg;

public void onCreate(Bundle icicle)

{

super.onCreate(icicle);

setContentView(R.layout.main);

c1 = (CheckBox) findViewById(R.id.check1);

c2 = (CheckBox) findViewById(R.id.check2);

b1 = (Button) findViewById(R.id.button1);

b1.setOnClickListener(this);

}

public void onClick(View arg0)

{

// TODO Auto-generated method stub

if (c1.isChecked()==true && c2.isChecked()==true)

{

msg = Toast.makeText(CheckBoxExample.this,

"Android and Iphone", Toast.LENGTH_SHORT);

msg.show();

}

if (c1.isChecked()==true && c2.isChecked()==false)

{

msg = Toast.makeText(CheckBoxExample.this,

"Android", Toast.LENGTH_SHORT);

msg.show();

}

if (c1.isChecked()==false && c2.isChecked()==true)

{

msg = Toast.makeText(CheckBoxExample.this,

"Iphone", Toast.LENGTH_SHORT);

msg.show();

}

if (c1.isChecked()==false && c2.isChecked()==false)

{

msg = Toast.makeText(CheckBoxExample.this,

"Nothing Selected", Toast.LENGTH_SHORT);

msg.show();

}

}

}

The OUTPUT will be