Android Programming Tutorials 32 : Check Box In Android

Create Android Application:

• File >> New >> Android Application
• Enter Project name: CheckBoxApp
• Package: com.ambilpursunil.newapp
• Keep other default selections, click Next until you reach Finish

                               

 1.Simply Copy and Past the Code which is display below in the  MainActivity.java 

package com.ambilpursunil.newapp;

import android.os.Bundle;

import android.support.v7.app.ActionBarActivity;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.Toast;

public class MainActivity extends ActionBarActivity {

            CheckBox pizza, biryani, burger;

            Button btnOrder;

           

            @Override

            protected void onCreate(Bundle savedInstanceState) {

            super.onCreate(savedInstanceState);

            setContentView(R.layout.activity_main);

            addListerToButton();

            }

            private void addListerToButton() {

            pizza = (CheckBox) findViewById(R.id.checkBox1);

            biryani = (CheckBox) findViewById(R.id.checkBox2);

            burger = (CheckBox) findViewById(R.id.checkBox3);

            btnOrder = (Button) findViewById(R.id.btnOrder);

            btnOrder.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

            int amount = 0;

            StringBuilder sb = new StringBuilder();

            sb.append("Select Above Items"); 

            if(pizza.isChecked()){

            sb.append("\n Pizza Prize:150");

            amount += 100;

            }

            if(biryani.isChecked()){

            sb.append("\n Birayni Prize: 200");

            amount += 200;

            }

            if(burger.isChecked()){

            sb.append("\n Burger Prize: 180");

            amount += 180;

            }

            sb.append("\nTotal Amount:"+amount+"Rs");

            Toast.makeText(getApplicationContext(), sb.toString(),                                               Toast.LENGTH_SHORT).show();

            }

            });

            }

            @Override

            public boolean onCreateOptionsMenu(Menu menu) {

   // Inflate the menu; this adds items to the action bar if it is present.

             getMenuInflater().inflate(R.menu.main, menu);

             return true;

            }

}

 2.Simple Copy and Past the below code:  actvitiy_main.xml

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

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context="com.ambilpursunil.newapp.MainActivity" >

    <CheckBox

        android:id="@+id/checkBox1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignParentLeft="true"

        android:layout_alignParentTop="true"

        android:layout_marginLeft="66dp"

        android:layout_marginTop="106dp"

        android:text="Pizza" />

    <CheckBox

        android:id="@+id/checkBox2"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/checkBox1"

        android:layout_below="@+id/checkBox1"

        android:layout_marginTop="14dp"

        android:text="Burger" />

    <Button

        android:id="@+id/btnOrder"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignLeft="@+id/checkBox2"

        android:layout_below="@+id/checkBox2"

        android:layout_marginTop="25dp"

        android:text="Order Now" />

    <CheckBox

        android:id="@+id/checkBox3"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_alignBottom="@+id/checkBox1"

        android:layout_alignLeft="@+id/checkBox1"

        android:layout_marginBottom="39dp"

        android:text="Biryani" />

   

</RelativeLayout>

 3.Copy and past the code for manifest.xml

<?xml version="1.0" encoding="utf-8"?>

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

    package="com.ambilpursunil.newapp"

    android:versionCode="1"

    android:versionName="1.0" >

    <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="21" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name=".MainActivity"

            android:label="@string/app_name" >

        <intent-filter>

            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

4.Right click on the project and Run As-->Android Application

OutPut:

When our application launch it will show Three Check boxes Just Check one or all and click on the ORDER Button, You will see a Toast Message with Prices of the all items

Please Send Your Comments To ambilpura.sunil@gmail.com

Stay Tune For Next Tutorial... RadioGroup In Android: