Android Programming Tutorials 31 : AlertDialog Box In Android

Create Android Application:

• File >> New >> Android Application
• Enter Project name: AlertDialogApp
• 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.app.Activity;

import android.app.AlertDialog;

import android.content.DialogInterface;

import android.os.Bundle;

public class MainActivity extends Activity {

    @SuppressWarnings("deprecation")

            @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        AlertDialog al = new AlertDialog.Builder(MainActivity.this).create();

        al.setTitle("Pick u..!");

        al.setMessage("Cum On Pick Up Dude..!");

        al.setButton("Place a Pin point        ", new DialogInterface.OnClickListener() {

                                   

                        @Override

                         public void onClick(DialogInterface dialog, int which) {

                        // TODO Auto-generated method stub

                                               

                                    }

                        });

        al.setButton2("Cancle", new DialogInterface.OnClickListener() {

                                   

                        @Override

                        public void onClick(DialogInterface dialog, int which) {

                        // TODO Auto-generated method stub

                                               

                                  }

                        });

       

        al.setButton3("Quit", new DialogInterface.OnClickListener() {

                                   

                        @Override

                        public void onClick(DialogInterface dialog, int which) {

                                                // TODO Auto-generated method stub

                                               

                                    }

                        });

        al.show();

    }

}

 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"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

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

    <TextView

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Wel come To Alert Dialog" />

</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 Alert with three buttons place a pin point, cancle, quit. click any one it will disappear.

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

Stay Tune For Next Tutorial... Check Box In Android: