Category Archives: ANDROID

Using Tabbars in ANDROID, A Simple Example……….

By | May 9, 2011

This is a simple example showing how to use tabbars in ANDROID. First create a new project and copy this code to it. Now create three another java files by right clicking the src folder and name it FirstTab.java, SecondTab.java, ThirdTab.java. Now copy the following code to FirstTab.java. SecondTab.java Now ThirdTab.java. Main.xml file AndroidManifest.xml You… Read More »

How to split a String in ANDROID?

By | May 5, 2011

Hi all….. Splitting a string in android is really easy.checkout the following snippet. Check the Logcat for output. Note: Make sure to put the escape character before the delimiter for splitting,otherwise the output may be each character.

Listening incoming sms message in Android

By | May 1, 2011

When a new sms message is received by the device, a Broadcast Receiver is registered. For this IntentFilter filter = new IntentFilter(SMS_RECEIVED); registerReceiver(receiver_SMS, filter); should be included . Also sms are sent in PDU’s(Protocol Description Units) format, which act as an encapsulation. Inorder to extract from PDU to byte array messages[i] = SmsMessage.createFromPdu((byte[]) pdus[i]); method… Read More »

Email validation in ANDROID.

By | May 24, 2012

This is a simple example showing email validation in ANDROID. This example uses regex for email validation. Create a button and an edittext in your main.xml file and try this code. Check this link to find how you can send email from android programatically. Please leave your valuable comments……

Customizing your button or TextView or another view in ANDROID.

By | April 30, 2011

Beautifying our applications is one of the main features of your application’s success. In ANDROID there are many possible ways to do this. For eg. We need to have different colors for our buttons, However we can give backgrounds for buttons and all. But we can do many by using our custom xml files, like… Read More »

Android: Conversion to Dalvik format failed: Unable to execute dex: null

By | April 28, 2011

This error often comes when your android project size is large. Try the following steps to remove the error 1. Clean the project Project > Clean 2. Increase the memory allocated in eclipse.ini Open the eclipse.ini file in the the Eclipse folder. Then edit -Xms128m to -Xmx512m or something higher Hope this help you

How to create and delete a directory in SdCard in ANDROID?

By | January 18, 2013

Hi all…… This is a simple example to create and delete a directory in ANDROID. Here the directly is created in the SDCARD. So first create an SDCARD and start the emulator with the SDCARD. Let’s look at the program. Use can use this program to create or delete a file in ANDROID also. main.xml… Read More »

How to place a label or textBox or anyother control inside a tableView in Titanium, ANDROID or iPhone ?

By | April 26, 2011

Hi all…….. This tutorial is for Titanium users. This tutorial explains how to place a textBox or anyother control inside a tableView. A tableview requires data in the form of a array, so we create an array (here array is named “data_array“) by adding the controls like textboxes and labels inside it. You can give… Read More »

ANDROID – Upload an image to Server in Android Studio

By | January 15, 2017

Hi all, In today’s tutorial I will show you how to send an image to server using POST method in ANDROID. Uploading an image to server is a basic requirement in many of our application. Sending data to server which is using a PHP Script is already explained in this example . Now in this… Read More »

How to get notified during an incoming call and get that number inside your program in ANDROID?

By | April 24, 2011

Hi all……. In today’s tutorial I will show you how to get the incoming phone number inside your application. In many situation we may need this. For this we need to have BoradCastReceivers. Inside this class we create an object of the TelephonyManager class ang register with the sytem service.Now we have to make another… Read More »

Android frame Animation

By | May 27, 2012

A series of frames is drawn one after the other at regular intervals. For this create a xml which contains ImageView for showing the animation The main java file is Next the main part, an xml which holds each image and duration in which each image shows. The xml should be placed inside drawable folder… Read More »

Android dialog with ListView

By | April 21, 2011

For implementing a ListView, we first create a xml which contains a ListView named list.xml Next we create a Dialog Object and inflate the above xml and when the listItem is clicked then a Alert Dialog windows comes The java file is listed below The alert window look like this When the Item is selected… Read More »

How to get the SMS sent to your emulator within your application? OR Get notified when an SMS arrives to your phone.

By | June 21, 2012

Actually these are done using services in ANDROID. These are called BroadcastReceivers.Your class has to extend the BroadcastReceiver class to get these broadcast events. But note that these services need to have an interface. So you will not see any UI on the device. But don’t think your application is not running or not installed.… Read More »

How to check SDCard free space in ANDROID?

By | April 19, 2011

This is a simple example that shows how many bytes are free in your SDCard. Inorder to run this example, you have to create an SDCard and start the emulator with the SDCard. Now create a fresh project and name it “FreeSpaceActivity.java” and copy the following code to it. The main.xml file AndroidManifest file Please… Read More »

SQLiteManager plugin for eclipse

By | January 9, 2017

When you are working on an Android application that stores data in a SQLite database.There arise many questions like where does this database file get stored on the filesystem ? How can we access the database? I will give solution to all these problems. I created the SQLite database from my previous post about Using… Read More »

How to use SQLite in ANDROID, A really simple example.

By | August 23, 2012

Hello ANDROID Lovers…….. In today’s tutorial I will show you how to deal with SQLite Databases in ANDROID. You know that SQLite are Lightweight databases which is maintained only on the client side. They don’t need a server. The SQLite databases are simply a file wrapped around with some stuff which helps us deal with… Read More »

How to use progress bar dialogs and custom Dialogs in ANDROID?

By | April 15, 2011

Hi, In most situations we have to use progress bar dialogs, Alert View Dialogs and Our own custom Dialogues in our applications. In most situations the built in dialogs may be enough but in certain other situations we have to build our own dialogs for better user experience. But still there is problem people don’t… Read More »

Applying a shape to xml in android

By | April 15, 2011

By adding a custom shape we can make the layout more attractive. For this we have to create a xml file and specify this in the main layout xml file First make a xml inside the drawable folder. Then in the main file specify this shape like this. The “category” is the name of the… Read More »

Simulating a call or SMS in your ANDROID Emulator – A simple Method

By | April 14, 2011

Hello all….. I have already covered this in another tutorial (click here for that post), but there I didn’t mention this method of simulating a call or SMS in android emulator. Let’s see how to do this… First start your emulator. Wait until it is Home. Then in Eclipse go to DDMS perspective. Look at… Read More »