Category Archives: ANDROID

Apply Custom Theme for your activity in android.

By | February 5, 2012

In today’s tutorial I will show how to apply custom theme for your activity in android. Android has several built in themes for applying to your activity but you can also provide your own custom themes for your activity. Now we will start creating an activity with a custom theme applied. Create a fresh project… Read More »

Show Alert in cocos2D Android.

By | February 4, 2012

Here is a simple example showing alert in android cocos2D. For this I am using an example from my previous android cocos2D tutorial.. So please read that tutorial before reading this because the I am using the classes and files from it. I am only changing the Gamelayer.java file to show an Alert Dialog when… Read More »

Changing the style or theme of default alertDialog in Android.

By | February 3, 2012

Hello everyone, Here is a simple example showing how to change the theme of default AlertDialog in android. Check this post before for understanding how to use styles. http://www.coderzheaven.com/2012/04/17/inherit-styles-extend-styles-android/ To start first create a fresh project named AlertTest. In the AlertTestDemo.java file copy this code Now create a file named “styles.xml” inside the res/values folder… Read More »

Central aligning the default message text in AlertDialog in android.

By | January 30, 2012

Hello all.. Today I will show you how to align the message text to center in an AlertDialog. By default it is left aligned, so we have to get a reference to it to align it to center.This is how we do it. Please leave your valuable comments on this post.

Saving TextFile to SDCARD in android?

By | January 29, 2012

Hello android lovers, In today’s tutorial I will show you how to 1. Create a text file and save a textfile in your SDCARD in your preferred path. 2. Read the contents from the same file and show it in a TextView. For writing a file we use the FileWriter class and for reading the… Read More »

Android removes the need of Menu button from devices with ActionBar.

By | January 28, 2012

Hello all.. The latest development in android is that google has removed the menu button from android, instead they provide something called the actionbar like in the Honeycomb devices. Google introduced the ActionBar class as the standard solution to make actions from the user options immediately visible and quick to invoke The ActionBar looks like… Read More »

Working with SQLite databases through command Line in android.

By | January 23, 2012

Hello all, In todays tutorial I will show you how to work with sqlite databases in android through command line. Advantages 1. You can browse any number of databases. 2. You can write any queries and execute. First go through these tutorials to get a glance of how to work with sqlite databases in android.… Read More »

How to save data or score in Android Cocos2D?

By | January 21, 2012

Hello Friends Today I will show you how to save data in cocos2D android in a database and reload it when the game starts. This has been always a problem withe game developers for cocos2D android. I will show you a way to save almost any number of data in a database using SQlite in… Read More »

Controlling android emulator with keypad.

By | January 16, 2012

Emulator Keyboard Mapping The table below summarizes the mappings between the emulator keys and and the keys of your keyboard. Emulated Device Key Keyboard Key Home HOME Menu (left softkey) F2 or Page-up button Star (right softkey) Shift-F2 or Page Down Back ESC Call/dial button F3 Hangup/end call button F4 Search F5 Power button F7… Read More »

How to encrypt a string in Android Using Base64?

By | January 9, 2012

Please check the LogCat for output. Join the Forum discussion on this post

Single Selection ListView in android

By | January 8, 2012

Hello all….. In today’s post I will show you how to create a single selection list in android. Here is the main.xml Now this line in the java file creates the single choice. setListAdapter(new ArrayAdapter(this, android.R.layout.simple_list_item_single_choice, android.R.id.text1, names)); Now this is the full java code

How to check whether a video has completed playing in android?

By | January 6, 2012

Hello all… Today I will show you how to get notified when a video completes playing in android. PLease check this post for playing a video and the resources. First create a folder named “raw” inside the “res” folder and copy a video inside it. Now copy the xml from this link. For listening to… Read More »

Using WebView to call a function in android java code or How to use a WebViewClient in android?

By | January 1, 2012

Hello everyone Today I will explain how will you call a function that is defined inside the java android code from a webview. For this we need to add a webviewclient in android for the WebView we are adding in the xml. Then we have to register the webviewclient with the WebView we are creating… Read More »

Image transition animation in Android

By | December 29, 2011

Hello all… I have shown a lot of examples of animations in android. Today I will show you how to show an image transition animation between two images. For that you have to create an xml named “expand_collapse.xml” inside the res/drawable folder. The contents of “expand_collapse.xml” are Now in the main.xml place an imageView to… Read More »

How to create a custom layout for your camera in Android?

By | December 28, 2011

Hello everyone, Today’s example shows how to create a custom layout for your camera preview, that is if you want a custom layout while your camera is opening. This example helps you to achieve this. First create a fresh project and name it CameraCustomLayout and copy this code to CameraCustomLayout.java file. After that create an… Read More »

How to install an APK into your device or emulator through command prompt or shell.

By | December 27, 2011

In this post I will show you how to install an apk on to the emulator or the device through the shell or command prompt. Before experimenting with this post I assume that you have these done 1. Installed the Android SDK. 2. Added the adb path to the environment path. This is how you… Read More »

Parsing an XML from Online in Android

By | December 25, 2011

In the previous example I showed how to parse an xml that is stored in a file in res/xml folder. In this post I will show you how to parse an xml that is stored in a server in an xml file. Here I am using an xml that is stored in here Here is… Read More »

Android 4.0 IceCream Sandwich Cool features

By | December 24, 2011

Android 4.0 is here and it is completely different from its predecessors. The rate at which android is growing is unbeleivable. Students earning computer forensics degrees need to be aware of all different systems, so they should learn about these features. These are some of the features. 1. Refined, evolved UI 2. Home screen folders… Read More »

Parsing XML in Android a simple example

By | December 24, 2011

This is a simple example showing how to parse an xml in Androi. In this method the xml file is stored in res/xml folder. First create a folder named “xml” inside the raw folder. Then create an xml file named test.xml and copy the contents into it. This is the XML file we are going… Read More »