Android | All About Web & Mobile Application Development

How to Select and Crop Image on Android

Sometimes when creating an Android app that includes user profile picture or avatar, we need to include a feature that enables users to select and crop image to update their profile picture. On Android...

How to Use Foursquare API on Android Application

This is my second post about using Oauth enabled API on Android. This time i’ll try to explain how to use Foursquare API V2 within Android application. I built my own Android implementation for...

Android Coding Tips: How to Create Options Menu on Child Activity inside an ActivityGroup

Android ActivityGroup is a screen that contains and run multiple embedded child activities. It works just like a normal Activity but on ActivityGroup, we can create multiple child activities and the...

How to Post Twitter Status from Android

While developing one of my Android application, i found it was hard to find a good and simple tutorial on how to integrate Twitter into Android app. There are some external java libraries over the net...

How to Enable Multitouch on Samsung Spica

Samsung Spica users may have been happy since genius Gabriel-LG from samdroid.net made a patch to Spica’s kernel to enable multitouch support a week ago. The patch now is available in latest...

How to Create Custom Window Title in Android

When building an application, sometimes we need to create a custom window title to suit our needs and make our application differs from others. There are two approaches to create custom window title,...

How to Create QuickAction Dialog in Android

[Update 15/07/2011] I have updated the quickaction implementation code so it can be used more efficient and the dialog will be automatically dismissed after pressing the action item. All the source codes...

How to Use Android ADB Command Line Tool

Android Debug Bridge (adb) is a tool that lets you manage the state of an emulator instance or Android phone. ADB is bundled with Android SDK package that can be downloaded from Android SDK download...

How to Create Android Update Zip Package

There are several ways to install applications or library files to an Android Phone. You can use Market application to find and install or adb command line tool to install or push the files to Android...

How to Sign Android APK or Zip Files

When publishing an application or a custom rom you need to sign the .apk or .zip files with a certificate using a private key. The Android system uses the certificate to identify the author of an...