Hands on Android Development

First touch on Android development. 

First series of Android Development log.

Desktop Environment : Ubuntu 12.04 LTS, Android Development Tools 22.6.3, Android Developer Tools 22.3.0.
Device : HTC Butterfly, Android 4.3 (Jelly Bean).

Unable to update sites on ADT

Solution : remove sl4j.jar related from <java library>

Device not detected in ADT

Enable debug mode on device. Quote from android developer official site :

Note: On Android 4.2 and newer, Developer options is hidden by default. To make it available, go to Settings > About phone and tap Build number seven times. Return to the previous screen to find Developer options.