Its a basic activity which has a calculator and sql lite in it ....which helps for android beginners

Visual studio2013的相关文档，比较实用，也不厚，全英文，这种风格的有一套，各种编程语言如android,matlab,F#,GIS,Javascr ipt,MonogoDB,R,SQL,jQuery等，简单易学，容易快速上手，-it is a series of books designed for newcomers, so simple that we could learn it with less time, which is good for our further s

Bluetooth usage package demonstrating how to implement Bluetooth in android