In part 2 of the Android multi-touch series, we start building the sample program introduced in part 1. Excerpted with permission from "Hello, Android! (3rd edition)". All source code can be ...

Welcome to the last installment in the Android multi-touch series! The purpose of this series is to show you how to develop multi-touch programs for Android-based phones, tablets, and other devices.

[Travis Goodspeed] wrote in to tell us about his work reverse engineering the Bluetooth communications on this SPOT module. He’s targeted the post as a general guide to sniffing Bluetooth tra… ...

Android has a built-in feature that lets you use two apps on your screen at the same time, letting you take advantage of all that screen real estate that comes standard on today's smartphones .