Introducing ViewPropertyAnimator

[This post is by Chet Haase, an Android engineer who specializes in graphics and animation, and who occasionally posts videos and articles on these topics on his CodeDependent blog at graphics-geek.blogspot.com. — Tim Bray]In an earlier article, Animation in Honeycomb, I talked about the new property animation system available as of Android 3.0. This new animation system makes it easy...

ADK at Maker Faire

This weekend is Maker Faire, and Google is all over it.Following up on yesterday’s ADK post, we should take this opportunity to note that the Faire has chased a lot of ADK-related activity out of the woodwork. The level of traction is pretty surprising giving that this stuff only decloaked last week.Convenience LibraryFirst, there’s a new open-source project called Easy Peripheral Controller. This is a bunch of convenience/abstraction code; its...

A Bright Idea: Android Open Accessories

[This post is by Justin Mattson, an Android Developer Advocate, and Erik Gilling, an engineer on the Android systems team. — Tim Bray]Android’s USB port has in the past been curiously inaccessible to programmers. Last week at Google I/O we announced the Android Open Accessory APIs for Android. These APIs allow USB accessories to connect to Android devices running Android 3.1 or Android...

Android 3.1 Platform, New SDK tools

As we announced at Google I/O, today we are releasing version 3.1 of the Android platform. Android 3.1 is an incremental release that builds on the tablet-optimized UI and features introduced in Android 3.0. It adds several new features for users and developers, including:Open Accessory API. This new API provides a way for Android applications to integrate and interact with a wide range of accessories such as musical equipment, exercise equipment,...

Commerce Tracking with Google Analytics for Android

[This post is by Jim Cotugno and Nick Mihailovski, engineers who work on Google Analytics — Tim Bray]Today we released a new version of the Google Analytics Android SDK which includes support for tracking e-commerce transactions. This post walks you through setting it up in your mobile application.Why It’s ImportantIf you allow users to purchase goods in your application, you’ll want...