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The Android™ Developer’s Cookbook: Building Applications with the Android SDK, Second Edition by Nelson To, Ronan Schwarz, James Steele, Phil Dutson

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D. Android OS Releases

This appendix summarizes the different OS releases and main features that are important to developers.

Cupcake: Android OS 1.5, API Level 3, Released April 30, 2009

Image Linux kernel 2.6.27

Image Smart virtual (soft) keyboard, support for third-party keyboards

Image AppWidget framework

Image LiveFolders

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