Summary

Android comes with some great tools to create and test applications, even if you don't have an Android device handy. That said, there's no replacement for actually touching your application. It's part of what makes Android such a compelling platform, the way it feels and responds (and the emulator just doesn't convey that).

One of the most important tools in an Android developer's arsenal is the resource selection system. With it you can build highly dynamic applications that respond to changes in the devices, and thus, the user environment. Changing the screen layout based on the orientation of the device, or when the user slides out the phone's QWERTY keyboard, lets them know that you've taken their preferences into account when building ...

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