This appendix covers

■ Using the adb tool to install and remove applications

■ Using keytool and jarsigner

■ Publishing applications to an android device

■ Getting an application ready for distribution

After you get a handle on writing Android applications and working with the emulator, the next step is to digitally sign and install those applications on an actual device. Putting your applications on an actual device allows you to perform rigorous testing and lets you see practical results. You also have a bit more capability on an actual device (you can switch IP network types, use Bluetooth, use the real camera, and so on), so it is of course the first step on the road to publishing your

application to a broader audience. In this appendix we provide concise information about how to get your applications ready for release and how to work with a real device to sign and install applications.

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