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Android Debug Bridge (adb) update for 4.2.2

To use adb against android 4.2.2 device one needs updated adb tool. This is now published in raring archive. If you are using quantal or precise, there is a backport published in the usual location of the nexus7-installer.

add-apt-ppa -y ppa:ubuntu-nexus7/ubuntu-nexus7-installer

Here are the instructions about the new adb from the android development website:
When you connect a device running Android 4.2.2 or higher to your computer, the system shows a dialog asking whether to accept an RSA key that allows debugging through this computer. This security mechanism protects user devices because it ensures that USB debugging and other adb commands cannot be executed unless you're able to unlock the device and acknowledge the dialog. This requires that you have adb version 1.0.31 (available with SDK Platform-tools r16.0.1 and higher) in order to debug on a device running Android 4.2.2 or higher.
 -- ADB 
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