Yesterday I updated my eclipse but after restarting it, it did not work , all my projects are giving me errors , I used help > check for updates , but it gave me there were no updates found !! and it keep giving me a message needs to update the ADT to 22.0 or higher version ? I tried to install new software but it didn't work . Please help me with this issue . Thanks
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What version of ADT do you have installed? – ingh.am May 30 '13 at 09:35
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"all my projects are giving me errors" is a useless description of your symptoms. That being said, try http://stackoverflow.com/questions/16596969/libraries-do-not-get-added-to-apk-anymore-after-upgrade-to-adt-22/16596990#16596990 – CommonsWare May 30 '13 at 09:42
4 Answers
The new ADT 22.0 updates somethings in the SDK manager.
You will have to update twice. The first time to update the SDK manager, the second time to update the things that need the new SDK manager to be installed.

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I had exactly the same problem this morning. If your Android SDK is up to date, go in Eclipse -> Help (in the top menu) -> install new software. In the "Work with" field, select
Android Developer Tools Update Site - http://dl-ssl.google.com/android/eclipse/
Uncheck the "Contact all update sites during install to find required software" option, and click Next until finished. It worked like a charm for me!

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Try this:
In Eclipse goto:
Help->About ADT->Installation details
click on Android Development Toolkit -> and then update

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Open SDK Manager and update the packages with "Tools" in the name (open it twice to be sure, it seems "Build Tools" doens't appear till you have r22)

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