eclipse - This Android SDK requires Android Developer Toolkit version 23.0.0 or above

Question

I get the following error when I start my Eclipse.

And when I try to update from Help > Install New Software... using the eclipse update link https://dl-ssl.google.com/eclipse/plugin/4.2

It gives me following error:

Cannot complete the install because of a conflicting dependency.
Software being installed: Android Development Tools 23.0.1.1256982 (com.android.ide.eclipse.adt.feature.feature.group 23.0.1.1256982)
Software currently installed: Android Development Tools 22.6.3.v201404151837-1123206 (com.android.ide.eclipse.adt.feature.group 22.6.3.v201404151837-1123206)
Only one of the following can be installed at once: 
ADT XML Overlay 23.0.1.1256982 (overlay.com.android.ide.eclipse.adt.overlay 23.0.1.1256982)
ADT XML Overlay 22.6.3.v201404151837-1123206 (overlay.com.android.ide.eclipse.adt.overlay 22.6.3.v201404151837-1123206)
Cannot satisfy dependency:
From: Android Development Tools 23.0.1.1256982 (com.android.ide.eclipse.adt.feature.feature.group 23.0.1.1256982)
To: overlay.com.android.ide.eclipse.adt.overlay [23.0.1.1256982]
Cannot satisfy dependency:
From: Android Development Tools 22.6.3.v201404151837-1123206 (com.android.ide.eclipse.adt.feature.group 22.6.3.v201404151837-1123206)
To: overlay.com.android.ide.eclipse.adt.overlay [22.6.3.v201404151837-1123206]

What should I do now?

Answer 1

If you have a conflict with the previous version:

1. Select Help > Install New Software
2. Click on already installed
3. Select all Android software on version 22.*
4. Click on Uninstall
5. Work with: https://dl-ssl.google.com/android/eclipse/
6. Select Developer Tools and Next
7. Next, Accept the license agreement and Finish.

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EDIT : This trick is probably no more necessary!

Try to upgrade your SDK tools to 23.0.2+ and build&platform tools to rev 20 before.