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java.lang.NullPointerException Exception details are logged in Window > Show View > Error Log

The following classes could not be instantiated:

- android.support.v7.internal.app.WindowDecorActionBar (Open Class, Show Error Log) 
- android.support.v7.internal.widget.ActionBarContextView (Open Class, Show Error Log) 
- android.support.v7.widget.Toolbar (Open Class, Show Error Log) 

See the Error Log (Window > Show View) for more details.

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  • 1
    please can you add your xml file? Commented Apr 19, 2015 at 16:36
  • possible duplicate of Android xml rendering issue in eclipse? Commented Apr 19, 2015 at 17:05
  • post your complete log cat.. Commented Apr 19, 2015 at 17:59

1 Answer 1

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Go to File > Invalidate Caches/Restart. This should help your IDE restore the cache since this is just an issue with the renderer. Worked for me for the same exception.

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