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Multiple dex files define Landroid / support / v7 / app / ActionBar $ DisplayOptions

My project does not show errors. Although, when I launch the application, it says fix the error before launching the application. When I looked at the Console tab, he said

    [2015-07-10 19:50:26 - Dex Loader] Unable to execute dex: Multiple dex files define Landroid/support/v7/app/ActionBar$DisplayOptions;
[2015-07-10 19:50:26 - NavigationDrawer] Conversion to Dalvik format failed: Unable to execute dex: Multiple dex files define Landroid/support/v7/app/ActionBar$DisplayOptions;

I tried to find a solution, but did not get it.

this is what i have for my support libraries.

Order and Export

Libraries

Please, help. I'm stuck here. Thank you in advance.

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2 answers

You have added the same library several times, try deleting it to get only one (android-support-v7-appcompat.jar).

I suggest removing the last (bottom) and the first (top).

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, Android, , , erroes. AndroidStudio, IDE, - .

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