ActionBarCompat: java.lang.IllegalStateException: You need to use a Theme.AppCompat

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If you are extending ActionBarActivity in your MainActivity, you will have to change the parent theme in values-v11 also.
So the style.xml in values-v11 will be – 

 <!-- res/values-v11/themes.xml -->
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
    <style name="QueryTheme" parent="@style/Theme.AppCompat">
    <!-- Any customizations for your app running on devices with Theme.Holo here -->
    </style>
 </resources>

EDIT: I would recommend you stop using ActionBar and start using the AppBar layout included in the Android Design Support Library

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