error retrieving parent for item theme.appcompat.light.darkactionbar

error retrieving parent for item theme.appcompat.light.darkactionbar. Tried all the method like

• "File->Import (android-sdk\extras\android\support\v7). Choose "appcompat" Project-> properties->Android. In the section library "Add" and choose "appCompat""


• "-In Properties -> Android add the library, but uncheck "IsLibrary”. -In Android -> Project build tarjet check Android 4.0. -In "Java Build Path" -> Order and Export -> Unchecked the .jar library -Finally do a “Project -> Clean” both projects "


• You should reinstall your Android Support Library by Android SDK Manager to get the complete android supportV7 library. The mediarouter library project dependency on the appcompat library project. So,after you have finished Step 1, you can follow Android Support Library v7: Error retrieving parent for item to fix this problem.

Still the error is not going...what would be the reason.help me upon this guys