This problem may the end of me. I have a red "!" over my project. I have learned this is a build path error. This is what comes up in the problems log.
missing required Java project: 'appcompat_v7'
missing required Java project: 'appcompat_v7_2'
is missing required library: '\Copy of appcompat_v7\libs\android-support-v7-appcompat.jar
is missing required Java project: 'appcompat_v7_3'
is missing required library: '\appcompat_v7\libs\android-support-v4.jar'
I have tried cleaning, restoring, quickfix--> adding libraries, ect please help.