Can't Select Device for debugging

Question

I have updated my android version from 4.1.1 to 4.2.2 on google Nexus 7, (Worked Perfect Before)After that unfortunately i can't debug my App anymore,i can see my device on "Android Device Chooser" page but i can't select it, and ok button is not Active. my minsdk version is 12 and in that page written that "Select a device compatible with Target android 3.1"!.i'm developing on Motodev Studio, i'm working on this for hours but i don't know what causes this issue ,any help would be appreciated

Answer 1

According to this post

there were some packages missing, which weren't shown in the Android SDK Manager,so after reload on Sdk manager and installing missing packages my problem had been solved!