I\'ve been working a bit with Android Studio on OSX 10.7.5 and it looks very promising. I\'ve run into a problem when trying to launch an application on my device however.>
I found the problem when I using the genymotion. At last, I realized the problem is that the adb location is not the same as the android studio. So you should update the adb of your genymotion.
The step: Genymotion settings -> ADB -> Use custom Android SDK tools