I recently upgraded my android studio from 0.2.6 to 0.2.11. The Build - > \"generate signed apk\" wizard which was opening up in 0.2.6 is not coming up here. Instead it shows a
A temporary fix for your issue is to restart Android Studio. After a cold start, Android Studio will let you access the "generate signed apk" wizard once before again warning you that you have to change your build.gradle.
As Shai mentioned, this will be fixed in a future release. Please see the links in his post.