Android Studio is installing old apk on device

Question

I am developing an Android app using Android Studio (0.89 Build #AI-135.1404660, Built on Sept 3,2014) using both emulator and Nexus 4 device.

I had the same issue w

Answer 1

Google thinks it is a feature, not a bug

https://code.google.com/p/android/issues/detail?id=156263

Their proposed solution is to copy the apk(s) instead of manipulating the filename, as in e.g.

Copying APK file in Android Gradle project