Android Studio: Installation failed since APK was not signed

Question

I am attempting to run my app in an emulator and have been receiving the following error:

Installation failed since the APK was either not signed, or

Answer 1

This problem can be resolved by below two ways

1. Change Built Variant to debug
2. Define your application`s signingConfigs

First solution works when you built your application in debug mode. But, once you are ready to publish your application on Google Play store you need to go by second way.

Read for more -> Sign Your App

Hope this will help one and all!