Issues in upgarding to Android Studio v2.3

[miankhalid]

Problem

After upgrading Android Studio to v2.3.x and with it the various libraries, we have been encountering the following error:

Error:Execution failed for task ':OpenEdXMobile:validateSigningDevRelease'.

Keystore file /$HOME/edx-app-android/OpenEdXMobile/edx-android-release-key.keystore not found for signing config 'releasekey'.

Solution

1. Change the build variant to devDebuggable.

2. Following any steps from the ones mentioned below would work:

   • Sync project with gradle files. (Press the Try Again button)

   • Clean the project (Build --> Clean from Android Studio's top menu bar)

   • Adding a gradle.properties file with no content at the root of project i.e. under the OpenEdXMobile folder with nothing in it also solves this problem.

3. Refresh all Gradle projects. (View -- > Tool Windows --> Gradle from Android Studio's top menu bar) [By pressing the blue recycle icon in the snapshot below]

[miankhalid]

Marking this as resolved.