Session 'app': Error Launching activity

Question

After the Android Studio 2.0 update while the gradle build finishes I get this :

Session \'app\': Error Launching activity .

It prevents the app from starting

Answer 1

This is issue with 2.0+ studio

Issue 206036: No local changes, not deploying APK

I found the nice workaround here just add -r flag here in edit configurations and also disabling instant

Waiting to get Instant run Feature run smoothly soon with no type 3 error more!!