How to fix Proguard issue with Google Drive REST API

Question

I\'m using the Google Rest API v3 to connect my android app to Google Drive. When I run without Proguard (minifyEnabled=false), all is well. However, when I enable proguard

Answer 1

You need

-keep class com.google.** { *;} 

and

-keep class com.fasterxml.** { *;}

Also you might try to keep less from the SDK. These rules are very wide.

Edit: Wide rules means that it probably will keep more unused classes in your project hence the apk size and method count will be bigger.