Solve Google Drive 401 error for Android release builds

[qyzhaojinxi]

Please add following proguard text required in your docs and demos:

#Fix OAuth Drive API failure for release builds
-keep class * extends com.google.api.client.json.GenericJson { ; }
-keep class com.google.api.services.drive.* { *; }
-keepclassmembers class * { @com.google.api.client.util.Key ; }

No Thanks!

[erpriyesh]

Please add this following line of code in you proguard-rules.pro

-keep class com.google.api.services.drive.model.** { ;}
-keep class * extends com.google.api.client.json.GenericJson { ; }
-keep class com.google.api.services.drive. { *; }
-keepclassmembers class * { @com.google.api.client.util.Key ; }

[qyzhaojinxi]

thank you. I have no idea if they have add this to their docs and demos. I had been stucked for a long time last year.