Volley seems not working after ProGuard obfuscate

Question

I have an Android app which uses Google Volley as my download broker. I just tried to use ProGuard to obfuscate the code, and find out the volley download starts failing at

Answer 1

The Apache logging library uses some reflection on its log factories. Keeping their names should be sufficient:

-keep class org.apache.commons.logging.**

Side-note on your configuration: -keep class ..... always implies -keep interface ....., so you can leave out the latter.