(android) No Class Def Found Error For Com.loopj.android.http.asynchttpclient

I've added the following (http://loopj.com/android-async-http/) to my /libs folder and have also put it in the module settings as a library and ticked the export button. In the act

Solution 1:

In Android Studio, you have to add your jar into the lib folder, add the dependency into the build.gradle file and call gradlew clean from console. The gradlew is in your project directory.

Check this thread for more details: Android Studio: Add jar as library?