android studio java.lang.NoClassDefFoundError Gson

Question

I\'ve made pretty much a fresh project. I added in the gson library by google to my projects /libs directory and added it as a library. I also adde

Answer 1

Had the same issue. What I did was gradle clean and then build my project with gradle from console. In my build.gradle gson dependency looks like this:

dependencies {
    compile 'com.google.code.gson:gson:2.2.4'
}

Answer 2

Something went wrong in incremental build system. One of this should help:

1. Menu Build -> Rebuild project
2. Delete folder /build
3. Close Android Studio, delete /build folder
4. Right click on your project -> "Open module settings" -> Dependencies tab -> check if Export is checked for your library

Answer 3

I'm using Android Studio. and in my case, gradle clean and/or Rebuild project didn't work. I had to uninstall the current SDK (in my case: 22) that was supposed to be corrupted and then reinstall it. After doing this, the project restarted to compile and run. Hope it can help someone.