I can definitely recommend Jackson. Performance is stellar and it's easy to use.
It does make your APK a bit bigger (in our case, about 20% of the APK size comes from Jackson) so if you're only going to be parsing very little JSON, you can still make do with JSONObject.
It does make your APK a bit bigger (in our case, about 20% of the APK size comes from Jackson) so if you're only going to be parsing very little JSON, you can still make do with JSONObject.