This is a Demo for people who is looking for integration of Yelp. You will need to apply your own sandbox credential from Yelp developer website. Then you need to fill out the credential into Myapplication. Also, This Android App contains google service, you will also need to get your own google map credential and put it into manifest file.
For yelp webservice connection, a third party library is using here: Scribe-1.3.5. This is a third party library which simplify Oauth2.0 for major webservice.
android support v4 and v7 library are also needed here in this application.