track app recieve the location from anther app using pubnub google services and sign in with google plus here i use google plus for sign in , using google services to show my own location and google map to see the recived data using pubnub real time database that's app is subscribe for getting the data from the publisher app (Sender)
technology :
pubnub https://www.pubnub.com/
google plus signin https://developers.google.com/identity/sign-in/android/
google services (map , location) https://developer.android.com/google/index.html
the other app repository link https://github.com/Hazemhabeb/MyApplication