Modify existing android project with Android Studio.
The project is linphone and jabber library for VoIP and chat system.
The application is completed in objective-c so you can translate objective-c to JAVA.
The project has already GUI.
Need skill to modify xmpp class for custom requirement.
May be compile the project linphone (voip) writen in c.
Write push notification on android platform.
Run project with android studio and submit to Google Play Store.
1 month for working to complete.
Working with our engineer by bitbucket source control.