Merge Android new code into existing code now

Budget:20$, Should start the job now. Please apply only if you are a full-time freelancer. More tasks coming up. Need to have a minimum of 5 years experience in Android background services and development. 1)Need to integrate new code into existing code. 2)Need to send battery level to existing store location web service, need to pass battery variable to web service. 3)Need to connect to devices and start handler(new code has a button) so that we can see all existing values onto start/stop screen, change the background image on start/stop screen. 4)Should not disconnect till its disconnected. 5)Move all existing new code to existing code. 6)Need to have bitbucket account so that code can be pushed and pulled easily. This is 2 hrs job, you have to merge both codes, make it work, send the code to test and then release payment. Should be done in Android studio and make sure existing functionality do not disturb at all. More tasks coming up.