Android full time dev needed now to fix issues

Budget:15$,please do not apply if its more than 15$.Need 5 years of experienced Android developer who can work with retrofit and handlers. 1)Fix lock/unlock UI similar to start/stop,code is already there ,hold the status till its confirmed, use existing progress bar, user should not be able to click till process is confirmed, call ride_info api. Need to disable multiple hits for lock/unlock ,should not be able to click continuously,should not flicker,should have great button effects. Have to change to Button ,currently its image view. You have to fix flow,all functions are there already. 2)Update battery level on pointers from API,code is already there, you have show variable from API on pointer. 3)Payments screen,total balance is not updating after payment is successful from payment gateway. You should have patience during work and test it. You should have bitbucket to push/pull code so that we can test it from our side. More tasks will be given after this job is completed by freelancer.