It is necessary to implement a response to an incoming call, the same button. In versions of android 4+.
12 freelancers are bidding on average $171 for this job
Hello, I've read your description and would like to apply to help make what you need. I have experience with this type of stuff in Android and can finish them fast and for a agreeable price.
I can work well and communicate with others to contribute to team efforts. In all that I do I would strive to advance the company, and I feel that my previous work experience proves that.