I am trying to add support for bluetooth devices like headsets/headphones/car stereo to my android app which allows user to make SIP/VoIP calls. I am trying to mostly address the requirements of Answering and Ending of calls using button on bluetooth headsets, other buttons/features handling is good to have.
With the search I have done and all the text I have read so far, I have come across the following-
ACTION_AUDIO_STATE_CHANGED
. But this doesn't really helps me. Intents for it are sent every time the button on Bluetooth headset is pressed And also when we start the ring tone on bluetooth headset.If anyone has done such things, I think the problem I am facing is not an uncommon one, I just believe it is not documented well. Any pointer, approach, link would be appreciated.
I will try to add more info as I find any or any other approaches I try. Please ask for details if you need any more on the solutions I have tried. And please suggest changes instead of just flagging the question. Thanks in adv.
Sorry about the late post. I was able to find a solution for this issue. It is not simple fix.
You need to use ConnectionService from Android telecom framework. Check out this link here & here. After this your VoIP calls will have cellular call like treatment.
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