I got interested in this after I saw SquareUp use the headphone jack on the iPhone to send credit card data. What's the average bandwidth of the headphone jack on the iPhone, average notebook, and average mobile device? Can it be doubled by sending different data streams on the different channels (left/right)? ...
Hey, Does anyone know if you can detect if headphones are plugged into the iPhone, and if they aren't - disable sound from your application. I think I could manage disabling sound, but the detection part I have yet to find anything on. Thanks ...
Hello, I need an event executing when user plugs in/out wired headphones, it made in HTC sense player. android.media.AudioManager doesn't generate an event, it even doesn't return a correct value with isWiredHeadsetOn() How can i know if wired headset plugged or not? ...