They are most probably listening for a broadcast intent that is sent when the headset is plugged. This feature can be added to PhoneEvents. Still it will not allow you to find the current state of the headset (if the headset was plugged before your application has started).
They are most probably listening for a broadcast intent that is sent when the headset is plugged. This feature can be added to PhoneEvents. Still it will not allow you to find the current state of the headset (if the headset was plugged before your application has started).