I am currently working on a car security system....
I need to produce DTMF tones via the headphones of the phone that makes an input to the external digital circuit. Is there any API to do this? Canany one helpm....
Thanks in advance...
I am currently working on a car security system....
I need to produce DTMF tones via the headphones of the phone that makes an input to the external digital circuit. Is there any API to do this? Canany one helpm....
Thanks in advance...
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I got the Answer....Its very simple....
http://developer.android.com/reference/android/media/ToneGenerator.html