I want to send out some customized signals to headset jack output ( 3.5 mm ) instead of music. Is there any high level library (or protocol) for this purpose?
If not , what native android library i must use ?
Regards ...
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I thing your question is answered in another thread http://stackoverflow.com/a/7956506/812598 – GoRoS Mar 28 '14 at 21:30
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@GoRoS :Thank you ! I saw that before.It couldnt help me ... – AmirHossein Rezaei Mar 28 '14 at 21:39