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Recording midlet with save function

 
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Im making a midlet that records audio and saves it to phone's file system. I get the application to run in emulator but when in phone (Sony Ericsson V800) i immediately get error Cannot create a DataSource for: null. Here is the code i'm trying to get to work: (i tried to change the file:///test.wav to file:///e:/test.wav but it didn't help. Also i got a version of this code without the save function but it doesn't work in phone either, it just says error.


So here's the code:
 
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