AIR for Android: Streaming audio data won't stop unless I quit....

I write an application (AIR-Android with Flash Builder) which can play internet radio stations (streamed audio in mp3).

When I want to stop the stream like myChannel.stop() / mySound.close(); the sound is stopping but the stream is still loading (I can see it with a network monitor app).

Streaming audio data won't stop unless I quit the application or I switch my connection from WIFI to 3G or from 3G to WIFI.

I do not have this problem with Air for Mac and IOS.

How can I solve this problem ?

Bernard