In my car I have my old Android phone as the GPS and music player. I was hoping to use it as a receiver for my calls coming to my other phone and any bluetooth devices around it streaming music. Is there a way to do this? I have searched Google thouroughly.
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How old is it? Android's Bluetooth stack took a long time to mature and it was very limited until a late 2.x version of Android.– staticsanCommented Mar 15, 2012 at 2:56
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Did you find any information about this?– Sebastian RothCommented Jul 18, 2013 at 3:47
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A link for this: forum.xda-developers.com/showthread.php?t=780500 - we are looking for A2DP receiver capability in Android.– Sebastian RothCommented Jul 18, 2013 at 3:51
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Possible duplicate of: android.stackexchange.com/questions/5796/…– Victor SergienkoCommented Feb 10, 2019 at 23:56
2 Answers
Technically it is possible with most Bluetooth Android phones but you would have to root your device and find a ROM with source code like CyanogenMod
and rewrite the Bluetooth driver.
Unfortunately there is still no bluetooth server implementation available for android devices.
The connect as "music player" part of your question could be realized via WiFi, using the SoundSeeder Music Player app (soundseeder.com or forum.xda-developers.com/showthread.php?t=2392672
You need to connect your devices via "WiFi direct" or the portable hotspot of your device. Then you can use your old phone as wireless speaker for your main device. The app also supports google music and online radio stations.