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I was going through the bluedroid architecture and how it works and all those stuffs here. I wanted to know whether we can use bluedroid stack instead of bluez in raspbian. If its possible how can it be done since bluedroid does not support dbus?

  • Presumably bluedroid is an android application, what makes you think it would be a drop in replacement on Linux? Are you running Android on your Pi? – Steve Robillard Jul 12 '17 at 6:03
  • Hi @Steve. I'm not using android in my Pi. From what I understood from this article, Java is used near the application layer and JNI is used to convert the calls to native C function calls. Hence the lower layers are implemented in C. That's why I was curious to know whether somehow it can be used in Pi/Linux. Please correct me if I'm wrong. – Mahesh Mohandasan Jul 13 '17 at 4:11
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    We have ported the complete bluedroid to Linux. It requires customizing the HCI layer for Linux, customizing the thread's. It is quite a big work. We have spent few months to get it working in Linux. Let me know if you are interested still, I can share you the details further – Ashok Babu May 22 '18 at 15:17
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It is quite different between those two bluetooth stacks I don't see anyone porting bluedroid to raspberry even someone porting it to rpi you still need applications to let it work

There is a new version of bluedroid, called fluoride, and it could be compiled on a linux/ubuntu distro. But it does not fully ready for end-user usage (maybe for chromebook?) event you compile it on ubuntu, you still need bluetooth applications to use those bluetooth features They can NOT run with bluedroid/fluroide bluetooth stack https://android.googlesource.com/platform/system/bt/

android and linux are different. although android uses the linux-kernel and it changes a lot things. application and standard libraries are different android has java blueooth application to some feature, like radio-on, file-sending... it use a lot android framework feature and it is not effective to porting whole android framework to rpi It needs a lot of work to re-write those application/GUI

bluedroid does not use dbus, it use apache license, donated to google by broadcom company

if you are a end-user, you may buy a cheaper cellphone or use a android-x86 to use bluedroid if you are interesting with bluedroid as a developer, you may start to check bluetooth stack specification as a start

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