What EXTRA=true does when building with the Makefile is that it adds in the .o files generated by the .c files in Pure-data/extras to the prerequisites for the library and links them in. In practice, if you can add the .c files in extras/ so that they get compiled and linked in by your project you will be fine.I believe if you move them all in the src/ folder, this will probably work just fine. The files in extra/ are no different in principle from the ones in src/, they are only stored separately for historical reasons afaik.
Giulio

On 23 Jun 2017, at 04:35, Alexandre Torres Porres <porres@gmail.com> wrote:

I just use Android Studio, it has its own environment and scheme, so I followed the tutorial by rafael fernandez. This issue is more about using libpd inside android studio then building libpd for android. Not sure if this makes sense or is in fact true, but it's how I see it.

Seems I have to do something in the code on my project that I don't know and all I find on the internet seems to be outdated

cheers

2017-06-22 23:17 GMT-03:00 Giulio Moro <giuliomoro@yahoo.it>:
I have no idea how you build libpd for Android (I also assume that you are building it yourself).

When I build it for Linux I do something like:

`make EXTRA=true <<other options>>`

that flag `EXTRA=true` makes sure that the extras are compiled and linked into the `libpd.so` file.
I hope the above can be somehow translated into the system you are using to build libpd for Android.

Best,
Giulio

From: Alexandre Torres Porres <porres@gmail.com>
To: Giulio Moro <giuliomoro@yahoo.it>
Cc: "pd-list@lists.iem.at" <pd-list@lists.iem.at>
Sent: Friday, 23 June 2017, 3:10
Subject: Re: [PD] using bob~ with libpd for android

> I think you need to make libpd with EXTRA=true or something

sorry, I'm really a dummy in this field, I need more detailed steps, information

thanks

2017-06-22 21:54 GMT-03:00 Giulio Moro <giuliomoro@yahoo.it>:
I think you need to make libpd with EXTRA=true or something like that in order to include the extras in the libpd library file without need for extra files.
Or at least that's how it works on linux/mac, no idea about android.

Just double check in the build log that bob~.o actually gets compiled and linked in.

Giulio

On 23 Jun 2017, at 01:33, Alexandre Torres Porres <porres@gmail.com> wrote:

Hi, I'm testing the usage of externals with libpd, sarting with the ones that come with Pd, like [bob~].

I'm using libpd for android. I'm on a MacOS Sierra, and using Android Studio's emulator. I made it through Rafael's tutorial https://www.youtube.com/watch? v=cinOFA1pT1k&list= PLn3ODBv0ka5hS5areRFSTi2aydPMi Uq3B - I got a simple patch that turns on by a switch. The emulator uses a Nexus 5 API 24, x86 architecture. So now I just have another simple patch with [noise~] going through [bob~] that I wanted to try and make it happen. 

So, [bob~] is an extra, and you don't get it by default in libpd, so it seems. I checked around, and was able to compile pd's extra as .so files. In my projects PdCore I got a libs folder with all these compiled externals for armeabi / armeabi-v7a / x86! The binary for bob seems to be "libbob_tilde.so". But having this is not enough for loading it and playing it... what else am I missing?

I also did try using PdBase.addToSearchPath  in my code in MainActivity.java, I got the idea that would do it, but it didn't, here's how I tried it.

private void initPD() throws IOException{
    int sampleRate = AudioParameters.suggestSampleR ate();
    PdAudio.initAudio(sampleRate, 0, 2, 8, true);

    PdBase.addToSearchPath("/ Users/porres/Desktop/ LearningLibPd/HelloPd/PdCore/ libs/x86");

    dispatcher = new PdUiDispatcher();
    PdBase.setReceiver(dispatcher) ;
} 

cheers
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