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Index › Programming Questions & Help › Other Libraries › Bluetooth question

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Bluetooth question (Read 521 times)

Renne

Bluetooth question
Dec 12^th, 2007, 2:56pm

Hello all, quick question.

I've been looking at the bluetooth possibilities but I'm not a pro so I'm having a hard time understanding exactly what is or is not possible. So before I start to make a trillion test versions I just have this really small question.

I want to send a file from my mobile phone to my Mac via Bluetooth. Is it possible to write a program that can understand when this is happening and also read the file name of what I'm sending?

It sounds simple to me but I couldn't quite figure it out on my own.
Thanks in advance,
Renne

poliph

Re: Bluetooth question
Reply #1 - Dec 13^th, 2007, 10:06pm

It is possible, and depending on what kind of file you are sending(image-text...), you can write it as bytes or strings from one device to another and then use the saveBytes() or saveStrings() method to save it on its new destination. This library gives you what you need:

http://www.extrapixel.ch/processing/bluetoothDesktop/examples.html

Check the image transfer example.

If you need to send a file without loading it into processing, it is also possible:

http://www.ibm.com/developerworks/java/library/wi-boogie1/index.html

Hope it helps,

extrapixel

Re: Bluetooth question
Reply #2 - Dec 14^th, 2007, 10:35am

hi,

it really depends on what exactly you wanna do. It's possible to send files with the bluetoothDesktop library. Like poliph said, you need to send it as bytes and convert them back into a file once it's received. this does not let you read the files name & stuff (you'll need to send it as a separate string, if you really need that info).

BluetoothDesktop does not support OBEX-push yet. OBEX-push is the bluetooth file-sending option you probably know from your mobile phone (e.g. picture->send->via bluetooth on SE phones). So, in practice this means you need to have a custom application on your mobile phone (Mobile Processing examples can be found on the bluetoothDesktop website). This, however is not suitable for many applications (let's say you want to let everybody to send images to your sketch, also poeple that don't have the mobile-app installed).

There is a workaround that just came to my mind. This would work on mac, probably on windows too: in OS X the bluetooth utility can be configured to accept all incoming files over bluetooth automatically. So, just check the in-folder in regular intervalls to check if there are new received files and import them using the standard processing methods.

if you told us more about your particular application, we could give you more of a "yes or no" answer Wink

http://www.extrapixel.ch

mselby

Re: Bluetooth question
Reply #3 - Feb 25^th, 2009, 4:48pm

Hi,
Is it still the case that the library doesn't support OBEX push? My code recognises the service "OBEX Object Push" on my device(http://www.polaroid.com/pogo/gb/), but then throws a list of errors and doesn't go any further.

If so is there a way of automating, or controlling Vista's Bluetooth File Transfer Wizard from within processing?

Thanks.

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