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David Janes  
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 More options Jun 30, 7:57 pm
From: David Janes <davidja...@gmail.com>
Date: Tue, 30 Jun 2009 19:57:42 -0400
Local: Tues, Jun 30 2009 7:57 pm
Subject: BlackBerry development question
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Yeah, I know what group this is but a few of you have programmed for the BB
;-)

I'm trying to make a BlackBerry app & I want to include a lot of data with
it that will be on "disk" or whatever the hell it is a BB has. For example,
I need to read a JSON file shipped with the app.

Do you have any idea:

- how it should be properly added to Eclipse?
- how it can be read

I've tried using Connector, but it's not evident after some experimentation
what file://... URL I should be using. I don't even really know what the
correct terminology for talking about this is.

Regards, etc...
David


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Blake  
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 More options Jul 1, 2:57 pm
From: Blake <bwin...@latte.ca>
Date: Wed, 1 Jul 2009 11:57:05 -0700 (PDT)
Local: Wed, Jul 1 2009 2:57 pm
Subject: Re: BlackBerry development question
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On Jun 30, 7:57 pm, David Janes <davidja...@gmail.com> wrote:

> Yeah, I know what group this is but a few of you have programmed for the BB
> ;-)

Hey, some of us are trying to forget that period of our lives.  ;)

> I'm trying to make a BlackBerry app & I want to include a lot of data with
> it that will be on "disk" or whatever the hell it is a BB has. For example,
> I need to read a JSON file shipped with the app.

If you're shipping it with the app, then it should be in the app's jar
file.  (It looks like there's also a file system of some sort, but I
don't think that'll be populated when you install the app, so you
should just stuff it in the jar file.

> Do you have any idea:
> - how it should be properly added to Eclipse?

In theory, you can just drag and drop it into the source folder.

> - how it can be read

Here's what I use.  It's the standard/best practice, so I don't think
it's covered under any NDA/license.
[...]
  JSONObject root;
  public SampleApplication()
  {
    InputStream stream = getClass().getResourceAsStream( "/res/
samplefeed.json" );
    int length = 10240;
    byte[] bArray = new byte[length];
    StringBuffer data = new StringBuffer();
    while ( (length = stream.read( bArray )) != -1 )
    {
      data.append( new String( bArray, "UTF-8" ) );
    }
    root = new JSONObject( data.toString() );
  }
[...]

See also http://www.blackberry.com/developers/docs/4.5.0api/java/lang/Class.ht...

> I've tried using Connector, but it's not evident after some experimentation
> what file://... URL I should be using.

It looks like the Connector stuff is for files you store on an CF
card.

http://www.blackberry.com/developers/docs/4.5.0api/javax/microedition...
suggests that you should be using "file:///CFCard/newfile.txt"  (Note
the empty hostname between the second and third slashes. :P )

> I don't even really know what the correct terminology for talking about this is.

That all seemed understandable to me.

Later,
Blake.


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