[brailleblaster] Re: Why Java
- From: Alex Jurgensen <asquared21@xxxxxxxxx>
- To: brailleblaster@xxxxxxxxxxxxx
- Date: Thu, 4 Nov 2010 22:27:40 -0700
Hi,
I understand that Cocoa is not C, but I also understand that an application
coded in Cocoa and Objective-C can use C libraries just fine.
Regards,
Alex,
On 2010-11-04, at 10:12 PM, Sina Bahram wrote:
> Coco is not c, it's coco. Different languages/syntax.
>
> Almost all phones these days, in the class of device we've been discussing,
> have 512mb of ram. I'm not seeing how the 32mb jvm
> instance is problematic.
>
> Also, memory usage is not directly proportional to battery life as that
> memory needs to be receiving constant voltage anyways, if I
> remember how ram works correctly. On the other hand, the power draw from the
> processor is a huge deal. We've already discussed ways
> in which, in the long run, the processor is doing an equal amount, if not
> less, with bytecode runtime optimized languages such as
> java.
>
> Take care,
> Sina
>
>
>
>
>
>
>
>
>
>
>
> ________________________________
>
> From: brailleblaster-bounce@xxxxxxxxxxxxx
> [mailto:brailleblaster-bounce@xxxxxxxxxxxxx] On Behalf Of Alex Jurgensen
> Sent: Friday, November 05, 2010 1:06 AM
> To: brailleblaster@xxxxxxxxxxxxx
> Subject: [brailleblaster] Re: Why Java
>
>
> Hi,
>
> I am more concerned with teh memory requirements of these devices.
>
> And in the case of the iPad, if all of the core code is done in C, then you
> just need to do the UI in Cocoatouch, which is what you
> would need to do anyways.
>
> Regards,
> Alex,
>
>
> On 2010-11-04, at 9:41 PM, Sina Bahram wrote:
>
>
> Let's take iOS, Android, and Windows Mobile 7 into consideration then.
>
> iOS pretty much requires coco for almost every single API hook; which
> means that c won't do you any good, only objective c
> which
> uses Apple bindings.
>
> Android is written in java; thus, java's no problem on there.
>
>
> Windows Mobiel 7 prefers .net, namely SilverLight, for all UI related
> hooks and functionality; thus, c will do you no good
> on there;
> however, I've heard nothing about java being banned from WM7, which
> actually means there's potential.
>
> Now, if we examine the tablet market, the iPad is the only iOS device.
> Ok, fine, no java there, at least not easily, but no
> straight
> up c either.
>
> On the other hand there are tens upon tens of android tablets coming
> out, all of which will have built-in jvm's ready to go.
>
> In the windows space, tablets run windows XP or Windows 7, tablet
> edition, not windows mobile 7, which means java is no
> problem on
> there either.
>
>
> Just adding up the pros and cons, in terms of java availability versus
> not, I'm getting way more pros in the java column.
>
> Take care,
> Sina
>
> ________________________________
>
> From: brailleblaster-bounce@xxxxxxxxxxxxx
> [mailto:brailleblaster-bounce@xxxxxxxxxxxxx] On Behalf Of Alex Jurgensen
> Sent: Thursday, November 04, 2010 10:48 PM
> To: brailleblaster@xxxxxxxxxxxxx
> Subject: [brailleblaster] Re: Why Java
>
>
> Hi,
>
> Take for instance the non-Intell Linx machines and the iPad.
>
> See my last message about memory requirements, as these have a greater
> impact on battery performance of smaller systems.
>
> Regards,
> Alex,
>
>
> On 2010-11-04, at 6:10 PM, qubit wrote:
>
>
> What devices? smart phones? I think whatever device that supports a
> screen reader that is capable of handling the
> interface of brailleblaster (which I'll call bb) should be supported.
>
> --le
>
> ----- Original Message -----
> From: Alex Jurgensen <mailto:asquared21@xxxxxxxxx>
> To: brailleblaster@xxxxxxxxxxxxx
> Sent: Thursday, November 04, 2010 6:46 PM
> Subject: [brailleblaster] Re: Why Java
>
> Hi,
>
> Thank you for the quick response.
>
> Don't these libraries have C equivalents? The C equivalents may not be
> as advanced as their Java counterparts, but I
> am sure that this is a better long-term goal.
>
> This still does not address the issues of devices that do not support
> Java.
>
> Regards,
> Alex,
>
>
> On 2010-11-04, at 3:45 PM, qubit wrote:
>
>
> Perhaps because there are java libraries available that are tempting to
> use as a
> base? As for Apple and Microsoft, the java runtime is not being
> supported by them any longer, but third parties may still
> develop
> such support to be distributed with java programs.
> Any other things I have missed?
> --le
>
>
>
> ----- Original Message -----
> From: Alex Jurgensen <mailto:asquared21@xxxxxxxxx>
> To: Brailleblaster@xxxxxxxxxxxxx
> Sent: Thursday, November 04, 2010 2:25 PM
> Subject: [brailleblaster] Why Java
>
> Hi All,
>
> I mention this now, at the relative beginning of the project, so as to
> avoid unnecessary work.
>
> Why are we using Java and not writing most of the code in C, with a
> true, native UI on top, such as
> WX-Widgets for C. Because the code would not need to be exicuted in a
> virtual machine, we would avoid many of the slowdowns
> associated with Java.
>
> We must also think about embeded devices, where the overhead of Java is
> either too much for hte
> battery to tolleratte acceptably or there is no Java Virtual Machine
> available.
>
> Furthermore, both Microsoft and Apple have dropped support for Java
> within their Operating Systems,
> it doesn't seem to make sense to continue coding in Java because we may
> one day soon need to rewrite all of our code to
> aadapt to a
> whole new class of machines that don't have Java Available.
>
> I feel that if we write the core of our code into C libraries, we
> should be able to bring about new
> UI's, such as a Cocoatouch UI for IOS devices, OR an QT UI for Nokea
> and Intel's new project.
>
> Just my two cents.
>
> Regards,
> Alex,
>
>
> Alex Jurgensen,
> VoiceOver Trainer,
> ASquared21@xxxxxxxxxxxxxxxxx
>
> Visit us on the web at: www.vipbc.org <http://www.vipbc.org/>
>
>
>
>
>
>
> Alex Jurgensen,
> VoiceOver Trainer,
> ASquared21@xxxxxxxxxxxxxxxxx
>
> Visit us on the web at: www.vipbc.org <http://www.vipbc.org/>
>
>
>
>
>
>
> Alex Jurgensen,
> VoiceOver Trainer,
> ASquared21@xxxxxxxxxxxxxxxxx
>
> Visit us on the web at: www.vipbc.org <http://www.vipbc.org/>
>
>
>
>
>
>
> Alex Jurgensen,
> VoiceOver Trainer,
> ASquared21@xxxxxxxxxxxxxxxxx
>
> Visit us on the web at: www.vipbc.org <http://www.vipbc.org/>
>
>
>
Alex Jurgensen,
VoiceOver Trainer,
ASquared21@xxxxxxxxxxxxxxxxx
Visit us on the web at: www.vipbc.org
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