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Which j2me Phone should I buy ?

Vivek Viswanathan
Ranch Hand

Joined: Mar 03, 2001
Posts: 350
Hi
I am thinking of getting a J2me based Mobile phone, all that I have looked for is Nokia phones
http://www.nokia.com/java/products.html
and I am thinking of going in for Nokia 7650, it has got a load of features, but I dont know have detailed information about the j2me memory etc, and other j2me stuff that I have to look into while purhasing a j2me based phone....any ideas.

Does any one have a list of all j2me currently in the market, or any new ones that are soon to hit the market by the end of this year.
thanx
Vivek


Vivek Viswanathan SCJP 1.2, SCJP 1.6,SCJD,SCEA,SCWCD,IBM-484,IBM-486,IBM-141,Ms.NET C# 70-316,SCMAD, LPIC-I
a sanjuan
Ranch Hand

Joined: Jun 12, 2002
Posts: 164
Here's the list of j2me devices so far:
Wireless Devices (j2ME)
if you're in the usa, the only choice right now (before sprintpcs later this year) is Nextel. I have th i50sx, works fine, not too expensive for development work.
Vivek Viswanathan
Ranch Hand

Joined: Mar 03, 2001
Posts: 350
Hi
I am in london I feel that I have a bit more choice over here since Nokia is launching some new phones in a few months time...specially Nokia 7650. I know I can write programs using the toolkit, how differnt it is writing code for the actual mobile phone ?

Vivek
a sanjuan
Ranch Hand

Joined: Jun 12, 2002
Posts: 164
i think the Nokia's over there use PersonalJava?
the nextel phones can only handle MiDLets. I've installed various apps i tried on emulators to the real phone, and they all work fine. i'd say one possible difference is the fact that the nextel phones are a heck of a lot less powerful than the emulators that i use (sun wireless toolkit emulators), so i pay attention to the VM speed in the emulator and set it to what the phone actually can handle to get a better feel for how fast an app will run on a real phone.
in fact. here's my phone with blazing boards running:
nextel phone
it's black and white, but i'll probably get some higher powered color phone soon.
Vivek Viswanathan
Ranch Hand

Joined: Mar 03, 2001
Posts: 350
Hi
Impressive phone, you were telling me somting about configuring the emulator to be close to the actual working of the phone. where do u get the information about Virtual Machine in the actual phone.

Just out if interest, what kind of program are you writing for u'r phone ?
Vivek
a sanjuan
Ranch Hand

Joined: Jun 12, 2002
Posts: 164
hi:
the speed emulation is done mostly for seeing how fast images are drawn to the screen. i "set" the speed by comparing a looped canvas drawing running on the emulator to one running on the actual device. seems to work ok, but it ain't accurate by far. Note that Sun notes in the emulator that it was not meant to accurately depict an actual device in terms of speed emulation (I do know the i50sx runs on 4 MIPS processor at 16.8 MHz).
of more concern is the heap size, which is 256 kb in the i50sx. this comes into play with the dreaded Out Of memory error. i make sure to set the heap size of the emulator to this size.
try out the 1.04 beta toolkit, it's pretty cool.
Baruch Sadogursky
Ranch Hand

Joined: Apr 09, 2002
Posts: 62
Vivek, you can read about Nokia's policy about J2ME applications in their phones at Java page of Nokia forum.


Regards,<br />Baruch.<p>SDFWOF<br />FGEHWS<br />FNEVGE
Majid Khan
Ranch Hand

Joined: Oct 02, 2000
Posts: 92
Hi Vivek Its good to se u back at the ranch.
I would suggest u should go for Nokia 9XXX series .
M
Vivek Viswanathan
Ranch Hand

Joined: Mar 03, 2001
Posts: 350
Hi
I dont think I will be going in for the 9XXX phone, since I intend to use it like a phone....and the 9XXX will be to big, I rather go in for 7650, but it dosent seem to be comming in the london market, though 7650 is also quite big, you cant make out the size since Nokia never shows the relative size.

Vivek
a sanjuan
Ranch Hand

Joined: Jun 12, 2002
Posts: 164
here's the new beauty from motorola/nextel:
http://www.time.com/time/2002/tech/cellphones/coolest.html
color j2me phone!
Debbie Argulkar
Ranch Hand

Joined: Jul 26, 2002
Posts: 43
Hi,
Here is one more link you might like:
http://www.microjava.com/devices
 
I agree. Here's the link: http://aspose.com/file-tools
 
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