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How to trigger a Symbian C++ application within a J2ME application for Nokia phones using J2ME API?
Category : C & C++ & C#

Anyone knows how to trigger a Symbian C++ application using any J2ME API call? I have a J2ME application that needs a customized photo taking application in Symbian C++. The reason for separating into two applications is because J2ME has a limit in heap size and the J2ME needs to know the path of photo after taking it.

Thanks a lot for your help.


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How to make this: J2ME encrypt C# decrypt And J2ME decrypt C# encrypt?
Category : C & C++ & C#


string keystr = "0123456789abcdef0123456789abcdef";
string plainText = "www.bouncycastle.org";
RijndaelManaged crypto = new RijndaelManaged();
crypto.KeySize = 128;
crypto.Mode = CipherMode.CBC;
crypto.Padding = PaddingMode.PKCS7;
crypto.Key = keystr.ToCharArray().Select(c=>(byte)c).ToArray();

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Qt or j2me is better?
Category : Programming Languages

I am planning to do some development for Nokia Devices. Can someone tell me which to use between Qt framework and j2me?

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TAGS : j2me better

En/decrypt between php and j2me app
Category : PHP

I have a Blackberry app (j2me) the encrypt data and sends it to a server, to a php page, and back again. For the app I use lcrypto-j2me-147 (Bouncy Castle) and mcrypt for the php part. The problem is that they are encrypting the same text and producing different results. Thus the two can't send encrypted data to one another.

My test system:
PHP code:


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how to get UUID in j2me?
Category : Programming Languages

in java we can get UUID from class ie UUID.randomUUID().toString()

how to get UUID in j2me ?

is there any function or class which provides it ?

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TAGS : UUID j2me

Encode GIF in J2ME
Category : Programming Languages

I have an Image object in J2ME and I'd like to enconde it to GIF.
I've already found a JPEG and PNG encoder as well, but I'm wondering if it's possible to encode my Image in the GIF format, returning it's byte array.

I'm doing something like this:


Image img = Image.createImage(width, height);
Graphics graphics = img.getGraphics();

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TAGS : Encode J2ME

j2me networking
Category : Programming Languages

I am producing a basic j2me application that collects gps information and then sends it out over a wireless network.

It seems like I need a thread to read GPS and a thread to send the data over the network. This seems like a producer/consumer pattern with some sort of queuing mechanism on teh consumer side that will allow the data to be held if the connection is not available.

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TAGS : j2me networking

j2me no of threads
Category : Development Tools & Services

I am developing a j2me map based application. Screen is divided into a grid of images and I have to request these images from a server. This can be threaded. What is the maximum no of threads that I can spawn in a j2me midlet? Is there a way to arrive at this no?

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TAGS : j2me threads

j2me HttpConnection
Category : Programming Languages

am creating a J2ME application which connects/accesses some php Files in a remote server using j2me(HttpConnection). due to some network problems at times the connection block for a long period of time. how would i create a thread to try the connection given a timeout of 10seconds. if the connection doesnt respond within the 10seconds the thread waits for another 5 seconds and retries again. th

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Compression in J2ME
Category : Programming Languages

Are there any OSS compression libraries (gzip) available for J2ME?

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TAGS : Compression J2ME

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