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Questions tagged [midlet]

MIDlet is an application that uses the Mobile Information Device Profile (MIDP) of the Connected Limited Device Configuration (CLDC) for the Java ME environment

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NoClassDefFoundError at running Java ME MIDlet

I am new at Java ME platform. I am creating a demo MIDlet poject (IMLETDemo4) at Eclipse Juno 4.2. The project should include eclipse.paho.client.mqtt jar in order to send GPIO pins values to mqtt subscribers. So I installed eclipse.paho.client.mqtt…
ÖMER TAŞCI
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j2me midlet dual thread failed to callback

ok so i got this setup: a midlet Gui extends Midlet{ private static Gui instance; protected void startApp() { Display.getDisplay(this).setCurrent(MyForm.getInstance()); } private static final…
Berty
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J2me multipart/form-data sending java.lang.exception Out Of Memory Error - help needed

I am trying to send image from my midlet to an HTTP server. images are converted into byte and sent to server using http multipart/form-data request format. ByteArrayOutputStream bos = new…
ruben
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Mimic file IO in j2me midlet using RMS

I want to be able to record audio and save it to persistent storage in my j2me application. As I understand j2me does not expose the handset's file system, instead it wants the developer to use the RMS system. I understand the idea behind RMS but…
user434541
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How to hide the only the title bar and not the soft keys in j2ME

How can I hide the title bar (and also the midlet icon) and not the softkeys in j2me midlets? I am creating a midlet which make use of a canvas.the full screen mode hides both titles and soft keys. any ideas?
Elias Haileselassie
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MIDlet as singleton

Is it safe to implement a MIDlet class as a singleton? That is, after all, the Display class is acting like a singleton for each and every midlet so is the midlet itself a singleton by behaviour so that implementing it as such wouldn't break…
Albus Dumbledore
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Sign a midlet with a certificate reply from GeoTrust

i got a .cer file which the request for was made from some other computer. i imported the certificate to my keystore and tried to sign the midlet using jarsign. and got this error: jarsigner: Certificate chain not found for: somealias. somealias…
Ben
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java.io.IOException: Error in HTTP operation

I am from Bangalore-India. I have developed few J2ME applications that involves client/server interaction through HTTP connection. I am testing my application on both the leading operators of the country- Airtel and Vodafone. My Midlet works fine…
Pavunkumar
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Is there an optimum point between saving data in memory and writing it to drive?

I'm developing J2ME application (with SDK 3.4) for my unused J2ME SE Hazel j20i to record GPS data via Location API. neither CLDC 1.1, MIDP 2.1, nor JSR-75 provide java.io.BufferedWriter. So I do it manually. How much do I have to store the GPS…
Keenan Gebze
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J2ME - Midlet invocation type awareness

How can a MIDlet ascertain whether it has been manually invoked or automatically? Thanks!
user425518
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Midlet Timer J2ME Wireless toolkit 2.5.2_0.1 for CLDC

Could some one please tell me whay I cant Built this code? There is something wrong with Gauge but I dont understand what or what I need to change. It show me error when I try to Bulid. Building "Alert01" warning: [options] source value 1.3 is…
Montaa
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J2ME MIDlet appears in Gallery but not in Applications

I've written a MIDlet with J2ME using Eclipse. To test it, I transfer the MIDlet using a bluetooth connection to my Nokia 6131. But the MIDlet (or App) just appears in the phone's "Gallery" folder. How can i move it to the "Applications" folder…
Christian
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Midlet generate code

I have project and want to add some elements by Visual Midlet tabs: Screen, Flow, but fail. Editor don't generate new code and don't add my elements. I can't change it manually(editor area), but can write only in special area: // write post-action…
ExUser
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Error Pre-Verifying class

I am using Eclipse Juno and Jre7. I'm also using Java ME SDK 3.0 and I have tried Java ME 8.1 too. I have all the JAR files I need. The project works in a normal Java Project. But midlet project is creating the problem. So, the problem is not with…
Nivedita Velagaleti
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error when packaging on blackberry JDE

I get these warnings when packaging and of course the application doesnt work on the simulator Warning!: No entry points found Warning!: MIDlet class is not public note that the main class is public. any ideas?
Jack
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