Factbites
 Where results make sense
About us   |   Why use us?   |   Reviews   |   PR   |   Contact us  

Topic: MIDlet


In the News (Fri 1 Jan 10)

  
  MIDlet - Wikipedia, the free encyclopedia
A MIDlet is a Java program for embedded devices, more specifically the Java ME virtual machine.
To write a MIDlet, you can get the Sun Java Wireless Toolkit or NetBeans with the NetBeans Mobility Pack from the Java website, which is available on several platforms and is completely free.
MIDlet distributions also consist of a.jad file describing the contents of the JAR file.
en.wikipedia.org /wiki/MIDlet   (400 words)

  
 The MIDlets class
The MIDlet is designed to be run and controlled by the application manager in the K Virtual Machine (KVM), a stripped-down version of the Java Virtual Machine designed to run on mobile devices.
The MIDlet provides certain interfaces as part of its event handling mechanism so that the application is notified of events and responds to them.
MIDlet to be responsive to commands and is invoked on every screen command action.
www-128.ibm.com /developerworks/wireless/library/wi-midlet2   (2206 words)

  
 ONJava.com -- The Mobile Information Device Profile and MIDlets, Part 3
A MIDlet must have a public default constructor (that is, a constructor that requires no arguments), which may be one supplied by the developer if there is any initialization to perform or, when there are no explicit constructors, the empty default constructor inserted by the Java compiler.
If the MIDlet does none of these things, it is in the Active state and will be allowed to run until it is either paused or destroyed.
MIDlets can also start separate background threads to run code that does not depend on the user interface, or they can use a timer to schedule work periodically, as will be shown later.
www.onjava.com /pub/a/onjava/excerpt/j2menut_3/index3.html   (838 words)

  
 java.net: J2ME Tutorial, Part 2: User Interfaces with MIDP 2.0
Since the interaction with a user is a paramount concern in any MIDlet, due to the size of the screens, it is important for you to understand the basics of this side of MIDlets.
The classes of the low-level group are perfect for MIDlets where precise control over the location and display of the UI elements is important and required.
If your MIDlet is developed using these classes, it may not be deployable on certain devices, because they require precise control over the way they look and feel.
today.java.net /pub/a/today/2005/05/03/midletUI.html   (1221 words)

  
 TWiki . Javapedia . Midlet
A Midlet is a Java application designed to run on Java enabled devices such as cell phones and PDAs.
A Midlet is based on J2ME; it uses the CLDC configuration and the MIDP profile APIs.
By using this midlet everyone can taste the performance of their phone : MIDP and CLDC version, processor speed, RAM size, flash size (RMS), screen capabilities and screen quality, optional APIs (WMA, MMAPI,...).
wiki.java.net /bin/view/Javapedia/Midlet   (147 words)

  
 MIDP Programming with J2ME
MIDlets can be compared to J2SE applets, except that their state is more independent from the display state.
When a MIDlet is loaded into the device and the constructor is called, it is in the loaded state.
Midlet does not provide a command to exit the MIDlet, assuming that the device provides a general method of terminating MIDlets.
www.developer.com /java/j2me/article.php/10934_1561591_1   (1156 words)

  
 Steve Roy, Software Design : MIDlet Runner   (Site not responding. Last check: 2007-11-01)
MIDlet Runner is a little utility that makes it easy to run MIDlets on your Mac, taking advantage of the excellent MIDP implementation for Mac OS X by Michael Powers.
MIDlets are little Java applications written for the J2ME platform, which is itself a version of Java for mobile devices such as phones and PDAs.
The MIDP implementation includes a mobile device emulator which can be used to launch MIDlets, but one has to first launch an X window system such as Apple's X11, and then launch the MIDlet from the terminal.
homepage.mac.com /sroy/midletrunner   (199 words)

  
 MIDlet Signing - All About Symbian Forums
I tested with a 3660 cellphone where the midlet was installed on a server.
The process is described there (http://www.javaverified.com/jvProcess.jsp) and says GeoTrust is the one signing the midlet (once it passes the tests).
MIDlet JAR can be distributed with a suitably populated JAD and run on a MIDP 2.0 compliant device with the appropriate protection domain root certificate
www.allaboutsymbian.com /forum/showthread.php?p=192536   (1065 words)

  
 Learning Path: MIDlet Life Cycle
The description includes the name of the MIDlet suite, the location and size of the JAR file, and the configuration and profile requirements.
The rules for attribute location and lookup are described in the technical tip "Retrieving MIDlet Attributes." The manifest is a key component of the MIDP 2.0 signed-MIDlet model.
You develop the MIDlet suite, perhaps test it in an emulator, then install it using the USB cable and Nokia Application Installer.
developers.sun.com /techtopics/mobility/learn/midp/lifecycle   (2225 words)

  
 MIDlet Specifics   (Site not responding. Last check: 2007-11-01)
When a MIDlet is opened, a new node is added to the Parts tree with the name of the MIDlet.
The MIDlet itself has only one property which can be directly changed by the user: its name.
The destroyApp method signals that a MIDlet is not ready to be disposed by throwing a MIDletStateChangeException; however, this Exception will be ignored if the boolean passed to destroyApp was 'true'.
www.datarepresentations.com /support/docs/midp/compose4.htm   (487 words)

  
 Bug ID: 4726105 TCK: PushRegistry : whether "midlet is MIDlet" check is broken
Parameters: midlet - class name of the MIDlet within the current running MIDlet suite to be launched, when the alarm time has been reached.
The named MIDlet MUST be registered in the descriptor file or the jar file manifest with a MIDlet- record.
While the AMS is removing the transient MIDlet the alarm fires which attempts to launch the MIDlet in the middle of the remove cleanup operations.
bugs.sun.com /bugdatabase/view_bug.do?bug_id=4726105   (318 words)

  
 Beginning J2ME: Building MIDlets - Java World
The example we'll build and run is Jargoneer, a MIDlet that looks up words in the Jargon File, a comprehensive lexicon of hacker slang.
Writing MIDlets is an example of cross-compiling, where you compile code on one platform and run it on another.
In this case, you'll be compiling a MIDlet using J2SE on your desktop computer.
www.javaworld.com /javaworld/jw-05-2005/jw-0502-midlet.html?page=2   (889 words)

  
 Push messages that automatically launch a Java mobile application - Java World
A MIDlet is basically a set of classes designed to be run and controlled by the application management software (AMS) inside a mobile device.
The MIDlet registers a port along with the protocol name in the mobile device such that, if any message arrives in the specified port with the protocol mentioned, the AMS delivers it to the MIDlet.
After the message is delivered to the mobile device, the AMS calls the MIDlet application, which has registered to listen to that particular port and particular protocol.
www.javaworld.com /javaworld/jw-04-2006/jw-0417-push.html   (1135 words)

  
 ONJava.com -- MIDlet Packaging with J2ME
We touched upon installation, configuring the environment, writing a simple MIDlet, as well as compiling, pre-verifying class files, and running a MIDlet on a mobile device emulator.
Although it's not a requirement to place MIDlets inside a Java Archive (JAR) file, this will be the most common means of distributing J2ME/MIDP applications.
The MIDlet Suite is the name given to the entire collection of all files and resources that may be required as part of a MIDlet.
www.onjava.com /pub/a/onjava/2001/04/26/midlet.html?page=1   (510 words)

  
 Java Pro — IDEs for Wireless Java   (Site not responding. Last check: 2007-11-01)
After all, the quantity of source code that comprises a MIDlet is tiny compared with what might make up an enterprise application (which is where the IDE is generally employed).
For example, choose the MIDlet example, and the Whiteboard IDE creates a new slot in the filesystem and pours Java source for a skeletal, generic MIDlet into the specified Java source file.
One extends the MIDlet class (and is therefore the "main" class of the MIDlet); the other extends Form and implements the CommandListener interface.
www.fawcette.com /wireless/rgrehan/default_pf.asp   (4825 words)

  
 midlet.org - wireless java downloads
MIDlets are applications designed to run on wireless Java enabled devices such as phones or PDAs.
Our mission is to provide a high quality site for the provision of free MIDlets to the wireless java community.
If you are a software developer and would like to make your MIDlets available on midlet.org, please e-mail them to, or contact us at, info@midlet.org
midlet.org /index2.jsp   (109 words)

  
 EclipseME - New Midlet
When this parameter is selected, the newly created midlet will automatically be added to the project's application descriptor with default information.
The midlet information may be further refined by accessing the JAD Editor.
If you do not select Add to Application Descriptor, or if you create the MIDlet class manually, you must use the JAD Editor to enter the details for the particular MIDlet so that it is properly registered as part of the MIDlet suite.
eclipseme.org /docs/createMidlet.html   (213 words)

  
 EclipseME - Adding JAR Files to a MIDlet Suite
This category of JAR files contain functionality that allows a MIDlet to interact with hardware that is part of the phone or other mobile device onto which your MIDlet will be installed.
In the second place, a MIDlet that contains native hooks should fail the mandatory preverification step that is part of the deployment process.
If, when you try to run your MIDlet in the emulator, particularly in OTA mode, you get complaints about illegal classes, this may be a sign that you have incorrectly added a Hardware JAR to the system as if it were an Application JAR.
eclipseme.org /docs/advJarFiles.html   (1431 words)

  
 ♫ The vOICe MIDlet for Mobile Camera Phones + Talking Color Identifier
The implementation of The vOICe MIDlet for MIDP-2.0 and MMAPI compliant devices is on the edge of what is technically possible with the devices that are currently available on the market, especially with respect to limitations in processing power and poor loudspeaker quality.
The vOICe MIDlet may similarly be used to locate and orient print for subsequent OCR analysis (optical chacacter recognition) from camera views once sufficiently reliable OCR engines become available for handheld devices.
User reports indicate that The vOICe MIDlet runs OK on at least the Nokia 3600, 3650, 3230, 6600, 6620, 6630, 6670, 6680, 6682, 7610, 9500 and Sony Ericsson K700i, K750i.
www.seeingwithsound.com /midlet.htm   (4925 words)

  
 Packaging the MIDlet   (Site not responding. Last check: 2007-11-01)
After testing the compiled MIDlet, the next step is to package the MIDlet so it may be run on an actual MIDP device.
A description for the MIDlet may be entered in the Description field; the default ToDo is fine for this test.
The other MIDlets in the list will not be added to the Jar file by default.
www.datarepresentations.com /support/docs/palm/tutoria8.htm   (573 words)

  
 GameDev.net -- An Introduction to Developing for Mobile Devices Using J2ME/MIDP (Part 1)   (Site not responding. Last check: 2007-11-01)
You wont have to worry about doing all the compiling and packaging on the command line, but rather you can save this for later when you are comfortable with the environment.
The second field "MIDlet Class Name" is where you define the name of your MIDlets main class.
The String passed to the method is the location of the image within the MIDlets jar file.
www.gamedev.net /reference/programming/features/j2me1/page3.asp   (3577 words)

  
 Push Your MIDlets to Do a Lot More with MIDP 2.0 PushRegistry
The boolean parameter indicates if the caller is interested in all connections associated with this MIDlet suite or just the connections with input available (i.e., the input from the inbound connection that caused the AMS to start the MIDlet).
The difference, however, is that the MIDlet associated with an Alarm is started at a certain point in time, rather than in response to network activity.
The MIDlet is not allowed to run until the user responds to the prompt.
www.devx.com /wireless/Article/20154/0/page/4   (1249 words)

  
 Accessing native methods from a Midlet -> a powerful workaround
This workaround is especially interesting for people with an existing Midlet, who want to port it to another Phone Model.
Especially if the Midlet is large and only one or a few native functions are in the way.
Symbian, at least, seems to be quite enthusiastic about the whole thing because there's going to be a Whitepaper released on the topic soon (which is already finished).
forum.java.sun.com /thread.jspa?threadID=617976   (2634 words)

  
 NetBeans Mobility Pack 5.0 Quick Start Guide   (Site not responding. Last check: 2007-11-01)
The device emulator launches the MIDlet and displays the text you entered in the source code.
The IDE enables you to create client MIDlets that can connect to Web services either through a direct "two-tier" architecture, or a "three-tier" architecture that connects to Web services through a middleware Web application.
The Java ME client, mapping file and the MIDlet are generated under the Java ME project.
www.netbeans.org /kb/50/quickstart-mobility.html   (2680 words)

  
 CIOL : Java Tutorials : Add data storage capacities to your MIDlet apps   (Site not responding. Last check: 2007-11-01)
An overview of J2ME RMS and MIDlet interfacing is given in Figure 1.
When a MIDlet uses multiple threads to access a record store, it is the MIDlet's responsibility to coordinate this access; if it fails to do so, unintended consequences may result.
The MIDlet implements the RecordFilter interface, defining a filter that examines a record to see if it meets application-defined criteria.
www.ciol.com /content/search/showarticle1.asp?artid=38774   (1557 words)

  
 Substance of Code » Car Manager MIDlet
You can also examine the automaticly generated report that will calculate average consumption and total values from your entries.
Midlet is designed to be used on all devices that support Java MIDP 1.0 applications.
Screenshots have been taken from Sony Ericsson Z800 emulator but application works on all devices that support Java J2ME MIDP 1.0 profile.
www.substanceofcode.com /software/car-manager-midlet   (331 words)

  
 MIDlet jar signing (a tutorial) Revised - David Hayes
It's been a long time since the original MIDlet jar signing (a tutorial) and it's about time I collated all the feedback into a revised tutorial.
The interesting part however is that I can successfully sign the midlet using any of the same WTK GUI interfaces - they add the second certificate correctly.
I have 2 such files, and for 1st one there is no any rights for unsigned midlets, but for 2nd there are some rights.
www.spindriftpages.net /pebble/dave/2006/06/18/1150641917692.html   (3178 words)

  
 MIDlet jar signing (a tutorial) - David Hayes
The client was quite adamant about having all MIDlets signed before they would put them up on their portal, but in the end only most Nokias, a couple of Sony Ericssons and Samsungs plus the Moto Quads could be done owing to absent certs on the rest.
However, even if the certificate "may not" be trusted, my understanding is that when you run your midlet it should be considered trusted since the user has opted to install the certificate.
I m using J2ME WTK to sign the midlets with "Verisign class 3 certificate",I have tried it earlier it was working well,But it is creating me problem now and when I m downloading that file it says "Installation security error unable to install".
www.spindriftpages.net /pebble/dave/2005/06/20/1119275880301.html   (8341 words)

  
 CS683: Doc 20, MIDlet UI pt 2
Doc 20, MIDlet UI pt 2 Slide # 6
Doc 20, MIDlet UI pt 2 Slide # 13
Doc 20, MIDlet UI pt 2 Slide # 14
www.eli.sdsu.edu /courses/fall04/cs683/notes/midletui2/midletui2.html   (654 words)

Try your search on: Qwika (all wikis)

Factbites
  About us   |   Why use us?   |   Reviews   |   Press   |   Contact us  
Copyright © 2005-2007 www.factbites.com Usage implies agreement with terms.