Java Tips, Tricks & Code
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This section contains tips, tricks and code samples for creating J2ME applications for Sony Ericsson phones. Tips specificly addressing Mobile Java 3D development have been gathered under the Mobile Java 3D Tips, Tricks & Code section. You will find PersonalJava (pJava) and Java Native Interface (JNI) tips tricks and code under the Symbian OS Tips, Tricks & Code section.
January 2005 December 2004
Image optimization in more ways than one
December 2004
November 2004 Hardware Java acceleration with Jazelle
November 2004
Handling repeated key presses in MIDP 2.0
November 2004
Full-screen canvas and D-pad enhance the user experience of MIDlets
November 2004
Compliments of DataMirror: JDBC access for J2ME MIDP based Java applications
October 2004
Designing your MIDlet for JavaVerified
Using JAD file to configure screen size on V800
How to make a winner - Tips from Sony Ericsson Game Developers Challenge 2004 jury
September 2004
Dividing big MIDlets into two parts
September 2004
Designing horizontal mode games for the S700 series
September 2004
Working with Commands on P910i full screen Canvas
September 2004
Game ideas and common genres
September 2004
Getting started with games development
August 2004
Full canvas on Sony Ericsson P910
August 2004
Application using platform request
July 2004
Localizing your MIDlet
June 2004
Image memory handling on K700
June 2004
MP3 sound effects on Sony Ericsson K700
May 2004
Fade in and out images in MIDP 2.0
May 2004
Serializing an image in MIDP 2.0
May 2004
Adding cryptographic to your MIDlet
May 2004
Reduce the size and secure your MIDlet with an Obfuscator
May 2004
Optimization of Z1010 image handling
April 2004
Graphic memory on the Z1010
April 2004
Sorting the records from the RecordStore
April 2004
Taking snapshots with the Z1010 camera
April 2004
Opening the phonebook with Java
April 2004
Importing data to a MIDlet
March 2004
Z1010 supports CLDC1.1
March 2004
Display a Java splash screen
March 2004
How the UI callbacks use threads
March 2004
Controlling game effects with the Layout Manager
February 2004
T610 key events handling - a hot Java Forum topic
February 2004
Larger canvas size and access to restricted API's
February 2004
Forum tip of the month: Optimizing the T610 device emulator
February 2004
Make your Java games go global
February 2004 Running MIDlets in flip-closed mode
February 2004
Is ServiceRepaints() really a blocking call?
January 2004
Deadlock drawing in Java applications
January 2004
Use OTA for PushRegistry in MIDP 2.0
January 2004 Optimize method signature in MIDlets for performance
December 2003
Using PushRegistry with SMS Communication
December 2003
BluePad - a Bluetooh Based Sketch Board for P900 Phones
December 2003 Controlling Bluetooth Mini Race Car from the P900
December 2003
Reading System Properties in MIDlets
December 2003
Compliments of Sumea: Java Optimization Tips & Tricks
November 2003
Using GameCanvas in MIDP 2.0
November 2003 Command Handling in MIDlets on T610 and Z600
November 2003
Class Headlines
November 2003
Paddleball - Simple "Pong" Type Game
November 2003 Scribble Drawings on the P800/P900 Screen
November 2003
Collecting News Headlines Over the Internet
November 2003
How to Optimize Loops in Java MIDlets
November 2003
Avoiding Memory Fragmentation
November 2003
RealtimeClock in J2ME Applications
November 2003
PlayAudio - Demonstrating the MIDP 2.0 Media API and MMAPI (JSR-135)
November 2003
InfoTest - Querying the Supported Media Types and Protocols (MMAPI)
October 2003 How to Make a J2ME MIDlet Sleep (all Sony Ericsson J2ME devices)
October 2003
RecordStore in J2ME MIDlets
September 2003
J2ME Networking with the MicroGraph Application
September 2003 How to Reduce Jerky Animations and Delayed Sound Playback When Using the MMAPI on the Sony Ericsson T610 and Z600
September 2003
Avoid Connection Problems with Your Java Applications on the T6xx and Z600 devices
August 2003
Optimization of Speed and User Experience on J2ME devices with the Dancer Application
August 2003
Understanding Networking in CLDC
August 2003
Understanding Record Management System in J2ME
July 2003
How to configure Sun ONE Studio Community Edition to Execute and Debug Personal Java Applications in the UIQ Emulator
July 2003
Image Sizes and Transparency on the T610
July 2003
Recordstore Size Information for the T6xx and Z600 devices
June 2003
Launching Applications from Java on the Sony Ericsson P80x and P90x
May 2003
How to create a Java MIDlet using a simple Hello World example
May 2003
Implementing a high level graphics ticker in J2ME/MIDP applications
May 2003
Approximating floating point values using integers in J2ME/MIDP applications
May 2003
Improving performance on constant multiplications in J2ME/MIDP applications
May 2003
Handling List events in commandAction() - J2ME/T610 specific
May 2003
Debugging a P800 application using Palm Reporter
May 2003
Using sine and cosine math calculations in J2ME/MIDP applications
May 2003
Efficient RMS data management in J2ME applications
April 2003 Basic Mobile Media API snippet (Audio) for the Sony Ericsson T610
April 2003
Writing a J2ME application that adapts to the screen size
April 2003
How to handle interruptions such as incoming calls on Sony Ericsson J2ME devices
April 2003
Using images on the Sony Ericsson T6xx and Z600 devices
April 2003
Key handling on the Sony Ericsson T6xx and Z600 devices
March 2003
Fast stream reading in Java
Fast iterating through an array or vector in Java
February 2003 Ensure correct HTTP response code handling for your Java app
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