Tuesday Sep 29, 2009

Mobility Tech Tip: Simple Strategy for Logging and Monitoring of MIDlets

On-device debugging isn't useful when your MIDlet is running on a client's phone. This tech tip presents one approach for developers who want a fast and simple way to debug their apps remotely in real environments. Take a look.

Wednesday Apr 22, 2009

Discovering Devices and Sending Files via Bluetooth in Java ME

Learn how to create a MIDlet that will search for Bluetooth-enabled devices and services, and then allow the user to send a simple note to one of the found devices. Read the tech tip.

Monday Mar 23, 2009

New Core Tech Tip: Overhauling the Java UTF-8 Charset

In Overhauling the Java UTF-8 Charset, Sun engineer Xueming Shen talks about why the UTF-8 charset implementation in JDK 7 now rejects non-shortest-form UTF-8 byte sequences. Two words: security and performance.

Friday Nov 07, 2008

Mobility Tech Tip: Asynchronous Communications With Java ME and SIP, Part 2

In this tech tip, Bruce Hopkins uses a Session Initiation Protocol (SIP) proxy and the REGISTER method type to provide a simple yet scalable solution for sending messages asynchronously from one application to the other, when one SIP device is behind a firewall. Learn more.

Monday Apr 21, 2008

New Mobility Tech Tip: Asynchronous Communications With Java ME and SIP

In this Mobility Tech Tip, Bruce Hopkins shows two MIDlets that employ the SIP protocol and JSR 180 API (part of the MSA standard) to communicate asynchronously, complete with source code. Read the tech tip.

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