Embedded Section Index | Page 8
Unfortunately, Sun doesn't make these available online. You have to download the Java Card Development Kit and generate these yourself. Another option is to just download the Java Card 2.1.1 API S...more
Sun has released an implementation of the J2ME Mobile Information Device Profile (MIDP) for the PalmOS. Sun's MIDP for PalmOS is available from: java.sun.com/products/midp4palm I also main...more
The J2ME Connected Limited Device Configuration (CLDC) 1.0 spec does not require implementation of reflection or collection classes from J2SE. You can access the spec from the CLDC homepage, at: ...more
The MIDP specification requires any sort of protocol or connection support to be implemented using the J2ME CLDC Generic Connection Framework. The MIDP spec specifically requires all implementat...more
The WBMP (Wireless BitMaP) image format is specified as a part of the WAP Forum's Wireless Application Environment (WAE) specification. The WAE specification is available for download from the ...more
HTTP client connections are supported by the J2ME MIDP specification and also by PersonalJava APIs. For more information, please refer to the specs linked to from their respective homepages at...more
No, the MIDP 1.0 APIs specify the application programming model for data-based applications. The MIDP specification does not specify any functionality for handling voice streams. For more inf...more
Why do I get a ConnectionNotFoundException when trying to open a connection using the J2ME CLDC Connector class?
You are attempting to open a connection whose protocol is not supported on your particular device or emulator. Please note that while the J2ME CLDC specification outlines the Generic Connection...more
"CLDC" is the J2ME Connected Limited Device Configuration. You can learn more about it at http://java.sun.com/products/cldc/.
"MIDP" is the Mobile Information Device Profile. For specific information on what it is, see http://java.sun.com/products/midp/.more
Are there any MP3 decode or playback facilities provided to programmers via the J2ME CLDC and MIDP APIs?
There are no built-in MP3 or other decode/playback functions required by the J2ME CLDC or MIDP specs for Java-based handsets. Manufacturers could optionally implement this themselves and provide ...more
No, not built-in, anyway. You would have to use some other mechanism (say, a Socket plus some of your own logic) to open a connection from the device to a proxy somewhere, which could use JDBC i...more
The J2ME Connected Limited Device Configuration (CLDC) does not support floats or doubles. Given that many of the devices implementing the CLDC do not have hardware support for floats/doubles, t...more
The PalmOS Emulator's ROM transfer program is designed to work with devices made by Palm, Inc. This transfer tool may not work correctly with PalmOS-based devices made by other manufacturers, sin...more
For both size and security reasons, JNI is not supported by the J2ME CLDC. Information on the J2ME CLDC security model and additional details related to this are available in the CLDC specifica...more