By Michael Yuan
This e-book is helping skilled Java builders to construct high-value cellular purposes that reap the benefits of firm IT infrastructures. It additionally is helping builders so as to add mobility positive factors to current firm suggestions. It doesn't repeat an analogous easy J2ME/MIDP API instructional coated through many different books.After a accomplished research of the panorama and developments of the J2ME platform, the publication makes use of the resource code of a number of award-winning, genuine global purposes to demonstrate the layout, structure and most sensible practices of end-to-end shrewdpermanent cellular strategies. The comparability of competing software paradigms may well turn out useful to architects.Then the booklet specializes in 4 most crucial company software components: Converged messaging (email, IM, cellular P2P in addition to firm messaging middleware); information administration (mobile and backend relational databases), ubiquitous integration (mobile net companies) and complicated defense (J2ME cryptography). The e-book covers greater than 30 advertisement and open resource instruments from over 10 top proprietors (including IBM, Oracle, sunlight, Sybase, Enhydra and masses more). The distinctive research support builders to decide on the precise instruments. Over three hundred code listings from pattern purposes (available for obtain from the booklet website) are used to demonstrate the appliance designs, coding strategies and third-party software usages. this can be a must-have ebook for firm cellular builders and designers.
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Extra resources for Enterprise J2ME. Developing Mobile Java Applications
It provides default event handlers for the services it tracks. Part II: End-to-End Enterprise Applications 59 60 Part II: End-to-End Enterprise Applications The ServiceTracker object can be instantiated with a ServiceTrackerCustomizer object. When a service in the tracker is added, modified, or deleted, the appropriate method in its associated ServiceTrackerCustomizer is called. 4. 5. 6. 7. EchoSerivce Part II: End-to-End Enterprise Applications 63 64 Part II: End-to-End Enterprise Applications Limitations of the Bundle State-Change APIs Note that when we exit the EchoFrame UI, it merely disposes the UI window but does not stop the underlying bundle.
Properties file points to the correct bundle directory. bundledir=jarbundles 4. Now we can start the SMF console using the following command (in one line) or its equivalent on the device platform. SMFLauncher -console "launch" For my PocketPC device with IBM WebSphere Micro Environment preinstalled, I use the following command (in one line). Please refer to the Appendix B for the steps to install the IBM J2ME runtimes on PDA devices. SMFLauncher" -console "Launch" After the SMF console is started, it loads all currently installed bundles into the container and presents the user a command-line interface for management tasks.
Imagine the hassle if the student has to manually enter a username and password for every class survey she uses. Another benefit of the single sign-on scheme is that it separates the user identity from the surveys she completes. The professor sees only anonymous survey results. That encourages students to tell the truth. 3 Real-World Deployment iFeedBack is a prototype application that is designed to sell to universities rather than to individual students. The backend services are deployed into the university IT infrastructure: The single sign-on services should be linked with the existing electronic ID systems; the class surveys could be integrated with existing campus-wide course Web sites, such as the blackboard system.