By C Bala Kumar

Adoption of Bluetooth instant expertise has made nice strides within the previous few years. one of many greatest steps forward―the standardization of Java APIs for Bluetooth instant know-how (JABWT)―is defined intimately during this e-book. The JABWT typical, outlined through the JSR-82 specification, helps fast improvement of Bluetooth purposes which are transportable, safe, and highly-usable. instant equipment brands have replied to the JABWT specification by means of asserting cellphones and different items that might run JABWT purposes. Bluetooth program Programming with the Java APIs explains intimately how one can write Bluetooth functions utilizing the Java APIs to use the ability of either applied sciences. Written via the specification lead for JSR-82 and different key contributors within the definition of JABWT, this ebook offers the authoritative factors and urban examples you must start immediately.

About the Authors

C Bala Kumar is a special Member of the Technical employees at Motorola. He chaired the professional workforce that outlined the Java APIs for Bluetooth instant know-how. He at present leads the structures software program workforce for instant platforms in Motorola's Semiconductor items region. Paul J. Kline is a distinct Member of the Technical employees at Motorola and the maintenance lead for the JABWT specification. He at present works at the process software program structure crew in Motorola's Semiconductor items zone. Timothy J. Thompson is a Senior software program Engineer at the approach software program structure crew in Motorola's Semiconductor items zone. He was once the OBEX architect at the JABWT specification team at Motorola.

  • Written by means of experts-the authors led the group that outlined the JABWT average and the Motorola staff that built the 1st JABWT implementation
  • Covers JABWT extensive and is going past the specification to give an explanation for easy methods to use the traditional effectively
  • A valuable source either to Java programmers drawn to Bluetooth instant know-how and to company managers attracted to its power for growing new enterprise opportunities
  • Digs deeply into the programming parts you want to grasp to effectively layout and construct JABWT purposes, together with RFCOMM, OBEX, equipment discovery, carrier discovery, and L2CAP
  • Details the real-world concerns enthusiastic about programming Bluetooth units and imposing the JABWT specification
  • Organized into sections that explicitly deal with the several wishes of programmers, company managers, and venture managers

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Extra resources for Bluetooth Application Programming with the Java APIs (The Morgan Kaufmann Series in Networking)

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The run() method of HelloServer does all the work. It makes the server device discoverable so that the client can find the server. Next, the run() method waits for a client to connect and reads all the data sent from the client. The run() method displays the data sent from the client on the screen. *; public class HelloServer extends BluetoothMIDlet { /** * Creates a server object. Accepts a single * connection from a client and prints the data * sent from the client to the screen. getMessage()); } } } To verify the code was properly copied from the book, build the code using the Wireless Toolkit by pressing the ‘‘Build’’ button.

Some form of BCC must be part of all JABWT implementations. However, the details of the BCC are left to the JABWT implementation. The three main tasks the BCC performs are conflict resolution, modification of system properties, and user interaction. 3 presents a simple ‘‘Hello, World’’ JABWT application to introduce the APIs discussed in the following chapters. 4 CHAPTER RFCOMM This chapter covers the following topics: • What is the SPP? • Why use RFCOMM? • How do you establish an RFCOMM connection?

This feature was included for two reasons. First, the flexibility resulted from the desire to allow the JABWT implementation to be ported to a large number of Bluetooth stacks and radios. Second, JABWT implementations are able to differentiate themselves on the basis of the policies the implementation enforces. Because multiple applications are able to run and access the local Bluetooth device at the same time, conflicting requests can be made to the Bluetooth device. As far as JABWT is concerned, two types of requests can conflict with another application using the same Bluetooth device.

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