Read e-book online Bluetooth for Java PDF

By Bruce Hopkins

ISBN-10: 1430207639

ISBN-13: 9781430207634

ISBN-10: 1590590783

ISBN-13: 9781590590782

Bluetooth is a expertise for instant verbal exchange that features in a lot an analogous method that home/office laptops hook up with the web. it really is usually used for brief burst communications rather than a continual connection. due to this distinction, Bluetooth is extra more often than not chanced on supported in instant telephones and private units.

Bluetooth for Java isn't really an summary of Bluetooth. within the booklet, Bruce Hopkins and Ranjith Antony describe the best way to boost instant Java purposes utilizing Bluetooth for quite a few systems. This comprises an API evaluation of the Java library, improvement of Bluetooth-based companies, highlights of safety issues, and walkthroughs for improvement with the various assorted instruments to be had. courses usually are not simply J2ME (micro devices)-based, yet can be for J2SE (client/desktop).

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Org and fill out the membership 31 Chapter 2 form. After becoming a member, you need to submit your product for testing by a Bluetooth Qualification Body. The Qualification Body will test your device against the current Bluetooth specification as well as interoperability with other devices that use your Bluetooth profiles. , stacks and radios) are used in their products. However, ifyou want to use that really cool-looking Bluetooth logo on your products, then you need to join the SIG. NOTE Once testing has been completed, and if your device passes the tests, it will be listed on the Bluetooth Qualification Web site (http: / / qualweb.

Unfortunately, Java (especially J2ME) is not well suited to this arena just yet. Performance is a key factor in voice-based applications, and once again, in this case, you're better off using a native language such as C. However, this application may be feasible to do in Java if the Java Real-Time Technology can be incorporated. Distance Measuring The best wireless technology for accurately measuring distance is light waves and not radio signals. Light waves are direct, and the calculations can be pretty simple because the speed of light (in various mediums) is pretty well documented.

0.. 0 Logical Link Control and Adaptation Protocol (L2CAP) [~__________________H_o_st__co_n_tr_o_ll_e_r_I_n_te_rl_a_C_e_(_H_CI_)________________~J Figure 2-7. The Bluetooth protocol stack Now, ifyou're familiar with the Java Collection Framework, then you've heard of java . util. Stack. Please erase that idea from your mind completely, or you'll be thoroughly confused here. Bluetooth uses some terms like stack and profile, which unfortunately are used in Java as well. This chapter is all about Bluetooth, so we'll clear up the confusion whenever there is a clash of terminology here.

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Bluetooth for Java by Bruce Hopkins

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