Beginning BlackBerry 7 Development by Anthony Rizk, Kevin Michaluk, Rob Kao, Dante Sarigumba

By Anthony Rizk, Kevin Michaluk, Rob Kao, Dante Sarigumba

Are you interested by developing BlackBerry apps utilizing the newest BlackBerry 7 and BlackBerry Java Plug-in for Eclipse? Then this is the book for you. Beginning BlackBerry 7 improvement deals a hands-on method of studying easy methods to construct and set up refined BlackBerry apps utilizing the most recent instruments and methods available.   Assuming just some programming historical past in Java or an analogous language, this e-book begins with the fundamentals, providing step by step tutorials that take you thru downloading and fitting the BlackBerry improvement surroundings, growing your first apps, and exploring the BlackBerry APIs. you can be brought to the most recent gains to be had within the most up-to-date BlackBerry 7 utilizing BlackBerry Java Plug-in for Eclipse, together with BlackBerry software Platform prone, techniques for utilizing multimedia with the BlackBerry, and instruments for expanding app functionality. To around out the entire improvement technique, you are going to additionally observe the several methods you could package deal and distribute your apps, from deploying apps by yourself site to directory your apps on the market within the BlackBerry App global. What you’ll study find out how to receive and organize the instruments you will have to advance BlackBerry functions the way to increase Java-based BlackBerry functions tips to combine BlackBerry software Platform providers into your app complex suggestions for person interface layout info at the most modern APIs to be had to BlackBerry builders the right way to use networking, location-based providers, and lots of different positive aspects of the BlackBerry platform on your software Who this ebook is for This booklet is for these drawn to constructing local apps for the BlackBerry family members of units and smartphones. BlackBerry improvement event isn't required, yet readers must have a few event with Java and internet programming. desk of Contents surroundings the Stage     hi World        What Makes a BlackBerry Application?                        person Interface Basics                        past the fundamentals of consumer Interfaces                                 Storing Data              hi in the market! creating a Network-Enabled Application                           the place Am I? utilizing Location-Based Services                   Getting Your App available in the market: Packaging and Publishing      subsequent Steps 

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For these reasons, we don’t recommend writing your BlackBerry applications as MIDlets, and in fact, we don’t discuss MIDlet-specific topics in this book after this section. However, if you have an existing MIDlet originally built for another smartphone platform and you need to quickly run it on a device, BlackBerry has you covered. Summary This chapter has been a bit of a grab bag of interesting development topics, and you’ll end up using many of them in your own applications. By now, though, you’re probably ready to get back to learning more of the BlackBerry API.

If you check this box, this app will automatically start when the device starts or after the device is reset. But for this exercise, leave this box unchecked, since we only want to show how alternate entry works, and how to start this alternate entry by clicking the app’s icon on the home screen. To see how this fits together, let’s modify the application a little. Remember the alt Application argument you entered earlier on the Alternate Entry Points screen? Let’s use it in the code. "); } add(labelField); } CHAPTER 3: What Makes a BlackBerry Application?

GetChoice(int). The getChoice method returns an Object. However, because all the objects you passed into the constructor for domainField were Strings, you can safely cast the result of getChoice back to a String. UiApplication. You’ll also have to modify fieldChanged to handle the login button as well. public void fieldChanged(Field field, int context) { if (field == clearButton) { clearTextFields(); } else if (field == loginButton) { login(); } } Finally, remember to add the change listener to loginButton in UiFunMainScreen’s constructor.

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