By Chris King
BlackBerry units and purposes are promoting via the hundreds of thousands. As a BlackBerry developer, you wish a sophisticated ability set to effectively make the most the main compelling gains of the platform. This ebook can assist you advance that ability set and train you the way to create the main refined BlackBerry courses attainable.
With Advanced BlackBerry 6 Development, you’ll get a complete examine the hot positive aspects integrated with SDK 6, together with the internet and widgets SDK, the net browser, and extra. You’ll additionally how to reap the benefits of BlackBerry media functions corresponding to the digital camera and video playback. The booklet additionally indicates you the way to ship and obtain textual content and multimedia messages, use robust cryptography libraries, and fix with the user’s own and company contacts and calendar.
not just will you be studying find out how to use those APIs, yet you’ll even be development a application that takes complete good thing about them: a instant media-sharing app. every one chapter’s classes may be utilized by way of improving the app from a prototype to an absolutely polished application. alongside the best way, you are going to how you can differentiate your product from different downloads via totally integrating with the hot BlackBerry 6 working method. Your app will run within the browser and inside of equipment menus, similar to software program that incorporates the telephone. you are going to even examine BlackBerry's new net browser beneficial properties, net standards-based software improvement equipment, and more.
when you are pleased with writing apps, this booklet will provide help to take them to the subsequent point. You’ll how you can stream from operating on one cell to working on all telephones, and from one state to all international locations. You’ll also how one can aid your clients with updates. No different source compares for gaining knowledge of the concepts wanted for specialist improvement in this cellular platform.
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Extra resources for Advanced BlackBerry 6 Development
Your Hotshot Objectives To complete the Mobile Calculator project, we'll accomplish the following tasks: ff Creating the user interface ff Accepting user input ff Validating user input ff Performing calculations ff Using the order of precedence ff Using random numbers 48 Project 3 Mission Checklist Whenever you develop mobile applications that use math, you should have an external source for validating the calculations. You can use a physical calculator, a calculator on your computer, or a spreadsheet software such as Microsoft Excel.
Set the label to .. Set the location of the button to 260, 306. Set Lock size and position to true. Upon completion of step 4, your interface should look like the following screenshot: 52 Project 3 5. We are ready to create our calculation buttons. Copy the C button and make the following modifications to the new button: 1. Name the button Multiply. 2. Set the label to *. 3. Set the location of the button to 62, 373. 4. Change the background color to a light tan color. 5. Change the foreground color to black.
Set the width to 264 and height to 286. Set the location of the field to 157, 175. Using the Basic Properties, inspector, make sure you remove the checkmark next to Focusable which will set the tranverseOn to off and ensure the keyboard is not automatically activated when the mobile app is run. 5. Drag a Rectangle Button from the Tools palette onto the card. Name the button Button 1. Set the location of button Button 1 to 93,363. 6. Drag a Rectangle Button from the Tools palette onto the card. Name the button Button 2.
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