| iphone Programming : Handling Data - Parsing XML |
| The two widely used methods for parsing an XML document are SAX and DOM. A SAX (Simple API for XML) parser is event-driven. It reads the XML document incrementally and calls a delegate method whenever it recognizes a token. |
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| iphone Programming : Handling Data - Data Entry |
| The Cocoa Touch framework offers a number of UI elements, ranging from text entry fields to switches and segmented controls. Any of these can be used for data entry, but often when we talk about data entry we’re talking about getting textual information into an application. |
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| The BlackBerry Mobile Data System : Configuring MDS |
| You can use some special configuration settings to help you better troubleshoot your applications and allow you to verify the identity of a BlackBerry application user without having to prompt the user for credentials. |
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| Android : Using Selection Widgets - Spin Control |
| In Android, the Spinner is the equivalent of the drop-down selector you might find in other toolkits (e.g., JComboBox in Java/Swing). Pressing the center button on the D-pad pops up a selection dialog box from which the user can choose an item. |
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| IPad : Arranging Apps Using iTunes, Finding Good Apps |
| A better way to arrange your apps is to use iTunes. You can not only move the apps around on the pages, but you can also clearly see which ones get synced to your iPad and which ones are merely archives on your computer. |
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| Arranging Apps on Your iPad |
| If you sync your iPad to iTunes on a computer, you do not delete apps forever. All apps remain in your iTunes library on your computer unless you remove them from there. So you can get rid of the app from your iPad and find it is still on your computer if you want to select it to sync back to your iPad. |
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| Windows Phone 8 : XAML Overview - Visual Grammar |
| XAML gives you the ability to draw shapes and colors on the surface of the phone itself. While you might not imagine doing much actual drawing, it is important for you to understand how creating a design with the drawing primitives is important to the overall XAML story. |
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| Windows Phone 8 : XAML Overview - Visual Containers |
| The purpose of these containers is to allow other elements to be laid out in particular ways on the visual surface of XAML. The containers themselves typically don’t have any user interface but simply are used to determine how different XAML elements are arranged on the screen. |
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| iPhone SDK 3 : Objective-C and Cocoa - Classes |
| In object-oriented languages, an object encapsulates attributes and provides methods. These methods can be used by the outside world (i.e., other objects) to change the object's state as well as to interact with the object. All this can be achieved without opening the actual implementation of the object's behavior to the outside world. |
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| iPhone SDK 3 : Creating Interfaces |
| All iPhone apps have windows (usually one.) A window is a specialized view that is used to host other views. A view is a rectangle piece of real-estate on the 320 × 480 iPhone screen. You can draw in a view, animate a view by flipping it, and you can receive multi-touch events on it. |
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| IPad : Your Calendar - Manage Your Busy Life on Your iPad |
| The Calendar app is a powerful and easy to use application that helps you manage your appointments, keep track of what you have to do, set reminder alarms, and even create and respong to meeting invitations (for Exchange users). |
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