Microsoft Certification Examples, exercises, practises, tutorials, solutions about Windows Phone

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Business Apps for Android & Windows Phone 7 : Handyscan, Outdoor Navigation, Pageonce Money& Bills, Glympse, Cool Tools

Some powerful business tools are floating in the sea of smartphone apps. Each month, we'll highlight some of the best ones for Windows 7 and Android platform users.

Windows Phone 7 Game Development : Orthographic Projection (part 2) - Isometric Projection & Pixel-Aligned Projection

To obtain an isometric projection, we simply need to set the orthographic projection up as described and then rotate the camera so that it looks upon the scene from an angle, instead of straight on.

Windows Phone 7 Game Development : Orthographic Projection (part 1) - The Viewing Frustum & Defining the Orthographic Viewing Frustum in XNA

The first of these uses is for isometric 3D games. They are generally tile-based games viewed such that the camera is rotated around and elevated from its default position. Isometric viewpoints were common in pseudo-3D games before hardware acceleration become popular.

Windows Phone 7 Game Development : Lighting (part 3) - Adding Lighting to Games

The emissive light for rendered objects is also most usefully set for each individual object, so we will add a new property for this to the MatrixObjectBase class just as we did for the specular material color.

Windows Phone 7 Game Development : Lighting (part 2) - How XNA Calculates Light Reflections

The explanations we have looked at for each light revolve to a significant degree around determining whether each triangle in a rendered object is facing toward or away from a light.

Windows Phone 7 Game Development : Lighting (part 1) - Types of Illumination

A number of different types of illumination are available to shine onto our objects. Any or all of the illumination types can be applied to XNA's lighting model, and the color of each type of illumination can be specified independently.

Windows Phone 7 : User Interface - Using Panorama and Pivot Controls

You need to develop an application that shows a lot of information that is separated into categories or groups. You don't want to put this information on separate pages and provide a navigation system; you would prefer to have them on the same main page of the application.

Windows Phone 7 : User Interface - Localizing Your Application

You need to create an application that changes the user interface depending on the language and regional settings of the Windows Phone 7 operating system.

User Interface : Using the Windows Phone 7 Predefined Styles

When the user has to insert information in your application and taps on a text field, a SIP keyboard appears, allowing the input of text. By using the InputScope attribute in your XAML code, you can customize the SIP in order to help users during text input.

Handling Input on Windows Phone 7 : Touch Input (part 3) - Multi-Point Touch

In the XNA Framework, multi-touch is essential, since game-based user experiences are generally highly customized. One example of multi-touch in the XNA Framework are having one thumb manipulating a virtual accelerator and the other thumb manipulating a virtual brake in a driving game.

Handling Input on Windows Phone 7 : Touch Input (part 2) - Raw Touch with Mouse Events

An example of raw touch is drawing with your finger, where you need individual touch locations. What enables raw touch with mouse events is the MouseEventArgs class passed into the mouse events.

Handling Input on Windows Phone 7 : Touch Input (part 1) - Single-Point Touch

Most modern mobile devices that have touch screens do not require a stylus, which was necessary for resistivetouch-based screens. Modern mobile devices are capacitive touch and respond very well to touch with a finger.

Handling Input on Windows Phone 7 : The Keyboard

Typing text on a mobile phone should be minimized as much as possible, but if text input is required, a developer should take advantage of capabilities to make typing as simple as possible.

User Interface : Customizing the Soft Input Panel Keyboard to Accept Only Numbers

You need to detect when the user changes the Windows Phone 7 theme from Dark to Light or vice versa so you can change icons, buttons, and background colors accordingly.

User Interface : Detecting Changes in the Theme Template

You need to detect when the user changes the Windows Phone 7 theme from Dark to Light or vice versa so you can change icons, buttons, and background colors accordingly.

Developing for Windows Phone and Xbox Live : Multiplayer Games (part 6) - Searching for an Available Network Session

After joining the session, you have a valid NetworkSession similar to when you created the session, so register for all of the same events. Finally, set the current gameState depending on whether the session you are joining is already playing the game or is in the lobby.

Developing for Windows Phone and Xbox Live : Multiplayer Games (part 5) - Searching for an Available Network Session

So now you can create a NetworkSession and start the game, but you are missing the capability for other players to join your game. You need to search for the available network sessions and then join one of the sessions.

Developing for Windows Phone and Xbox Live : Multiplayer Games (part 4) - Building a Game Lobby

With the session created, you move into the game lobby that lists the players in the session and whether they are ready to play the game until the host starts the game.

Developing for Windows Phone and Xbox Live : Multiplayer Games (part 3) - Creating a Network Session

When you create a session, you can provide a number of integer values that will define what type of session to create. A helpful way to keep track of integer values is to use an enumeration. In this case, create SessionProperties, which defines three types of properties.

Developing for Windows Phone and Xbox Live : Multiplayer Games (part 2) - Main Menu and State Management

The sample consists of multiple text menu screens and a game play screen that consists of moving the player’s gamertag around. Depending on the current state of the game, you will want to display a different menu and update a different set of logic.

Developing for Windows Phone and Xbox Live : Multiplayer Games (part 1) - Getting Ready for Networking Development

Building a multiplayer networked game requires that you have more than one machine that is running your game. One common development scenario is to build your game to run on both Xbox 360 and Windows.

User Interface : Using the ApplicationBar Control

ApplicationBar is a Windows Phone control added to Silverlight just for Windows Phone devices. It allows you to have a sort of toolbar and menu in the application.

User Interface : Creating an Animated Splash Screen

The splash screen provided by the Visual Studio 2010 Windows Phone 7 Silverlight Application project template is static, a simple PNG image shown during the application launch.

Windows Phone 7 Game Development : The World of 3D Graphics - Vertex and Index Buffers

XNA provides an alternative mechanism for providing the list of vertices that allows the number of repeated identical coordinates to be reduced.

Windows Phone 7 Game Development : The World of 3D Graphics - Hidden Surface Culling

XNA can work out whether each triangle is facing toward us or away from us . It does this based on how the triangle is actually rendered, not just how its vertices were defined, so that, as a triangle rotates, the direction in which it is facing will change.

Windows Phone 7 Game Development : The World of 3D Graphics - The Depth Buffer

XNA achieves this effect by using a feature known as the depth buffer. It can be enabled or disabled, and is enabled by default. When rendering simple 2D graphics, the depth buffer might be unnecessary, but in 3D scenes it is almost certain to be required.

Windows Phone 7 Game Development : The World of 3D Graphics - Rendering 3D Objects

When we move into three-dimensional objects, we probably can't use triangle strips. Every triangle of a triangle strip shares an edge with the previous triangle, and with 3D objects we will very quickly find that we can't draw objects in this way.

Windows Phone 7 Game Development : The World of 3D Graphics - Perspective Projection

The sides of a cube will very slightly narrow due to the effects of perspective as they increase in distance from the viewer, allowing the brain to automatically determine the exact position in which the cube is situated.

Developing for Windows Phone and Xbox Live : Let the 3D Rendering Start

There is a special type of graphics device called a reference device also known as ref device. A reference device does not use the graphics hardware and implements all of the graphics functionally in software on the computer’s CPU.

Developing for Windows Phone and Xbox Live : Reach and HiDef Graphics Profiles

One of the large complexities has to do with how to handle different graphics hardware on different platforms. Different graphics cards support slightly different capabilities. This is especially a problem on the PC where there are many different types of graphics cards.