Advanced BlackBerry 6 Development, 2nd Edition by Chris King

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By Chris King

With complex BlackBerry 6 improvement, you will get a accomplished examine the recent positive aspects incorporated with SDK 6, together with the net and widgets SDK, the net browser, and extra. you will additionally the way to reap the benefits of BlackBerry media features reminiscent of the digital camera and video playback. The ebook additionally indicates you the way to ship and obtain textual content and multimedia messages, use robust cryptography libraries, and fasten with the user's own and enterprise contacts and calendar.

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Extra info for Advanced BlackBerry 6 Development, 2nd Edition

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Info CHAPTER 2: Media Capture support only parts, but the omission may confuse developers, since the API defines the getSnapShot() method even when the device does not support it. As with audio, you should check to make sure that the particular device you are running on supports image capture and that it provides the format you need. Taking a Picture When taking a picture, you must display the viewfinder within your app screen, as shown in Figure 2–4. Figure 2–4. A picture-taking app Capturing an image still requires obtaining a Player, but as the following pseudocode shows, the rest of the process differs from audio capture.

As with audio, you should check to make sure that the particular device you are running on supports image capture and that it provides the format you need. Taking a Picture When taking a picture, you must display the viewfinder within your app screen, as shown in Figure 2–4. Figure 2–4. A picture-taking app Capturing an image still requires obtaining a Player, but as the following pseudocode shows, the rest of the process differs from audio capture. info 53 54 CHAPTER 2: Media Capture Several things are worth noting here.

The other root, /SDCard, corresponds to the device’s Secure Digital card. This removable memory card often stores large media files. SD cards also offer ways to encrypt files and protect them with Digital Rights Management (DRM). SD cards for BlackBerry devices can be quite large—several gigabytes in size—and users will rarely mind if you use them to store files for your app. However, you have no guarantee that any given user will have an SD card inserted in his or her device, and you should handle situations where it is unavailable.

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