Serrurier Marseille E-books > Programming > New PDF release: 20 Recipes for Programming PhoneGap: Cross-Platform Mobile

New PDF release: 20 Recipes for Programming PhoneGap: Cross-Platform Mobile

By Jamie Munro

ISBN-10: 1449319548

ISBN-13: 9781449319540

Gain hands-on event with the fantastic PhoneGap library, utilizing the sensible recipes during this convenient advisor. With those ideas, you could let your cellular net apps to have interaction with device-specific positive aspects comparable to the accelerometer, GPS, digicam, and handle ebook. how you can use your wisdom of HTML, CSS, and JavaScript to construct complete cellular apps for iOS, Android, and several structures with out rewriting apps within the local platform language. every one recipe contains pattern code you should use on your venture without delay, in addition to a dialogue of why the answer works.
* upload performance that’s on hand in basic terms on a undeniable gadget or platform
* Retrieve the device’s present GPS position and position a marker on a map
* Create and store a brand new touch or edit an latest touch within the deal with ebook
* Take photos with the digicam or decide on one of many user’s present images
* add a dossier from the neighborhood gadget to an exterior server
* enable the gadget to checklist audio or video via your app
* allow your software to avoid wasting records in the neighborhood

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Extra info for 20 Recipes for Programming PhoneGap: Cross-Platform Mobile Development for Android and iPhone

Sample text

WatchHeading function. Each time an update is received, the rotateNeedle function is called. Using the jQuery library I mentioned earlier, I rotate the needle by the angle of the device. 99. As the device rotates around, the needle will move as well, indicating the current direction. This feature might not work correctly in all simulators and an actual device may be needed. See Also jQuery Rotate Plug-In 24 | The Recipes Using the Accelerometer to Detect Motion Problem You want to detect the motion of the device as it moves.

Html as well. js. This file should be created inside of your assets/www/scripts directory and it will contain the core of the functionality. getElementsByTagName("head")[0]. message + '\n'); } Quite a lot is happening in the preceding example. When the page has finished loading, thanks to the callback function implemented in the previous recipe, onMapLoad is called automatically once the page is loaded. Because the jQuery mobile library is being used, the Google API JavaScript file must be included dynamically; otherwise, it doesn’t get loaded properly via the AJAX request.

When you run this example, a new map will be loaded into the map_canvas div tag and will center on your current location. Also, a marker will be created identifying where you are. This feature might not work correctly in all simulators and an actual device may be needed. 22 | The Recipes See Also Google Maps API Using the Compass to Help the User Navigate Problem You want to detect the direction in which the device is currently pointing. Solution iOS, Android, and some Windows 7 devices support a compass that will tell you the direction the phone is pointing in, with a range of 0 to 360 degrees.

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20 Recipes for Programming PhoneGap: Cross-Platform Mobile Development for Android and iPhone by Jamie Munro


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