Download Building Android Apps with HTML, CSS, and JavaScript: Making by Jonathan Stark, Brian Jepson PDF

By Jonathan Stark, Brian Jepson

It’s actual: in the event you recognize HTML, CSS, and JavaScript, you have already got the instruments you must strengthen Android functions. Now up to date for HTML5, the second one version of this hands-on consultant exhibits you ways to take advantage of open resource net criteria to layout and construct apps that may be tailored for any Android device.

You’ll the best way to create an Android-friendly net app at the platform of your selection, after which use Adobe’s unfastened PhoneGap framework to transform it to a local Android app. become aware of why device-agnostic cellular apps are the wave of the long run, and begin development apps that supply better flexibility and a much wider reach.
* Convert an internet site right into a net software, whole with growth signs and different positive factors
* upload animation with JQTouch to make your net app appear and feel like a local Android app
* utilize client-side facts garage with apps that run while the Android equipment is offline
* Use PhoneGap to hook into complicated Android beneficial properties, together with the accelerometer, geolocation, and signals
* attempt and debug your app on the internet with genuine clients, and publish the completed product to the Android marketplace

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Read or Download Building Android Apps with HTML, CSS, and JavaScript: Making Native Apps with Standards-Based Web Tools (2nd Edition) PDF

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Extra info for Building Android Apps with HTML, CSS, and JavaScript: Making Native Apps with Standards-Based Web Tools (2nd Edition)

Sample text

If it does not contain the element, a false value is returned. is('#i1')); // Returns false. is('#i2')); // Returns false. is(':hidden')); })(jQuery); It should be apparent that the second alert() will return a value of false because our wrapper set did not contain a

that had an id attribute value of i2. The is() method is quite handy for determining if the wrapper set contains a specific element. 3 the is() method supports all expressions. Previously complex expressions, such as those containing hierarchy selectors (such as +, ~, and >), always returned true.

G. createElement DOM method while all other cases rely on the innerHTML property. g. createElement('div')) - The HTML string passed to jQuery cannot contain elements that might be considered invalid inside of a

element. - The HTML string passed to the jQuery function must be well formed. - You should open and close all HTML elements when passing jQuery HTML. Not doing so could result in bugs, mostly in IE. g. $(

) Grokking the index() method It is possible to determine the index of an element in the wrapper set by passing that element to the index() method.

Passing filter() a function instead of an expression Before you run off and create a custom filter for selecting elements, it might make more sense to simply pass the traversing filter() method a function which will allow you to examine each element in the wrapper set for a particular scenario. For example, let's say that you would like to wrap all elements in an html page with an

element that is currently not wrapped with this element. You could create a custom filter to accomplish this task or use the filter() method by passing it a function that will determine if the element's parent is a

element and if not then remove it from the set before you wrap the elements remaining in the set with a

element.

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