Download Building Hybrid Android Apps with Java and JavaScript: by Nizamettin Gok, Nitin Khanna PDF

By Nizamettin Gok, Nitin Khanna

Construct HTML5-based hybrid purposes for Android with a mixture of local Java and JavaScript parts, with no utilizing third-party libraries and wrappers reminiscent of PhoneGap or Titanium. This concise, hands-on publication takes you thru the whole method, from establishing your improvement atmosphere to deploying your product to an app store.

Learn tips to create apps that experience entry to local APIs, akin to position, vibrator, sensors, and the digicam, utilizing a JavaScript/Java bridge—and pick out the language that provides you higher functionality for every job. in case you have event with HTML5 and JavaScript, you’ll fast detect why hybrid app improvement is the wave of the future.

* organize a improvement atmosphere with HTML, CSS, and JavaScript tools
* Create your first hybrid Android venture, utilizing Eclipse IDE
* Use the WebView regulate to host your hybrid application
* discover hybrid software structure, together with JavaScript/Java communication
* construct single-page functions, utilizing JavaScript libraries comparable to spine and Underscore
* Get optimization advice and beneficial snippets for CSS, DOM, and JavaScript
* Distribute your program to Google Play and the Amazon Appstore

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Extra resources for Building Hybrid Android Apps with Java and JavaScript: Applying Native Device APIs

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The document itself is an Object, with internal variables like 'title' and 'URL'. The Date Object Let's look at the Date Object. You can create a new object and assign it to a variable name using the new keyword: var mydate = new Date(); The Date Object has a set of internal variables which hold the time, day, month, and year. It allows you to refer to it like a string, so you could pop-up the time the variable was created with a function like alert(). A pair of lines like this: var mydate = new Date(); alert(mydate); would display a line showing the current time and date, in universal time, like this: Tue Jul 26 13:27:33 UTC+1200 2007 It's not actually a string, though.

D Negation of \d. Debugging JavaScript Debuggers Firebug • Firebug is a powerful extension for Firefox that has many development and debugging tools including JavaScript debugger and profiler. x) Introduction to Venkman Using Breakpoints in Venkman Internet Explorer debugging • • • Microsoft Script Debugger (for Internet Explorer) The script debugger is from the Windows 98 and NT era. It has been succeeded by the Developer Toolbar Internet Explorer Developer Toolbar Microsofts Visual Web Developer Express is Microsofts free version of the Visual Studio IDE.

Note that when an event handler is assigned, the function name does not end with parentheses. The clickhandler function is defined like this: function clickhandler(e) { //some code here } By convention the event is represented by the variable 'e'. event; //some code here } Elements within a document can also be assigned event handlers. onclick = linkHandler; This will cause the linkHandler() function to be executed when the user clicks the first link to appear on the page. Keep in mind that this style of handler assignment depends on the link's position inside the page.

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