20 Recipes for Programming PhoneGap: Cross-Platform Mobile by Jamie Munro

By Jamie Munro

Gain hands-on event with the fantastic PhoneGap library, utilizing the sensible recipes during this convenient advisor. With those suggestions, you could let your cellular net apps to have interaction with device-specific good points akin to the accelerometer, GPS, digital camera, and handle e-book. the right way to use your wisdom of HTML, CSS, and JavaScript to construct complete cellular apps for iOS, Android, and a number of other systems with out rewriting apps within the local platform language. each one recipe comprises pattern code you should use on your undertaking instantly, in addition to a dialogue of why the answer works.
* upload performance that’s to be had basically on a definite machine or platform
* Retrieve the device’s present GPS situation and position a marker on a map
* Create and store a brand new touch or edit an present touch within the handle booklet
* Take images with the digicam or decide upon one of many user’s present pictures
* add a dossier from the neighborhood machine to an exterior server
* enable the equipment to checklist audio or video via your app
* permit your program to avoid wasting records in the neighborhood

Show description

Read or Download 20 Recipes for Programming PhoneGap: Cross-Platform Mobile Development for Android and iPhone PDF

Similar programming books

A Programmer's Introduction to C#

C# is the main language for Microsoft's subsequent new release of home windows companies, the . internet platform. This new programming language is speedy and sleek and was once designed to extend programmer productiveness. C# allows programmers to speedy construct a variety of functions for the recent Microsoft .

Data Analysis and Decision Making

Information research AND choice MAKING is a teach-by-example process, learner-friendly writing variety, and whole Excel integration targeting facts research, modeling, and spreadsheet use in records and administration technology.

Ruby Under a Microscope: An Illustrated Guide to Ruby Internals

Ruby is a robust programming language with a spotlight on simplicity, yet underneath its stylish syntax it plays numerous unseen tasks.

Ruby less than a Microscope provides a hands-on examine Ruby's middle, utilizing broad diagrams and thorough factors to teach you ways Ruby is applied (no C talents required). writer Pat Shaughnessy takes a systematic process, laying out a sequence of experiments with Ruby code to take you behind the curtain of ways programming languages paintings. You'll even locate details on JRuby and Rubinius (two replacement implementations of Ruby), in addition to in-depth explorations of Ruby's rubbish assortment algorithm.

Ruby lower than a Microscope will educate you:

How a couple of computing device technological know-how recommendations underpin Ruby's complicated implementation
How Ruby executes your code utilizing a digital machine
How sessions and modules are an identical within Ruby
How Ruby employs algorithms initially built for Lisp
How Ruby makes use of grammar ideas to parse and comprehend your code
How your Ruby code is translated right into a diversified language by means of a compiler
No programming language should be a black field. no matter if you're already intrigued by way of language implementation or simply are looking to dig deeper into Ruby, you'll locate Ruby lower than a Microscope a desirable option to develop into a greater programmer.

Covers Ruby 2. x, 1. nine and 1. eight

Genetic Programming Theory and Practice IX

Those contributions, written by way of the major foreign researchers and practitioners of Genetic Programming (GP), discover the synergy among theoretical and empirical effects on real-world difficulties, generating a entire view of the cutting-edge in GP. subject matters contain: modularity and scalability; evolvability; human-competitive effects; the necessity for very important high-impact GP-solvable problems;; the hazards of seek stagnation and of removing paths to strategies; the necessity for novelty; empowering GP seek with professional wisdom; moreover, GP symbolic regression is punctiliously mentioned, addressing such issues as assured reproducibility of SR; validating SR effects, measuring and controlling genotypic complexity; controlling phenotypic complexity; choosing, tracking, and fending off over-fitting; discovering a entire selection of SR benchmarks, evaluating SR to computing device studying.

Additional resources for 20 Recipes for Programming PhoneGap: Cross-Platform Mobile Development for Android and iPhone

Example text

The final function, showContacts, is called when a successful list of contacts is received from the first function, onContactsLoad. html file. As a nice addition, the contacts are sorted alphabetically by the Retrieving Contacts in the Address Book | 33 givenName. This is done so that dividers can be added to group the items by the first letter of the contact’s name. See Also “Displaying Table-View Data” on page 28 Creating a New Contact in the Address Book Problem You want to allow your application to create and save a new contact or edit an existing contact in the device’s address book.

Html page needs to be updated to include a button to save the file. This can be added in the header as follows:

Photos

Save

When the user clicks the Save button, a new savePhoto function is called that will use the FileTransfer class to upload the photo to a remote server. js file created in “Accessing the Camera and Photo Album” on page 41. code); } The example includes a new global variable, currentPhoto.

Js JavaScript file. This script should now be created inside of your assets/www/ scripts directory. drawImage(ball, 0, 0, 100, 81, x, y, 100, 81); } The preceding JavaScript creates seven global variables. The first three will be used to perform the animation, as they contain references to the canvas, the canvas’ context, and finally the image of the ball. The next four variables will be used inside of the moveBall function to help calculate the movement of the ball. The final variable will contain a reference to the accelerometer watch, which will be cleared if there is an error.

Download PDF sample

Rated 4.43 of 5 – based on 22 votes