13. what is phonegap - the phonegap history
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Cross-Platform Mobile Development @ Telerik AcademyTelerik Software Academy: http://mobiledevcourse.telerik.comThe website and all video materials are in Bulgarian Content:What is PhoneGapHow does it work?PhoneGap + DWPros and Cons ConclusionTRANSCRIPT
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What is PhoneGapThe PhoneGap History
Doncho Minkov
Telerik Software Academyhttp://academy.telerik.com
Technical Trainerhttp://minkov.it/
http://mobiledevcourse.telerik.com
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Table of Contents What is PhoneGap How does it work? PhoneGap + DW Pros and Cons Conclusion
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What is PhoneGap?Multiplatform Development Framework
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What is PhoneGap PhoneGap is an open-source mobile development framework Developed by Nitobi Software
Bought by Adobe
Enables building of mobile device applications using JavaScript, HTML and CSS Ruby can be used as well
Instead of often less-known languages such as Objective-C
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PhoneGap Applications
The PhoneGap applications are hybrid They are neither truly native nor
purely web based All layout rendering is done via the
web view instead of Objective-C
Much of the functions of HTML5 are supported
A disadvantage is that hybrid applications do not have full access to the device API Camera, compass, accelerometer,
etc.
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Supported Platforms
PhoneGap currently supports development for the following operating systems iOS, Android, webOS, Windows
Mobile, Symbian OS and BlackBerry, Windows Phone 7 Mango
Bada support is "coming soon" The OS used by the Samsung Wave
S8500
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How does it work? Build your app once with web-standards Based on HTML5
Wrap it up with PhoneGap Using the free open source
framework or PhoneGap build You can access the native APIs
Deploy to multiple platforms Standards-based web technologies
to bridge web applications and mobile devices
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Means of Development
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Means of PhoneGap Development
PhoneGap is just a library that you must include in your app Couple of JavaScript and xml files
What is PhoneGap doing? PhoneGap generates a out-of-the-
browser window that executes the HTML and JavaScript
Due to a couple of xml and jar/dll files it enables the usage of native APIs
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Where Can we Develop? Native IDE for the corresponding OS Eclipse, Xcode, Visual Studio, etc. Abode launched a new version of
Dreamweaver that integrates with PhoneGap Build the web site
Add the mobile SDKs
Say it is mobile app
Build and deploy
In both the concrete OS SDK must be present
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Pros and ConsOf PhoneGap Development
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Pros of PhoneGap Development
HTML5, CSS and JavaScript skills vs. Objective-C, Java and C#
Single code base for all platforms iOS, Android, WP 7 Mango, mobile
web You can take advantage of distribution and integrated payment Via the App Store or Android Market
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Cons of PhoneGap Development
Poor performance If your app is graphically intense,
i.e. a game. Caching or leveraging some 3rd
party solutions may be implemented with native graphics
For the most part a native app is much faster/smoother than mobile web app
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Cons of PhoneGap Development (2)
Lack of pre-built UI widgets, transitions, standard controls, etc. Your development time can take
longer Especially if you want a polished-
looking app with a native look and feel
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Conclusion PhoneGap is a cross-platform mobile development framework Based on HTML5 and JavaScript Using web standards
PhoneGap is useful For creation of small apps When there is a lack of human
resources Need a single app deployed on many
OS
Native app developments is always better!
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PhoneGap
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