PhoneGap Brings Cross Platform Development Back to Mobile Platforms
Cross platform mobile applications are a major pain today due to the mix of languages, OSes and APIs available. There are Objective-C and Cocoa on the iPhone, Android Java and native code with Android NDK on Android, JME on BlackBerry, HTML5 on Palm's webOS, C++ and other options on Symbian, etc. Sharing even basic, non-GUI code across all the platforms is impossible or impractical (Java on the iPhone? C on Blackberry? Objective-C on webOS?).
But PhoneGap applications are not web applications - they usually get packaged into applications that can be installed locally on the device and can be shipped through app stores.
Another advantage of using PhoneGap over using a web application delivered over the net: PhoneGap exposeѕ an API that gives access to features such as the accelerometer, the camera, GPS, PIMs, sound and more.
InfoQ talked to Brian LeRoux, one of the creators of PhoneGap, about the current status of PhoneGap. Brian works for Nitobi, the company that employs a few other developers working on PhoneGap.
InfoQ: How's the support for mobile platforms coming along?
Its amazing really: we now support iPhone, Android, Blackberry, Symbian and Palm. We have some fledging support for Windows Mobile 6/6.5 and we're waiting to see what the Windows 7 Phone SDK will let us do. Apparently it will be released at Mixx so we'll have to wait and see for that platform.
Note: the PhoneGap web site has table listing PhoneGap platform support.
InfoQ: Have you had help from platform vendors with porting PhoneGap?
Sony Ericsson, Palm and Nokia have been super supportive of the PhoneGap project giving us access to their developers and resources has been invaluable to maturing the platform.
InfoQ: You recently got confirmation from Apple that PhoneGap is permitted in the AppStore.
Yes! PhoneGap only utilizes public APIs as per the SDK licensing terms.
InfoQ: Are there any things that PhoneGap developers targeting the iPhone need to watch out for?
Make sure your offline experience is just as good as when the network is connected. This is the first thing app store reviewers check. This is all super easy with PhoneGap because all PhoneGap applications are intrinsically offline anyhow. You can always check for the availability of the network using our Reachability API for things like data transport.
InfoQ: What's currently the best PhoneGap solution for Symbian? WRT or the QT versions of PhoneGap?
Right now: WRT. Six months from now: Qt. Maybe sooner. We are really excited for the Qt stuff. The browser is incredible.
I would say the best way to charactize HTML5 on Symbian and Blackberry is "coming soon". LOL. We know that RIM is going to send a WebKit flavored browser over the air sometime in the next quarter; they were showing it off at Mobile World Congress. Symbian will be shipping QtWebKit 4 at some point in roughly the same timeframe which will bring it up to par too.
Each PhoneGap supported platform makes native extension trivial already but we are working a better plugin architecture which we hope to release sometime this year for just this use case. Each platform has a README which helps describe this process.
InfoQ: Have there been developments in standards for accessing devices?
The standards work by DAP (Device API Working Group) and BONDI have been a great roadmap for PhoneGap. We plan to continue providing an implementation for these efforts as they progress.
InfoQ: You've recently changed the way contributors can help with PhoneGap; What was the reason for that?
We are in the process of contributing PhoneGap itself to a foundation and this requires us to have CLA (Contributor License Agreements) in place. PhoneGap will remain MIT licensed and open.
InfoQ: What are your plans for the future of PhoneGap?
More stability and more APIs all the time. The platform has grown quite mature in the past year and we're really focusing on quality right now: tests, documentation and tooling.
The best way to get started with PhoneGap is the PhoneGap website and Wiki. Nitobi offers PhoneGap training in different cities and online.
InfoQ also has a video interview with PhoneGap developers Brian LeRoux and Robert Ellis where they go into depth on the technical details and other aspects of PhoneGap. There is also a PhoneGap talk Brian LeRoux gave at last year's JSconf.
Mokabyte Mobile use PhoneGap
The application is only a POC but we have deployed it on the iPhone store and Android store without problems.
For us PhoneGap is a good way to approach the mobile application for enterprise.
(for a simple view of the POC www.androlib.com/android.application.it-mokabyt...)
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