Is PhoneGap limited to using UIWebView, or does it offer additional functionality beyond that?
Does PhoneGap utilize Apple's Nitro VM technology?
I am in the process of exploring options for converting our JavaScript app to a native format. I am comparing PhoneGap and Titanium to determine their differences.
Any insights would be greatly appreciated.
PhoneGap utilizes a customized version of UIWebView, incorporating custom JavaScript injections.
It does not take advantage of the NITRO JavaScript engine due to its use of UIWebView.
Edit: Apple has addressed the issue of fullscreen web apps, but has yet to resolve it for UIWebViews in order to prevent potential security risks associated with memory chunk executable marking by normal apps.
When developing in Titanium, the app code is written in pure JavaScript and gets converted into native code during compilation through a language bridge. This makes Titanium a fully native development platform.
In contrast, PhoneGap simply utilizes a UIWebView for its functionality.
I am also curious about this topic. After conducting research, I have not come across any evidence indicating that Nitro is enabled in UIWebView. In fact, there seems to be plenty of proof suggesting that it was not enabled in version 4.3, restricted only to Safari itself. While there are claims that Nitro was activated in other applications besides Safari in version 5.0, I have yet to find concrete evidence supporting its activation in UIWebView.
According to an article on CNET which refers to a discussion on HN:
"There's also a way to create Web apps on iOS that doesn't use Safari proper, an interface called UIWebView.
That doesn't look to be getting the Nitro speed-up for security reasons involving just-in-time (JIT) compilation that Nitro uses to create faster versions of JavaScript software on the fly."
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