Quote:
Originally Posted by Graham
What's the reason why an app or plug-in that warns if you're about to open a PDF in Safari can't be written to run on an iPad that hasn't been jailbroken?
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Because Apple doesn't allow plugins to Safari, so when Safari sees a PDF, it is going to open in the internal PDF viewer.
To get around this restriction involves either (not sure which) unsupported APIs (which means Apple wouldn't approve it for the app store) or just plain hacking the files (which requires security escalation). Either requires jailbreaking.