To achieve that zoomy minimizing effect every time you press the home button the iPhone takes a full-screen grab and caches it. [...] To the untrained, the cached images disappear after a few seconds, but Zdziarski demonstrated that if you know what you're doing, you can recover the file system and see many, many of these grabs.
jeudi 11 septembre 2008
iPhone Takes A Screengrab Every Time Home Button Is Pressed
To achieve that zoomy minimizing effect every time you press the home button the iPhone takes a full-screen grab and caches it. [...] To the untrained, the cached images disappear after a few seconds, but Zdziarski demonstrated that if you know what you're doing, you can recover the file system and see many, many of these grabs.
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