I was wondering if there was a specific method called when we press the 2 buttons of the iPhone (using Home-Button & Power on/off) to take a screenshot. If yes, I would known his name to use her in programming.
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I was wondering if there was a specific method called when we press the 2 buttons of the iPhone (using Home-Button & Power on/off) to take a screenshot. If yes, I would known his name to use her in programming.
There used to be a
UIGetScreenImage()function that you could use to capture the screen. Apple no longer allows use of that function in App Store apps, so you have a few other options.CALayerhas a-renderInContext:method—Google it—that you can use to copy a view’s contents to a graphics context; this does not, however, work for OpenGL content, video, or live imagery from a device’s camera. I’m not sure about solutions for the first two, but for the latter—getting images from the camera—you’ll need to use the AVFoundation framework.