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Writing a Flashlight Application using the iPhone LED
With the introduction of the iPhone 4, Apple has added an LED alongside the camera. It’s amazing how bright this little bugger is, ideal for a flashlight! Since the release of the iPhone 4 I’ve been meaning to take a few minutes and write a flashlight application using the LED. My understanding from what I’ve [...]
Camera Application to Take Pictures and Save Images to Photo Album
Editor’s Note:If you would like to save the UIImage from the camera to a PNG of JPEG file versus the Photo Album, you can find an example here: Save UIImage Object as a PNG or JPEG File. Also, to email an image from the camera, take a look at this example: How to Send Email [...]
Does iPhone Support Camera and Recording of Video?
This is the final tip in a series of four that is based on content from the O’Reilly book Head First iPhone Development. O’Reilly and iPhone Developer Tips are collaborating to give away a free ebook (electronic copy) of Head First iPhone Development each Friday in November. You can register in this weeks drawing by [...]
Save an Image to Camera Roll
Saving an image to the camera roll on the iPhone is as close as a method call in the UIKit. However, it takes a few steps to wrap together code to manage error handling and notification that the image has been saved. Let’s see how this works. Let’s begin with the method description to save [...]
Capture a Screenshot on the iPhone
If you ever have a need to create a screenshot from an iPhone (not the simulator), or if you are unsure why you would ever want to do this, read on… For the most part, capturing images of your application is as simple as running the simulator and pressing Shift-Command-4. However, when working with the [...]
