AVFlashlight

AVFlashlight is a private class introduced in iOS 7 for turning the device's LED flash on or off. The example application that uses this class is Control Center in SpringBoard.

Methods

Signature	+(BOOL)hasFlashlight;
Available in	7.0 —

The method +[AVFlashlight hasFlashlight] indicates the LED flash availability. It is equivalent to MGGetBoolAnswer(CFSTR("camera-flash"))

Signature	-(BOOL)setFlashlightLevel:(CGFloat)level withError:(NSError *)error;
Available in	7.0 —

The method -[AVFlashlight setFlashlightLevel:withError:] is used for setting the flashlight level.

Example usage

static AVFlashlight *flashlight;

...

// Make sure you don't have any other AVFlashlight object instantiated, or this flashlight won't be functional.
if ([AVFlashlight hasFlashlight]) {
	flashlight = [AVFlashlight new];
	[flashlight setFlashlightLevel:1.0 withError:nil];
}

...

// Do this when you want to turn power/light off the LED flash
[flashlight turnPowerOff];