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[[AVFlashlight]] is a private class introduced in iOS 7 for turning the device's LED flash on or off. The example application that | [[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 == | == Methods == | ||
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The method {{ObjcCall|AVFlashlight|setFlashlightLevel:withError:}} is used for setting the flashlight level. | The method {{ObjcCall|AVFlashlight|setFlashlightLevel:withError:}} is used for setting the flashlight level. | ||
Example usage | == Example usage == | ||
<source lang=objc> | <source lang=objc> | ||
AVFlashlight *flashlight; | AVFlashlight *flashlight; | ||
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[flashlight release]; | [flashlight release]; | ||
</source> | </source> | ||
{{occlass|library=AVFoundation.framework|navbox=1}} | |||
Revision as of 20:18, 18 February 2014
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.
| Signature | -(BOOL)setFlashlightLevel:(float)level withError:(NSError *)error; |
|---|---|
| Available in | 7.0 — |
The method -[AVFlashlight setFlashlightLevel:withError:] is used for setting the flashlight level.
Example usage
AVFlashlight *flashlight;
...
// Make sure you don't have any others AVFlashlight object instantiated
flashlight = [[AVFlashlight alloc] init];
[flashlight setFlashlightLevel:AVCaptureMaxAvailableTorchLevel withError:nil];
...
// Do this when you want to turn power/light off the LED flash
[flashlight release];
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