How to turn the iPhone camera flash on/off?
#import <AVFoundation/AVFoundation.h> … – (void) turnTorchOn: (bool) on { // check if flashlight available Class captureDeviceClass = NSClassFromString(@”AVCaptureDevice”); if (captureDeviceClass != nil) { AVCaptureDevice *device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo]; if ([device hasTorch] && [device hasFlash]){ [device lockForConfiguration:nil]; if (on) { [device setTorchMode:AVCaptureTorchModeOn]; [device setFlashMode:AVCaptureFlashModeOn]; //torchIsOn = YES; //define as a variable/property if you need to know … Read more