我有我的Flashligh应用程序工作完美。出于某种原因,我每次点击手电筒按钮的速度非常快,应用程序只是冻结,并没有做任何事情。当我调用AVCaptureSession stopRunning时,它似乎冻结了。下面是我的切换手电筒方法的代码。我也希望这种方法最终被称为频闪功能。iPhone手电筒应用程序崩溃时,快速轻按按钮
- (void)toggleFlashlight{
if (isTorchOn) {
// Start session configuration
[session beginConfiguration];
[device lockForConfiguration:nil];
// Set torch to on
[device setTorchMode:AVCaptureTorchModeOn];
[device unlockForConfiguration];
[session commitConfiguration];
[session startRunning];
}
else {
[session stopRunning];
[session release];
session = nil;
session = [[AVCaptureSession alloc] init];
// Create device input and add to current session
AVCaptureDeviceInput *input = [AVCaptureDeviceInput deviceInputWithDevice:device error: nil];
[session addInput:input];
// Create video output and add to current session
AVCaptureVideoDataOutput *output = [[AVCaptureVideoDataOutput alloc] init];
[session addOutput:output];
[output release];
}
}