当我UIImagePicker在iPhone上使用（但仅在iOS 7上）时，应用崩溃。我使用以下代码行
picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.allowsEditing = YES;
if( [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceFront] || [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear])
{
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
} else {
//[self showAlertViewWithTitle:@"Sorry" message:@"Your Device Don't Have Camera"];
}
[self presentViewController:picker animated:YES completion:nil];
}
该应用程序在iOS 6上运行，而不是在iOS 7上运行。
将UIImagePickerController在提出Potratin只有在iPhone模式。我发现多了一个错误在你的代码，您正在使用picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary，而isCameraDeviceAvailable该错误： -
您应该像这样编码：
if( [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceFront] || [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear])
{
picker.sourceType = UIImagePickerControllerSourceTypeCamera;
[self presentViewController:picker animated:YES completion:nil];
} else {
picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
[self presentViewController:picker animated:YES completion:nil];
}
并在您的ViewController中shouldAutorotate更改为NO而不是YES
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