- (void) recordVideo: (id) sender

{

UIImagePickerController *ipc = [[UIImagePickerController alloc] init];

ipc.sourceType = UIImagePickerControllerSourceTypeCamera;

ipc.delegate = self;

ipc.allowsEditing = YES;

ipc.videoQuality = UIImagePickerControllerQualityTypeMedium;

ipc.videoMaximumDuration = 30.0f; // 30 seconds

///ipc.mediaTypes = [NSArray arrayWithObject:@"public.movie"];

//主要是下边的两能数，@"public.movie", @"public.image" 一个是录像，一个是拍照

ipc.mediaTypes = [NSArray arrayWithObjects:@"public.movie", @"public.image", nil];

[self presentModalViewController:ipc animated:YES];

}
来自http://www.twain100.com/doc/3753

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