將UIImagePickerController添加爲子視圖而不是模態視圖時,相機滾動不會打開?
UIImagePickerController *pickerController = [[UIImagePickerController alloc]
init];
pickerController.view.frame=_vw1.frame;
pickerController.delegate = self;
// [self presentViewController:pickerController animated:NO completion:nil];
[_vw1 addSubview:pickerController.view];
//[pickerController viewWillAppear:YES]; // trickery to make it show
[pickerController viewDidAppear:YES];