QMUIImagePickerViewControllerDelegate

@protocol QMUIImagePickerViewControllerDelegate <NSObject>

@optional

/**
 *  创建一个 ImagePickerPreviewViewController 用于预览图片
 */
- (QMUIImagePickerPreviewViewController *)imagePickerPreviewViewControllerForImagePickerViewController:(QMUIImagePickerViewController *)imagePickerViewController;

/**
 *  控制照片的排序，若不实现，默认为 QMUIAlbumSortTypePositive
 *  @note 注意返回值会决定第一次进来相片列表时列表默认的滚动位置，如果为 QMUIAlbumSortTypePositive，则列表默认滚动到底部，如果为 QMUIAlbumSortTypeReverse，则列表默认滚动到顶部。
 */
- (QMUIAlbumSortType)albumSortTypeForImagePickerViewController:(QMUIImagePickerViewController *)imagePickerViewController;

/**
 *  多选模式下选择图片完毕后被调用（点击 sendButton 后被调用），单选模式下没有底部发送按钮，所以也不会走到这个delegate
 *
 *  @param imagePickerViewController 对应的 QMUIImagePickerViewController
 *  @param imagesAssetArray          包含被选择的图片的 QMUIAsset 对象的数组。
 */
- (void)imagePickerViewController:(QMUIImagePickerViewController *)imagePickerViewController didFinishPickingImageWithImagesAssetArray:(NSMutableArray<QMUIAsset *> *)imagesAssetArray;

/**
 *  cell 被点击时调用（先调用这个接口，然后才去走预览大图的逻辑），注意这并非指选中 checkbox 事件
 *
 *  @param imagePickerViewController        对应的 QMUIImagePickerViewController
 *  @param imageAsset                       被选中的图片的 QMUIAsset 对象
 *  @param imagePickerPreviewViewController 选中图片后进行图片预览的 viewController
 */
- (void)imagePickerViewController:(QMUIImagePickerViewController *)imagePickerViewController didSelectImageWithImagesAsset:(QMUIAsset *)imageAsset afterImagePickerPreviewViewControllerUpdate:(QMUIImagePickerPreviewViewController *)imagePickerPreviewViewController;

/// 是否能够选中 checkbox
- (BOOL)imagePickerViewController:(QMUIImagePickerViewController *)imagePickerViewController shouldCheckImageAtIndex:(NSInteger)index;

/// 即将选中 checkbox 时调用
- (void)imagePickerViewController:(QMUIImagePickerViewController *)imagePickerViewController willCheckImageAtIndex:(NSInteger)index;

/// 选中了 checkbox 之后调用
- (void)imagePickerViewController:(QMUIImagePickerViewController *)imagePickerViewController didCheckImageAtIndex:(NSInteger)index;

/// 即将取消选中 checkbox 时调用
- (void)imagePickerViewController:(QMUIImagePickerViewController *)imagePickerViewController willUncheckImageAtIndex:(NSInteger)index;

/// 取消了 checkbox 选中之后调用
- (void)imagePickerViewController:(QMUIImagePickerViewController *)imagePickerViewController didUncheckImageAtIndex:(NSInteger)index;

/**
 *  取消选择图片后被调用
 */
- (void)imagePickerViewControllerDidCancel:(QMUIImagePickerViewController *)imagePickerViewController;

/**
 *  即将需要显示 Loading 时调用
 *
 *  @see shouldShowDefaultLoadingView
 */
- (void)imagePickerViewControllerWillStartLoading:(QMUIImagePickerViewController *)imagePickerViewController;

/**
 *  即将需要隐藏 Loading 时调用
 *
 *  @see shouldShowDefaultLoadingView
 */
- (void)imagePickerViewControllerDidFinishLoading:(QMUIImagePickerViewController *)imagePickerViewController;

@end

Undocumented


                    
                    
                    -imagePickerPreviewViewControllerForImagePickerViewController:

创建一个 ImagePickerPreviewViewController 用于预览图片

Declaration

Objective-C

- (nonnull QMUIImagePickerPreviewViewController *)
    imagePickerPreviewViewControllerForImagePickerViewController:
        (nonnull QMUIImagePickerViewController *)imagePickerViewController;

Swift

optional func imagePickerPreviewViewController(for imagePickerViewController: QMUIImagePickerViewController) -> QMUIImagePickerPreviewViewController

-albumSortTypeForImagePickerViewController:
控制照片的排序，若不实现，默认为 QMUIAlbumSortTypePositive

Note
注意返回值会决定第一次进来相片列表时列表默认的滚动位置，如果为 QMUIAlbumSortTypePositive，则列表默认滚动到底部，如果为 QMUIAlbumSortTypeReverse，则列表默认滚动到顶部。
Declaration
Objective-C

- (id)albumSortTypeForImagePickerViewController: (nonnull QMUIImagePickerViewController *)imagePickerViewController;
Swift

optional func albumSortType(for imagePickerViewController: QMUIImagePickerViewController) -> Any!


                    
                    
                    -imagePickerViewController:didFinishPickingImageWithImagesAssetArray:

多选模式下选择图片完毕后被调用（点击 sendButton 后被调用），单选模式下没有底部发送按钮，所以也不会走到这个delegate

Declaration

Objective-C

- (void)imagePickerViewController:
            (nonnull QMUIImagePickerViewController *)imagePickerViewController
    didFinishPickingImageWithImagesAssetArray:
        (nonnull NSMutableArray *)imagesAssetArray;

Swift

optional func imagePickerViewController(_ imagePickerViewController: QMUIImagePickerViewController, didFinishPickingImageWithImagesAssetArray imagesAssetArray: NSMutableArray)

Parameters

`imagePickerViewController`	对应的 QMUIImagePickerViewController
`imagesAssetArray`	包含被选择的图片的 QMUIAsset 对象的数组。


                    
                    
                    -imagePickerViewController:didSelectImageWithImagesAsset:afterImagePickerPreviewViewControllerUpdate:

cell 被点击时调用（先调用这个接口，然后才去走预览大图的逻辑），注意这并非指选中 checkbox 事件

Declaration

Objective-C

- (void)imagePickerViewController:
            (nonnull QMUIImagePickerViewController *)imagePickerViewController
                  didSelectImageWithImagesAsset:(id)imageAsset
    afterImagePickerPreviewViewControllerUpdate:
        (nonnull QMUIImagePickerPreviewViewController *)
            imagePickerPreviewViewController;

Swift

optional func imagePickerViewController(_ imagePickerViewController: QMUIImagePickerViewController, didSelectImageWithImagesAsset imageAsset: Any!, afterImagePickerPreviewViewControllerUpdate imagePickerPreviewViewController: QMUIImagePickerPreviewViewController)

Parameters

`imagePickerViewController`	对应的 QMUIImagePickerViewController
`imageAsset`	被选中的图片的 QMUIAsset 对象
`imagePickerPreviewViewController`	选中图片后进行图片预览的 viewController


                    
                    
                    -imagePickerViewController:shouldCheckImageAtIndex:

是否能够选中 checkbox

Declaration

Objective-C

- (BOOL)imagePickerViewController:
            (nonnull QMUIImagePickerViewController *)imagePickerViewController
          shouldCheckImageAtIndex:(NSInteger)index;

Swift

optional func imagePickerViewController(_ imagePickerViewController: QMUIImagePickerViewController, shouldCheckImageAt index: Int) -> Bool


                    
                    
                    -imagePickerViewController:willCheckImageAtIndex:

即将选中 checkbox 时调用

Declaration

Objective-C

- (void)imagePickerViewController:
            (nonnull QMUIImagePickerViewController *)imagePickerViewController
            willCheckImageAtIndex:(NSInteger)index;

Swift

optional func imagePickerViewController(_ imagePickerViewController: QMUIImagePickerViewController, willCheckImageAt index: Int)


                    
                    
                    -imagePickerViewController:didCheckImageAtIndex:

选中了 checkbox 之后调用

Declaration

Objective-C

- (void)imagePickerViewController:
            (nonnull QMUIImagePickerViewController *)imagePickerViewController
             didCheckImageAtIndex:(NSInteger)index;

Swift

optional func imagePickerViewController(_ imagePickerViewController: QMUIImagePickerViewController, didCheckImageAt index: Int)


                    
                    
                    -imagePickerViewController:willUncheckImageAtIndex:

即将取消选中 checkbox 时调用

Declaration

Objective-C

- (void)imagePickerViewController:
            (nonnull QMUIImagePickerViewController *)imagePickerViewController
          willUncheckImageAtIndex:(NSInteger)index;

Swift

optional func imagePickerViewController(_ imagePickerViewController: QMUIImagePickerViewController, willUncheckImageAt index: Int)


                    
                    
                    -imagePickerViewController:didUncheckImageAtIndex:

取消了 checkbox 选中之后调用

Declaration

Objective-C

- (void)imagePickerViewController:
            (nonnull QMUIImagePickerViewController *)imagePickerViewController
           didUncheckImageAtIndex:(NSInteger)index;

Swift

optional func imagePickerViewController(_ imagePickerViewController: QMUIImagePickerViewController, didUncheckImageAt index: Int)


                    
                    
                    -imagePickerViewControllerDidCancel:

取消选择图片后被调用

Declaration

Objective-C

- (void)imagePickerViewControllerDidCancel:
    (nonnull QMUIImagePickerViewController *)imagePickerViewController;

Swift

optional func imagePickerViewControllerDidCancel(_ imagePickerViewController: QMUIImagePickerViewController)


                    
                    
                    -imagePickerViewControllerWillStartLoading:

即将需要显示 Loading 时调用

See

shouldShowDefaultLoadingView

Declaration

Objective-C

- (void)imagePickerViewControllerWillStartLoading:
    (nonnull QMUIImagePickerViewController *)imagePickerViewController;

Swift

optional func imagePickerViewControllerWillStartLoading(_ imagePickerViewController: QMUIImagePickerViewController)


                    
                    
                    -imagePickerViewControllerDidFinishLoading:

即将需要隐藏 Loading 时调用

See

shouldShowDefaultLoadingView

Declaration

Objective-C

- (void)imagePickerViewControllerDidFinishLoading:
    (nonnull QMUIImagePickerViewController *)imagePickerViewController;

Swift

optional func imagePickerViewControllerDidFinishLoading(_ imagePickerViewController: QMUIImagePickerViewController)