ImagePickerPreviewControllerDelegate Protocol Reference


                    
                    
                    imagePickerPreviewController(_:didFinishPickingImage:)

完成选中图片回调，未实现时自动转发给当前imagePickerController

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewController(_ imagePickerPreviewController: ImagePickerPreviewController, didFinishPickingImage imagesAssetArray: [Asset])


                    
                    
                    imagePickerPreviewController(_:willCheckImageAt:)

即将选中图片

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewController(_ imagePickerPreviewController: ImagePickerPreviewController, willCheckImageAt index: Int)


                    
                    
                    imagePickerPreviewController(_:didCheckImageAt:)

已经选中图片

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewController(_ imagePickerPreviewController: ImagePickerPreviewController, didCheckImageAt index: Int)


                    
                    
                    imagePickerPreviewController(_:willUncheckImageAt:)

即将取消选中图片

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewController(_ imagePickerPreviewController: ImagePickerPreviewController, willUncheckImageAt index: Int)


                    
                    
                    imagePickerPreviewController(_:didUncheckImageAt:)

已经取消选中图片

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewController(_ imagePickerPreviewController: ImagePickerPreviewController, didUncheckImageAt index: Int)


                    
                    
                    imagePickerPreviewController(_:willChangeCheckedCount:)

选中数量变化时调用，仅多选有效

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewController(_ imagePickerPreviewController: ImagePickerPreviewController, willChangeCheckedCount checkedCount: Int)


                    
                    
                    imagePickerPreviewControllerWillStartLoading(_:)

即将需要显示 Loading 时调用

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewControllerWillStartLoading(_ imagePickerPreviewController: ImagePickerPreviewController)


                    
                    
                    imagePickerPreviewControllerDidFinishLoading(_:)

即将需要隐藏 Loading 时调用

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewControllerDidFinishLoading(_ imagePickerPreviewController: ImagePickerPreviewController)


                    
                    
                    imagePickerPreviewControllerWillShowExceed(_:)

已经选中数量超过最大选择数量时被调用，默认弹窗提示

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewControllerWillShowExceed(_ imagePickerPreviewController: ImagePickerPreviewController)


                    
                    
                    imagePickerPreviewControllerDidCancel(_:)

图片预览界面关闭返回时被调用

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewControllerDidCancel(_ imagePickerPreviewController: ImagePickerPreviewController)


                    
                    
                    imagePickerPreviewController(_:willEditImageAt:)

自定义编辑按钮点击事件，启用编辑时生效，未实现时使用图片裁剪控制器

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewController(_ imagePickerPreviewController: ImagePickerPreviewController, willEditImageAt index: Int)


                    
                    
                    imageCropController(for:image:)

自定义图片裁剪控制器，启用编辑时生效，未实现时使用默认配置

Declaration

Swift

@objc
@MainActor
optional func imageCropController(for imagePickerPreviewController: ImagePickerPreviewController, image: UIImage) -> ImageCropController


                    
                    
                    imagePickerPreviewController(_:customCell:at:)

自定义编辑cell展示，cellForRow自动调用

Declaration

Swift

@objc
@MainActor
optional func imagePickerPreviewController(_ imagePickerPreviewController: ImagePickerPreviewController, customCell cell: ImagePickerPreviewCollectionCell, at indexPath: IndexPath)