ImagePickerControllerDelegate Protocol Reference
ImagePickerControllerDelegate
@objc
public protocol ImagePickerControllerDelegateUndocumented
-
创建一个 ImagePickerPreviewViewController 用于预览图片
Declaration
Swift
@objc optional func imagePickerPreviewController(for imagePickerController: ImagePickerController) -> ImagePickerPreviewController -
控制照片的排序，若不实现，默认为 AlbumSortTypePositive
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 AlbumSortTypePositive，则列表默认滚动到底部，如果为 AlbumSortTypeReverse，则列表默认滚动到顶部。
Declaration
Swift
@objc optional func albumSortType(for imagePickerController: ImagePickerController) -> AlbumSortType -
选择图片完毕后被调用（点击 sendButton 后被调用），如果previewController没有实现完成回调方法，也会走到这个方法
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, didFinishPickingImage imagesAssetArray: [Asset])Parameters
imagePickerController对应的 ImagePickerController
imagesAssetArray包含被选择的图片的 Asset 对象的数组。
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取消选择图片后被调用，如果albumController没有实现取消回调方法，也会走到这个方法
Declaration
Swift
@objc optional func imagePickerControllerDidCancel(_ imagePickerController: ImagePickerController) -
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
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, didSelectImage imageAsset: Asset, afterPreviewControllerUpdate imagePickerPreviewController: ImagePickerPreviewController)Parameters
imagePickerController对应的 ImagePickerController
imageAsset被选中的图片的 Asset 对象
imagePickerPreviewController选中图片后进行图片预览的 viewController
-
是否能够选中 checkbox
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, shouldCheckImageAt index: Int) -> Bool -
即将选中 checkbox 时调用
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, willCheckImageAt index: Int) -
选中了 checkbox 之后调用
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, didCheckImageAt index: Int) -
即将取消选中 checkbox 时调用
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, willUncheckImageAt index: Int) -
取消了 checkbox 选中之后调用
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, didUncheckImageAt index: Int) -
选中数量变化时调用，仅多选有效
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, willChangeCheckedCount checkedCount: Int) -
自定义图片九宫格cell展示，cellForRow自动调用
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, customCell cell: ImagePickerCollectionCell, at indexPath: IndexPath) -
标题视图被点击时调用，返回弹出的相册列表控制器
Declaration
Swift
@objc optional func albumController(for imagePickerController: ImagePickerController) -> ImageAlbumController -
即将显示弹出相册列表控制器时调用
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, willShowAlbumController albumController: ImageAlbumController) -
即将隐藏弹出相册列表控制器时调用
Declaration
Swift
@objc optional func imagePickerController(_ imagePickerController: ImagePickerController, willHideAlbumController albumController: ImageAlbumController) -
即将需要显示 Loading 时调用
Declaration
Swift
@objc optional func imagePickerControllerWillStartLoading(_ imagePickerController: ImagePickerController) -
即将需要隐藏 Loading 时调用
Declaration
Swift
@objc optional func imagePickerControllerDidFinishLoading(_ imagePickerController: ImagePickerController) -
图片未授权时调用，可自定义空界面等
Declaration
Swift
@objc optional func imagePickerControllerWillShowDenied(_ imagePickerController: ImagePickerController) -
图片为空时调用，可自定义空界面等
Declaration
Swift
@objc optional func imagePickerControllerWillShowEmpty(_ imagePickerController: ImagePickerController) -
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 optional func imagePickerControllerWillShowExceed(_ imagePickerController: ImagePickerController)