NIMCustomAttachment Protocol Reference

Conforms to NSObject
Declared in NIMCustomObject.h

Overview

自定义消息对象附件协议

– encodeAttachment required method

序列化attachment

- (NSString *)encodeAttachment

Return Value

序列化后的结果，将用于透传

Discussion

序列化attachment

Declared In

NIMCustomObject.h

– attachmentNeedsUpload

是否需要上传附件

- (BOOL)attachmentNeedsUpload

Return Value

是否需要上传附件

Discussion

是否需要上传附件

Declared In

NIMCustomObject.h

– attachmentPathForUploading

需要上传的附件路径

- (NSString *)attachmentPathForUploading

Return Value

路径

Discussion

需要上传的附件路径

Declared In

NIMCustomObject.h

– updateAttachmentURL:

更新附件URL

- (void)updateAttachmentURL:(NSString *)urlString

Parameters

urlString

附件url

Discussion

更新附件URL

Declared In

NIMCustomObject.h

– attachmentNeedsDownload

是否需要下载附件

- (BOOL)attachmentNeedsDownload

Return Value

是否需要上传附件

Discussion

是否需要下载附件

Declared In

NIMCustomObject.h

– attachmentURLStringForDownloading

需要下载的附件url

- (NSString *)attachmentURLStringForDownloading

Return Value

附件url

Discussion

需要下载的附件url

如果当前字段是云信的 http url 地址，那么需要调用 idNIMResourceManager 中 normalizeURLString: 方法将这个地址进行转 https 和 cdn 加速格式

Declared In

NIMCustomObject.h

– attachmentPathForDownloading

需要下载的附件本地路径

- (NSString *)attachmentPathForDownloading

Return Value

附件本地路径

Discussion

需要下载的附件本地路径

上层需要保证路径的

Declared In

NIMCustomObject.h