objective-c - 如何将图像粘贴到 MessageComposer

Question

我已将图像作为数据复制到 UIPasteboard，我需要将此图像自动粘贴到 Message Compose 而无需用户交互。怎么做 ？

NSData *imageData = UIImagePNGRepresentation(image1);
UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
[pasteboard setData:imageData forPasteboardType:@"public.png"];