[英]Add Notes and Images to serialized VCF contact
我正在嘗試使用CNContactVCardSerialization
將聯系人另存為vcf,效果比較好。 我確實發現蘋果不將Notes或Images包含在VCF中。 我確實使用了stackoverflow答案來幫助圖像序列化,但是現在我也在努力添加注釋。
這是我嘗試過的:
extension CNContactVCardSerialization {
internal class func vcardDataAppendingPhoto(vcard: Data, photoAsBase64String photo: String) -> Data? {
let vcardAsString = String(data: vcard, encoding: .utf8)
let vcardPhoto = "PHOTO;TYPE=JPEG;ENCODING=BASE64:".appending(photo)
let vcardPhotoThenEnd = vcardPhoto.appending("\nEND:VCARD")
if let vcardPhotoAppended = vcardAsString?.replacingOccurrences(of: "END:VCARD", with: vcardPhotoThenEnd) {
return vcardPhotoAppended.data(using: .utf8)
}
return nil
}
internal class func vcardDataAppendingNote(vcard: Data, note:String) -> Data? {
let vcardAsString = String(data: vcard, encoding: .utf8)
let vcardNote = "NOTE:".appending(note)
let vcardNoteThenEnd = vcardNote.appending("\nEND:VCARD")
if let vcardNoteAppended = vcardAsString?.replacingOccurrences(of: "END:VCARD", with: vcardNoteThenEnd) {
return vcardNoteAppended.data(using: .utf8)
}
return nil
}
class func data(jpegPhotoContacts: [CNContact]) throws -> Data {
var overallData = Data()
for contact in jpegPhotoContacts {
let data = try CNContactVCardSerialization.data(with: [contact])
if (contact.note != "") || contact.imageDataAvailable {
if contact.imageDataAvailable {
if let base64imageString = contact.thumbnailImageData?.base64EncodedString(),
let updatedData = vcardDataAppendingPhoto(vcard: data, photoAsBase64String: base64imageString) {
overallData.append(updatedData)
}
}
if contact.note != ""{
if let updatedData = vcardDataAppendingNote(vcard: data, note: contact.note){
overallData.append(updatedData)
}
}
} else {
overallData.append(data)
}
}
return overallData
}
}
這似乎不起作用。 我可以使注釋或圖像部分正常工作,但不能同時工作。
我可能沒有正確添加到VCF文件中。
任何幫助是極大的贊賞。
它雖然不漂亮,但是這是我已經做過的事情,現在它正在工作:
extension CNContactVCardSerialization {
internal class func vcardDataAppendingPhoto(vcard: Data, photoAsBase64String photo: String) -> Data? {
let vcardAsString = String(data: vcard, encoding: .utf8)
let vcardPhoto = "PHOTO;TYPE=JPEG;ENCODING=BASE64:".appending(photo)
if let vcardPhotoAppended = vcardAsString?.appending(vcardPhoto) {
return vcardPhotoAppended.data(using: .utf8)
}
return nil
}
internal class func vcardDataAppendingNote(vcard: Data, note:String) -> Data? {
let vcardAsString = String(data: vcard, encoding: .utf8)
let vcardNote = "NOTE:".appending(note)
let vcardFinal = vcardNote.appending("\n")
if let vcardNoteAppended = vcardAsString?.appending(vcardFinal) {
return vcardNoteAppended.data(using: .utf8)
}
return nil
}
internal class func vcardDataAppendingEnd(vcard: Data) -> Data? {
let vcardAsString = String(data: vcard, encoding: .utf8)
let vcardEnd = "\nEND:VCARD"
if let vcardEndAppended = vcardAsString?.appending(vcardEnd) {
return vcardEndAppended.data(using: .utf8)
}
return nil
}
internal class func vcardDataCleanEnd(vcard: Data) -> Data? {
let vcardAsString = String(data: vcard, encoding: .utf8)
if let vcardCleaned = vcardAsString?.replacingOccurrences(of: "END:VCARD", with: "\n"){
return vcardCleaned.data(using: .utf8)
}
return nil
}
class func data(jpegPhotoContacts: [CNContact]) throws -> Data {
var overallData = Data()
for contact in jpegPhotoContacts {
let data = try CNContactVCardSerialization.data(with: [contact])
if (contact.note != "") || contact.imageDataAvailable {
if let updatedData = vcardDataCleanEnd(vcard: data){
overallData = updatedData
}
if contact.note != ""{
if let updatedData = vcardDataAppendingNote(vcard: overallData, note: contact.note){
overallData = updatedData
}
}
if contact.imageDataAvailable {
if let base64imageString = contact.thumbnailImageData?.base64EncodedString(),
let updatedData = vcardDataAppendingPhoto(vcard: overallData, photoAsBase64String: base64imageString) {
overallData = updatedData
}
}
if let updatedData = vcardDataAppendingEnd(vcard: overallData){
overallData = updatedData
}
} else {
overallData.append(data)
}
}
return overallData
}
}
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