[英]How can I send message to specific contact through WhatsApp from my ios app using swift?
[英]How can I share location from my app to WhatsApp in Swift 3
我正在尝试从我的iOS应用程序到WhatsApp共享一个位置,我希望它看起来像这样:
我正在做的是发送带有此代码的vCard:
func vCardURL(from coordinate: CLLocationCoordinate2D, with name: String?) -> URL {
let vCardFileURL = URL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent("Shared Location.loc.vcf")
let vCardString = [
"BEGIN:VCARD",
"VERSION:3.0",
//"PRODID:-//Apple Inc.//iPhone OS 10.3.2//EN",
"N:;My Location;;;",
"FN:My Location",
"item1.URL;type=pref:https://maps.apple.com/?ll=50.359890\\,12.934560&q=My%20Location&t=m",
"item1.X-ABLabel:map url",
"END:VCARD"
].joined(separator: "\n")
do {
try vCardString.write(toFile: vCardFileURL.path, atomically: true, encoding: .utf8)
} catch let error {
print("Error, \(error.localizedDescription), saving vCard: \(vCardString) to file path: \(vCardFileURL.path).")
}
print(vCardString)
return vCardFileURL
} // end of function
//在上面打电话给上面的人
let vURL = LocationVCard.vCardURL(from: self.newLocation.coordinate, with: "Berlin")
let activityViewController = UIActivityViewController(activityItems: [vURL], applicationActivities: nil)
self.present(activityViewController, animated: true, completion: nil)
无需电子名片字符串保存到一个文件,只需将其转换成Data
与,敷NSItemProvider
正确类型标识符public.vcard
,它会工作得很好:
let data = vCardString.data(using: .utf8)! as NSData
let item = NSItemProvider(item: data, typeIdentifier: "public.vcard")
let activityViewController = UIActivityViewController(activityItems: [item], applicationActivities: nil)
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