Delphi XE4 iOS开放电子邮件程序无法正常工作 [英] Delphi XE4 iOS open email program not working

问题描述

我正在iPhone4上测试以下代码(没有SIM卡，但由于它的邮件程序可以正常工作，所以我看不出这有什么关系):

I am testing the following code on an iPhone4 (without sim card, but I don't see how that can matter since its mail program is otherwise working fine):

SharedApplication 和 canOpenURL 等都是XE4提供的例程.

The SharedApplication and canOpenURL etc. are all routines provided by XE4.

procedure TFormMain.sbContactsDetailsEmailClick(Sender: TObject);
var
  S: string;
  NSU: NSUrl;
begin
 // URL.stringByAddingPercentEscapesUsingEncoding(NSUTF8StringEncoding);
  S := 'mailto:' + '[e-mail]' + '?subject=' + 'title' + '&body=';
  NSU := StringToNSUrl(S);
  if SharedApplication.canOpenURL(NSU) then
    SharedApplication.openUrl(NSU)
  ;
end;

不幸的是，似乎 SharedApplication.canOpenURL(NSU)返回false.我做错什么了吗?

Unfortunately, it seems SharedApplication.canOpenURL(NSU) returns false. Am I doing anything wrong?

推荐答案

我本人应该已经掌握了它，但是这里有:

I should have through of it myself, but here goes:

做事

'mailto:[e-mail]?subject=test'
'mailto:[e-mail]?subject=test%20test'

不起作用

'mailto:[e-mail]?subject=test test'

(即解决方案是将空格转换为％20)

(i.e. solution is to convert spaces to %20)

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