使用带有附件的MFMailComposeViewController会导致电子邮件留在发件箱中，并且永远不会从我的Air 2发送。我的专业版9.2上的相同应用程序发送罚款。
//.h
@interface embEmailData : NSObject
{
NSArray *to;
NSArray *cc;
NSArray *bcc;
NSString *subject;
NSString *body;
NSArray *attachment;
}
@property (nonatomic, assign) BOOL optionsAlert;
-(void)setTo:(NSArray*)to;
-(NSArray*)to;
-(void)setCc:(NSArray*)cc;
-(NSArray*)cc;
-(void)setBcc:(NSArray*)bcc;
-(NSArray*)bcc;
-(void)setSubject:(NSString*)subject;
-(NSString*)subject;
-(void)setBody:(NSString*)body;
-(NSString*)body;
-(void)setAttachment:(NSArray*)attachment;
-(NSArray*)attachment;
-(void)setOptionsAlert:(BOOL)options;
//.m
#import "embEmailData.h"
#import <MessageUI/MFMailComposeViewController.h>
#import "UIImage+Utilities.h"
@import MessageUI;
#define kemailShowNSLogBOOL NO
@interface embEmailData () <MFMessageComposeViewControllerDelegate, MFMailComposeViewControllerDelegate>
@property (nonatomic, strong) embEmailData *receivedData;
@property (nonatomic, strong) UIViewController *topVC;
@end
@implementation embEmailData
- (id)init {
self = [super init];
if (self) {
// Delay execution of my block for 0.1 seconds.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, 0.1 * NSEC_PER_SEC), dispatch_get_main_queue(), ^{
[self postEmail];
});
_topVC = [UIApplication sharedApplication].keyWindow.rootViewController;
}
return self;
}
-(void)setTo:(NSArray*)_to
{
to = _to;
if (kemailShowNSLogBOOL) NSLog(@"%@",to);
}
-(NSArray*)to {
return to;
}
-(void)setCc:(NSArray*)_cc
{
cc = _cc;
if (kemailShowNSLogBOOL) NSLog(@"%@",cc);
}
-(NSArray*)cc {
return cc;
}
-(void)setBcc:(NSArray*)_bcc
{
bcc = _bcc;
if (kemailShowNSLogBOOL) NSLog(@"%@",bcc);
}
-(NSArray*)bcc {
return bcc;
}
-(void)setSubject:(NSString*)_subject
{
subject = _subject;
if (kemailShowNSLogBOOL) NSLog(@"%@",subject);
}
-(NSString*)subject {
return subject;
}
-(void)setBody:(NSString*)_body
{
body = _body;
if (kemailShowNSLogBOOL) NSLog(@"%@",body);
}
-(NSString*)body {
return body;
}
-(void)setAttachment:(NSArray*)_attachment
{
attachment = _attachment;
if (kemailShowNSLogBOOL) NSLog(@"%@",attachment);
}
-(NSArray*)attachment {
return attachment;
}
-(void)setOptionsAlert:(BOOL)options
{
if (options)
{
if (kemailShowNSLogBOOL) NSLog(@"options");
}
else
{
if (kemailShowNSLogBOOL) NSLog(@"no options");
}
_optionsAlert = options;
}
-(void)postEmail
{
_receivedData = self;
[self emailData];
}
#pragma mark - Email Delegates
-(void)emailData
{
if ([MFMailComposeViewController canSendMail] == YES) {
MFMailComposeViewController *picker = [[MFMailComposeViewController alloc] init];
picker.mailComposeDelegate = self; // <- very important step if you want feedbacks on what the user did with your email sheet
if(_receivedData.to)
[picker setToRecipients:_receivedData.to];
if(_receivedData.cc)
for (NSString *email in _receivedData.cc) {
NSLog(@"cc email: %@",email);
}
[picker setCcRecipients:_receivedData.cc];
if(_receivedData.bcc)
[picker setBccRecipients:_receivedData.bcc];
if(_receivedData.subject)
[picker setSubject:_receivedData.subject];
if(_receivedData.body)
[picker setMessageBody:_receivedData.body isHTML:NO]; // depends. Mostly YES, unless you want to send it as plain text (boring)
// attachment code
if(_receivedData.attachment) {
NSString *filePath;
NSString *justFileName;
NSData *myData;
UIImage *pngImage;
NSString *newname;
for (id file in _receivedData.attachment)
{
// check if it is a uiimage and handle
if ([file isKindOfClass:[UIImage class]]) {
NSLog(@"UIImage");
myData = UIImagePNGRepresentation(file);
[picker addAttachmentData:myData mimeType:@"image/png" fileName:@"image.png"];
// might be nsdata for pdf
} else if ([file isKindOfClass:[NSData class]]) {
NSLog(@"pdf");
myData = [NSData dataWithData:file];
NSString *mimeType;
mimeType = @"application/pdf";
newname = @"Westbrook Brochure.pdf";
[picker addAttachmentData:myData mimeType:mimeType fileName:newname];
// it must be another file type?
} else {
justFileName = [[file lastPathComponent] stringByDeletingPathExtension];
NSString *mimeType;
// Determine the MIME type
if ([[file pathExtension] isEqualToString:@"jpg"]) {
mimeType = @"image/jpeg";
} else if ([[file pathExtension] isEqualToString:@"png"]) {
mimeType = @"image/png";
pngImage = [UIImage imageNamed:file];
} else if ([[file pathExtension] isEqualToString:@"doc"]) {
mimeType = @"application/msword";
} else if ([[file pathExtension] isEqualToString:@"ppt"]) {
mimeType = @"application/vnd.ms-powerpoint";
} else if ([[file pathExtension] isEqualToString:@"html"]) {
mimeType = @"text/html";
} else if ([[file pathExtension] isEqualToString:@"pdf"]) {
mimeType = @"application/pdf";
} else if ([[file pathExtension] isEqualToString:@"com"]) {
mimeType = @"text/plain";
}
filePath= [[NSBundle mainBundle] pathForResource:justFileName ofType:[file pathExtension]];
NSLog(@"filePath %@ ",filePath);
UIImage * thumb = [UIImage imageNamed:filePath];
UIImage * resizeThumb = [UIImage resizeImage:thumb withMaxDimension:999];
if ([[file pathExtension] isEqualToString:@"pdf"]) {
//myData = [NSData dataWithData:file];
myData = [[NSFileManager defaultManager] contentsAtPath:filePath];
NSLog(@"ITS A PDF");
} else // if it is anything but a png file
if (![[file pathExtension] isEqualToString:@"png"]) {
//myData = [NSData dataWithContentsOfFile:filePath];
myData = UIImageJPEGRepresentation(resizeThumb, 1.0);
} else {
myData = UIImagePNGRepresentation(resizeThumb);
}
newname = file;
[picker addAttachmentData:myData mimeType:mimeType fileName:newname];
}
}
}
picker.navigationBar.barStyle = UIBarStyleBlack; // choose your style, unfortunately, Translucent colors behave quirky.
[_topVC presentViewController:picker animated:YES completion:nil];
} else {
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Status" message:[NSString stringWithFormat:@"Email needs to be configured before this device can send email. nn Use support@neoscape.com on a device capable of sending email."]
delegate:self cancelButtonTitle:@"OK" otherButtonTitles: nil];
[alert show];
}
}
- (void)mailComposeController:(MFMailComposeViewController*)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError*)error
{
// Notifies users about errors associated with the interface
switch (result)
{
case MFMailComposeResultCancelled:
break;
case MFMailComposeResultSaved:
break;
case MFMailComposeResultSent:
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Thank you!" message:@"Email Sent Successfully"
delegate:self cancelButtonTitle:@"OK" otherButtonTitles: nil];
[alert show];
}
break;
case MFMailComposeResultFailed:
break;
default:
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Status" message:@"Sending Failed - Unknown Error"
delegate:self cancelButtonTitle:@"OK" otherButtonTitles: nil];
[alert show];
}
break;
}
[_topVC dismissViewControllerAnimated:YES completion:nil];
}
-(void)messageComposeViewController:(MFMessageComposeViewController *)controller didFinishWithResult:(MessageComposeResult)result
{
NSLog(@"FINISHED");
}
EDIT：它有时仍然会随机为我做这件事。它们会放在发件箱中，直到我删除它们。我更新到9.3.5并发送了电子邮件。不确定发生了什么。
我从我的设备上删除了我的电子邮件帐户（这是一个公司Gmail帐户）。我注意到"邮件"、"日历"、"联系人"one_answers"备注"已打开。
删除并再次添加后，Notes默认为OFF，我的电子邮件现在可以再次从我的应用程序发送。YMMV。