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Editorial Team
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Asked: 2026-05-22T18:40:17+00:00

I’m facing a issue with opening mail client using openURL. Here is the code.

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I’m facing a issue with opening mail client using openURL. Here is the code.

NSString *subject = @"Demo Subject";
NSString *body = @"<html><head>Header</head><body><a href=\"http://example.com\">Here is the demo link</a></body></html>";
NSString *urlString = [NSString stringWithFormat:@"mailto:?&subject=%@&body=%@",subject,body];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlString]];

I guess, is there any kind of encoding needed to use special characters, which is do present, but not shown here in the sample text.

Thanks

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1 Answer

  1. Editorial Team
    NSString *htmlBody = @"you probably want something HTML-y here";

// First escape the body using a CF call
NSString *escapedBody = [(NSString*)CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,  (CFStringRef)htmlBody, NULL,  CFSTR("?=&+"), kCFStringEncodingUTF8) autorelease];

// Then escape the prefix using the NSString method
NSString *mailtoPrefix = [@"mailto:?subject=Some Subject&body=" stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

// Finally, combine to create the fully escaped URL string
NSString *mailtoStr = [mailtoPrefix stringByAppendingString:escapedBody];

// And let the application open the merged URL
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:mailtoStr]];
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