Iphone的发送短信-邮件-打电话代码示例 ：
01.+ (void)alert:(NSString *)msg
02.{
03.UIAlertView *alertView = [[[UIAlertView alloc] initWithTitle:msg message:@"" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:nil, nil] autorelease];
04.[alertView showWithBackground];
05.}
06.
07.+ (NSString*) cleanPhoneNumber:(NSString*)phoneNumber
08.{
09.NSString* number = [NSString stringWithString:phoneNumber];
10.NSString* number1 = [[[number stringByReplacingOccurrencesOfString:@" " withString:@""]
11.// stringByReplacingOccurrencesOfString:@"-" withString:@""]
12.stringByReplacingOccurrencesOfString:@"(" withString:@""]
13.stringByReplacingOccurrencesOfString:@")" withString:@""];
14.
15.return number1;
16.}
17.
18.+ (void) makeCall:(NSString *)phoneNumber
19.{
20.if ([DeviceDetection isIPodTouch]){
21.[UIUtils alert:kCallNotSupportOnIPod];
22.return;
23.}
24.
25.NSString* numberAfterClear = [UIUtils cleanPhoneNumber:phoneNumber];
26.
27.NSURL *phoneNumberURL = [NSURL URLWithString:[NSString stringWithFormat:@"tel:%@", numberAfterClear]];
28.NSLog(@"make call, URL=%@", phoneNumberURL);
29.
30.[[UIApplication sharedApplication] openURL:phoneNumberURL];
31.}
32.
33.+ (void) sendSms:(NSString *)phoneNumber
34.{
35.if ([DeviceDetection isIPodTouch]){
36.[UIUtils alert:kSmsNotSupportOnIPod];
37.return;
38.}
39.
40.NSString* numberAfterClear = [UIUtils cleanPhoneNumber:phoneNumber];
41.
42.NSURL *phoneNumberURL = [NSURL URLWithString:[NSString stringWithFormat:@"sms:%@", numberAfterClear]];
43.NSLog(@"send sms, URL=%@", phoneNumberURL);
44.[[UIApplication sharedApplication] openURL:phoneNumberURL];
45.}
46.
47.+ (void) sendEmail:(NSString *)phoneNumber
48.{
49.NSURL *phoneNumberURL = [NSURL URLWithString:[NSString stringWithFormat:@"mailto:%@", phoneNumber]];
50.NSLog(@"send sms, URL=%@", phoneNumberURL);
51.[[UIApplication sharedApplication] openURL:phoneNumberURL];
52.}
53.
54.+ (void) sendEmail:(NSString *)to cc:(NSString*)cc subject:(NSString*)subject body:(NSString*)body
55.{
56.NSString* str = [NSString stringWithFormat:@"mailto:%@?cc=%@&subject=%@&body=%@",
57.to, cc, subject, body];
58.
59.str = [str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
60.
61.[[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];
62.
63.}