(转)iphone应用开发：发送短信/邮件/打电话

+ (void) makeCall:(NSString *)phoneNumber  
{  
    if ([DeviceDetection isIPodTouch]){  
        [UIUtils alert:kCallNotSupportOnIPod];  
        return;  
    }  
      
    NSString* numberAfterClear = [UIUtils cleanPhoneNumber:phoneNumber];      
      
    NSURL *phoneNumberURL = [NSURL URLWithString:[NSString stringWithFormat:@"tel:%@", numberAfterClear]];  
    NSLog(@"make call, URL=%@", phoneNumberURL);  
      
    [[UIApplication sharedApplication] openURL:phoneNumberURL];      
}  
+ (void) sendSms:(NSString *)phoneNumber  
{  
    if ([DeviceDetection isIPodTouch]){  
        [UIUtils alert:kSmsNotSupportOnIPod];  
        return;  
    }  
      
    NSString* numberAfterClear = [UIUtils cleanPhoneNumber:phoneNumber];  
      
    NSURL *phoneNumberURL = [NSURL URLWithString:[NSString stringWithFormat:@"sms:%@", numberAfterClear]];  
    NSLog(@"send sms, URL=%@", phoneNumberURL);  
    [[UIApplication sharedApplication] openURL:phoneNumberURL];      
}  
+ (void) sendEmail:(NSString *)phoneNumber  
{  
    NSURL *phoneNumberURL = [NSURL URLWithString:[NSString stringWithFormat:@"mailto:%@", phoneNumber]];  
    NSLog(@"send sms, URL=%@", phoneNumberURL);  
    [[UIApplication sharedApplication] openURL:phoneNumberURL];      
}  
+ (void) sendEmail:(NSString *)to cc:(NSString*)cc subject:(NSString*)subject body:(NSString*)body  
{  
    NSString* str = [NSString stringWithFormat:@"mailto:%@?cc=%@&subject=%@&body=%@",  
                     to, cc, subject, body];  
    str = [str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];  
      
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];  
      
}  

原文：http://blog.csdn.net/qiaoshe/article/details/6936643