// 调用自带mail
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"mailto://admin@163.com"]];
// 调用电话phone
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel://8008808888"]]; //退出应用
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"telprompt://8008808888"]];//不退出应用
// 调用 SMS
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"sms://800888888"]];
// 调用自带浏览器 safari
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://www.baidu.com"]];
=================================================================
// 宏定义使用方法
#define MailSend(email) ([[UIApplication sharedApplication] openURL:[NSURL URLWithString:[NSString stringWithFormat:@"mailto://%@",email]])
#define PhoneCall(phone) ([[UIApplication sharedApplication] openURL:[NSURL URLWithString:[NSString stringWithFormat:@"tel://%@",phone]])
#define PhoneCallAuto(phone) ([[UIApplication sharedApplication] openURL:[NSURL URLWithString:[NSString stringWithFormat:@"telprompt://%@",phone]])
#define SMSSend(phone) ([[UIApplication sharedApplication] openURL:[NSURL URLWithString:[NSString stringWithFormat:@"sms://%@",phone]])
#define SafariOpen(url) ([[UIApplication sharedApplication] openURL:[NSURL URLWithString:url])
