iOS URL Scheme

需要真机测试

/**

* 发送邮件

*/

[[UIApplicationsharedApplication]openURL:[NSURL
URLWithString:@"mailto:devprograms@apple.com"]];
/**

* 打电话

*/

[[UIApplicationsharedApplication]
openURL:[NSURLURLWithString:[NSStringstringWithFormat:@"tel://%@",@"110"]]];

/**

* 跳转到QQ

*/

[[UIApplicationsharedApplication]openURL:[NSURLURLWithString:@"mqq://"]];

/**

* 发短信

*/

[[UIApplicationsharedApplication]openURL:[NSURLURLWithString:@"sms:1-408-555-1212"]];

/**

* 判断是否安装QQ

*/

if ([[UIApplication sharedApplication] canOpenURL:[NSURL URLWithString:@"mqq://"]])
{
NSLog(@"已安装");

}else{
NSLog(@"未安装");
}

更多请参阅：iPhoneURLScheme_Reference