iOS-打电话、发短信、发邮件、打开浏览器

- (IBAction)showAlert:(UIButton *)sender {

    NSString *phoneNumber=@"18500138888";

    NSString *url=[NSString stringWithFormat:@"tel://%@",phoneNumber];

    [self openUrl:url];

    

}

 

- (IBAction)sendMsg:(UIButton *)sender {

    NSString *phoneNumber=@"18500138888";

    NSString *url=[NSString stringWithFormat:@"sms://%@",phoneNumber];

    [self openUrl:url];

}

 

- (IBAction)sendEmail:(UIButton *)sender {

    NSString *mailAddress=@"kenshin@hotmail.com";

    NSString *url=[NSString stringWithFormat:@"mailto://%@",mailAddress];

    [self openUrl:url];

}

 

- (IBAction)openBrowser:(UIButton *)sender {

    NSString *url=@"http://www.cnblogs.com/kenshincui";

    [self openUrl:url];

}

- (void)openUrl:(NSString *)urlStr {

    NSURL *url = [NSURL URLWithString:urlStr];

    UIApplication *application = [UIApplication sharedApplication];

    if (![application canOpenURL:url]) {

        NSLog(@"无法打开\"%@\",请确保此应用已经正确安装",url);

        return;

    }

    [[UIApplication sharedApplication] openURL:url];

}