iOS内部跳转问题

    //打开地图
       NSString*addressText = @" "; //@"1Infinite Loop, Cupertino, CA 95014";
        addressText =[addressText stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding];
        NSString*urlText = [NSString stringWithFormat:@"http://maps.google.com/maps?q=%@",addressText];
        NSLog(@"urlText=============== %@", urlText);
        [[UIApplication sharedApplication] openURL:[NSURL URLWithString:urlText]];
    
    
    //打开邮件  收件人：devprograms@apple.com
   [[UIApplication sharedApplication]openURL:[NSURL URLWithString:@"mailto://devprograms@apple.com"]];
    
    //打开短信  收件人：138
    [[UIApplication sharedApplication]openURL:[NSURL URLWithString:@"sms://138"]];
    //打开拨号  直接拨打给：8004664411
   [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"tel://8004664411"]];

    //打开浏览器  访问网址 http://itunesconnect.apple.com
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://itunesconnect.apple.com"]];
    
    //打开设置
   [[UIApplication sharedApplication] openURL:[NSURL URLWithString:UIApplicationOpenSettingsURLString]];