小编vij*_*jay的帖子

Gemfile在rails中有什么用？

怎么用Gemfile？

我们正在尝试将应用的更新版本上传到商店.上传需要很长时间,最后完成后,我们会收到以下警告.

...校验和验证失败.

...校验和验证失败.

Transporter无法更新一个或多个软件组件.请稍后再试.

无论如何,Apple服务器都会收到上传,状态显示为"等待审核".

我试图通过CLLocationManager使用纬度和经度获取地址,但它只返回州和国家名称,我也想要城市,我附加我的代码可以任何人告诉我,我怎么能改变我的代码以获得城市名称.Below是我的代码

- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations
{
    currentLocation = [locations objectAtIndex:0];
    CLGeocoder *geocoder1 = [[CLGeocoder alloc] init];

     NSLog(@"Detected Location : %f, %f", currentLocation.coordinate.latitude, currentLocation.coordinate.longitude);

    //CLLocation *newLocation = [[CLLocation alloc]initWithLatitude:26.9260 longitude:75.8235];

    CLLocation *newLocation = [[CLLocation alloc]initWithLatitude:currentLocation.coordinate.latitude longitude:currentLocation.coordinate.longitude];

    [geocoder1 reverseGeocodeLocation:newLocation
                   completionHandler:^(NSArray *placemarks, NSError *error) {

                       if (error) {
                           NSLog(@"Geocode failed with error: %@", error);
                           return;
                       }

                       if (placemarks && placemarks.count > 0)
                       {
                           CLPlacemark *placemark = placemarks[0];

                           NSDictionary *addressDictionary =
                           placemark.addressDictionary;

                           NSLog(@"%@ ", addressDictionary);
                           NSString *address = [addressDictionary
                                                objectForKey:(NSString *)kABPersonAddressStreetKey];
                           NSString *city …

我正在努力实现在发现安全的wifi网络时出现的对话框.我正在附加该对话框的图像.我只想从我的应用程序中调用这样的对话框.