gistfile1.txt

#import "GmapViewController.h"
#import "AFNetworking.h"

@import GoogleMaps;
@interface GmapViewController ()

@end

@implementation GmapViewController
{
    GMSMapView *mapView_;
    NSString *lat;
    NSString *lng;
    CLLocationDegrees latitude;
    CLLocationDegrees longitude;
    UIActivityIndicatorView *activityView;
}

-(void)geoCodeAddress
{
    NSCharacterSet *doNotWant = [NSCharacterSet characterSetWithCharactersInString:@":/,."];
    self.address = [[self.address componentsSeparatedByCharactersInSet: doNotWant] componentsJoinedByString: @""];
    NSString *urlString=[NSString stringWithFormat:@"https://maps.googleapis.com/maps/api/geocode/json?address=%@",self.address];
    
    urlString = [urlString stringByAddingPercentEscapesUsingEncoding:
                 NSUTF8StringEncoding];
    AFHTTPRequestOperationManager *manager = [[AFHTTPRequestOperationManager alloc] initWithBaseURL:[NSURL URLWithString:urlString]];
    manager.requestSerializer = [AFJSONRequestSerializer serializer];
    AFHTTPRequestOperation *operation = [manager GET:urlString parameters:nil
                                             success:^(AFHTTPRequestOperation *operation, id responseObject)
                                         {
                                             NSArray * results = [responseObject objectForKey:@"results"];
                                             NSDictionary *records=[results objectAtIndex:0];
                                             NSDictionary *geometry=[records objectForKey:@"geometry"];
                                             NSLog(@"geomatry is %@",geometry);
                                             NSDictionary *latLong=[geometry objectForKey:@"location"];
                                             lat=[latLong objectForKey:@"lat"];
                                             lng=[latLong objectForKey:@"lng"];
                                             latitude=[lat floatValue];
                                             longitude=[lng floatValue];
                                             NSLog(@"main lat is %f",latitude);
                                             NSLog(@"main lng is %f",longitude);
                                             dispatch_async(dispatch_get_main_queue(), ^{
                                                 [self activityIndicator:@"hide"];
                                                 [self updateMap];
                                             });
                                             
                                         }
                                             failure:^(AFHTTPRequestOperation *operation, NSError *error)
                                         {
                                             NSLog(@"failure string is");
                                             [self activityIndicator:@"hide"];
                                             UIAlertView *alert =[[UIAlertView alloc]initWithTitle:@"Warning" message:@"Unable to display map" delegate:self cancelButtonTitle:@"Ok" otherButtonTitles:nil];
                                             [alert show];
                                         }];
    [operation start];
}
- (void)viewDidLoad
{
    [super viewDidLoad];
    [self activityIndicator:@"show"];
    [self Loadgmap];
    [self geoCodeAddress];
}

-(void)updateMap {
    GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:[lat floatValue]
                                                            longitude:[lng floatValue]
                                                                 zoom:6];
    
    GMSMarker *marker = [[GMSMarker alloc] init];
    marker.position = camera.target;
    marker.snippet = @"Hello World";
    marker.appearAnimation = kGMSMarkerAnimationPop;
    marker.map = (GMSMapView*)self.view;
    
    [((GMSMapView*)self.view) animateToCameraPosition:camera];
}

-(void)Loadgmap
{
    GMSCameraPosition *camera = [GMSCameraPosition cameraWithLatitude:[lat floatValue]
                                                            longitude:[lng floatValue]
                                                                 zoom:6];
    GMSMapView *mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];
    GMSMarker *marker = [[GMSMarker alloc] init];
    marker.position = camera.target;
    marker.snippet = @"Hello World";
    marker.appearAnimation = kGMSMarkerAnimationPop;
    marker.map = mapView;
    
    self.view = mapView;
}

-(void)activityIndicator:(NSString *)show
{
    if([show isEqual:@"show"])
    {
        NSLog(@"loading shown");
        
        [[UIApplication sharedApplication] beginIgnoringInteractionEvents];
        activityView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
        activityView.layer.backgroundColor = [[UIColor colorWithWhite:0.0f alpha:0.5f] CGColor];
        activityView.hidesWhenStopped = YES;
        activityView.frame = self.view.bounds;
        [self.view addSubview:activityView];
        [activityView startAnimating];
    }
    else
    {
        [[UIApplication sharedApplication] endIgnoringInteractionEvents];
        [activityView stopAnimating];
        [activityView removeFromSuperview];
    }
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
 #pragma mark - Navigation
 
 // In a storyboard-based application, you will often want to do a little preparation before navigation
 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
 // Get the new view controller using [segue destinationViewController].
 // Pass the selected object to the new view controller.
 }
 */

@end