Adding search bar in map view to change easily location #133

iPokeGo/Assets.xcassets/search.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "search_filled-2.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "search_filled-1.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "search_filled.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

iPokeGo/MapViewController.h

@@ -16,14 +16,16 @@
 #import "SVPulsingAnnotationView.h"
 #import "global.h"
 
-@interface MapViewController : UIViewController <MKMapViewDelegate, CLLocationManagerDelegate, UITextFieldDelegate>
+@interface MapViewController : UIViewController <MKMapViewDelegate, CLLocationManagerDelegate, UITextFieldDelegate, UISearchBarDelegate, UITableViewDelegate>
 
 @property(weak, nonatomic) IBOutlet UIButton *locationButton;
 @property(weak, nonatomic) IBOutlet UIButton *radarButton;
 @property(weak, nonatomic) IBOutlet MKMapView *mapview;
+@property(weak, nonatomic) IBOutlet UISearchBar *searchBar;
 
 -(IBAction)locationAction:(id)sender;
 -(IBAction)radarAction:(id)sender;
 -(IBAction)maptypeAction:(id)sender;
+-(IBAction)searchButtonAction:(id)sender;
 
 @end

iPokeGo/MapViewController.m

@@ -37,6 +37,8 @@ @interface MapViewController() <NSFetchedResultsControllerDelegate, UIGestureRec
 @property NSMutableArray *annotationsSpawnpointsToDelete;
 @property NSMutableArray *annotationsLocationsToDelete;
 
+@property NSDictionary *locationsSearched;
+
 @property CLLocationManager *locationManager;
 @property NSDictionary *localization;
 @property CLLocationDegrees oldLatitudeDelta;
@@ -915,6 +917,73 @@ -(void)maptypeAction:(id)sender
     [self presentViewController:alert animated:YES completion:nil];
 }
 
+-(IBAction)searchButtonAction:(id)sender
+{
+    BOOL hide;
+    NSUInteger animation;
+    if(self.searchBar.hidden) {
+        hide = NO;
+        animation = UIViewAnimationOptionTransitionFlipFromTop;
+
+    } else {
+        hide = YES;
+        animation = UIViewAnimationOptionTransitionFlipFromBottom;
+    }
+
+    [UIView transitionWithView:self.searchBar duration:0.5f options:animation animations:^(void){
+
+        [self.searchBar setHidden:hide];
+
+    } completion:nil];
+
+    [self.searchBar resignFirstResponder];
+    self.locationsSearched = nil;
+    [self.searchDisplayController.searchResultsTableView reloadData];
+}
+
+#pragma mark - Search bar delegate
+
+-(BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar
+{
+    [self searchLocationsForAddress:searchBar.text];
+
+    return YES;
+}
+
+#pragma mark - Search display controller
+
+- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
+{
+    return [self.locationsSearched[@"results"] count];
+}
+
+- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    static NSString *CellIdentifier = @"LocationCell";
+    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
+
+    if (cell == nil) {
+        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
+    }
+
+    cell.textLabel.text = self.locationsSearched[@"results"][indexPath.row][@"formatted_address"];
+
+    return cell;
+}
+
+-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
+{
+    [tableView deselectRowAtIndexPath:indexPath animated:YES];
+    [self.searchDisplayController setActive:NO animated:YES];
+
+    double latitude = [self.locationsSearched[@"results"][indexPath.row][@"geometry"][@"location"][@"lat"] doubleValue];
+    double longitude = [self.locationsSearched[@"results"][indexPath.row][@"geometry"][@"location"][@"lng"] doubleValue];
+
+    CLLocationCoordinate2D coordinateLocation = CLLocationCoordinate2DMake(latitude, longitude);
+
+    [self.mapview setCenterCoordinate:coordinateLocation animated:NO];
+}
+
 #pragma mark - Misc
 
 - (CLLocation *)currentLocation
@@ -931,6 +1000,53 @@ -(void)showAnnotationLocalNotif:(NSNotification *)notification
     [self.mapview setRegion:MKCoordinateRegionMake(coordinate, MKCoordinateSpanMake(MAP_SCALE_ANNOT, MAP_SCALE_ANNOT)) animated:YES];
 }
 
+-(void)searchLocationsForAddress:(NSString *)addr
+{
+    /* 
+     We can use CLGeocoder from Apple but Google seems to be better for little town search ;)
+     
+     CLGeocoder *geocoder = [[CLGeocoder alloc] init];
+     [geocoder geocodeAddressString:addr completionHandler:^(NSArray *placemarks, NSError *error) {
+     //Error checking
+     
+     NSLog(@"%@", placemarks);
+     }];
+     
+     */
+
+    // Build the string to Query Google Maps.
+    NSString *apiMapsURL = GOOGLE_MAP_SEARCH_API;
+    apiMapsURL = [apiMapsURL stringByReplacingOccurrencesOfString:@"%%addr%%" withString:addr];
+    apiMapsURL = [apiMapsURL stringByReplacingOccurrencesOfString:@" " withString:@"%20"];
+
+    // Create url from the query
+    NSURL *url = [NSURL URLWithString:apiMapsURL];
+    NSURLRequest *urlRequest = [NSURLRequest requestWithURL:url];
+
+    // Launch connexion in background
+    [NSURLConnection
+     sendAsynchronousRequest:urlRequest
+     queue:[[NSOperationQueue alloc] init]
+     completionHandler:^(NSURLResponse *response,
+                         NSData *data,
+                         NSError *error)
+     {
+
+         if ([data length] > 0 && error == nil)
+         {
+
+             // Parse JSON locations in NSDictionnary
+             self.locationsSearched =   [NSJSONSerialization JSONObjectWithData:data
+                                                                        options:kNilOptions
+                                                                          error:&error];
+             dispatch_async(dispatch_get_main_queue(), ^{
+                 [self.searchDisplayController.searchResultsTableView reloadData];
+             });
+         }
+
+     }];
+}
+
 #pragma mark - Textfield delegate
 
 - (BOOL)textField:(UITextField *)textField shouldChangeCharactersInRange:(NSRange)range replacementString:(NSString *)string

iPokeGo/global.h

@@ -40,6 +40,8 @@
 #define NOTIF_FOLLOW_GREEN_COLOR    [UIColor colorWithRed:0.10 green:0.74 blue:0.61 alpha:1.0]
 #define NOTIF_FOLLOW_RED_COLOR      [UIColor colorWithRed:0.91 green:0.30 blue:0.24 alpha:1.0]
 
+#define GOOGLE_MAP_SEARCH_API           @"http://maps.googleapis.com/maps/api/geocode/json?address=%%addr%%"
+
 #define SERVER_API_DATA_POKEMONGOMAP    @"%%server_addr%%/raw_data?pokemon=%%pokemon_display%%&pokestops=%%pokestops_display%%&gyms=%%gyms_display%%&spawnpoints=%%spawnpoints_display%%&ids=%%idlist%%"
 #define SERVER_API_DATA_SCAN_LOCATION   @"%%server_addr%%/loc"
 #define SERVER_API_DATA_POGOM           @"%%server_addr%%/map-data?pokemon=%%pokemon_display%%&gyms=%%gyms_display%%"