Adding tileSize props for iOS. (react-native-maps#2627)

* Adding tileSize props for iOS.

* Fixing error for travic CI

Author: fozhao

index.d.ts

@@ -387,6 +387,7 @@ declare module "react-native-maps" {
         urlTemplate: string;
         maximumZ?: number;
         zIndex?: number;
+        tileSize?: number;
     }
 
     export class UrlTile extends React.Component<MapUrlTileProps, any> {

lib/components/MapUrlTile.js

@@ -49,6 +49,13 @@ const propTypes = {
    * @platform ios
    */
   shouldReplaceMapContent: PropTypes.bool,
+
+  /**
+   * (Optional) Tile size for iOS only, default size is 256 * 256.
+   *
+   * @platform ios
+   */
+  tileSize: PropTypes.number,
 };
 
 class MapUrlTile extends React.Component {

lib/ios/AirMaps/AIRMapUrlTile.h

@@ -26,6 +26,7 @@
 @property NSInteger maximumZ;
 @property NSInteger minimumZ;
 @property BOOL shouldReplaceMapContent;
+@property CGFloat tileSize;
 
 #pragma mark MKOverlay protocol
 

lib/ios/AirMaps/AIRMapUrlTile.m

@@ -11,6 +11,7 @@
 
 @implementation AIRMapUrlTile {
     BOOL _urlTemplateSet;
+    BOOL _tileSizeSet;
 }
 
 - (void)setShouldReplaceMapContent:(BOOL)shouldReplaceMapContent
@@ -47,6 +48,13 @@ - (void)setUrlTemplate:(NSString *)urlTemplate{
     [self update];
 }
 
+- (void)setTileSize:(CGFloat)tileSize{
+    _tileSize = tileSize;
+    _tileSizeSet = YES;
+    [self createTileOverlayAndRendererIfPossible];
+    [self update];
+}
+
 - (void) createTileOverlayAndRendererIfPossible
 {
     if (!_urlTemplateSet) return;
@@ -60,6 +68,9 @@ - (void) createTileOverlayAndRendererIfPossible
     if (self.maximumZ) {
         self.tileOverlay.maximumZ = self.maximumZ;
     }
+    if (_tileSizeSet) {
+        self.tileOverlay.tileSize = CGSizeMake(self.tileSize, self.tileSize);
+    }
     self.renderer = [[MKTileOverlayRenderer alloc] initWithTileOverlay:self.tileOverlay];
 }
 

lib/ios/AirMaps/AIRMapUrlTileManager.m

@@ -36,5 +36,6 @@ - (UIView *)view
 RCT_EXPORT_VIEW_PROPERTY(maximumZ, NSInteger)
 RCT_EXPORT_VIEW_PROPERTY(minimumZ, NSInteger)
 RCT_EXPORT_VIEW_PROPERTY(shouldReplaceMapContent, BOOL)
+RCT_EXPORT_VIEW_PROPERTY(tileSize, CGFloat)
 
 @end