Added iOS implementation

geocoding_ios/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.3.0
+
+  * Implements `isPresent` that always returns true.
+
 ## 2.2.0
 
   * Updates `geocoding_platform_interface` to version 3.1.0.

geocoding_ios/example/lib/plugin_example/geocode_page.dart

@@ -121,6 +121,22 @@ class _GeocodeWidgetState extends State<GeocodeWidget> {
                     });
                   }),
             ),
+            const Padding(
+              padding: EdgeInsets.only(top: 8),
+            ),
+            Center(
+                child: ElevatedButton(
+                    child: Text('Is present'),
+                    onPressed: () {
+                      GeocodingIOS().isPresent().then((isPresent) {
+                        var output = isPresent
+                            ? "Geocoder is present"
+                            : "Geocoder is not present";
+                        setState(() {
+                          _output = output;
+                        });
+                      });
+                    })),
             Expanded(
               child: SingleChildScrollView(
                 child: Container(

geocoding_ios/ios/Classes/GeocodingPlugin.m

@@ -50,7 +50,10 @@ - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
                                        message:errorDescription
                                        details:nil]);
         }];
-    }else {
+    } else if ([@"isPresent" isEqualToString:call.method]) {
+        //There is no equal iOS implementation of the ANDROID Geocoder.isPresent. On iOS we assume that it is always present.
+        result(@YES);
+    } else {
         result(FlutterMethodNotImplemented);
     }
 }

geocoding_ios/lib/geocoding_ios.dart

@@ -57,6 +57,20 @@ class GeocodingIOS extends GeocodingPlatform {
     return Placemark.fromMaps(placemarks);
   }
 
+  @override
+  Future<bool> isPresent() async {
+    try {
+      final isPresent = await _channel.invokeMethod(
+        'isPresent',
+      );
+
+      return isPresent;
+    } on PlatformException catch (e) {
+      _handlePlatformException(e);
+      rethrow;
+    }
+  }
+
   void _handlePlatformException(PlatformException platformException) {
     switch (platformException.code) {
       case 'NOT_FOUND':

geocoding_ios/pubspec.yaml

@@ -1,6 +1,6 @@
 name: geocoding_ios
 description: A Flutter Geocoding plugin which provides easy geocoding and reverse-geocoding features.
-version: 2.2.0
+version: 2.3.0
 repository: https://github.com/baseflow/flutter-geocoding/tree/main/geocoding_ios
 issue_tracker: https://github.com/Baseflow/flutter-geocoding/issues
 

geocoding_platform_interface/lib/src/geocoding_platform_interface.dart

@@ -62,7 +62,7 @@ abstract class GeocodingPlatform extends PlatformInterface {
   /// If true, there is still no guarantee that any individual geocoding attempt will succeed.
   ///
   ///
-  /// This method is only implemented on Android, calling this on iOS always
+  /// This method is only intended on Android, calling this on iOS always
   /// returns [true].
   Future<bool> isPresent() {
     throw UnimplementedError('isPresent() has not been implementated.');