implement setting the rotation

Author: JulianBissekkou

arcgis_map_sdk_android/android/src/main/kotlin/dev/fluttercommunity/arcgis_map_sdk_android/ArcgisMapView.kt

@@ -26,7 +26,6 @@ import com.esri.arcgisruntime.mapping.Viewpoint
 import com.esri.arcgisruntime.mapping.view.AnimationCurve
 import com.esri.arcgisruntime.mapping.view.Graphic
 import com.esri.arcgisruntime.mapping.view.GraphicsOverlay
-import com.esri.arcgisruntime.mapping.view.LocationDisplay.AutoPanMode
 import com.esri.arcgisruntime.mapping.view.LocationDisplay.AutoPanMode.*
 import com.esri.arcgisruntime.mapping.view.MapView
 import com.esri.arcgisruntime.symbology.Symbol
@@ -153,6 +152,7 @@ internal class ArcgisMapView(
             when (call.method) {
                 "zoom_in" -> onZoomIn(call = call, result = result)
                 "zoom_out" -> onZoomOut(call = call, result = result)
+                "rotate" -> onRotate(call = call, result = result)
                 "add_view_padding" -> onAddViewPadding(call = call, result = result)
                 "set_interaction" -> onSetInteraction(call = call, result = result)
                 "move_camera" -> onMoveCamera(call = call, result = result)
@@ -456,6 +456,11 @@ internal class ArcgisMapView(
         }
     }
 
+    private fun onRotate(call: MethodCall, result: MethodChannel.Result) {
+        val angleDegrees = call.arguments as Double
+        result.finishWithFuture { mapView.setViewpointRotationAsync(angleDegrees) }
+    }
+
     private fun onAddViewPadding(call: MethodCall, result: MethodChannel.Result) {
         try {
             val optionParams = call.arguments as Map<String, Any>

arcgis_map_sdk_method_channel/lib/src/method_channel_arcgis_map_plugin.dart

@@ -42,8 +42,13 @@ class MethodChannelArcgisMapPlugin extends ArcgisMapPlatform {
   }
 
   @override
-  void setAutoPanMode(String autoPanMode, int mapId) {
-    _methodChannelBuilder(mapId).invokeMethod("set_auto_pan_mode", autoPanMode);
+  Future<void> setAutoPanMode(String autoPanMode, int mapId) {
+    return _methodChannelBuilder(mapId).invokeMethod("set_auto_pan_mode", autoPanMode);
+  }
+
+  @override
+  Future<void> setRotation(double angleDegrees, int mapId) {
+    return _methodChannelBuilder(mapId).invokeMethod("rotate", angleDegrees);
   }
 
   @override

arcgis_map_sdk_platform_interface/lib/src/arcgis_map_sdk_platform_interface.dart

@@ -68,10 +68,14 @@ class ArcgisMapPlatform extends PlatformInterface {
     throw UnimplementedError('setMouseCursor() has not been implemented');
   }
 
-  void setAutoPanMode(String autoPanMode, int mapId) {
+  Future<void> setAutoPanMode(String autoPanMode, int mapId)  {
     throw UnimplementedError('setAutoPanMode() has not been implemented');
   }
 
+  Future<void> setRotation(double angleDegrees, int mapId) {
+    throw UnimplementedError('setRotation() has not been implemented');
+  }
+
   Future<AutoPanMode> getAutoPanMode(int mapId) {
     throw UnimplementedError('getAutoPanMode() has not been implemented');
   }