Add Dialog with Pageview to select new house, and then drop a pin where the house is, then zoom map to that area.

lib/utilities/google_places_helper.dart

@@ -0,0 +1,88 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:flutter_google_places_sdk/flutter_google_places_sdk.dart';
+import 'package:wheres_my_sign/common/functions.dart';
+
+class GooglePlacesHelper {
+  final FlutterGooglePlacesSdk _places;
+  bool _isHandlingSelection = false;
+
+  GooglePlacesHelper(String apiKey) : _places = FlutterGooglePlacesSdk(apiKey);
+
+  void attachAddressListener({
+    required TextEditingController controller,
+    required FocusNode focusNode,
+    required void Function(List<AutocompletePrediction>) onPredictions,
+    required VoidCallback onOverlayHide,
+    required Debouncer debouncer,
+  }) {
+    controller.addListener(() {
+      _onAddressChanged(
+        controller: controller,
+        debouncer: debouncer,
+        onPredictions: onPredictions,
+        onOverlayHide: onOverlayHide,
+      );
+    });
+
+    focusNode.addListener(() {
+      if (!focusNode.hasFocus) {
+        Future.delayed(const Duration(milliseconds: 100), onOverlayHide);
+      }
+    });
+  }
+
+  Future<void> _onAddressChanged({
+    required TextEditingController controller,
+    required Debouncer debouncer,
+    required void Function(List<AutocompletePrediction>) onPredictions,
+    required VoidCallback onOverlayHide,
+  }) async {
+    if (_isHandlingSelection || controller.text.length < 3) return;
+
+    debouncer.run(() async {
+      try {
+        final result = await _places.findAutocompletePredictions(
+          controller.text,
+          countries: ['us'],
+        );
+
+        if (result.predictions.isNotEmpty) {
+          onPredictions(result.predictions);
+        } else {
+          onOverlayHide();
+        }
+      } catch (e) {
+        debugPrint('Prediction error: $e');
+        onOverlayHide();
+      }
+    });
+  }
+
+  Future<void> handlePlaceSelection({
+    required AutocompletePrediction prediction,
+    required TextEditingController addressController,
+    required void Function(double? lat, double? lng) onLatLngRetrieved,
+    required VoidCallback onOverlayHide,
+  }) async {
+    try {
+      _isHandlingSelection = true;
+      onOverlayHide();
+
+      final result = await _places.fetchPlace(
+        prediction.placeId,
+        fields: [PlaceField.Address, PlaceField.Location],
+      );
+
+      final place = result.place;
+      if (place != null) {
+        addressController.text = place.address ?? prediction.fullText;
+        onLatLngRetrieved(place.latLng?.lat, place.latLng?.lng);
+      }
+    } catch (e) {
+      debugPrint('Place fetch error: $e');
+    } finally {
+      _isHandlingSelection = false;
+    }
+  }
+}