Added fire locations

lib/placesAutocompleteWidget.dart

@@ -0,0 +1,75 @@
+import 'package:flutter_google_places_autocomplete/flutter_google_places_autocomplete.dart';
+import 'package:flutter/material.dart';
+import 'dart:async';
+import 'globals.dart' as globals;
+
+class PlacesAutocompleteWidget extends StatefulWidget {
+  static const String routeName = '/place';
+
+  PlacesAutocompleteWidget();
+
+  @override
+  _PlacesAutocompleteWidgetState createState() =>
+      _PlacesAutocompleteWidgetState();
+}
+
+// to get places detail (lat/lng)
+
+final homeScaffoldKey = new GlobalKey<ScaffoldState>();
+final searchScaffoldKey = new GlobalKey<ScaffoldState>();
+
+GoogleMapsPlaces _places;
+
+class _PlacesAutocompleteWidgetState extends State<PlacesAutocompleteWidget> {
+  Mode _mode = Mode.overlay;
+
+  _PlacesAutocompleteWidgetState() {
+    _places = new GoogleMapsPlaces(globals.gmapKey);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return new Scaffold(
+      key: homeScaffoldKey,
+      appBar: new AppBar(
+        title: new Text("My App"),
+      ),
+      body:
+
+          new RaisedButton.icon(
+            icon: const Icon(Icons.location_searching),
+            label: new Text('Write a location'),
+            onPressed: () async {
+              // show input autocomplete with selected mode
+              // then get the Prediction selected
+              Prediction p = await showGooglePlacesAutocomplete(
+                  context: context,
+                  hint: 'Type the name of place, region, etc',
+                  apiKey: globals.gmapKey,
+                  onError: (res) {
+                    homeScaffoldKey.currentState.showSnackBar(
+                        new SnackBar(content: new Text(res.errorMessage)));
+                  },
+                  mode: _mode,
+                  // FIXME
+                  language: "es",
+                  components: [new Component(Component.country, "es")]);
+              displayPrediction(p, homeScaffoldKey.currentState);
+            },
+          )
+
+    );
+  }
+}
+
+Future<Null> displayPrediction(Prediction p, ScaffoldState scaffold) async {
+  if (p != null) {
+    // get detail (lat/lng)
+    PlacesDetailsResponse detail = await _places.getDetailsByPlaceId(p.placeId);
+    final lat = detail.result.geometry.location.lat;
+    final lng = detail.result.geometry.location.lng;
+
+    scaffold.showSnackBar(
+        new SnackBar(content: new Text("${p.description} - $lat/$lng")));
+  }
+}