修改选择器样式

lib/pages/mh_page/app_map_location.dart

@@ -0,0 +1,46 @@
+import 'package:map_launcher/map_launcher.dart';
+
+class AppMapLocation {
+  static List<AvailableMap> availableMaps = [];
+  static List availableMapsToNames = [];
+
+  static Future<void> checkInstalledApps() async {
+    availableMaps = await MapLauncher.installedMaps;
+    availableMapsToNames = availableMaps.map((AvailableMap m) {
+      String v = "";
+      switch (m.mapType) {
+        case MapType.baidu:
+          v = '百度地图';
+          break;
+        case MapType.tencent:
+          v = '腾讯地图';
+          break;
+        case MapType.amap:
+          v = '高德地图';
+          break;
+        case MapType.apple:
+          v = 'Apple地图';
+          break;
+        case MapType.google:
+          v = 'Google地图';
+          break;
+        case MapType.googleGo:
+          v = 'Google地图Go';
+          break;
+        case MapType.petal:
+          v = 'Petal地图';
+          break;
+        default:
+          v = m.mapName;
+      }
+      return v;
+    }).toList();
+  }
+
+  static void launchMap(index, title, double latitude, double longitude) async {
+    await availableMaps[index].showMarker(
+      coords: Coords(latitude, longitude),
+      title: title,
+    );
+  }
+}