<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:map="http://schemas.android.com/apk/res-auto"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical" >

 <LinearLayout
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:layout_marginBottom="5dp"
  android:layout_weight="1"
  android:orientation="horizontal" >

  <fragment
   android:id="@+id/map1"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:layout_marginRight="5dp"
   android:layout_weight="1"
   class="com.baidu.mapapi.map.TextureMapFragment" />

  <fragment
   android:id="@+id/map2"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:layout_weight="1"
   class="com.baidu.mapapi.map.TextureMapFragment" />
 </LinearLayout>

 <LinearLayout
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:layout_weight="1"
  android:orientation="horizontal" >

  <fragment
   android:id="@+id/map3"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:layout_marginRight="5dp"
   android:layout_weight="1"
   class="com.baidu.mapapi.map.TextureMapFragment" />

  <fragment
   android:id="@+id/map4"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:layout_weight="1"
   class="com.baidu.mapapi.map.TextureMapFragment" />
 </LinearLayout>

</LinearLayout> 

using Android.App;
using Android.Content.PM;
using Android.OS;
using Com.Baidu.Mapapi.Map;
using Com.Baidu.Mapapi.Model;

namespace BdMapV371Demos.SrcSdkDemos
{
 /// <summary>
 /// 在一个Activity中展示多个地图
 /// </summary>
 [Activity(Label = "@string/demo_name_multimap",
  ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.KeyboardHidden,
  ScreenOrientation = ScreenOrientation.Sensor)]
 public class Demo05MutiMapView : Activity
 {
  private readonly LatLng Geo_BeiJing = new LatLng(39.945, 116.404);
  private readonly LatLng Geo_ShangHai = new LatLng(31.227, 121.481);
  private readonly LatLng Geo_GuangZhou = new LatLng(23.155, 113.264);
  private readonly LatLng Geo_ShenZhen = new LatLng(22.560, 114.064);

  protected override void OnCreate(Bundle savedInstanceState)
  {
   base.OnCreate(savedInstanceState);
   SetContentView(Resource.Layout.demo05_multimap);
   InitMap();
  }

  /// <summary>
  /// 初始化Map
  /// </summary>
  private void InitMap()
  {
   MapStatusUpdate u1 = MapStatusUpdateFactory.NewLatLng(Geo_BeiJing);
   TextureMapFragment map1 = FragmentManager.FindFragmentById<TextureMapFragment>(Resource.Id.map1);
   map1.BaiduMap.SetMapStatus(u1);

   MapStatusUpdate u2 = MapStatusUpdateFactory.NewLatLng(Geo_ShangHai);
   TextureMapFragment map2 = FragmentManager.FindFragmentById<TextureMapFragment>(Resource.Id.map2);
   map2.BaiduMap.SetMapStatus(u2);

   MapStatusUpdate u3 = MapStatusUpdateFactory.NewLatLng(Geo_GuangZhou);
   TextureMapFragment map3 = FragmentManager.FindFragmentById<TextureMapFragment>(Resource.Id.map3);
   map3.BaiduMap.SetMapStatus(u3);

   MapStatusUpdate u4 = MapStatusUpdateFactory.NewLatLng(Geo_ShenZhen);
   TextureMapFragment map4 = FragmentManager.FindFragmentById<TextureMapFragment>(Resource.Id.map4);
   map4.BaiduMap.SetMapStatus(u4);
  }
 }
} 

  //示例5--多地图展示
   new DemoInfo<Activity>(Resource.String.demo_title_multimap,
    Resource.String.demo_desc_multimap,
    new Demo05MutiMapView()),