C#开发Android百度地图手机应用程序(多地图展示)

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<?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>

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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);
}
}
}

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