當麻許的超技八

keytool -list -v -keystore "C:\Users\Stark\AppData\Local\Xamarin\Mono for Android\debug.keystore"  -alias androiddebugkey -storepass android -keypass android

<!-- Google Maps for Android v2 requires OpenGL ES v2 -->
    <uses-feature android:glEsVersion="0x00020000" android:required="true" />
    <!-- We need to be able to download map tiles and access Google Play Services-->
    <uses-permission android:name="android.permission.INTERNET" />
    <!-- Allow the application to access Google web-based services. -->
    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
    <!-- Google Maps for Android v2 will cache map tiles on external storage -->
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <!-- Google Maps for Android v2 needs this permission so that it may check the connection state as it must download data -->
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <!-- These are optional, but recommended. They will allow Maps to use the My Location provider. -->
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <!-- Notice here that we have the package name of our application as a prefix on the permissions. -->
    <uses-permission android:name="com.donma.pracmap.permission.MAPS_RECEIVE" />
    <permission android:name="com.donma.pracmap.permission.MAPS_RECEIVE" android:protectionLevel="signature" />
    <application android:label="當麻測試地圖">
        <!-- Put your Google Maps V2 API Key here. This key will not work for you.-->
        <!-- See https://developers.google.com/maps/documentation/android/start#obtaining_an_api_key -->
        <meta-data android:name="com.google.android.maps.v2.API_KEY" android:value="AIzaSyDVM5o0kchFyUokyIZyJL0vNBddVZ-NTMs" />
        <meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version" />
    </application>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    <fragment
        android:id="@+id/map"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        class="com.google.android.gms.maps.MapFragment"
        android:layout_weight="1" />
    <Button
        android:text="顯示"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:id="@+id/btnLocate" />
</LinearLayout>

using Android.App;
using Android.Gms.Maps;
using Android.Gms.Maps.Model;
using Android.OS;
using Android.Widget;

namespace PracMap
{
    [Activity(Label = "PracMap", MainLauncher = true, Icon = "@drawable/icon")]
    public class Activity1 : Activity
    {
        private GoogleMap _map;
        private MapFragment _mapFragment;

        protected override void OnCreate(Bundle bundle)
        {
            base.OnCreate(bundle);

            // Set our view from the "main" layout resource
            SetContentView(Resource.Layout.Main);


            var btnLocate = FindViewById<Button>(Resource.Id.btnLocate);
            
            //將地圖初始化
            _mapFragment = FragmentManager.FindFragmentByTag("map") as MapFragment;
            if (_mapFragment == null)
            {
                GoogleMapOptions mapOptions = new GoogleMapOptions()
                    .InvokeMapType(GoogleMap.MapTypeSatellite)
                    .InvokeZoomControlsEnabled(true)
                    .InvokeCompassEnabled(true);

                var fragTx = FragmentManager.BeginTransaction();
                _mapFragment = MapFragment.NewInstance(mapOptions);
                fragTx.Add(Resource.Id.map, _mapFragment, "map");
                fragTx.Commit();
            }
          

            btnLocate.Click += delegate
            {
                if (_map == null)
                {
                    _map = _mapFragment.Map;
                   
                }
                if (_map != null)
                {
                    //定位置台北101
                    _map.MapType = GoogleMap.MapTypeNormal;
                    CameraUpdate cameraUpdate = CameraUpdateFactory.NewLatLngZoom(new LatLng(25.033611, 121.565000), 15);
                    _map.MoveCamera(cameraUpdate);
                }
            };

        }
    }
}