[Android] Chapter 3 (7) Basic map control methods
Category: C#, Android, VS2015, Baidu map application; Creation date: 2016-02-04 1. Introduction File name: Demo05MapControl.cs Introduction: Introduction to panning and zooming the map, operating the map with two fingers, monitoring map click events for details Description: (1) Introduce the get and set methods of map zoom level, rotation and overlooking degree; (2) Monitor clicks and long presses
Category: C#, Android, VS2015, Baidu map application; Creation date: 2016-02-04
1. Introduction
File name: Demo05MapControl.cs
Introduction: Introducing panning and zooming the map, operating the map with two fingers, and monitoring map click events
Details:
(1) Introducing the get and set methods of map zoom level, rotation and overlooking degree;
(2) Monitor click and long press map events;
(3) Click, double-click and long press the map to obtain the latitude and longitude coordinates of the point;
(4) Take a screenshot of the map display content. The screenshot save address is: /mnt/sdcard/test.png;
Run screenshot
The running effect in the x86 simulator is as follows:
2. Design steps
1. Add demo06_mapcontrol.axml
Add this file under the layout folder and change it to the following code:
<?xml version=<span style="color: #800000;">"<span style="color: #800000;">1.0</span><span style="color: #800000;">"</span> encoding=<span style="color: #800000;">"</span><span style="color: #800000;">utf-8</span><span style="color: #800000;">"</span>?> <linearlayout xmlns:android="<span" style="color: #800000;">"<span style="color: #800000;">http://schemas.android.com/apk/res/android</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:orientation</span>=<span style="color: #800000;">"</span><span style="color: #800000;">vertical</span><span style="color: #800000;">"</span> > LinearLayout android:layout_width=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">50dip</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:orientation</span>=<span style="color: #800000;">"</span><span style="color: #800000;">horizontal</span><span style="color: #800000;">"</span> > Button android:id=<span style="color: #800000;">"</span><span style="color: #800000;">@+id/zoombutton</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">wrap_content</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_weight</span>=<span style="color: #800000;">"</span><span style="color: #800000;">1</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:text</span>=<span style="color: #800000;">"</span><span style="color: #800000;">缩放</span><span style="color: #800000;">"</span> /> EditText android:id=<span style="color: #800000;">"</span><span style="color: #800000;">@+id/zoomlevel</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">wrap_content</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_weight</span>=<span style="color: #800000;">"</span><span style="color: #800000;">1</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:text</span>=<span style="color: #800000;">"</span><span style="color: #800000;">10</span><span style="color: #800000;">"</span> /> Button android:id=<span style="color: #800000;">"</span><span style="color: #800000;">@+id/rotatebutton</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">wrap_content</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_weight</span>=<span style="color: #800000;">"</span><span style="color: #800000;">1</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:text</span>=<span style="color: #800000;">"</span><span style="color: #800000;">旋转</span><span style="color: #800000;">"</span> /> EditText android:id=<span style="color: #800000;">"</span><span style="color: #800000;">@+id/rotateangle</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">wrap_content</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_weight</span>=<span style="color: #800000;">"</span><span style="color: #800000;">1</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:text</span>=<span style="color: #800000;">"</span><span style="color: #800000;">90</span><span style="color: #800000;">"</span> /> Button android:id=<span style="color: #800000;">"</span><span style="color: #800000;">@+id/overlookbutton</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">wrap_content</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_weight</span>=<span style="color: #800000;">"</span><span style="color: #800000;">1</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:text</span>=<span style="color: #800000;">"</span><span style="color: #800000;">俯视</span><span style="color: #800000;">"</span> /> EditText android:id=<span style="color: #800000;">"</span><span style="color: #800000;">@+id/overlookangle</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">wrap_content</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_weight</span>=<span style="color: #800000;">"</span><span style="color: #800000;">1</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:text</span>=<span style="color: #800000;">"</span><span style="color: #800000;">-30</span><span style="color: #800000;">"</span> /> </linearlayout> TextView android:id=<span style="color: #800000;">"</span><span style="color: #800000;">@+id/state</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">wrap_content</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:lines</span>=<span style="color: #800000;">"</span><span style="color: #800000;">3</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:text</span>=<span style="color: #800000;">"</span><span style="color: #800000;">点击、长按、双击地图以获取经纬度和地图状态</span><span style="color: #800000;">"</span> /> RelativeLayout android:layout_width=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:orientation</span>=<span style="color: #800000;">"</span><span style="color: #800000;">vertical</span><span style="color: #800000;">"</span> > com.baidu.mapapi.map.TextureMapView android:id=<span style="color: #800000;">"</span><span style="color: #800000;">@+id/bmapView</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">fill_parent</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:clickable</span>=<span style="color: #800000;">"</span><span style="color: #800000;">true</span><span style="color: #800000;">"</span> /> Button android:id=<span style="color: #800000;">"</span><span style="color: #800000;">@+id/savescreen</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_width</span>=<span style="color: #800000;">"</span><span style="color: #800000;">wrap_content</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_height</span>=<span style="color: #800000;">"</span><span style="color: #800000;">wrap_content</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_alignParentRight</span>=<span style="color: #800000;">"</span><span style="color: #800000;">true</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_alignParentTop</span>=<span style="color: #800000;">"</span><span style="color: #800000;">true</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:layout_marginTop</span>=<span style="color: #800000;">"</span><span style="color: #800000;">10dip</span><span style="color: #800000;">"</span><span style="color: #000000;"> android:text</span>=<span style="color: #800000;">"</span><span style="color: #800000;">截图</span><span style="color: #800000;">"</span> />
2. Add Demo06MapControl.cs
Add this file under the SrcSdkDemos folder, and then change its content to the following code:
<span style="color: #0000ff;">using</span><span style="color: #000000;"> Android.App; </span><span style="color: #0000ff;">using</span><span style="color: #000000;"> Android.Content.PM; </span><span style="color: #0000ff;">using</span><span style="color: #000000;"> Android.Graphics; </span><span style="color: #0000ff;">using</span><span style="color: #000000;"> Android.OS; </span><span style="color: #0000ff;">using</span><span style="color: #000000;"> Android.Widget; </span><span style="color: #0000ff;">using</span><span style="color: #000000;"> Com.Baidu.Mapapi.Map; </span><span style="color: #0000ff;">using</span><span style="color: #000000;"> Com.Baidu.Mapapi.Model; </span><span style="color: #0000ff;">using</span><span style="color: #000000;"> System.IO; </span><span style="color: #0000ff;">namespace</span><span style="color: #000000;"> BdMapV371Demos.SrcSdkDemos { </span><span style="color: #808080;">///</span> <span style="color: #808080;"><summary></summary></span> <span style="color: #808080;">///</span><span style="color: #008000;"> 演示地图缩放,旋转,视角控制 </span><span style="color: #808080;">///</span> <span style="color: #808080;"></span> [Activity(Label = <span style="color: #800000;">"</span><span style="color: #800000;">@string/demo_name_control</span><span style="color: #800000;">"</span><span style="color: #000000;">, ConfigurationChanges </span>= ConfigChanges.Orientation |<span style="color: #000000;"> ConfigChanges.KeyboardHidden, ScreenOrientation </span>=<span style="color: #000000;"> ScreenOrientation.Sensor)] </span><span style="color: #0000ff;">public</span> <span style="color: #0000ff;">class</span><span style="color: #000000;"> Demo06MapControl : Activity, BaiduMap.IOnMapClickListener, BaiduMap.IOnMapLongClickListener, BaiduMap.IOnMapDoubleClickListener, BaiduMap.IOnMapStatusChangeListener, BaiduMap.ISnapshotReadyCallback { </span><span style="color: #0000ff;">PRivate</span><span style="color: #000000;"> TextureMapView mMapView; </span><span style="color: #0000ff;">private</span><span style="color: #000000;"> BaiduMap mBaiduMap; </span><span style="color: #808080;">///</span> <span style="color: #808080;"><summary></summary></span> <span style="color: #808080;">///</span><span style="color: #008000;"> 当前地点击点 </span><span style="color: #808080;">///</span> <span style="color: #808080;"></span> <span style="color: #0000ff;">private</span><span style="color: #000000;"> LatLng currentPt; </span><span style="color: #0000ff;">private</span> <span style="color: #0000ff;">string</span><span style="color: #000000;"> touchType; </span><span style="color: #808080;">///</span> <span style="color: #808080;"><summary></summary></span> <span style="color: #808080;">///</span><span style="color: #008000;"> 用于显示地图状态的面板 </span><span style="color: #808080;">///</span> <span style="color: #808080;"></span> <span style="color: #0000ff;">private</span><span style="color: #000000;"> TextView mStateBar; </span><span style="color: #0000ff;">protected</span> <span style="color: #0000ff;">override</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnCreate(Bundle savedInstanceState) { </span><span style="color: #0000ff;">base</span><span style="color: #000000;">.OnCreate(savedInstanceState); SetContentView(Resource.Layout.demo06_mapcontrol); mMapView </span>= FindViewById<texturemapview><span style="color: #000000;">(Resource.Id.bmapView); mBaiduMap </span>=<span style="color: #000000;"> mMapView.Map; mBaiduMap.SetMapStatus(MapStatusUpdateFactory.NewLatLng(MainActivity.HeNanUniversity)); mStateBar </span>= FindViewById<textview><span style="color: #000000;">(Resource.Id.state); mBaiduMap.SetOnMapClickListener(</span><span style="color: #0000ff;">this</span><span style="color: #000000;">); mBaiduMap.SetOnMapLongClickListener(</span><span style="color: #0000ff;">this</span><span style="color: #000000;">); mBaiduMap.SetOnMapDoubleClickListener(</span><span style="color: #0000ff;">this</span><span style="color: #000000;">); mBaiduMap.SetOnMapStatusChangeListener(</span><span style="color: #0000ff;">this</span><span style="color: #000000;">); </span><span style="color: #0000ff;">var</span> btnZoom = FindViewById<button><span style="color: #000000;">(Resource.Id.zoombutton); btnZoom.Click </span>+= <span style="color: #0000ff;">delegate</span><span style="color: #000000;"> { </span><span style="color: #008000;">//</span><span style="color: #008000;">处理缩放 sdk 缩放级别范围: [3.0, 19.0]</span> EditText t = FindViewById<edittext><span style="color: #000000;">(Resource.Id.zoomlevel); </span><span style="color: #0000ff;">try</span><span style="color: #000000;"> { </span><span style="color: #0000ff;">float</span> zoomLevel = <span style="color: #0000ff;">float</span><span style="color: #000000;">.Parse(t.Text); MapStatusUpdate u </span>=<span style="color: #000000;"> MapStatusUpdateFactory.ZoomTo(zoomLevel); mBaiduMap.AnimateMapStatus(u); } </span><span style="color: #0000ff;">catch</span><span style="color: #000000;"> { Toast.MakeText(</span><span style="color: #0000ff;">this</span>, <span style="color: #800000;">"</span><span style="color: #800000;">请输入正确的缩放级别</span><span style="color: #800000;">"</span><span style="color: #000000;">, ToastLength.Short).Show(); } UpdateMapState(); }; </span><span style="color: #0000ff;">var</span> btnRotate = FindViewById<button><span style="color: #000000;">(Resource.Id.rotatebutton); btnRotate.Click </span>+= <span style="color: #0000ff;">delegate</span><span style="color: #000000;"> { </span><span style="color: #008000;">//</span><span style="color: #008000;">处理旋转。旋转角范围:-180~180 , 单位:度,逆时针旋转</span> EditText t = FindViewById<edittext><span style="color: #000000;">(Resource.Id.rotateangle); </span><span style="color: #0000ff;">try</span><span style="color: #000000;"> { </span><span style="color: #0000ff;">int</span> rotateAngle = <span style="color: #0000ff;">int</span><span style="color: #000000;">.Parse(t.Text); MapStatus ms </span>= <span style="color: #0000ff;">new</span><span style="color: #000000;"> MapStatus.Builder(mBaiduMap.MapStatus).Rotate(rotateAngle).Build(); MapStatusUpdate u </span>=<span style="color: #000000;"> MapStatusUpdateFactory.NewMapStatus(ms); mBaiduMap.AnimateMapStatus(u); } </span><span style="color: #0000ff;">catch</span><span style="color: #000000;"> { Toast.MakeText(</span><span style="color: #0000ff;">this</span>, <span style="color: #800000;">"</span><span style="color: #800000;">请输入正确的旋转角度</span><span style="color: #800000;">"</span><span style="color: #000000;">, ToastLength.Short).Show(); } UpdateMapState(); }; </span><span style="color: #0000ff;">var</span> btnOverlook = FindViewById<button><span style="color: #000000;">(Resource.Id.overlookbutton); btnOverlook.Click </span>+= <span style="color: #0000ff;">delegate</span><span style="color: #000000;"> { </span><span style="color: #008000;">//</span><span style="color: #008000;">处理俯视。俯角范围:-45~0, 单位:度</span> EditText t = FindViewById<edittext><span style="color: #000000;">(Resource.Id.overlookangle); </span><span style="color: #0000ff;">try</span><span style="color: #000000;"> { </span><span style="color: #0000ff;">int</span> overlookAngle = <span style="color: #0000ff;">int</span><span style="color: #000000;">.Parse(t.Text); MapStatus ms </span>= <span style="color: #0000ff;">new</span><span style="color: #000000;"> MapStatus.Builder(mBaiduMap.MapStatus).Overlook(overlookAngle).Build(); MapStatusUpdate u </span>=<span style="color: #000000;"> MapStatusUpdateFactory.NewMapStatus(ms); mBaiduMap.AnimateMapStatus(u); } </span><span style="color: #0000ff;">catch</span><span style="color: #000000;"> { Toast.MakeText(</span><span style="color: #0000ff;">this</span>, <span style="color: #800000;">"</span><span style="color: #800000;">请输入正确的俯角</span><span style="color: #800000;">"</span><span style="color: #000000;">, ToastLength.Short).Show(); } UpdateMapState(); }; </span><span style="color: #0000ff;">var</span> btnSaveScreen = FindViewById<button><span style="color: #000000;">(Resource.Id.savescreen); btnSaveScreen.Click </span>+= <span style="color: #0000ff;">delegate</span><span style="color: #000000;"> { </span><span style="color: #008000;">//</span><span style="color: #008000;"> 截图(在SnapshotReadyCallback中保存图片到sd卡)</span> mBaiduMap.Snapshot(<span style="color: #0000ff;">this</span><span style="color: #000000;">); Toast.MakeText(</span><span style="color: #0000ff;">this</span>, <span style="color: #800000;">"</span><span style="color: #800000;">正在截取屏幕图片...</span><span style="color: #800000;">"</span><span style="color: #000000;">, ToastLength.Short).Show(); UpdateMapState(); }; } </span><span style="color: #0000ff;">#region</span> 实现BaiduMap.IOnMapClickListener接口 <span style="color: #0000ff;">public</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnMapClick(LatLng p0) { touchType </span>= <span style="color: #800000;">"</span><span style="color: #800000;">单击</span><span style="color: #800000;">"</span><span style="color: #000000;">; currentPt </span>=<span style="color: #000000;"> p0; UpdateMapState(); } </span><span style="color: #0000ff;">public</span> <span style="color: #0000ff;">bool</span><span style="color: #000000;"> OnMapPoiClick(MapPoi p0) { </span><span style="color: #0000ff;">return</span> <span style="color: #0000ff;">false</span><span style="color: #000000;">; } </span><span style="color: #0000ff;">#endregion</span> <span style="color: #0000ff;">#region</span> 实现BaiduMap.IOnMapLongClickListener接口 <span style="color: #0000ff;">public</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnMapLongClick(LatLng p0) { touchType </span>= <span style="color: #800000;">"</span><span style="color: #800000;">长按</span><span style="color: #800000;">"</span><span style="color: #000000;">; currentPt </span>=<span style="color: #000000;"> p0; UpdateMapState(); } </span><span style="color: #0000ff;">#endregion</span> <span style="color: #0000ff;">#region</span> 实现BaiduMap.IOnMapDoubleClickListener接口 <span style="color: #0000ff;">public</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnMapDoubleClick(LatLng p0) { touchType </span>= <span style="color: #800000;">"</span><span style="color: #800000;">双击</span><span style="color: #800000;">"</span><span style="color: #000000;">; currentPt </span>=<span style="color: #000000;"> p0; UpdateMapState(); } </span><span style="color: #0000ff;">#endregion</span> <span style="color: #0000ff;">#region</span> 实现BaiduMap.IOnMapStatusChangeListener接口 <span style="color: #0000ff;">public</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnMapStatusChange(MapStatus p0) { UpdateMapState(); } </span><span style="color: #0000ff;">public</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnMapStatusChangeFinish(MapStatus p0) { UpdateMapState(); } </span><span style="color: #0000ff;">public</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnMapStatusChangeStart(MapStatus p0) { UpdateMapState(); } </span><span style="color: #0000ff;">#endregion</span> <span style="color: #0000ff;">#region</span> 实现BaiduMap.ISnapshotReadyCallback接口 <span style="color: #0000ff;">public</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnSnapshotReady(Bitmap p0) { </span><span style="color: #0000ff;">string</span> file = <span style="color: #800000;">"</span><span style="color: #800000;">/mnt/sdcard/test.png</span><span style="color: #800000;">"</span><span style="color: #000000;">; FileStream outX; </span><span style="color: #0000ff;">try</span><span style="color: #000000;"> { outX </span>= <span style="color: #0000ff;">new</span><span style="color: #000000;"> FileStream(file, FileMode.Create); </span><span style="color: #0000ff;">if</span><span style="color: #000000;"> (p0.Compress( Bitmap.CompressFormat.Png, </span><span style="color: #800080;">100</span><span style="color: #000000;">, outX)) { outX.Flush(); outX.Close(); } Toast.MakeText(</span><span style="color: #0000ff;">this</span><span style="color: #000000;">, </span><span style="color: #800000;">"</span><span style="color: #800000;">屏幕截图成功,图片保存在: </span><span style="color: #800000;">"</span> +<span style="color: #000000;"> file.ToString(), ToastLength.Short).Show(); } </span><span style="color: #0000ff;">catch</span><span style="color: #000000;"> (FileNotFoundException e) { </span><span style="color: #0000ff;">throw</span><span style="color: #000000;"> e; } </span><span style="color: #0000ff;">catch</span><span style="color: #000000;"> (IOException e) { </span><span style="color: #0000ff;">throw</span><span style="color: #000000;"> e; } } </span><span style="color: #0000ff;">#endregion</span> <span style="color: #808080;">///</span> <span style="color: #808080;"><summary></summary></span> <span style="color: #808080;">///</span><span style="color: #008000;"> 更新地图状态显示面板 </span><span style="color: #808080;">///</span> <span style="color: #808080;"></span> <span style="color: #0000ff;">private</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> UpdateMapState() { </span><span style="color: #0000ff;">if</span> (mStateBar == <span style="color: #0000ff;">null</span><span style="color: #000000;">) { </span><span style="color: #0000ff;">return</span><span style="color: #000000;">; } </span><span style="color: #0000ff;">string</span> state = <span style="color: #800000;">""</span><span style="color: #000000;">; </span><span style="color: #0000ff;">if</span> (currentPt == <span style="color: #0000ff;">null</span><span style="color: #000000;">) { state </span>= <span style="color: #800000;">"</span><span style="color: #800000;">点击、长按、双击地图以获取经纬度和地图状态</span><span style="color: #800000;">"</span><span style="color: #000000;">; } </span><span style="color: #0000ff;">else</span><span style="color: #000000;"> { state </span>= <span style="color: #0000ff;">string</span>.Format(touchType + <span style="color: #800000;">"</span><span style="color: #800000;">,当前经度:{0:f6} 当前纬度:{1:f6}</span><span style="color: #800000;">"</span><span style="color: #000000;">, currentPt.Longitude, currentPt.Latitude); } state </span>+= <span style="color: #800000;">"</span><span style="color: #800000;">\n</span><span style="color: #800000;">"</span><span style="color: #000000;">; MapStatus ms </span>=<span style="color: #000000;"> mBaiduMap.MapStatus; state </span>+= <span style="color: #0000ff;">string</span>.Format(<span style="color: #800000;">"</span><span style="color: #800000;">zoom={0:f2},rotate={1:d},overlook={2:d}</span><span style="color: #800000;">"</span><span style="color: #000000;">, ms.Zoom, (</span><span style="color: #0000ff;">int</span>)ms.Rotate, (<span style="color: #0000ff;">int</span><span style="color: #000000;">)ms.Overlook); mStateBar.Text </span>=<span style="color: #000000;"> state; } </span><span style="color: #0000ff;">protected</span> <span style="color: #0000ff;">override</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnPause() { mMapView.OnPause(); </span><span style="color: #0000ff;">base</span><span style="color: #000000;">.OnPause(); } </span><span style="color: #0000ff;">protected</span> <span style="color: #0000ff;">override</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnResume() { mMapView.OnResume(); </span><span style="color: #0000ff;">base</span><span style="color: #000000;">.OnResume(); } </span><span style="color: #0000ff;">protected</span> <span style="color: #0000ff;">override</span> <span style="color: #0000ff;">void</span><span style="color: #000000;"> OnDestroy() { mMapView.OnDestroy(); </span><span style="color: #0000ff;">base</span><span style="color: #000000;">.OnDestroy(); } } }</span></button></edittext></button></edittext></button></edittext></button></textview></texturemapview>
3. Modify MainActivity.cs
Add the following code in the demos field definition of the MainActivity.cs file.
<span style="color: #008000;"> //</span><span style="color: #008000;">示例6--地图操作功能</span> <span style="color: #0000ff;">new</span> DemoInfo<activity><span style="color: #000000;">(Resource.String.demo_title_control, Resource.String.demo_desc_control, </span><span style="color: #0000ff;">new</span> Demo06MapControl()),</activity>
Run and observe the results.

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics

In recent days, Ice Universe has been steadily revealing details about the Galaxy S25 Ultra, which is widely believed to be Samsung's next flagship smartphone. Among other things, the leaker claimed that Samsung only plans to bring one camera upgrade

OnLeaks has now partnered with Android Headlines to provide a first look at the Galaxy S25 Ultra, a few days after a failed attempt to generate upwards of $4,000 from his X (formerly Twitter) followers. For context, the render images embedded below h

Alongside announcing two new smartphones, TCL has also announced a new Android tablet called the NXTPAPER 14, and its massive screen size is one of its selling points. The NXTPAPER 14 features version 3.0 of TCL's signature brand of matte LCD panels

The Vivo Y300 Pro just got fully revealed, and it's one of the slimmest mid-range Android phones with a large battery. To be exact, the smartphone is only 7.69 mm thick but features a 6,500 mAh battery. This is the same capacity as the recently launc

Samsung has not offered any hints yet about when it will update its Fan Edition (FE) smartphone series. As it stands, the Galaxy S23 FE remains the company's most recent edition, having been presented at the start of October 2023. However, plenty of

In recent days, Ice Universe has been steadily revealing details about the Galaxy S25 Ultra, which is widely believed to be Samsung's next flagship smartphone. Among other things, the leaker claimed that Samsung only plans to bring one camera upgrade

The Redmi Note 14 Pro Plus is now official as a direct successor to last year'sRedmi Note 13 Pro Plus(curr. $375 on Amazon). As expected, the Redmi Note 14 Pro Plus heads up the Redmi Note 14 series alongside theRedmi Note 14and Redmi Note 14 Pro. Li

OnePlus'sister brand iQOO has a 2023-4 product cycle that might be nearlyover; nevertheless, the brand has declared that it is not done with itsZ9series just yet. Its final, and possibly highest-end,Turbo+variant has just beenannouncedas predicted. T
