Android自定義地圖示例：QQ地圖

1. package com.pstreets.gisengine.demo;  
2. import com.mapdigit.gis.raster.ICustomMapType;  
3. import com.mapdigit.gis.raster.MapType;  
4. import com.mapdigit.gis.geometry.GeoLatLng;  
5. import com.pstreets.gisengine.R;  
6. import com.pstreets.gisengine.SharedMapInstance;  
7. import Android.app.Activity;  
8. import android.os.Bundle;  
9. import android.view.Menu;  
10. import android.view.MenuInflater;  
11. import android.view.MenuItem;  
12.    
13. public class CustomMap extends Activity {  
14.    
15.     @Override  
16.     public void onCreate(Bundle savedInstanceState) {  
17.         super.onCreate(savedInstanceState);  
18.         setContentView(R.layout.main);  
19.     }  
20.    
21.     @Override  
22.     public void onStart() {  
23.         super.onStart();  
24.         MapType.setCustomMapTileUrl(new TiandiMapType());  
25.         GeoLatLng center = new GeoLatLng(32.0616667, 118.7777778);  
26.         SharedMapInstance.map.setCenter(center, 13, MapType.GENERIC_MAPTYPE_5);  
27.    
28.     }  
29.    
30.     @Override  
31.     public boolean onCreateOptionsMenu(Menu menu) {  
32.         MenuInflater inflater = getMenuInflater();  
33.         inflater.inflate(R.menu.mapzoom_menu, menu);  
34.         return true;  
35.     }  
36.    
37.     @Override  
38.     public boolean onOptionsItemSelected(MenuItem item) {  
39.         // Handle item selection   
40.         switch (item.getItemId()) {  
41.         case R.id.zoomin:  
42.             SharedMapInstance.map.zoomIn();  
43.    
44.             return true;  
45.         case R.id.zoomout:  
46.             SharedMapInstance.map.zoomOut();  
47.             return true;  
48.    
49.         default:  
50.             return super.onOptionsItemSelected(item);  
51.         }  
52.    
53.     }  
54.    
55. }  
56.    
57. class TiandiMapType implements ICustomMapType {  
58.    
59.     private static int serverIndex=1;  
60.    
61.     public String getTileURL(int mtype, int x, int y, int zoomLevel) {  
62.         String returnURL="";  
63.         serverIndex+=1;  
64.         serverIndex%=3;  
65.         int maxTiles=(int)Math.pow(2, zoomLevel);  
66.         switch(mtype){  
67.             case MapType.GENERIC_MAPTYPE_5:  
68.                  returnURL= "http://p"  
69.                      + serverIndex+".map.qq.com/maptiles/" ;  
70.                  y=maxTiles-y-1;  
71.                  returnURL+=+zoomLevel  
72.                    +"/"+(int)(x/16)+"/"+(int)(y/16)+"/"+x+"_"+y+".gif";  
73.                 break;  
74.             case MapType.GENERIC_MAPTYPE_6:  
75.    
76.                 if(zoomLevel<11){  
77.                    returnURL= "http://tile"  
78.                        + serverIndex+".tianditu.com/DataServer?T=A0512_EMap";  
79.                    returnURL+="&X="+x+"&Y="+y+"&L="+zoomLevel;  
80.    
81.                 }else if(zoomLevel<13){  
82.                    returnURL= "http://tile"  
83.                        + serverIndex+".tianditu.com/DataServer?T=B0627_EMap1112";  
84.                    returnURL+="&X="+x+"&Y="+y+"&L="+zoomLevel;  
85.                 }else{  
86.                    returnURL= "http://tile"  
87.                        + serverIndex+".tianditu.com/DataServer?T=siwei0608";  
88.                    returnURL+="&X="+x+"&Y="+y+"&L="+zoomLevel;  
89.                 }  
90.    
91.                 break;  
92.             case MapType.GENERIC_MAPTYPE_7:  
93.                 if(zoomLevel<11){  
94.                    returnURL= "http://tile"  
95.                        + serverIndex+".tianditu.com/DataServer?T=AB0512_Anno";  
96.                    returnURL+="&X="+x+"&Y="+y+"&L="+zoomLevel;  
97.                 }else{  
98.                    returnURL=MapType.EMPTY_TILE_URL;  
99.                 }  
100.    
101.                 break;  
102.    
103.         }  
104.         return returnURL;  
105.     }  
106.    
107. }  

QQ地圖的分片方法和Google中國地圖分片方法一致，經緯度坐標無需調整。