google map初级尝试

新建的是google map 工程
package com.wt.app;

import android.os.Bundle;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuItem;


public class App extends MapActivity {
	private static final String TAG="App";
	// 地图显示控制相关变量定义
	private MapView map=null;
	private MapController mapCon;
	
	// 菜单项
	final private int menuMode=Menu.FIRST;
	final private int menuExit=Menu.FIRST+1;
	private int chooseItem=0;
	
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        // 获取MapView
        map=(MapView)findViewById(R.id.map);
        // 设置显示模式
        map.setTraffic(true);
//        map.setSatellite(true);
//        map.setStreetView(true);
        // 设置可以缩放
        map.setBuiltInZoomControls(true);
        
        // 设置初始地图的中心位置
        GeoPoint geoBeijing=new GeoPoint((int)(39.95*1000000), (int)(116.37*1000000));
        mapCon=map.getController();
        mapCon.setCenter(geoBeijing);
        mapCon.setZoom(12);//1-21
    }
    
    @Override
	public boolean onCreateOptionsMenu(Menu menu) {
		// 建立菜单
    	menu.add(0,menuMode,0,"地图模式");
		menu.add(0, menuExit, 1, "退出");
		return super.onCreateOptionsMenu(menu);
	}

	@Override
	public boolean onKeyDown(int keyCode, KeyEvent event) {
		return super.onKeyDown(keyCode, event);
	}

	@Override
	public boolean onMenuItemSelected(int featureId, MenuItem item) {
		switch (item.getItemId()) {
		case menuExit:
			finish();
			break;
		case menuMode:
			Dialog dMode=new AlertDialog.Builder(this)
			.setTitle("地图模式设置")
			.setSingleChoiceItems(R.array.MapMode, chooseItem, new DialogInterface.OnClickListener()
			{
				public void onClick(DialogInterface dialog, int which) {
					chooseItem=which;
				}
			})
			.setPositiveButton("确定", new DialogInterface.OnClickListener()
			{
				public void onClick(DialogInterface dialog, int which) {
					Log.d(TAG,"which="+which);
					switch (which) {
					case 0:
						map.setSatellite(true);
						//map.setTraffic(false);
						//map.setStreetView(false);
						break;
					case 1:
						//map.setSatellite(false);
						map.setTraffic(true);
						//map.setStreetView(false);
						break;
					case 2:
						//map.setSatellite(false);
						//map.setTraffic(false);
						map.setStreetView(true);
						break;
					default:
						break;
					}
				}
			})
			.setNegativeButton("取消", new DialogInterface.OnClickListener() {
				public void onClick(DialogInterface dialog, int which) {
					
				}
			})
			.create();
			dMode.show();
			break;
		default:
			break;
		}
		return super.onMenuItemSelected(featureId, item);
	}

	@Override
	protected boolean isRouteDisplayed() {
		return false;
	}

}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/main"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
   <com.google.android.maps.MapView
       android:id="@+id/map"
       android:layout_width="fill_parent" 
       android:layout_height="fill_parent"
       android:enabled="true"
       android:clickable="true"
       android:apiKey="089ERVJSRYdnecGr07_l4K__MDmjUAC6ym6TRGA"
       />    
</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
      package="com.wt.app"
      android:versionCode="1"
      android:versionName="1.0">
    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <uses-library android:name="com.google.android.maps" />
        <activity android:name=".App"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

    </application>
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-sdk android:minSdkVersion="3" />

</manifest> 


google map初级尝试

如果只显示网格线,请确认将模拟器的时间调到北京时间(东八区)。

附:
中国各城市的经纬度
      "39930000,116279998",//北京
      "31399999,121470001",//上海
      "39099998,117169998",//天津
      "29520000,106480003",//重庆
      "39669998,118150001",//唐山
      "38029998,114419998",//石家庄
      "38900001,121629997",//大连
      "45750000,126769996",//哈尔滨
      "20030000,110349998",//海口
      "43900001,125220001",//长春
      "28229999,112870002",//长沙
      "30670000,104019996",//成都
      "26079999,119279998",//福州
      "23129999,113319999",//广州
      "26579999,106720001",//贵阳
      "30229999,120169998",//杭州
      "31870000,117230003",//合肥
      "40819999,111680000",//呼和浩特
      "36680000,116980003",//济南
      "25020000,102680000",//昆明
      "29657589,91132050",//拉萨
      "36040000,103879997",//兰州
      "28600000,115919998",//南昌
      "32000000,118800003",//南京
      "22819999,108349998",//南宁
      "36069999,120330001",//青岛
      "22549999,114099998",//深圳
      "41770000,123430000",//沈阳
      "37779998,112550003",//太原
      "43779998,87620002",//乌鲁木齐
      "30620000,114129997",//武汉
      "34299999,108930000",//西安
      "36619998,101769996",//西宁
      "24479999,118080001",//厦门
      "34279998,117150001",//徐州
      "38479999,106220001",//银川
      "34720001,113650001"//郑州

//google天气查询地址后面加经纬度
queryString="http://www.google.com/ig/api?hl=zh-cn&weather=,,,";

//google天气查询地址后面加城市全拼
queryString_intput="http://www.google.com/ig/api?hl=zh_cn&weather=";

得到的天气XML如下:
<xml_api_reply version="1">
-<weather module_id="0" tab_id="0" mobile_row="0" mobile_zipped="1" row="0" section="0">
-<forecast_information>
<city data="Chengdu, Sichuan"/>
<postal_code data="chengdu"/>
<latitude_e6 data=""/>
<longitude_e6 data=""/>
<forecast_date data="2009-08-18"/>
<current_date_time data="2009-08-19 00:00:00 +0000"/>
<unit_system data="SI"/>
</forecast_information>
-<current_conditions>
<condition data="多云"/>
<temp_f data="88"/>
<temp_c data="31"/>
<humidity data="湿度: 58%"/>
<icon data="/ig/images/weather/cn_cloudy.gif"/>
<wind_condition data="风向: 东、风速:4 米/秒"/>
</current_conditions>
-<forecast_conditions>
<day_of_week data="周二"/>
<low data="24"/>
<high data="33"/>
<icon data="/ig/images/weather/chance_of_rain.gif"/>
<condition data="可能有雨"/>
</forecast_conditions>
-<forecast_conditions>
<day_of_week data="周三"/>
<low data="21"/>
<high data="31"/>
<icon data="/ig/images/weather/cn_heavyrain.gif"/>
<condition data="雨"/>
</forecast_conditions>
-<forecast_conditions>
<day_of_week data="周四"/>
<low data="19"/>
<high data="29"/>
<icon data="/ig/images/weather/mostly_sunny.gif"/>
<condition data="晴间多云"/>
</forecast_conditions>
-<forecast_conditions>
<day_of_week data="周五"/>
<low data="21"/>
<high data="31"/>
<icon data="/ig/images/weather/chance_of_rain.gif"/>
<condition data="可能有雨"/>
</forecast_conditions>
</weather>
</xml_api_reply>

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