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    }        @Overridepublic 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);}@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) {return super.onKeyDown(keyCode, event);}@Overridepublic 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);}@Overrideprotected 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> 

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>