Android中使用Google 地圖

第一步：建一個包含Google APIs的工程第二步：擷取Android Maps API 金鑰第三步：載入MapView第四步：通過MapController控制地圖縮放與移動擷取密鑰的方法：第一步：C:\Users\Jet>keytool -list -alias androiddebugkey -keystore "C:\Users\Jet\.android\debug.keystore" -storepass android -keypass android紅字部分是keystore的具體路徑，此處修改成自己電腦上keystore的真實路徑即可執行命令後，會得到MD5認證指紋第二步：開啟http://code.google.com/intl/zh-CN/android/maps-api-signup.html，在頁面最下部有一處輸入認證指紋得到密鑰的地方。將你得到的MD5指紋輸入，提交即可得到密鑰。（上面這個網址貌似需要翻牆之後才能正常開啟，否則輸入指紋的地方顯示不出來）密鑰格式：0QB6Bk20bHSaAJIZN******3upyNFLK_tujWTBw注意：1）不要把經度和緯度搞混，否則影響正常顯示2）在manifest.xml的<application>標籤中加這一句<uses-library android:name="com.google.android.maps"/>

public class LLAddressActivity extends MapActivity {private MapController mMapController;private MapView mapView;private Button button1, button2, button3;private EditText longet, latiet;private int zoomLevel = 0;private double dLati = 25.0402555;private double dLong = 121.512377;private String longitude = "";private String latitude = "";@Overrideprotected void onCreate(Bundle icicle) {super.onCreate(icicle);setContentView(R.layout.lladdress);//find componentsmapView = (MapView) findViewById(R.id.address_mapview);button1 = (Button) findViewById(R.id.address_search);button2 = (Button) findViewById(R.id.address_plus);button3 = (Button) findViewById(R.id.address_minus);longet = (EditText) findViewById(R.id.longtitude_et);latiet = (EditText) findViewById(R.id.latitude_et);mMapController = mapView.getController();// 設定MapView的顯示選項mapView.setSatellite(true);//預設的放大層級zoomLevel = 17;mMapController.setZoom(zoomLevel);refreshMapView();button1.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {longitude = longet.getText().toString();latitude = latiet.getText().toString();dLong = Double.parseDouble(longitude);dLati = Double.parseDouble(latitude);refreshMapView();Log.e("MAP", "latitude:" + dLati + "logitude" + longitude);}});button2.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {zoomLevel++;if (zoomLevel > mapView.getMaxZoomLevel()) {zoomLevel = mapView.getMaxZoomLevel();}mMapController.setZoom(zoomLevel);}});button3.setOnClickListener(new Button.OnClickListener() {@Overridepublic void onClick(View v) {zoomLevel--;if (zoomLevel < 1) {zoomLevel = 1;}mMapController.setZoom(zoomLevel);}});}/** * 重整Map的Method */private void refreshMapView() {GeoPoint p = new GeoPoint((int) (dLati * 1E6), (int) (dLong * 1E6));mapView.displayZoomControls(true);/* 將Map的中點移動GeoPoint */mMapController.animateTo(p);mMapController.setZoom(zoomLevel);}@Overrideprotected boolean isRouteDisplayed() {return false;}}

布局檔案中使用這樣一段來顯示地圖

<com.google.android.maps.MapView        android:id="@+id/address_mapview"        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:clickable="true"        android:apiKey="0QB6Bk20b**********upyNFLK_tujWTBw" />