我正在使用Android应用程序，其中需要显示地图。我工作了3天，但没有得到任何积极的结果。
我遵循了本教程Google Maps Android API v2。但是，当我运行我的应用程序。它简单地给出例外
IOException processing: 26
java.io.IOException: Server returned: 3
at android_maps_conflict_avoidance.com.google.googlenav.map.BaseTileRequest.readResponseData(BaseTileRequest.java:115)
at android_maps_conflict_avoidance.com.google.googlenav.map.MapService$MapTileRequest.readResponseData(MapService.java:1473)
at android_maps_conflict_avoidance.com.google.googlenav.datarequest.DataRequestDispatcher.processDataRequest(DataRequestDispatcher.java:1117)
at android_maps_conflict_avoidance.com.google.googlenav.datarequest.DataRequestDispatcher.serviceRequests(DataRequestDispatcher.java:994)
at android_maps_conflict_avoidance.com.google.googlenav.datarequest.DataRequestDispatcher$DispatcherServer.run(DataRequestDispatcher.java:1702)
这是我的代码：
的活动：
public class DisplayMap extends MapActivity{
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.mapView);
}
@Override
protected boolean isRouteDisplayed() {
return false;
}
}
XML：
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<com.google.android.maps.MapView
android:id="@+id/mapView"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:enabled="true"
android:clickable="true"
android:apiKey="AIzaSyA1MXQ1Hc4-VhOOfItFHA1WCsGFUGcJ-BQ"
/>
</RelativeLayout>
清单：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.rakhi577.maptest"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<permission
android:name="com.rakhi577.maptest.permission.MAPS_RECEIVE"
android:protectionLevel="signature"/>
<uses-permission android:name="com.rakhi577.maptest.permission.MAPS_RECEIVE"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<!-- The following two permissions are not required to use
Google Maps Android API v2, but are recommended. -->
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-feature
android:glEsVersion="0x00020000"
android:required="true"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<uses-library android:name="com.google.android.maps" />
<activity
android:name="com.rakhi577.maptest.MainActivity"
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>
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="AIzaSyA1MXQ1Hc4-VhOOfItFHA1WCsGFUGcJ-BQ"/>
</manifest>
我使用debug.keystore创建了地图。任何人都可以帮助我......
答案 0 :(得分：0)
使用Google maps v2
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@id/rg_views"
android:name="com.google.android.gms.maps.SupportMapFragment"
/>
和A.java
Googlemap gm;
gm =（（SupportMapFragment）（getSupportFragmentManager（）。findFragmentById（R.id.map）））。getMap（）;
可以在此查看完整的教程。 http://www.vogella.com/articles/AndroidGoogleMaps/article.html
并且在清单文件中，要给出的权限集
<uses-permission android:name=".LocationGoogleMapV2Demo.permission.MAPS_RECEIVE"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-feature
android:glEsVersion="0x00020000"
android:required="true"/>
答案 1 :(得分：0)
将此代码用于谷歌地图我是从androidhive.com
这样做的import com.google.api.client.googleapis.GoogleHeaders;
import com.google.api.client.http.GenericUrl;
import com.google.api.client.http.HttpRequest;
import com.google.api.client.http.HttpRequestFactory;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.HttpTransport;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.http.json.JsonHttpParser;
import com.google.api.client.json.jackson.JacksonFactory;
@SuppressWarnings("deprecation")
public class GooglePlaces {
/** Global instance of the HTTP transport. */
private static final HttpTransport HTTP_TRANSPORT = new NetHttpTransport();
// Google API Key
private static final String API_KEY = "AIzaSyCRLa4LQZWNQBcjCYcIVYA45i9i8zfClqc";
// Google Places serach url's
private static final String PLACES_SEARCH_URL = "https://maps.googleapis.com/maps/api/place/search/json?";
private static final String PLACES_TEXT_SEARCH_URL = "https://maps.googleapis.com/maps/api/place/search/json?";
private static final String PLACES_DETAILS_URL = "https://maps.googleapis.com/maps/api/place/details/json?";
private double _latitude;
private double _longitude;
private double _radius;
/**
* Searching places
* @param latitude - latitude of place
* @params longitude - longitude of place
* @param radius - radius of searchable area
* @param types - type of place to search
* @return list of places
* */
public PlacesList search(double latitude, double longitude, double radius, String types)
throws Exception {
this._latitude = latitude;
this._longitude = longitude;
this._radius = radius;
try {
HttpRequestFactory httpRequestFactory = createRequestFactory(HTTP_TRANSPORT);
HttpRequest request = httpRequestFactory
.buildGetRequest(new GenericUrl(PLACES_SEARCH_URL));
request.getUrl().put("key", API_KEY);
request.getUrl().put("location", _latitude + "," + _longitude);
request.getUrl().put("radius", _radius); // in meters
request.getUrl().put("sensor", "false");
if(types != null)
request.getUrl().put("types", types);
PlacesList list = request.execute().parseAs(PlacesList.class);
// Check log cat for places response status
Log.d("Places Status", "" + list.status);
return list;
} catch (HttpResponseException e) {
Log.e("Error:", e.getMessage());
return null;
}
}
/**
* Searching single place full details
* @param refrence - reference id of place
* - which you will get in search api request
* */
public PlaceDetails getPlaceDetails(String reference) throws Exception {
try {
HttpRequestFactory httpRequestFactory = createRequestFactory(HTTP_TRANSPORT);
HttpRequest request = httpRequestFactory
.buildGetRequest(new GenericUrl(PLACES_DETAILS_URL));
request.getUrl().put("key", API_KEY);
request.getUrl().put("reference", reference);
request.getUrl().put("sensor", "false");
PlaceDetails place = request.execute().parseAs(PlaceDetails.class);
return place;
} catch (HttpResponseException e) {
Log.e("Error in Perform Details", e.getMessage());
throw e;
}
}
/**
* Creating http request Factory
* */
public static HttpRequestFactory createRequestFactory(
final HttpTransport transport) {
return transport.createRequestFactory(new HttpRequestInitializer() {
public void initialize(HttpRequest request) {
GoogleHeaders headers = new GoogleHeaders();
headers.setApplicationName("AndroidHive-Places-Test");
request.setHeaders(headers);
JsonHttpParser parser = new JsonHttpParser(new JacksonFactory());
request.addParser(parser);
}
});
}
}
对于api键你可以打开androidhive.com并注册到这个..我可以得到关于谷歌地图的教程