我收到com.here.android.mpa.common.UnintializedMapEngineException错误消息。这说明：
在 MapEngine 初始化之前无法创建 HERE SDK 对象。请参阅 MapEngine.init()
代码取自 Here Maps 自己在GitHub 上的示例。
在我的 MainActivity 中，我调用geoCodeAddress("some address")的是抛出错误的时间。
我正在使用 HERE SDK 版本：3.11.2.82
谁能看到我可能做错了什么？
显现
<meta-data
android:name="com.here.android.maps.appid"
android:value="MyAppIdHere" />
<meta-data
android:name="com.here.android.maps.apptoken"
android:value="MyAppTokenHere" />
<meta-data
android:name="com.here.android.maps.license.key"
android:value="MyKeyHere" />
<meta-data
android:name="INTENT_NAME"
android:value="HereMappingIntent" />
<service
android:name="com.here.android.mpa.service.MapService"
android:exported="false"
android:label="HereMapping">
<intent-filter>
<action android:name="HereMappingIntent"></action>
</intent-filter>
</service>
这里Geocoder.java
public class HereGeoCoder {
private String TAG = getClass().getSimpleName();
private IHereGeoCoderListener mListener;
private AppCompatActivity mActivity;
public HereGeoCoder(AppCompatActivity activity, IHereGeoCoderListener listener) {
this.mActivity = activity;
this.mListener = listener;
initMapEngine();
}
private void initMapEngine() {
String diskCacheRoot = Environment.getExternalStorageDirectory().getPath() + File.separator + ".isolated-here-maps";
String intentName = "";
try {
ApplicationInfo ai = mActivity.getPackageManager().getApplicationInfo(mActivity.getPackageName(), PackageManager.GET_META_DATA);
Bundle bundle = ai.metaData;
intentName = bundle.getString("INTENT_NAME");
}
catch (PackageManager.NameNotFoundException e) {
Log.e(this.getClass().toString(), "Failed to find intent name, NameNotFound: " + e.getMessage());
}
boolean success = com.here.android.mpa.common.MapSettings.setIsolatedDiskCacheRootPath(diskCacheRoot, intentName);
if (!success) {
} else {
MapEngine.getInstance().init(new ApplicationContext(mActivity), new OnEngineInitListener() {
@Override
public void onEngineInitializationCompleted(Error error) {
//Here is
Log.e(TAG, "Map Engine initialized with error code: " + error);
Toast.makeText(mActivity, "Map Engine initialized with error code:" + error, Toast.LENGTH_SHORT).show();
}
});
}
}
public void getCoordinatesForAddress(String address) {
GeocodeRequest geocodeRequest = new GeocodeRequest(address);
geocodeRequest.execute(new ResultListener<List<GeocodeResult>>() {
@Override
public void onCompleted(List<GeocodeResult> results, ErrorCode errorCode) {
if (errorCode == ErrorCode.NONE) {
if (results.size() > 0) {
HashMap<String, Double> coords = new HashMap<>();
GeocodeResult result = results.get(0);
coords.put("Latitude", result.getLocation().getCoordinate().getLatitude());
coords.put("Longitude", result.getLocation().getCoordinate().getLongitude());
if (mListener != null) {
mListener.onDidDecodeAddress(coords);
}
}
}
}
});
}
}
- - 更新
IHereGeoCoderListener.java
public interface IHereGeoCoderListener {
void onDidDecodeAddress(HashMap<String, Double> coordinates);
void onDidDecodeCoordiantes(String address);
}
MainActivity.java
public class MainActivity extends AppCompatActivity {
private String TAG = getClass().getSimpleName();
private final static int REQUEST_CODE_ASK_PERMISSIONS = 1;
private static final String[] RUNTIME_PERMISSIONS = {
Manifest.permission.ACCESS_FINE_LOCATION,
Manifest.permission.WRITE_EXTERNAL_STORAGE,
Manifest.permission.INTERNET,
Manifest.permission.ACCESS_WIFI_STATE,
Manifest.permission.ACCESS_NETWORK_STATE
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//PERMSSIONS
if (!hasPermissions(this, RUNTIME_PERMISSIONS)) {
ActivityCompat.requestPermissions(this, RUNTIME_PERMISSIONS, REQUEST_CODE_ASK_PERMISSIONS);
}
geoCodeAddress("1 Broad St, Chattanooga, TN 37402");
}
//PERMISSIONS
private static boolean hasPermissions(Context context, String... permissions) {
if (permissions != null) {
for (String permission : permissions) {
if (ActivityCompat.checkSelfPermission(context, permission) != PackageManager.PERMISSION_GRANTED) {
return false;
}
}
}
return true;
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode) {
case REQUEST_CODE_ASK_PERMISSIONS: {
for (int index = 0; index < permissions.length; index++) {
if (grantResults[index] != PackageManager.PERMISSION_GRANTED) {
/*
* If the user turned down the permission request in the past and chose the
* Don't ask again option in the permission request system dialog.
*/
if (!ActivityCompat.shouldShowRequestPermissionRationale(this, permissions[index])) {
Toast.makeText(this, "Required permission " + permissions[index] + " not granted. Please go to settings and turn on for sample app",
Toast.LENGTH_LONG).show();
} else {
Toast.makeText(this, "Required permission " + permissions[index] + " not granted", Toast.LENGTH_LONG).show();
}
}
}
break;
}
default:
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
}
// GEOCODER
private void geoCodeAddress(String address) {
if (hasPermissions(this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
//GEOCODER
HereGeoCoder geoCoder = new HereGeoCoder(this, new IHereGeoCoderListener() {
@Override
public void onDidDecodeAddress(HashMap<String, Double> coordinates) {
for (HashMap.Entry<String, Double> entry : coordinates.entrySet()) {
Log.i(TAG, String.format("%s,%s", entry.getKey(), entry.getValue()));
}
}
@Override
public void onDidDecodeCoordiantes(String address) {
Log.i(TAG, "onDidDecodeCoordinates: " + address);
}
});
geoCoder.getCoordinatesForAddress(address);
} else {
Toast.makeText(this, "You do not have the correct permissions set.", Toast.LENGTH_LONG).show();
}
}
}