1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.location.provider; 18 19 import android.os.IBinder; 20 21 import android.location.Address; 22 import android.location.GeocoderParams; 23 import android.location.IGeocodeProvider; 24 25 import java.util.List; 26 27 /** 28 * An abstract superclass for geocode providers that are implemented 29 * outside of the core android platform. 30 * Geocode providers can be implemented as services and return the result of 31 * {@link GeocodeProvider#getBinder()} in its getBinder() method. 32 * 33 * @hide 34 */ 35 public abstract class GeocodeProvider { 36 37 private IGeocodeProvider.Stub mProvider = new IGeocodeProvider.Stub() { 38 public String getFromLocation(double latitude, double longitude, int maxResults, 39 GeocoderParams params, List<Address> addrs) { 40 return GeocodeProvider.this.onGetFromLocation(latitude, longitude, maxResults, 41 params, addrs); 42 } 43 44 public String getFromLocationName(String locationName, 45 double lowerLeftLatitude, double lowerLeftLongitude, 46 double upperRightLatitude, double upperRightLongitude, int maxResults, 47 GeocoderParams params, List<Address> addrs) { 48 return GeocodeProvider.this.onGetFromLocationName(locationName, lowerLeftLatitude, 49 lowerLeftLongitude, upperRightLatitude, upperRightLongitude, 50 maxResults, params, addrs); 51 } 52 }; 53 54 /** 55 * This method is overridden to implement the 56 * {@link android.location.Geocoder#getFromLocation(double, double, int)} method. 57 * Classes implementing this method should not hold a reference to the params parameter. 58 */ onGetFromLocation(double latitude, double longitude, int maxResults, GeocoderParams params, List<Address> addrs)59 public abstract String onGetFromLocation(double latitude, double longitude, int maxResults, 60 GeocoderParams params, List<Address> addrs); 61 62 /** 63 * This method is overridden to implement the 64 * {@link android.location.Geocoder#getFromLocationName(String, int, double, double, double, double)} method. 65 * Classes implementing this method should not hold a reference to the params parameter. 66 */ onGetFromLocationName(String locationName, double lowerLeftLatitude, double lowerLeftLongitude, double upperRightLatitude, double upperRightLongitude, int maxResults, GeocoderParams params, List<Address> addrs)67 public abstract String onGetFromLocationName(String locationName, 68 double lowerLeftLatitude, double lowerLeftLongitude, 69 double upperRightLatitude, double upperRightLongitude, int maxResults, 70 GeocoderParams params, List<Address> addrs); 71 72 /** 73 * Returns the Binder interface for the geocode provider. 74 * This is intended to be used for the onBind() method of 75 * a service that implements a geocoder service. 76 * 77 * @return the IBinder instance for the provider 78 */ getBinder()79 public IBinder getBinder() { 80 return mProvider; 81 } 82 } 83