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      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 android.location;
     18 
     19 import android.location.Country;
     20 import android.location.ICountryListener;
     21 
     22 /**
     23  * The API for detecting the country where the user is.
     24  *
     25  * {@hide}
     26  */
     27 interface ICountryDetector
     28 {
     29     /**
     30      * Start detecting the country that the user is in.
     31      * @return the country if it is available immediately, otherwise null will be returned.
     32      */
     33     Country detectCountry();
     34 
     35     /**
     36      * Add a listener to receive the notification when the country is detected or changed.
     37      */
     38     void addCountryListener(in ICountryListener listener);
     39 
     40     /**
     41      * Remove the listener
     42      */
     43     void removeCountryListener(in ICountryListener listener);
     44 }