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      1 /*
      2  * Copyright (C) 2017 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 package com.android.google.gce.gceservice;
     17 
     18 import android.content.Context;
     19 import android.content.Intent;
     20 import android.os.Build;
     21 import android.util.Log;
     22 import com.android.google.gce.gceservice.GceFuture;
     23 import com.android.google.gce.gceservice.JobBase;
     24 
     25 /**
     26  * Configure Location Services on Android Jellybean.
     27  * No action on more recent versions of Android.
     28  */
     29 class LocationServicesManager extends JobBase {
     30     private static final String LOG_TAG = "GceLocationServicesManager";
     31     private static final String ACTION_LOCATION_SERVICES_CONSENT_INTENT =
     32             "com.google.android.gsf.action.SET_USE_LOCATION_FOR_SERVICES";
     33     private static final String EXTRA_LOCATION_SERVICES_CONSENT_DISABLE =
     34             "disable";
     35     private final Context mContext;
     36     private final GceFuture<Boolean> mResult = new GceFuture<Boolean>("Location Services");
     37 
     38 
     39     LocationServicesManager(Context context) {
     40         super(LOG_TAG);
     41         mContext = context;
     42     }
     43 
     44 
     45     public int execute() {
     46         /* Check if we're running Jellybean.
     47          * Sadly, we can't use version name Build.VERSION_CODES.JELLY_BEAN_MR2
     48          * because MR1 and MR0 don't know this number.
     49          */
     50         if (Build.VERSION.SDK_INT <= 18) {
     51             Intent intent = new Intent();
     52             intent.setAction(ACTION_LOCATION_SERVICES_CONSENT_INTENT);
     53             intent.setFlags(intent.getFlags() |
     54                     Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP);
     55             intent.putExtra(EXTRA_LOCATION_SERVICES_CONSENT_DISABLE, false);
     56             mContext.startActivity(intent);
     57         }
     58 
     59         mResult.set(true);
     60         return 0;
     61     }
     62 
     63 
     64     public void onDependencyFailed(Exception e) {
     65         Log.e(LOG_TAG, "Could not configure LocationServices.", e);
     66         mResult.set(e);
     67     }
     68 
     69 
     70     public GceFuture<Boolean> getLocationServicesReady() {
     71         return mResult;
     72     }
     73 }
     74