LocationUtils.java revision 6dc9e5007de25dd9dd8fd6ebc42d9322069a9a38 
1/*
2 * Copyright (C) 2015 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 */
16package com.android.packageinstaller.permission.utils;
17
18import android.Manifest;
19import android.app.AlertDialog;
20import android.content.Context;
21import android.content.DialogInterface;
22import android.content.DialogInterface.OnClickListener;
23import android.content.Intent;
24import android.content.res.Resources;
25import android.location.ILocationManager;
26import android.location.LocationManager;
27import android.os.RemoteException;
28import android.os.ServiceManager;
29import android.provider.Settings;
30
31import com.android.packageinstaller.R;
32
33import java.util.ArrayList;
34
35public class LocationUtils {
36
37    public static final String LOCATION_PERMISSION = Manifest.permission_group.LOCATION;
38
39    public static ArrayList<String> getLocationProviders() {
40        ArrayList<String> providers = new ArrayList<>();
41        Resources res = Resources.getSystem();
42        providers.add(res.getString(
43                com.android.internal.R.string.config_networkLocationProviderPackageName));
44
45        for (String provider :
46            res.getStringArray(com.android.internal.R.array.config_locationProviderPackageNames)) {
47            providers.add(provider);
48        }
49
50        return providers;
51    }
52
53    public static void showLocationDialog(final Context context, CharSequence label) {
54        new AlertDialog.Builder(context)
55                .setIcon(com.android.internal.R.drawable.ic_dialog_alert_material)
56                .setTitle(android.R.string.dialog_alert_title)
57                .setMessage(context.getString(R.string.location_warning, label))
58                .setNegativeButton(R.string.ok, null)
59                .setPositiveButton(R.string.location_settings, new OnClickListener() {
60                    @Override
61                    public void onClick(DialogInterface dialog, int which) {
62                        context.startActivity(new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS));
63                    }
64                })
65                .show();
66    }
67
68    public static boolean isLocationEnabled(Context context) {
69        return Settings.Secure.getInt(context.getContentResolver(), Settings.Secure.LOCATION_MODE,
70                Settings.Secure.LOCATION_MODE_OFF) != Settings.Secure.LOCATION_MODE_OFF;
71    }
72
73    public static boolean isLocked(String groupName, String packageName) {
74        return LOCATION_PERMISSION.equals(groupName) && isNetworkLocationProvider(packageName);
75    }
76
77    private static boolean isNetworkLocationProvider(String packageName) {
78        ILocationManager locationService = ILocationManager.Stub.asInterface(
79                ServiceManager.getService(Context.LOCATION_SERVICE));
80        try {
81            return packageName.equals(locationService.getNetworkProviderPackage());
82        } catch (RemoteException e) {
83            return false;
84        }
85    }
86
87}
88