2 * Copyright (C) 2009 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.settings;
19 import android.app.backup.IBackupManager;
20 import android.content.ContentResolver;
21 import android.content.Context;
22 import android.content.Intent;
23 import android.content.pm.PackageManager;
24 import android.content.pm.ResolveInfo;
25 import android.os.Bundle;
26 import android.os.RemoteException;
27 import android.os.ServiceManager;
28 import android.os.UserHandle;
29 import android.os.UserManager;
30 import android.provider.SearchIndexableResource;
31 import android.provider.Settings;
32 import android.support.annotation.VisibleForTesting;
33 import android.support.v14.preference.SwitchPreference;
34 import android.support.v7.preference.Preference;
35 import android.support.v7.preference.Preference.OnPreferenceChangeListener;
36 import android.support.v7.preference.PreferenceScreen;
37 import android.util.Log;
39 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
40 import com.android.settings.search.BaseSearchIndexProvider;
41 import com.android.settings.search.Indexable;
42 import com.android.settingslib.RestrictedLockUtils;
44 import java.util.ArrayList;
45 import java.util.Collection;
46 import java.util.HashSet;
47 import java.util.List;
51 * Gesture lock pattern settings.
53 public class PrivacySettings extends SettingsPreferenceFragment {
56 private static final String GSETTINGS_PROVIDER = "com.google.settings";
58 static final String BACKUP_DATA = "backup_data";
60 static final String AUTO_RESTORE = "auto_restore";
62 static final String CONFIGURE_ACCOUNT = "configure_account";
64 static final String DATA_MANAGEMENT = "data_management";
65 private static final String BACKUP_INACTIVE = "backup_inactive";
66 private static final String FACTORY_RESET = "factory_reset";
67 private static final String TAG = "PrivacySettings";
68 private IBackupManager mBackupManager;
69 private Preference mBackup;
70 private SwitchPreference mAutoRestore;
71 private Preference mConfigure;
72 private Preference mManageData;
73 private boolean mEnabled;
76 public int getMetricsCategory() {
77 return MetricsEvent.PRIVACY;
81 public void onCreate(Bundle savedInstanceState) {
82 super.onCreate(savedInstanceState);
83 // Don't allow any access if this is not an admin user.
84 // TODO: backup/restore currently only works with owner user b/22760572
85 mEnabled = UserManager.get(getActivity()).isAdminUser();
90 addPreferencesFromResource(R.xml.privacy_settings);
91 final PreferenceScreen screen = getPreferenceScreen();
92 mBackupManager = IBackupManager.Stub.asInterface(
93 ServiceManager.getService(Context.BACKUP_SERVICE));
95 setPreferenceReferences(screen);
97 Set<String> keysToRemove = new HashSet<>();
98 getNonVisibleKeys(getActivity(), keysToRemove);
99 final int screenPreferenceCount = screen.getPreferenceCount();
100 for (int i = screenPreferenceCount - 1; i >= 0; --i) {
101 Preference preference = screen.getPreference(i);
102 if (keysToRemove.contains(preference.getKey())) {
103 screen.removePreference(preference);
111 public void onResume() {
121 void setPreferenceReferences(PreferenceScreen screen) {
122 mBackup = screen.findPreference(BACKUP_DATA);
124 mAutoRestore = (SwitchPreference) screen.findPreference(AUTO_RESTORE);
125 mAutoRestore.setOnPreferenceChangeListener(preferenceChangeListener);
127 mConfigure = screen.findPreference(CONFIGURE_ACCOUNT);
128 mManageData = screen.findPreference(DATA_MANAGEMENT);
131 private OnPreferenceChangeListener preferenceChangeListener = new OnPreferenceChangeListener() {
133 public boolean onPreferenceChange(Preference preference, Object newValue) {
134 if (!(preference instanceof SwitchPreference)) {
137 boolean nextValue = (Boolean) newValue;
138 boolean result = false;
139 if (preference == mAutoRestore) {
141 mBackupManager.setAutoRestore(nextValue);
143 } catch (RemoteException e) {
144 mAutoRestore.setChecked(!nextValue);
153 * Creates toggles for each backup/reset preference.
155 private void updateToggles() {
156 ContentResolver res = getContentResolver();
158 boolean backupEnabled = false;
159 Intent configIntent = null;
160 String configSummary = null;
161 Intent manageIntent = null;
162 String manageLabel = null;
164 backupEnabled = mBackupManager.isBackupEnabled();
165 String transport = mBackupManager.getCurrentTransport();
166 configIntent = validatedActivityIntent(
167 mBackupManager.getConfigurationIntent(transport), "config");
168 configSummary = mBackupManager.getDestinationString(transport);
169 manageIntent = validatedActivityIntent(
170 mBackupManager.getDataManagementIntent(transport), "management");
171 manageLabel = mBackupManager.getDataManagementLabel(transport);
173 mBackup.setSummary(backupEnabled
174 ? R.string.accessibility_feature_state_on
175 : R.string.accessibility_feature_state_off);
176 } catch (RemoteException e) {
177 // leave it 'false' and disable the UI; there's no backup manager
178 mBackup.setEnabled(false);
181 mAutoRestore.setChecked(Settings.Secure.getInt(res,
182 Settings.Secure.BACKUP_AUTO_RESTORE, 1) == 1);
183 mAutoRestore.setEnabled(backupEnabled);
185 final boolean configureEnabled = (configIntent != null) && backupEnabled;
186 mConfigure.setEnabled(configureEnabled);
187 mConfigure.setIntent(configIntent);
188 setConfigureSummary(configSummary);
190 final boolean manageEnabled = (manageIntent != null) && backupEnabled;
192 mManageData.setIntent(manageIntent);
193 if (manageLabel != null) {
194 mManageData.setTitle(manageLabel);
197 // Hide the item if data management intent is not supported by transport.
198 getPreferenceScreen().removePreference(mManageData);
202 private Intent validatedActivityIntent(Intent intent, String logLabel) {
203 if (intent != null) {
204 PackageManager pm = getPackageManager();
205 List<ResolveInfo> resolved = pm.queryIntentActivities(intent, 0);
206 if (resolved == null || resolved.isEmpty()) {
208 Log.e(TAG, "Backup " + logLabel + " intent " + intent
209 + " fails to resolve; ignoring");
215 private void setConfigureSummary(String summary) {
216 if (summary != null) {
217 mConfigure.setSummary(summary);
219 mConfigure.setSummary(R.string.backup_configure_account_default_summary);
224 protected int getHelpResource() {
225 return R.string.help_url_backup_reset;
228 private static void getNonVisibleKeys(Context context, Collection<String> nonVisibleKeys) {
229 final IBackupManager backupManager = IBackupManager.Stub.asInterface(
230 ServiceManager.getService(Context.BACKUP_SERVICE));
231 boolean isServiceActive = false;
233 isServiceActive = backupManager.isBackupServiceActive(UserHandle.myUserId());
234 } catch (RemoteException e) {
235 Log.w(TAG, "Failed querying backup manager service activity status. " +
236 "Assuming it is inactive.");
238 boolean vendorSpecific = context.getPackageManager().
239 resolveContentProvider(GSETTINGS_PROVIDER, 0) == null;
240 if (vendorSpecific || isServiceActive) {
241 nonVisibleKeys.add(BACKUP_INACTIVE);
243 if (vendorSpecific || !isServiceActive) {
244 nonVisibleKeys.add(BACKUP_DATA);
245 nonVisibleKeys.add(AUTO_RESTORE);
246 nonVisibleKeys.add(CONFIGURE_ACCOUNT);
248 if (RestrictedLockUtils.hasBaseUserRestriction(context,
249 UserManager.DISALLOW_FACTORY_RESET, UserHandle.myUserId())) {
250 nonVisibleKeys.add(FACTORY_RESET);