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Bryan Mawhinney87b1aac2017-01-16 18:06:07 +00001/*
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
17package android.provider;
18
19import static com.google.android.collect.Sets.newHashSet;
20import static org.hamcrest.MatcherAssert.assertThat;
21import static org.hamcrest.Matchers.empty;
22import static org.hamcrest.Matchers.is;
23import static java.lang.reflect.Modifier.isFinal;
24import static java.lang.reflect.Modifier.isPublic;
25import static java.lang.reflect.Modifier.isStatic;
26
Bryan Mawhinney2c5f95a2017-02-21 10:58:23 +000027import android.platform.test.annotations.Presubmit;
Bryan Mawhinney24a2ae52017-01-31 11:18:50 +000028import android.support.test.filters.SmallTest;
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +000029import android.support.test.runner.AndroidJUnit4;
30
31import java.lang.reflect.Field;
32import java.util.HashSet;
33import java.util.Set;
34
35import org.junit.Test;
36import org.junit.runner.RunWith;
37
Bryan Mawhinney2c5f95a2017-02-21 10:58:23 +000038/** Tests that ensure appropriate settings are backed up. */
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +000039@RunWith(AndroidJUnit4.class)
Bryan Mawhinney24a2ae52017-01-31 11:18:50 +000040@SmallTest
Bryan Mawhinney2c5f95a2017-02-21 10:58:23 +000041public class SettingsBackupTest {
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +000042
43 /**
44 * The following blacklists contain settings that should *not* be backed up and restored to
45 * another device. As a general rule, anything that is not user configurable should be
46 * blacklisted (and conversely, things that *are* user configurable *should* be backed up)
47 */
48 private static final Set<String> BACKUP_BLACKLISTED_SYSTEM_SETTINGS =
49 newHashSet(
50 Settings.System.ADVANCED_SETTINGS, // candidate for backup?
51 Settings.System.ALARM_ALERT, // backup candidate?
52 Settings.System.ALARM_ALERT_CACHE, // internal cache
53 Settings.System.APPEND_FOR_LAST_AUDIBLE, // suffix deprecated since API 2
54 Settings.System.EGG_MODE, // I am the lolrus
55 Settings.System.END_BUTTON_BEHAVIOR, // bug?
56 Settings.System
57 .HIDE_ROTATION_LOCK_TOGGLE_FOR_ACCESSIBILITY, // candidate for backup?
58 Settings.System.LOCKSCREEN_DISABLED, // ?
59 Settings.System.MEDIA_BUTTON_RECEIVER, // candidate for backup?
60 Settings.System.MUTE_STREAMS_AFFECTED, // candidate for backup?
61 Settings.System.NOTIFICATION_LIGHT_PULSE, // candidate for backup?
62 Settings.System.NOTIFICATION_SOUND_CACHE, // internal cache
63 Settings.System.POINTER_LOCATION, // backup candidate?
64 Settings.System.RINGTONE_CACHE, // internal cache
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +000065 Settings.System.SETUP_WIZARD_HAS_RUN, // Only used by SuW
66 Settings.System.SHOW_GTALK_SERVICE_STATUS, // candidate for backup?
67 Settings.System.SHOW_TOUCHES, // bug?
68 Settings.System.SIP_ADDRESS_ONLY, // value, not a setting
69 Settings.System.SIP_ALWAYS, // value, not a setting
70 Settings.System.SYSTEM_LOCALES, // bug?
71 Settings.System.USER_ROTATION, // backup candidate?
72 Settings.System.VIBRATE_IN_SILENT, // deprecated?
73 Settings.System.VIBRATE_ON, // candidate for backup?
Michal Karpinski034a83f2017-04-26 19:25:25 +010074 Settings.System.VOLUME_ACCESSIBILITY, // used internally, changing value will
75 // not change volume
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +000076 Settings.System.VOLUME_ALARM, // deprecated since API 2?
77 Settings.System.VOLUME_BLUETOOTH_SCO, // deprecated since API 2?
78 Settings.System.VOLUME_MASTER, // candidate for backup?
79 Settings.System.VOLUME_MUSIC, // deprecated since API 2?
80 Settings.System.VOLUME_NOTIFICATION, // deprecated since API 2?
81 Settings.System.VOLUME_RING, // deprecated since API 2?
82 Settings.System.VOLUME_SYSTEM, // deprecated since API 2?
83 Settings.System.VOLUME_VOICE, // deprecated since API 2?
84 Settings.System.WHEN_TO_MAKE_WIFI_CALLS, // bug?
85 Settings.System.WINDOW_ORIENTATION_LISTENER_LOG // used for debugging only
86 );
87
88 private static final Set<String> BACKUP_BLACKLISTED_GLOBAL_SETTINGS =
89 newHashSet(
Bryan Mawhinney24a2ae52017-01-31 11:18:50 +000090 Settings.Global.ACTIVITY_MANAGER_CONSTANTS,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +000091 Settings.Global.ADB_ENABLED,
92 Settings.Global.ADD_USERS_WHEN_LOCKED,
93 Settings.Global.AIRPLANE_MODE_ON,
94 Settings.Global.AIRPLANE_MODE_RADIOS,
95 Settings.Global.AIRPLANE_MODE_TOGGLEABLE_RADIOS,
96 Settings.Global.ALARM_MANAGER_CONSTANTS,
97 Settings.Global.ALLOW_USER_SWITCHING_WHEN_SYSTEM_USER_LOCKED,
98 Settings.Global.ALWAYS_FINISH_ACTIVITIES,
99 Settings.Global.ANIMATOR_DURATION_SCALE,
100 Settings.Global.APN_DB_UPDATE_CONTENT_URL,
101 Settings.Global.APN_DB_UPDATE_METADATA_URL,
102 Settings.Global.APP_IDLE_CONSTANTS,
103 Settings.Global.ASSISTED_GPS_ENABLED,
104 Settings.Global.AUDIO_SAFE_VOLUME_STATE,
Artem Iglikov50219182017-04-05 15:27:54 +0100105 Settings.Global.BACKUP_REFACTORED_SERVICE_DISABLED,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000106 Settings.Global.BATTERY_DISCHARGE_DURATION_THRESHOLD,
107 Settings.Global.BATTERY_DISCHARGE_THRESHOLD,
108 Settings.Global.BLE_SCAN_ALWAYS_AVAILABLE,
109 Settings.Global.BLUETOOTH_A2DP_SINK_PRIORITY_PREFIX,
110 Settings.Global.BLUETOOTH_A2DP_SRC_PRIORITY_PREFIX,
Antony Sargentf5772c62017-04-26 16:37:53 -0700111 Settings.Global.BLUETOOTH_A2DP_SUPPORTS_OPTIONAL_CODECS_PREFIX,
112 Settings.Global.BLUETOOTH_A2DP_OPTIONAL_CODECS_ENABLED_PREFIX,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000113 Settings.Global.BLUETOOTH_DISABLED_PROFILES,
114 Settings.Global.BLUETOOTH_HEADSET_PRIORITY_PREFIX,
115 Settings.Global.BLUETOOTH_INPUT_DEVICE_PRIORITY_PREFIX,
116 Settings.Global.BLUETOOTH_INTEROPERABILITY_LIST,
117 Settings.Global.BLUETOOTH_MAP_CLIENT_PRIORITY_PREFIX,
118 Settings.Global.BLUETOOTH_MAP_PRIORITY_PREFIX,
119 Settings.Global.BLUETOOTH_ON, // Candidate for backup?
120 Settings.Global.BLUETOOTH_PAN_PRIORITY_PREFIX,
121 Settings.Global.BLUETOOTH_PBAP_CLIENT_PRIORITY_PREFIX,
122 Settings.Global.BLUETOOTH_SAP_PRIORITY_PREFIX,
123 Settings.Global.BOOT_COUNT,
124 Settings.Global.CAPTIVE_PORTAL_FALLBACK_URL,
125 Settings.Global.CAPTIVE_PORTAL_HTTPS_URL,
126 Settings.Global.CAPTIVE_PORTAL_HTTP_URL,
127 Settings.Global.CAPTIVE_PORTAL_MODE,
Michal Karpinski034a83f2017-04-26 19:25:25 +0100128 Settings.Global.CAPTIVE_PORTAL_OTHER_FALLBACK_URLS,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000129 Settings.Global.CAPTIVE_PORTAL_SERVER,
130 Settings.Global.CAPTIVE_PORTAL_USE_HTTPS,
131 Settings.Global.CAPTIVE_PORTAL_USER_AGENT,
132 Settings.Global.CAR_DOCK_SOUND,
133 Settings.Global.CARRIER_APP_WHITELIST,
134 Settings.Global.CAR_UNDOCK_SOUND,
135 Settings.Global.CDMA_CELL_BROADCAST_SMS,
136 Settings.Global.CDMA_ROAMING_MODE,
137 Settings.Global.CDMA_SUBSCRIPTION_MODE,
138 Settings.Global.CELL_ON,
139 Settings.Global.CERT_PIN_UPDATE_CONTENT_URL,
140 Settings.Global.CERT_PIN_UPDATE_METADATA_URL,
141 Settings.Global.COMPATIBILITY_MODE,
142 Settings.Global.CONNECTIVITY_CHANGE_DELAY,
143 Settings.Global.CONNECTIVITY_METRICS_BUFFER_SIZE,
144 Settings.Global.CONNECTIVITY_SAMPLING_INTERVAL_IN_SECONDS,
145 Settings.Global.CONTACT_METADATA_SYNC_ENABLED,
146 Settings.Global.CONTACTS_DATABASE_WAL_ENABLED,
147 Settings.Global.DATA_ACTIVITY_TIMEOUT_MOBILE,
148 Settings.Global.DATA_ACTIVITY_TIMEOUT_WIFI,
Amith Yamasani39452022017-03-21 15:23:47 -0700149 Settings.Global.DATABASE_CREATION_BUILDID,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000150 Settings.Global.DATABASE_DOWNGRADE_REASON,
151 Settings.Global.DATA_ROAMING,
152 Settings.Global.DATA_STALL_ALARM_AGGRESSIVE_DELAY_IN_MS,
153 Settings.Global.DATA_STALL_ALARM_NON_AGGRESSIVE_DELAY_IN_MS,
154 Settings.Global.DEBUG_APP,
155 Settings.Global.DEBUG_VIEW_ATTRIBUTES,
156 Settings.Global.DEFAULT_DNS_SERVER,
157 Settings.Global.DEFAULT_INSTALL_LOCATION,
158 Settings.Global.DESK_DOCK_SOUND,
159 Settings.Global.DESK_UNDOCK_SOUND,
160 Settings.Global.DEVELOPMENT_ENABLE_FREEFORM_WINDOWS_SUPPORT,
161 Settings.Global.DEVELOPMENT_FORCE_RESIZABLE_ACTIVITIES,
162 Settings.Global.DEVELOPMENT_FORCE_RTL,
163 Settings.Global.DEVELOPMENT_SETTINGS_ENABLED,
164 Settings.Global.DEVICE_DEMO_MODE,
165 Settings.Global.DEVICE_IDLE_CONSTANTS,
166 Settings.Global.DEVICE_IDLE_CONSTANTS_WATCH,
jackqdyulei455e90a2017-02-09 15:29:16 -0800167 Settings.Global.BATTERY_SAVER_CONSTANTS,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000168 Settings.Global.DEVICE_NAME,
Bryan Mawhinney20924842017-05-11 12:50:14 +0100169 Settings.Global.DEVICE_POLICY_CONSTANTS,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000170 Settings.Global.DEVICE_PROVISIONED,
171 Settings.Global.DEVICE_PROVISIONING_MOBILE_DATA_ENABLED,
172 Settings.Global.DISK_FREE_CHANGE_REPORTING_THRESHOLD,
173 Settings.Global.DISPLAY_SCALING_FORCE,
174 Settings.Global.DISPLAY_SIZE_FORCED,
175 Settings.Global.DNS_RESOLVER_MAX_SAMPLES,
176 Settings.Global.DNS_RESOLVER_MIN_SAMPLES,
177 Settings.Global.DNS_RESOLVER_SAMPLE_VALIDITY_SECONDS,
178 Settings.Global.DNS_RESOLVER_SUCCESS_THRESHOLD_PERCENT,
179 Settings.Global.DOCK_SOUNDS_ENABLED_WHEN_ACCESSIBILITY,
180 Settings.Global.DOWNLOAD_MAX_BYTES_OVER_MOBILE,
181 Settings.Global.DOWNLOAD_RECOMMENDED_MAX_BYTES_OVER_MOBILE,
182 Settings.Global.DROPBOX_AGE_SECONDS,
183 Settings.Global.DROPBOX_MAX_FILES,
184 Settings.Global.DROPBOX_QUOTA_KB,
185 Settings.Global.DROPBOX_QUOTA_PERCENT,
186 Settings.Global.DROPBOX_RESERVE_PERCENT,
187 Settings.Global.DROPBOX_TAG_PREFIX,
188 Settings.Global.EMERGENCY_AFFORDANCE_NEEDED,
189 Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED,
Daniel Nishi0f703e62017-02-21 15:19:27 -0800190 Settings.Global.ENABLE_CACHE_QUOTA_CALCULATION,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000191 Settings.Global.ENABLE_CELLULAR_ON_BOOT,
Bryan Mawhinney24a2ae52017-01-31 11:18:50 +0000192 Settings.Global.ENABLE_DISKSTATS_LOGGING,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000193 Settings.Global.ENABLE_EPHEMERAL_FEATURE,
194 Settings.Global.ENHANCED_4G_MODE_ENABLED,
195 Settings.Global.EPHEMERAL_COOKIE_MAX_SIZE_BYTES,
196 Settings.Global.ERROR_LOGCAT_PREFIX,
197 Settings.Global.FANCY_IME_ANIMATIONS,
198 Settings.Global.FORCE_ALLOW_ON_EXTERNAL,
199 Settings.Global.FSTRIM_MANDATORY_INTERVAL,
200 Settings.Global.GLOBAL_HTTP_PROXY_EXCLUSION_LIST,
201 Settings.Global.GLOBAL_HTTP_PROXY_HOST,
202 Settings.Global.GLOBAL_HTTP_PROXY_PAC,
203 Settings.Global.GLOBAL_HTTP_PROXY_PORT,
204 Settings.Global.GPRS_REGISTER_CHECK_PERIOD_MS,
205 Settings.Global.HDMI_CONTROL_AUTO_DEVICE_OFF_ENABLED,
206 Settings.Global.HDMI_CONTROL_AUTO_WAKEUP_ENABLED,
207 Settings.Global.HDMI_CONTROL_ENABLED,
Donghyun Choc1fa9af2016-12-27 18:31:09 +0900208 Settings.Global.HDMI_SYSTEM_AUDIO_CONTROL_ENABLED,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000209 Settings.Global.HEADS_UP_NOTIFICATIONS_ENABLED,
210 Settings.Global.HTTP_PROXY,
211 Settings.Global.INET_CONDITION_DEBOUNCE_DOWN_DELAY,
212 Settings.Global.INET_CONDITION_DEBOUNCE_UP_DELAY,
213 Settings.Global.INTENT_FIREWALL_UPDATE_CONTENT_URL,
214 Settings.Global.INTENT_FIREWALL_UPDATE_METADATA_URL,
215 Settings.Global.JOB_SCHEDULER_CONSTANTS,
Michal Karpinski034a83f2017-04-26 19:25:25 +0100216 Settings.Global.LANG_ID_UPDATE_CONTENT_URL,
217 Settings.Global.LANG_ID_UPDATE_METADATA_URL,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000218 Settings.Global.LOCATION_BACKGROUND_THROTTLE_INTERVAL_MS,
Lifu Tangc94ef4d2017-03-23 23:48:00 -0700219 Settings.Global.LOCATION_BACKGROUND_THROTTLE_PROXIMITY_ALERT_INTERVAL_MS,
Bryan Mawhinney24a2ae52017-01-31 11:18:50 +0000220 Settings.Global.LOCATION_BACKGROUND_THROTTLE_PACKAGE_WHITELIST,
221 Settings.Global.LOCATION_SETTINGS_LINK_TO_PERMISSIONS_ENABLED,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000222 Settings.Global.LOCK_SOUND,
223 Settings.Global.LOW_BATTERY_SOUND,
224 Settings.Global.LOW_BATTERY_SOUND_TIMEOUT,
225 Settings.Global.LOW_POWER_MODE,
226 Settings.Global.LTE_SERVICE_FORCED,
227 Settings.Global.MAX_NOTIFICATION_ENQUEUE_RATE,
228 Settings.Global.MDC_INITIAL_MAX_RETRY,
229 Settings.Global.MHL_INPUT_SWITCHING_ENABLED,
230 Settings.Global.MHL_POWER_CHARGE_ENABLED,
231 Settings.Global.MOBILE_DATA, // Candidate for backup?
232 Settings.Global.MOBILE_DATA_ALWAYS_ON,
233 Settings.Global.MODE_RINGER,
234 Settings.Global.MULTI_SIM_DATA_CALL_SUBSCRIPTION,
235 Settings.Global.MULTI_SIM_SMS_PROMPT,
236 Settings.Global.MULTI_SIM_SMS_SUBSCRIPTION,
237 Settings.Global.MULTI_SIM_VOICE_CALL_SUBSCRIPTION,
238 Settings.Global.MULTI_SIM_VOICE_PROMPT,
239 Settings.Global.NETSTATS_DEV_BUCKET_DURATION,
240 Settings.Global.NETSTATS_DEV_DELETE_AGE,
241 Settings.Global.NETSTATS_DEV_PERSIST_BYTES,
242 Settings.Global.NETSTATS_DEV_ROTATE_AGE,
243 Settings.Global.NETSTATS_ENABLED,
244 Settings.Global.NETSTATS_GLOBAL_ALERT_BYTES,
245 Settings.Global.NETSTATS_POLL_INTERVAL,
246 Settings.Global.NETSTATS_SAMPLE_ENABLED,
247 Settings.Global.NETSTATS_TIME_CACHE_MAX_AGE,
248 Settings.Global.NETSTATS_UID_BUCKET_DURATION,
249 Settings.Global.NETSTATS_UID_DELETE_AGE,
250 Settings.Global.NETSTATS_UID_PERSIST_BYTES,
251 Settings.Global.NETSTATS_UID_ROTATE_AGE,
252 Settings.Global.NETSTATS_UID_TAG_BUCKET_DURATION,
253 Settings.Global.NETSTATS_UID_TAG_DELETE_AGE,
254 Settings.Global.NETSTATS_UID_TAG_PERSIST_BYTES,
255 Settings.Global.NETSTATS_UID_TAG_ROTATE_AGE,
256 Settings.Global.NETWORK_AVOID_BAD_WIFI,
Bryan Mawhinney9a471b942017-02-01 13:18:07 +0000257 Settings.Global.NETWORK_METERED_MULTIPATH_PREFERENCE,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000258 Settings.Global.NETWORK_PREFERENCE,
Bryan Mawhinney2c5f95a2017-02-21 10:58:23 +0000259 Settings.Global.NETWORK_RECOMMENDATIONS_PACKAGE,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000260 Settings.Global.NETWORK_RECOMMENDATION_REQUEST_TIMEOUT_MS,
261 Settings.Global.NETWORK_SCORER_APP,
262 Settings.Global.NETWORK_SCORING_PROVISIONED,
Bryan Mawhinney24a2ae52017-01-31 11:18:50 +0000263 Settings.Global.NETWORK_SCORING_UI_ENABLED,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000264 Settings.Global.NETWORK_SWITCH_NOTIFICATION_DAILY_LIMIT,
265 Settings.Global.NETWORK_SWITCH_NOTIFICATION_RATE_LIMIT_MILLIS,
266 Settings.Global.NEW_CONTACT_AGGREGATOR,
267 Settings.Global.NITZ_UPDATE_DIFF,
268 Settings.Global.NITZ_UPDATE_SPACING,
269 Settings.Global.NSD_ON,
270 Settings.Global.NTP_SERVER,
271 Settings.Global.NTP_TIMEOUT,
272 Settings.Global.OTA_DISABLE_AUTOMATIC_UPDATE,
273 Settings.Global.OVERLAY_DISPLAY_DEVICES,
274 Settings.Global.PAC_CHANGE_DELAY,
275 Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE,
276 Settings.Global.PACKAGE_VERIFIER_ENABLE,
277 Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB,
278 Settings.Global.PACKAGE_VERIFIER_SETTING_VISIBLE,
279 Settings.Global.PACKAGE_VERIFIER_TIMEOUT,
280 Settings.Global.PDP_WATCHDOG_ERROR_POLL_COUNT,
281 Settings.Global.PDP_WATCHDOG_ERROR_POLL_INTERVAL_MS,
282 Settings.Global.PDP_WATCHDOG_LONG_POLL_INTERVAL_MS,
283 Settings.Global.PDP_WATCHDOG_MAX_PDP_RESET_FAIL_COUNT,
284 Settings.Global.PDP_WATCHDOG_POLL_INTERVAL_MS,
285 Settings.Global.PDP_WATCHDOG_TRIGGER_PACKET_COUNT,
286 Settings.Global.POLICY_CONTROL,
Bryan Mawhinney24a2ae52017-01-31 11:18:50 +0000287 Settings.Global.POWER_MANAGER_CONSTANTS,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000288 Settings.Global.PREFERRED_NETWORK_MODE,
289 Settings.Global.PROVISIONING_APN_ALARM_DELAY_IN_MS,
290 Settings.Global.RADIO_BLUETOOTH,
291 Settings.Global.RADIO_CELL,
292 Settings.Global.RADIO_NFC,
293 Settings.Global.RADIO_WIFI,
294 Settings.Global.RADIO_WIMAX,
Amin Shaikhd3c81932017-02-06 16:22:42 -0800295 Settings.Global.RECOMMENDED_NETWORK_EVALUATOR_CACHE_EXPIRY_MS,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000296 Settings.Global.READ_EXTERNAL_STORAGE_ENFORCED_DEFAULT,
297 Settings.Global.REQUIRE_PASSWORD_TO_DECRYPT,
298 Settings.Global.RETAIL_DEMO_MODE_CONSTANTS,
299 Settings.Global.SAFE_BOOT_DISALLOWED,
300 Settings.Global.SAMPLING_PROFILER_MS,
301 Settings.Global.SELINUX_STATUS,
302 Settings.Global.SELINUX_UPDATE_CONTENT_URL,
303 Settings.Global.SELINUX_UPDATE_METADATA_URL,
304 Settings.Global.SEND_ACTION_APP_ERROR,
305 Settings.Global.SET_GLOBAL_HTTP_PROXY,
306 Settings.Global.SET_INSTALL_LOCATION,
307 Settings.Global.SETUP_PREPAID_DATA_SERVICE_URL,
308 Settings.Global.SETUP_PREPAID_DETECTION_REDIR_HOST,
309 Settings.Global.SETUP_PREPAID_DETECTION_TARGET_URL,
310 Settings.Global.SHORTCUT_MANAGER_CONSTANTS,
Geoffrey Pitschbd3ec6a2017-05-04 14:56:33 -0400311 Settings.Global.SHOW_NOTIFICATION_CHANNEL_WARNINGS,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000312 Settings.Global.SHOW_TEMPERATURE_WARNING,
Michal Karpinski034a83f2017-04-26 19:25:25 +0100313 Settings.Global.SMART_SELECTION_UPDATE_CONTENT_URL,
314 Settings.Global.SMART_SELECTION_UPDATE_METADATA_URL,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000315 Settings.Global.SMS_OUTGOING_CHECK_INTERVAL_MS,
316 Settings.Global.SMS_OUTGOING_CHECK_MAX_COUNT,
317 Settings.Global.SMS_SHORT_CODE_CONFIRMATION,
318 Settings.Global.SMS_SHORT_CODE_RULE,
319 Settings.Global.SMS_SHORT_CODES_UPDATE_CONTENT_URL,
320 Settings.Global.SMS_SHORT_CODES_UPDATE_METADATA_URL,
321 Settings.Global.STORAGE_BENCHMARK_INTERVAL,
322 Settings.Global.SYNC_MAX_RETRY_DELAY_IN_SECONDS,
323 Settings.Global.SYS_FREE_STORAGE_LOG_INTERVAL,
Jeff Sharkey78f6f7f2017-02-21 13:57:31 -0700324 Settings.Global.SYS_STORAGE_CACHE_MAX_BYTES,
325 Settings.Global.SYS_STORAGE_CACHE_PERCENTAGE,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000326 Settings.Global.SYS_STORAGE_FULL_THRESHOLD_BYTES,
327 Settings.Global.SYS_STORAGE_THRESHOLD_MAX_BYTES,
328 Settings.Global.SYS_STORAGE_THRESHOLD_PERCENTAGE,
329 Settings.Global.TCP_DEFAULT_INIT_RWND,
330 Settings.Global.TETHER_DUN_APN,
331 Settings.Global.TETHER_DUN_REQUIRED,
332 Settings.Global.TETHER_SUPPORTED,
333 Settings.Global.THEATER_MODE_ON,
334 Settings.Global.TRANSITION_ANIMATION_SCALE,
335 Settings.Global.TRUSTED_SOUND,
336 Settings.Global.TZINFO_UPDATE_CONTENT_URL,
337 Settings.Global.TZINFO_UPDATE_METADATA_URL,
Svet Ganovf36d53c2017-05-24 00:27:21 -0700338 Settings.Global.INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD,
339 Settings.Global.INSTALLED_INSTANT_APP_MAX_CACHE_PERIOD,
340 Settings.Global.UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD,
341 Settings.Global.UNINSTALLED_INSTANT_APP_MAX_CACHE_PERIOD,
342 Settings.Global.UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000343 Settings.Global.UNLOCK_SOUND,
344 Settings.Global.USE_GOOGLE_MAIL,
345 Settings.Global.VT_IMS_ENABLED,
346 Settings.Global.WAIT_FOR_DEBUGGER,
Sudheer Shanka5918c672017-03-21 19:31:37 -0700347 Settings.Global.NETWORK_ACCESS_TIMEOUT_MS,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000348 Settings.Global.WARNING_TEMPERATURE,
349 Settings.Global.WEBVIEW_DATA_REDUCTION_PROXY_KEY,
350 Settings.Global.WEBVIEW_FALLBACK_LOGIC_ENABLED,
351 Settings.Global.WEBVIEW_MULTIPROCESS,
352 Settings.Global.WEBVIEW_PROVIDER,
353 Settings.Global.WFC_IMS_ENABLED,
354 Settings.Global.WFC_IMS_MODE,
355 Settings.Global.WFC_IMS_ROAMING_ENABLED,
356 Settings.Global.WFC_IMS_ROAMING_MODE,
Bryan Mawhinney9a471b942017-02-01 13:18:07 +0000357 Settings.Global.WIFI_BADGING_THRESHOLDS,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000358 Settings.Global.WIFI_BOUNCE_DELAY_OVERRIDE_MS,
359 Settings.Global.WIFI_COUNTRY_CODE,
360 Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN,
361 Settings.Global.WIFI_DISPLAY_CERTIFICATION_ON,
362 Settings.Global.WIFI_DISPLAY_ON,
363 Settings.Global.WIFI_DISPLAY_WPS_CONFIG,
364 Settings.Global.WIFI_ENHANCED_AUTO_JOIN,
365 Settings.Global.WIFI_EPHEMERAL_OUT_OF_RANGE_TIMEOUT_MS,
366 Settings.Global.WIFI_FRAMEWORK_SCAN_INTERVAL_MS,
367 Settings.Global.WIFI_FREQUENCY_BAND,
368 Settings.Global.WIFI_IDLE_MS,
369 Settings.Global.WIFI_MAX_DHCP_RETRY_COUNT,
370 Settings.Global.WIFI_MOBILE_DATA_TRANSITION_WAKELOCK_TIMEOUT_MS,
371 Settings.Global.WIFI_NETWORK_SHOW_RSSI,
372 Settings.Global.WIFI_NETWORKS_AVAILABLE_REPEAT_DELAY,
373 Settings.Global.WIFI_NUM_OPEN_NETWORKS_KEPT,
374 Settings.Global.WIFI_ON,
375 Settings.Global.WIFI_P2P_DEVICE_NAME,
376 Settings.Global.WIFI_REENABLE_DELAY_MS,
377 Settings.Global.WIFI_SAVED_STATE,
378 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE,
Wei Wang3b7528b2017-05-04 13:16:32 -0700379 Settings.Global.WIFI_SCAN_BACKGROUND_THROTTLE_INTERVAL_MS,
380 Settings.Global.WIFI_SCAN_BACKGROUND_THROTTLE_PACKAGE_WHITELIST,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000381 Settings.Global.WIFI_SCAN_INTERVAL_WHEN_P2P_CONNECTED_MS,
382 Settings.Global.WIFI_SLEEP_POLICY,
383 Settings.Global.WIFI_SUPPLICANT_SCAN_INTERVAL_MS,
384 Settings.Global.WIFI_SUSPEND_OPTIMIZATIONS_ENABLED,
385 Settings.Global.WIFI_VERBOSE_LOGGING_ENABLED,
Bryan Mawhinney20924842017-05-11 12:50:14 +0100386 Settings.Global.WIFI_WAKEUP_AVAILABLE,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000387 Settings.Global.WIFI_WATCHDOG_ON,
388 Settings.Global.WIMAX_NETWORKS_AVAILABLE_NOTIFICATION_ON,
389 Settings.Global.WINDOW_ANIMATION_SCALE,
390 Settings.Global.WIRELESS_CHARGING_STARTED_SOUND,
391 Settings.Global.WTF_IS_FATAL,
392 Settings.Global.ZEN_MODE,
393 Settings.Global.ZEN_MODE_CONFIG_ETAG,
394 Settings.Global.ZEN_MODE_RINGER_LEVEL);
395
396 private static final Set<String> BACKUP_BLACKLISTED_SECURE_SETTINGS =
397 newHashSet(
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000398 Settings.Secure.ACCESSIBILITY_SOFT_KEYBOARD_MODE,
399 Settings.Secure.ALLOWED_GEOLOCATION_ORIGINS,
400 Settings.Secure.ALWAYS_ON_VPN_APP,
401 Settings.Secure.ALWAYS_ON_VPN_LOCKDOWN,
402 Settings.Secure.ANDROID_ID,
403 Settings.Secure.ANR_SHOW_BACKGROUND,
404 Settings.Secure.ASSISTANT,
405 Settings.Secure.ASSIST_DISCLOSURE_ENABLED,
406 Settings.Secure.ASSIST_SCREENSHOT_ENABLED,
407 Settings.Secure.ASSIST_STRUCTURE_ENABLED,
Philip P. Moltmanne287a152017-05-04 11:07:05 -0700408 Settings.Secure.AUTOFILL_SERVICE_SEARCH_URI,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000409 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_BYTES_CLEARED,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000410 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_ENABLED,
411 Settings.Secure.AUTOMATIC_STORAGE_MANAGER_LAST_RUN,
412 Settings.Secure.BACKUP_AUTO_RESTORE,
413 Settings.Secure.BACKUP_ENABLED,
414 Settings.Secure.BACKUP_PROVISIONED,
415 Settings.Secure.BACKUP_TRANSPORT,
Michal Karpinski72dfff92017-04-27 11:19:04 +0100416 Settings.Secure.CAMERA_LIFT_TRIGGER_ENABLED, // Candidate for backup?
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000417 Settings.Secure.CARRIER_APPS_HANDLED,
Jack Yu39028572017-02-23 09:49:25 -0800418 Settings.Secure.CMAS_ADDITIONAL_BROADCAST_PKG,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000419 Settings.Secure.COMPLETED_CATEGORY_PREFIX,
420 Settings.Secure.CONNECTIVITY_RELEASE_PENDING_INTENT_DELAY_MS,
421 Settings.Secure.DEFAULT_INPUT_METHOD,
422 Settings.Secure.DEMO_USER_SETUP_COMPLETE,
423 Settings.Secure.DEVICE_PAIRED,
424 Settings.Secure.DIALER_DEFAULT_APPLICATION,
425 Settings.Secure.DISABLED_PRINT_SERVICES,
426 Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS,
427 Settings.Secure.DISPLAY_DENSITY_FORCED,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000428 Settings.Secure.DOZE_ALWAYS_ON,
429 Settings.Secure.EMERGENCY_ASSISTANCE_APPLICATION,
430 Settings.Secure.ENABLED_NOTIFICATION_ASSISTANT,
431 Settings.Secure.ENABLED_NOTIFICATION_POLICY_ACCESS_PACKAGES,
432 Settings.Secure.ENABLED_PRINT_SERVICES,
433 Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS,
434 Settings.Secure.INCALL_BACK_BUTTON_BEHAVIOR,
435 Settings.Secure.INPUT_METHOD_SELECTOR_VISIBILITY,
436 Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY,
437 Settings.Secure.INSTALL_NON_MARKET_APPS,
438 Settings.Secure.LAST_SETUP_SHOWN,
439 Settings.Secure.LOCATION_MODE,
440 Settings.Secure.LOCATION_PREVIOUS_MODE,
441 Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, // Candidate?
442 Settings.Secure.LOCK_SCREEN_ALLOW_REMOTE_INPUT, // Candidate?
443 Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT,
444 Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS, // Candidate?
445 Settings.Secure.LOCK_TO_APP_EXIT_LOCKED,
446 Settings.Secure.MANAGED_PROFILE_CONTACT_REMOTE_SEARCH,
447 Settings.Secure.MULTI_PRESS_TIMEOUT,
448 Settings.Secure.NFC_PAYMENT_FOREGROUND,
Bryan Mawhinney2c5f95a2017-02-21 10:58:23 +0000449 Settings.Secure.OVERVIEW_LAST_STACK_ACTIVE_TIME,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000450 Settings.Secure.PACKAGE_VERIFIER_STATE,
451 Settings.Secure.PACKAGE_VERIFIER_USER_CONSENT,
452 Settings.Secure.PARENTAL_CONTROL_LAST_UPDATE,
453 Settings.Secure.PAYMENT_SERVICE_SEARCH_URI,
454 Settings.Secure.PRINT_SERVICE_SEARCH_URI,
455 Settings.Secure.SCREENSAVER_ACTIVATE_ON_DOCK, // Candidate?
456 Settings.Secure.SCREENSAVER_ACTIVATE_ON_SLEEP, // Candidate?
457 Settings.Secure.SCREENSAVER_COMPONENTS,
458 Settings.Secure.SCREENSAVER_DEFAULT_COMPONENT, // Candidate?
459 Settings.Secure.SCREENSAVER_ENABLED, // Candidate?
460 Settings.Secure.SEARCH_GLOBAL_SEARCH_ACTIVITY,
461 Settings.Secure.SEARCH_MAX_RESULTS_PER_SOURCE,
462 Settings.Secure.SEARCH_MAX_RESULTS_TO_DISPLAY,
463 Settings.Secure.SEARCH_MAX_SHORTCUTS_RETURNED,
464 Settings.Secure.SEARCH_MAX_SOURCE_EVENT_AGE_MILLIS,
465 Settings.Secure.SEARCH_MAX_STAT_AGE_MILLIS,
466 Settings.Secure.SEARCH_MIN_CLICKS_FOR_SOURCE_RANKING,
467 Settings.Secure.SEARCH_MIN_IMPRESSIONS_FOR_SOURCE_RANKING,
468 Settings.Secure.SEARCH_NUM_PROMOTED_SOURCES,
469 Settings.Secure.SEARCH_PER_SOURCE_CONCURRENT_QUERY_LIMIT,
470 Settings.Secure.SEARCH_PREFILL_MILLIS,
471 Settings.Secure.SEARCH_PROMOTED_SOURCE_DEADLINE_MILLIS,
472 Settings.Secure.SEARCH_QUERY_THREAD_CORE_POOL_SIZE,
473 Settings.Secure.SEARCH_QUERY_THREAD_MAX_POOL_SIZE,
474 Settings.Secure.SEARCH_SHORTCUT_REFRESH_CORE_POOL_SIZE,
475 Settings.Secure.SEARCH_SHORTCUT_REFRESH_MAX_POOL_SIZE,
476 Settings.Secure.SEARCH_SOURCE_TIMEOUT_MILLIS,
477 Settings.Secure.SEARCH_THREAD_KEEPALIVE_SECONDS,
478 Settings.Secure.SEARCH_WEB_RESULTS_OVERRIDE_LIMIT,
479 Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE,
480 Settings.Secure.SETTINGS_CLASSNAME,
481 Settings.Secure.SHOW_NOTE_ABOUT_NOTIFICATION_HIDING, // candidate?
482 Settings.Secure.SKIP_FIRST_USE_HINTS, // candidate?
483 Settings.Secure.SMS_DEFAULT_APPLICATION,
484 Settings.Secure.TRUST_AGENTS_INITIALIZED,
485 Settings.Secure.TV_INPUT_CUSTOM_LABELS,
486 Settings.Secure.TV_INPUT_HIDDEN_INPUTS,
487 Settings.Secure.UI_NIGHT_MODE, // candidate?
Suprabh Shukla0b1356f2017-02-21 14:33:50 -0800488 Settings.Secure.UNKNOWN_SOURCES_DEFAULT_REVERSED,
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000489 Settings.Secure.UNSAFE_VOLUME_MUSIC_ACTIVE_MS,
490 Settings.Secure.USB_AUDIO_AUTOMATIC_ROUTING_DISABLED,
491 Settings.Secure.USER_SETUP_COMPLETE,
492 Settings.Secure.VOICE_INTERACTION_SERVICE,
493 Settings.Secure.VOICE_RECOGNITION_SERVICE,
Jesse Evansfc1bfc42017-04-07 16:11:26 -0700494 Settings.Secure.INSTANT_APPS_ENABLED);
Bryan Mawhinney87b1aac2017-01-16 18:06:07 +0000495
496 @Test
497 public void systemSettingsBackedUpOrBlacklisted() {
498 checkSettingsBackedUpOrBlacklisted(
499 getCandidateSettings(Settings.System.class),
500 newHashSet(Settings.System.SETTINGS_TO_BACKUP),
501 BACKUP_BLACKLISTED_SYSTEM_SETTINGS);
502 }
503
504 @Test
505 public void globalSettingsBackedUpOrBlacklisted() {
506 checkSettingsBackedUpOrBlacklisted(
507 getCandidateSettings(Settings.Global.class),
508 newHashSet(Settings.Global.SETTINGS_TO_BACKUP),
509 BACKUP_BLACKLISTED_GLOBAL_SETTINGS);
510 }
511
512 @Test
513 public void secureSettingsBackedUpOrBlacklisted() {
514 checkSettingsBackedUpOrBlacklisted(
515 getCandidateSettings(Settings.Secure.class),
516 newHashSet(Settings.Secure.SETTINGS_TO_BACKUP),
517 BACKUP_BLACKLISTED_SECURE_SETTINGS);
518 }
519
520 private static void checkSettingsBackedUpOrBlacklisted(
521 Set<String> settings, Set<String> settingsToBackup, Set<String> blacklist) {
522 Set<String> settingsNotBackedUp = difference(settings, settingsToBackup);
523 Set<String> settingsNotBackedUpOrBlacklisted = difference(settingsNotBackedUp, blacklist);
524 assertThat(
525 "Settings not backed up or blacklisted",
526 settingsNotBackedUpOrBlacklisted,
527 is(empty()));
528
529 assertThat(
530 "blacklisted settings backed up",
531 intersect(settingsToBackup, blacklist),
532 is(empty()));
533 }
534
535 private static Set<String> getCandidateSettings(Class<? extends Settings.NameValueTable> clazz) {
536 HashSet<String> result = new HashSet<String>();
537 for (Field field : clazz.getDeclaredFields()) {
538 if (looksLikeValidSetting(field)) {
539 try {
540 result.add((String) field.get(null));
541 } catch (IllegalAccessException e) {
542 // Impossible for public fields
543 throw new RuntimeException(e);
544 }
545 }
546 }
547 return result;
548 }
549
550 private static boolean looksLikeValidSetting(Field field) {
551 int modifiers = field.getModifiers();
552 return isPublic(modifiers)
553 && isStatic(modifiers)
554 && isFinal(modifiers)
555 && field.getType() == String.class
556 && field.getAnnotation(Deprecated.class) == null;
557 }
558
559 private static <T> Set<T> difference(Set<T> s1, Set<T> s2) {
560 HashSet<T> result = new HashSet<T>(s1);
561 result.removeAll(s2);
562 return result;
563 }
564
565 private static <T> Set<T> intersect(Set<T> s1, Set<T> s2) {
566 HashSet<T> result = new HashSet<T>(s1);
567 result.retainAll(s2);
568 return result;
569 }
570
571}