1 /* 2 * Copyright (C) 2008 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 com.android.settings; 18 19 import android.app.Activity; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.ApplicationInfo; 23 import android.content.pm.PackageManager; 24 import android.content.pm.ResolveInfo; 25 import android.os.Binder; 26 import android.os.Build; 27 import android.os.Bundle; 28 import android.os.Parcel; 29 import android.os.RemoteException; 30 import android.os.SELinux; 31 import android.os.SystemClock; 32 import android.os.SystemProperties; 33 import android.os.UserHandle; 34 import android.os.UserManager; 35 import android.preference.Preference; 36 import android.preference.PreferenceGroup; 37 import android.preference.PreferenceScreen; 38 import android.provider.SearchIndexableResource; 39 import android.provider.Settings; 40 import android.text.TextUtils; 41 import android.util.Log; 42 import android.widget.Toast; 43 import com.android.settings.search.BaseSearchIndexProvider; 44 import com.android.settings.search.Index; 45 import com.android.settings.search.Indexable; 46 47 import java.io.BufferedReader; 48 import java.io.FileReader; 49 import java.io.IOException; 50 import java.util.ArrayList; 51 import java.util.Arrays; 52 import java.util.List; 53 import java.util.regex.Matcher; 54 import java.util.regex.Pattern; 55 56 public class DeviceInfoSettings extends SettingsPreferenceFragment implements Indexable { 57 58 private static final String LOG_TAG = "DeviceInfoSettings"; 59 private static final String FILENAME_PROC_VERSION = "/proc/version"; 60 private static final String FILENAME_MSV = "/sys/board_properties/soc/msv"; 61 62 private static final String KEY_CONTAINER = "container"; 63 private static final String KEY_REGULATORY_INFO = "regulatory_info"; 64 private static final String KEY_TERMS = "terms"; 65 private static final String KEY_LICENSE = "license"; 66 private static final String KEY_COPYRIGHT = "copyright"; 67 private static final String KEY_WEBVIEW_LICENSE = "webview_license"; 68 private static final String KEY_SYSTEM_UPDATE_SETTINGS = "system_update_settings"; 69 private static final String PROPERTY_URL_SAFETYLEGAL = "ro.url.safetylegal"; 70 private static final String PROPERTY_SELINUX_STATUS = "ro.build.selinux"; 71 private static final String KEY_KERNEL_VERSION = "kernel_version"; 72 private static final String KEY_BUILD_NUMBER = "build_number"; 73 private static final String KEY_DEVICE_MODEL = "device_model"; 74 private static final String KEY_SELINUX_STATUS = "selinux_status"; 75 private static final String KEY_BASEBAND_VERSION = "baseband_version"; 76 private static final String KEY_FIRMWARE_VERSION = "firmware_version"; 77 private static final String KEY_UPDATE_SETTING = "additional_system_update_settings"; 78 private static final String KEY_EQUIPMENT_ID = "fcc_equipment_id"; 79 private static final String PROPERTY_EQUIPMENT_ID = "ro.ril.fccid"; 80 private static final String KEY_DEVICE_FEEDBACK = "device_feedback"; 81 private static final String KEY_SAFETY_LEGAL = "safetylegal"; 82 83 static final int TAPS_TO_BE_A_DEVELOPER = 7; 84 85 long[] mHits = new long[3]; 86 int mDevHitCountdown; 87 Toast mDevHitToast; 88 89 @Override 90 public void onCreate(Bundle icicle) { 91 super.onCreate(icicle); 92 93 addPreferencesFromResource(R.xml.device_info_settings); 94 95 setStringSummary(KEY_FIRMWARE_VERSION, Build.VERSION.RELEASE); 96 findPreference(KEY_FIRMWARE_VERSION).setEnabled(true); 97 setValueSummary(KEY_BASEBAND_VERSION, "gsm.version.baseband"); 98 setStringSummary(KEY_DEVICE_MODEL, Build.MODEL + getMsvSuffix()); 99 setValueSummary(KEY_EQUIPMENT_ID, PROPERTY_EQUIPMENT_ID); 100 setStringSummary(KEY_DEVICE_MODEL, Build.MODEL); 101 setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY); 102 findPreference(KEY_BUILD_NUMBER).setEnabled(true); 103 findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion()); 104 105 if (!SELinux.isSELinuxEnabled()) { 106 String status = getResources().getString(R.string.selinux_status_disabled); 107 setStringSummary(KEY_SELINUX_STATUS, status); 108 } else if (!SELinux.isSELinuxEnforced()) { 109 String status = getResources().getString(R.string.selinux_status_permissive); 110 setStringSummary(KEY_SELINUX_STATUS, status); 111 } 112 113 // Remove selinux information if property is not present 114 removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SELINUX_STATUS, 115 PROPERTY_SELINUX_STATUS); 116 117 // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set 118 removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SAFETY_LEGAL, 119 PROPERTY_URL_SAFETYLEGAL); 120 121 // Remove Equipment id preference if FCC ID is not set by RIL 122 removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_EQUIPMENT_ID, 123 PROPERTY_EQUIPMENT_ID); 124 125 // Remove Baseband version if wifi-only device 126 if (Utils.isWifiOnly(getActivity())) { 127 getPreferenceScreen().removePreference(findPreference(KEY_BASEBAND_VERSION)); 128 } 129 130 // Dont show feedback option if there is no reporter. 131 if (TextUtils.isEmpty(getFeedbackReporterPackage(getActivity()))) { 132 getPreferenceScreen().removePreference(findPreference(KEY_DEVICE_FEEDBACK)); 133 } 134 135 /* 136 * Settings is a generic app and should not contain any device-specific 137 * info. 138 */ 139 final Activity act = getActivity(); 140 // These are contained in the "container" preference group 141 PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER); 142 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TERMS, 143 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 144 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_LICENSE, 145 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 146 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_COPYRIGHT, 147 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 148 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_WEBVIEW_LICENSE, 149 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 150 151 // These are contained by the root preference screen 152 parentPreference = getPreferenceScreen(); 153 if (UserHandle.myUserId() == UserHandle.USER_OWNER) { 154 Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, 155 KEY_SYSTEM_UPDATE_SETTINGS, 156 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); 157 } else { 158 // Remove for secondary users 159 removePreference(KEY_SYSTEM_UPDATE_SETTINGS); 160 } 161 162 // Read platform settings for additional system update setting 163 removePreferenceIfBoolFalse(KEY_UPDATE_SETTING, 164 R.bool.config_additional_system_update_setting_enable); 165 166 // Remove regulatory information if none present. 167 final Intent intent = new Intent(Settings.ACTION_SHOW_REGULATORY_INFO); 168 if (getPackageManager().queryIntentActivities(intent, 0).isEmpty()) { 169 Preference pref = findPreference(KEY_REGULATORY_INFO); 170 if (pref != null) { 171 getPreferenceScreen().removePreference(pref); 172 } 173 } 174 } 175 176 @Override 177 public void onResume() { 178 super.onResume(); 179 mDevHitCountdown = getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE, 180 Context.MODE_PRIVATE).getBoolean(DevelopmentSettings.PREF_SHOW, 181 android.os.Build.TYPE.equals("eng")) ? -1 : TAPS_TO_BE_A_DEVELOPER; 182 mDevHitToast = null; 183 } 184 185 @Override 186 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 187 if (preference.getKey().equals(KEY_FIRMWARE_VERSION)) { 188 System.arraycopy(mHits, 1, mHits, 0, mHits.length-1); 189 mHits[mHits.length-1] = SystemClock.uptimeMillis(); 190 if (mHits[0] >= (SystemClock.uptimeMillis()-500)) { 191 Intent intent = new Intent(Intent.ACTION_MAIN); 192 intent.setClassName("android", 193 com.android.internal.app.PlatLogoActivity.class.getName()); 194 try { 195 startActivity(intent); 196 } catch (Exception e) { 197 Log.e(LOG_TAG, "Unable to start activity " + intent.toString()); 198 } 199 } 200 } else if (preference.getKey().equals(KEY_BUILD_NUMBER)) { 201 // Don't enable developer options for secondary users. 202 if (UserHandle.myUserId() != UserHandle.USER_OWNER) return true; 203 204 final UserManager um = (UserManager) getSystemService(Context.USER_SERVICE); 205 if (um.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES)) return true; 206 207 if (mDevHitCountdown > 0) { 208 mDevHitCountdown--; 209 if (mDevHitCountdown == 0) { 210 getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE, 211 Context.MODE_PRIVATE).edit().putBoolean( 212 DevelopmentSettings.PREF_SHOW, true).apply(); 213 if (mDevHitToast != null) { 214 mDevHitToast.cancel(); 215 } 216 mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_on, 217 Toast.LENGTH_LONG); 218 mDevHitToast.show(); 219 // This is good time to index the Developer Options 220 Index.getInstance( 221 getActivity().getApplicationContext()).updateFromClassNameResource( 222 DevelopmentSettings.class.getName(), true, true); 223 224 } else if (mDevHitCountdown > 0 225 && mDevHitCountdown < (TAPS_TO_BE_A_DEVELOPER-2)) { 226 if (mDevHitToast != null) { 227 mDevHitToast.cancel(); 228 } 229 mDevHitToast = Toast.makeText(getActivity(), getResources().getQuantityString( 230 R.plurals.show_dev_countdown, mDevHitCountdown, mDevHitCountdown), 231 Toast.LENGTH_SHORT); 232 mDevHitToast.show(); 233 } 234 } else if (mDevHitCountdown < 0) { 235 if (mDevHitToast != null) { 236 mDevHitToast.cancel(); 237 } 238 mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_already, 239 Toast.LENGTH_LONG); 240 mDevHitToast.show(); 241 } 242 } else if (preference.getKey().equals(KEY_DEVICE_FEEDBACK)) { 243 sendFeedback(); 244 } 245 return super.onPreferenceTreeClick(preferenceScreen, preference); 246 } 247 248 private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup, 249 String preference, String property ) { 250 if (SystemProperties.get(property).equals("")) { 251 // Property is missing so remove preference from group 252 try { 253 preferenceGroup.removePreference(findPreference(preference)); 254 } catch (RuntimeException e) { 255 Log.d(LOG_TAG, "Property '" + property + "' missing and no '" 256 + preference + "' preference"); 257 } 258 } 259 } 260 261 private void removePreferenceIfBoolFalse(String preference, int resId) { 262 if (!getResources().getBoolean(resId)) { 263 Preference pref = findPreference(preference); 264 if (pref != null) { 265 getPreferenceScreen().removePreference(pref); 266 } 267 } 268 } 269 270 private void setStringSummary(String preference, String value) { 271 try { 272 findPreference(preference).setSummary(value); 273 } catch (RuntimeException e) { 274 findPreference(preference).setSummary( 275 getResources().getString(R.string.device_info_default)); 276 } 277 } 278 279 private void setValueSummary(String preference, String property) { 280 try { 281 findPreference(preference).setSummary( 282 SystemProperties.get(property, 283 getResources().getString(R.string.device_info_default))); 284 } catch (RuntimeException e) { 285 // No recovery 286 } 287 } 288 289 private void sendFeedback() { 290 String reporterPackage = getFeedbackReporterPackage(getActivity()); 291 if (TextUtils.isEmpty(reporterPackage)) { 292 return; 293 } 294 Intent intent = new Intent(Intent.ACTION_BUG_REPORT); 295 intent.setPackage(reporterPackage); 296 startActivityForResult(intent, 0); 297 } 298 299 /** 300 * Reads a line from the specified file. 301 * @param filename the file to read from 302 * @return the first line, if any. 303 * @throws IOException if the file couldn't be read 304 */ 305 private static String readLine(String filename) throws IOException { 306 BufferedReader reader = new BufferedReader(new FileReader(filename), 256); 307 try { 308 return reader.readLine(); 309 } finally { 310 reader.close(); 311 } 312 } 313 314 public static String getFormattedKernelVersion() { 315 try { 316 return formatKernelVersion(readLine(FILENAME_PROC_VERSION)); 317 318 } catch (IOException e) { 319 Log.e(LOG_TAG, 320 "IO Exception when getting kernel version for Device Info screen", 321 e); 322 323 return "Unavailable"; 324 } 325 } 326 327 public static String formatKernelVersion(String rawKernelVersion) { 328 // Example (see tests for more): 329 // Linux version 3.0.31-g6fb96c9 (android-build (at) xxx.xxx.xxx.xxx.com) \ 330 // (gcc version 4.6.x-xxx 20120106 (prerelease) (GCC) ) #1 SMP PREEMPT \ 331 // Thu Jun 28 11:02:39 PDT 2012 332 333 final String PROC_VERSION_REGEX = 334 "Linux version (\\S+) " + /* group 1: "3.0.31-g6fb96c9" */ 335 "\\((\\S+?)\\) " + /* group 2: "x (at) y.com" (kernel builder) */ 336 "(?:\\(gcc.+? \\)) " + /* ignore: GCC version information */ 337 "(#\\d+) " + /* group 3: "#1" */ 338 "(?:.*?)?" + /* ignore: optional SMP, PREEMPT, and any CONFIG_FLAGS */ 339 "((Sun|Mon|Tue|Wed|Thu|Fri|Sat).+)"; /* group 4: "Thu Jun 28 11:02:39 PDT 2012" */ 340 341 Matcher m = Pattern.compile(PROC_VERSION_REGEX).matcher(rawKernelVersion); 342 if (!m.matches()) { 343 Log.e(LOG_TAG, "Regex did not match on /proc/version: " + rawKernelVersion); 344 return "Unavailable"; 345 } else if (m.groupCount() < 4) { 346 Log.e(LOG_TAG, "Regex match on /proc/version only returned " + m.groupCount() 347 + " groups"); 348 return "Unavailable"; 349 } 350 return m.group(1) + "\n" + // 3.0.31-g6fb96c9 351 m.group(2) + " " + m.group(3) + "\n" + // x (at) y.com #1 352 m.group(4); // Thu Jun 28 11:02:39 PDT 2012 353 } 354 355 /** 356 * Returns " (ENGINEERING)" if the msv file has a zero value, else returns "". 357 * @return a string to append to the model number description. 358 */ 359 private String getMsvSuffix() { 360 // Production devices should have a non-zero value. If we can't read it, assume it's a 361 // production device so that we don't accidentally show that it's an ENGINEERING device. 362 try { 363 String msv = readLine(FILENAME_MSV); 364 // Parse as a hex number. If it evaluates to a zero, then it's an engineering build. 365 if (Long.parseLong(msv, 16) == 0) { 366 return " (ENGINEERING)"; 367 } 368 } catch (IOException ioe) { 369 // Fail quietly, as the file may not exist on some devices. 370 } catch (NumberFormatException nfe) { 371 // Fail quietly, returning empty string should be sufficient 372 } 373 return ""; 374 } 375 376 private static String getFeedbackReporterPackage(Context context) { 377 final String feedbackReporter = 378 context.getResources().getString(R.string.oem_preferred_feedback_reporter); 379 if (TextUtils.isEmpty(feedbackReporter)) { 380 // Reporter not configured. Return. 381 return feedbackReporter; 382 } 383 // Additional checks to ensure the reporter is on system image, and reporter is 384 // configured to listen to the intent. Otherwise, dont show the "send feedback" option. 385 final Intent intent = new Intent(Intent.ACTION_BUG_REPORT); 386 387 PackageManager pm = context.getPackageManager(); 388 List<ResolveInfo> resolvedPackages = 389 pm.queryIntentActivities(intent, PackageManager.GET_RESOLVED_FILTER); 390 for (ResolveInfo info : resolvedPackages) { 391 if (info.activityInfo != null) { 392 if (!TextUtils.isEmpty(info.activityInfo.packageName)) { 393 try { 394 ApplicationInfo ai = pm.getApplicationInfo(info.activityInfo.packageName, 0); 395 if ((ai.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 396 // Package is on the system image 397 if (TextUtils.equals( 398 info.activityInfo.packageName, feedbackReporter)) { 399 return feedbackReporter; 400 } 401 } 402 } catch (PackageManager.NameNotFoundException e) { 403 // No need to do anything here. 404 } 405 } 406 } 407 } 408 return null; 409 } 410 411 /** 412 * For Search. 413 */ 414 public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 415 new BaseSearchIndexProvider() { 416 417 @Override 418 public List<SearchIndexableResource> getXmlResourcesToIndex( 419 Context context, boolean enabled) { 420 final SearchIndexableResource sir = new SearchIndexableResource(context); 421 sir.xmlResId = R.xml.device_info_settings; 422 return Arrays.asList(sir); 423 } 424 425 @Override 426 public List<String> getNonIndexableKeys(Context context) { 427 final List<String> keys = new ArrayList<String>(); 428 if (isPropertyMissing(PROPERTY_SELINUX_STATUS)) { 429 keys.add(KEY_SELINUX_STATUS); 430 } 431 if (isPropertyMissing(PROPERTY_URL_SAFETYLEGAL)) { 432 keys.add(KEY_SAFETY_LEGAL); 433 } 434 if (isPropertyMissing(PROPERTY_EQUIPMENT_ID)) { 435 keys.add(KEY_EQUIPMENT_ID); 436 } 437 // Remove Baseband version if wifi-only device 438 if (Utils.isWifiOnly(context)) { 439 keys.add((KEY_BASEBAND_VERSION)); 440 } 441 // Dont show feedback option if there is no reporter. 442 if (TextUtils.isEmpty(getFeedbackReporterPackage(context))) { 443 keys.add(KEY_DEVICE_FEEDBACK); 444 } 445 if (!checkIntentAction(context, "android.settings.TERMS")) { 446 keys.add(KEY_TERMS); 447 } 448 if (!checkIntentAction(context, "android.settings.LICENSE")) { 449 keys.add(KEY_LICENSE); 450 } 451 if (!checkIntentAction(context, "android.settings.COPYRIGHT")) { 452 keys.add(KEY_COPYRIGHT); 453 } 454 if (!checkIntentAction(context, "android.settings.WEBVIEW_LICENSE")) { 455 keys.add(KEY_WEBVIEW_LICENSE); 456 } 457 if (UserHandle.myUserId() != UserHandle.USER_OWNER) { 458 keys.add(KEY_SYSTEM_UPDATE_SETTINGS); 459 } 460 if (!context.getResources().getBoolean( 461 R.bool.config_additional_system_update_setting_enable)) { 462 keys.add(KEY_UPDATE_SETTING); 463 } 464 return keys; 465 } 466 467 private boolean isPropertyMissing(String property) { 468 return SystemProperties.get(property).equals(""); 469 } 470 471 private boolean checkIntentAction(Context context, String action) { 472 final Intent intent = new Intent(action); 473 474 // Find the activity that is in the system image 475 final PackageManager pm = context.getPackageManager(); 476 final List<ResolveInfo> list = pm.queryIntentActivities(intent, 0); 477 final int listSize = list.size(); 478 479 for (int i = 0; i < listSize; i++) { 480 ResolveInfo resolveInfo = list.get(i); 481 if ((resolveInfo.activityInfo.applicationInfo.flags & 482 ApplicationInfo.FLAG_SYSTEM) != 0) { 483 return true; 484 } 485 } 486 487 return false; 488 } 489 }; 490 491 } 492 493
