src/com/android/settings/DeviceInfoSettings.java

   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_SECURITY_PATCH = "security_patch";
  78     private static final String KEY_UPDATE_SETTING = "additional_system_update_settings";
  79     private static final String KEY_EQUIPMENT_ID = "fcc_equipment_id";
  80     private static final String PROPERTY_EQUIPMENT_ID = "ro.ril.fccid";
  81     private static final String KEY_DEVICE_FEEDBACK = "device_feedback";
  82     private static final String KEY_SAFETY_LEGAL = "safetylegal";
  83
  84     static final int TAPS_TO_BE_A_DEVELOPER = 7;
  85
  86     long[] mHits = new long[3];
  87     int mDevHitCountdown;
  88     Toast mDevHitToast;
  89
  90     @Override
  91     public void onCreate(Bundle icicle) {
  92         super.onCreate(icicle);
  93
  94         addPreferencesFromResource(R.xml.device_info_settings);
  95
  96         setStringSummary(KEY_FIRMWARE_VERSION, Build.VERSION.RELEASE);
  97         findPreference(KEY_FIRMWARE_VERSION).setEnabled(true);
  98         String patch = Build.VERSION.SECURITY_PATCH;
  99         if (!"".equals(patch)) {
 100             setStringSummary(KEY_SECURITY_PATCH, patch);
 101         } else {
 102             getPreferenceScreen().removePreference(findPreference(KEY_SECURITY_PATCH));
 103
 104         }
 105         setValueSummary(KEY_BASEBAND_VERSION, "gsm.version.baseband");
 106         setStringSummary(KEY_DEVICE_MODEL, Build.MODEL + getMsvSuffix());
 107         setValueSummary(KEY_EQUIPMENT_ID, PROPERTY_EQUIPMENT_ID);
 108         setStringSummary(KEY_DEVICE_MODEL, Build.MODEL);
 109         setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY);
 110         findPreference(KEY_BUILD_NUMBER).setEnabled(true);
 111         findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion());
 112
 113         if (!SELinux.isSELinuxEnabled()) {
 114             String status = getResources().getString(R.string.selinux_status_disabled);
 115             setStringSummary(KEY_SELINUX_STATUS, status);
 116         } else if (!SELinux.isSELinuxEnforced()) {
 117             String status = getResources().getString(R.string.selinux_status_permissive);
 118             setStringSummary(KEY_SELINUX_STATUS, status);
 119         }
 120
 121         // Remove selinux information if property is not present
 122         removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SELINUX_STATUS,
 123                 PROPERTY_SELINUX_STATUS);
 124
 125         // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set
 126         removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SAFETY_LEGAL,
 127                 PROPERTY_URL_SAFETYLEGAL);
 128
 129         // Remove Equipment id preference if FCC ID is not set by RIL
 130         removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_EQUIPMENT_ID,
 131                 PROPERTY_EQUIPMENT_ID);
 132
 133         // Remove Baseband version if wifi-only device
 134         if (Utils.isWifiOnly(getActivity())) {
 135             getPreferenceScreen().removePreference(findPreference(KEY_BASEBAND_VERSION));
 136         }
 137
 138         // Dont show feedback option if there is no reporter.
 139         if (TextUtils.isEmpty(getFeedbackReporterPackage(getActivity()))) {
 140             getPreferenceScreen().removePreference(findPreference(KEY_DEVICE_FEEDBACK));
 141         }
 142
 143         /*
 144          * Settings is a generic app and should not contain any device-specific
 145          * info.
 146          */
 147         final Activity act = getActivity();
 148         // These are contained in the "container" preference group
 149         PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER);
 150         Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TERMS,
 151                 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 152         Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_LICENSE,
 153                 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 154         Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_COPYRIGHT,
 155                 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 156         Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_WEBVIEW_LICENSE,
 157                 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 158
 159         // These are contained by the root preference screen
 160         parentPreference = getPreferenceScreen();
 161         if (UserHandle.myUserId() == UserHandle.USER_OWNER) {
 162             Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference,
 163                     KEY_SYSTEM_UPDATE_SETTINGS,
 164                     Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 165         } else {
 166             // Remove for secondary users
 167             removePreference(KEY_SYSTEM_UPDATE_SETTINGS);
 168         }
 169
 170         // Read platform settings for additional system update setting
 171         removePreferenceIfBoolFalse(KEY_UPDATE_SETTING,
 172                 R.bool.config_additional_system_update_setting_enable);
 173
 174         // Remove regulatory information if none present.
 175         final Intent intent = new Intent(Settings.ACTION_SHOW_REGULATORY_INFO);
 176         if (getPackageManager().queryIntentActivities(intent, 0).isEmpty()) {
 177             Preference pref = findPreference(KEY_REGULATORY_INFO);
 178             if (pref != null) {
 179                 getPreferenceScreen().removePreference(pref);
 180             }
 181         }
 182     }
 183
 184     @Override
 185     public void onResume() {
 186         super.onResume();
 187         mDevHitCountdown = getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE,
 188                 Context.MODE_PRIVATE).getBoolean(DevelopmentSettings.PREF_SHOW,
 189                         android.os.Build.TYPE.equals("eng")) ? -1 : TAPS_TO_BE_A_DEVELOPER;
 190         mDevHitToast = null;
 191     }
 192
 193     @Override
 194     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
 195         if (preference.getKey().equals(KEY_FIRMWARE_VERSION)) {
 196             System.arraycopy(mHits, 1, mHits, 0, mHits.length-1);
 197             mHits[mHits.length-1] = SystemClock.uptimeMillis();
 198             if (mHits[0] >= (SystemClock.uptimeMillis()-500)) {
 199                 Intent intent = new Intent(Intent.ACTION_MAIN);
 200                 intent.setClassName("android",
 201                         com.android.internal.app.PlatLogoActivity.class.getName());
 202                 try {
 203                     startActivity(intent);
 204                 } catch (Exception e) {
 205                     Log.e(LOG_TAG, "Unable to start activity " + intent.toString());
 206                 }
 207             }
 208         } else if (preference.getKey().equals(KEY_BUILD_NUMBER)) {
 209             // Don't enable developer options for secondary users.
 210             if (UserHandle.myUserId() != UserHandle.USER_OWNER) return true;
 211
 212             final UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
 213             if (um.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES)) return true;
 214
 215             if (mDevHitCountdown > 0) {
 216                 mDevHitCountdown--;
 217                 if (mDevHitCountdown == 0) {
 218                     getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE,
 219                             Context.MODE_PRIVATE).edit().putBoolean(
 220                                     DevelopmentSettings.PREF_SHOW, true).apply();
 221                     if (mDevHitToast != null) {
 222                         mDevHitToast.cancel();
 223                     }
 224                     mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_on,
 225                             Toast.LENGTH_LONG);
 226                     mDevHitToast.show();
 227                     // This is good time to index the Developer Options
 228                     Index.getInstance(
 229                             getActivity().getApplicationContext()).updateFromClassNameResource(
 230                                     DevelopmentSettings.class.getName(), true, true);
 231
 232                 } else if (mDevHitCountdown > 0
 233                         && mDevHitCountdown < (TAPS_TO_BE_A_DEVELOPER-2)) {
 234                     if (mDevHitToast != null) {
 235                         mDevHitToast.cancel();
 236                     }
 237                     mDevHitToast = Toast.makeText(getActivity(), getResources().getQuantityString(
 238                             R.plurals.show_dev_countdown, mDevHitCountdown, mDevHitCountdown),
 239                             Toast.LENGTH_SHORT);
 240                     mDevHitToast.show();
 241                 }
 242             } else if (mDevHitCountdown < 0) {
 243                 if (mDevHitToast != null) {
 244                     mDevHitToast.cancel();
 245                 }
 246                 mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_already,
 247                         Toast.LENGTH_LONG);
 248                 mDevHitToast.show();
 249             }
 250         } else if (preference.getKey().equals(KEY_DEVICE_FEEDBACK)) {
 251             sendFeedback();
 252         }
 253         return super.onPreferenceTreeClick(preferenceScreen, preference);
 254     }
 255
 256     private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup,
 257             String preference, String property ) {
 258         if (SystemProperties.get(property).equals("")) {
 259             // Property is missing so remove preference from group
 260             try {
 261                 preferenceGroup.removePreference(findPreference(preference));
 262             } catch (RuntimeException e) {
 263                 Log.d(LOG_TAG, "Property '" + property + "' missing and no '"
 264                         + preference + "' preference");
 265             }
 266         }
 267     }
 268
 269     private void removePreferenceIfBoolFalse(String preference, int resId) {
 270         if (!getResources().getBoolean(resId)) {
 271             Preference pref = findPreference(preference);
 272             if (pref != null) {
 273                 getPreferenceScreen().removePreference(pref);
 274             }
 275         }
 276     }
 277
 278     private void setStringSummary(String preference, String value) {
 279         try {
 280             findPreference(preference).setSummary(value);
 281         } catch (RuntimeException e) {
 282             findPreference(preference).setSummary(
 283                 getResources().getString(R.string.device_info_default));
 284         }
 285     }
 286
 287     private void setValueSummary(String preference, String property) {
 288         try {
 289             findPreference(preference).setSummary(
 290                     SystemProperties.get(property,
 291                             getResources().getString(R.string.device_info_default)));
 292         } catch (RuntimeException e) {
 293             // No recovery
 294         }
 295     }
 296
 297     private void sendFeedback() {
 298         String reporterPackage = getFeedbackReporterPackage(getActivity());
 299         if (TextUtils.isEmpty(reporterPackage)) {
 300             return;
 301         }
 302         Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
 303         intent.setPackage(reporterPackage);
 304         startActivityForResult(intent, 0);
 305     }
 306
 307     /**
 308      * Reads a line from the specified file.
 309      * @param filename the file to read from
 310      * @return the first line, if any.
 311      * @throws IOException if the file couldn't be read
 312      */
 313     private static String readLine(String filename) throws IOException {
 314         BufferedReader reader = new BufferedReader(new FileReader(filename), 256);
 315         try {
 316             return reader.readLine();
 317         } finally {
 318             reader.close();
 319         }
 320     }
 321
 322     public static String getFormattedKernelVersion() {
 323         try {
 324             return formatKernelVersion(readLine(FILENAME_PROC_VERSION));
 325
 326         } catch (IOException e) {
 327             Log.e(LOG_TAG,
 328                 "IO Exception when getting kernel version for Device Info screen",
 329                 e);
 330
 331             return "Unavailable";
 332         }
 333     }
 334
 335     public static String formatKernelVersion(String rawKernelVersion) {
 336         // Example (see tests for more):
 337         // Linux version 3.0.31-g6fb96c9 (android-build@xxx.xxx.xxx.xxx.com) \
 338         //     (gcc version 4.6.x-xxx 20120106 (prerelease) (GCC) ) #1 SMP PREEMPT \
 339         //     Thu Jun 28 11:02:39 PDT 2012
 340
 341         final String PROC_VERSION_REGEX =
 342             "Linux version (\\S+) " + /* group 1: "3.0.31-g6fb96c9" */
 343             "\\((\\S+?)\\) " +        /* group 2: "x@y.com" (kernel builder) */
 344             "(?:\\(gcc.+? \\)) " +    /* ignore: GCC version information */
 345             "(#\\d+) " +              /* group 3: "#1" */
 346             "(?:.*?)?" +              /* ignore: optional SMP, PREEMPT, and any CONFIG_FLAGS */
 347             "((Sun|Mon|Tue|Wed|Thu|Fri|Sat).+)"; /* group 4: "Thu Jun 28 11:02:39 PDT 2012" */
 348
 349         Matcher m = Pattern.compile(PROC_VERSION_REGEX).matcher(rawKernelVersion);
 350         if (!m.matches()) {
 351             Log.e(LOG_TAG, "Regex did not match on /proc/version: " + rawKernelVersion);
 352             return "Unavailable";
 353         } else if (m.groupCount() < 4) {
 354             Log.e(LOG_TAG, "Regex match on /proc/version only returned " + m.groupCount()
 355                     + " groups");
 356             return "Unavailable";
 357         }
 358         return m.group(1) + "\n" +                 // 3.0.31-g6fb96c9
 359             m.group(2) + " " + m.group(3) + "\n" + // x@y.com #1
 360             m.group(4);                            // Thu Jun 28 11:02:39 PDT 2012
 361     }
 362
 363     /**
 364      * Returns " (ENGINEERING)" if the msv file has a zero value, else returns "".
 365      * @return a string to append to the model number description.
 366      */
 367     private String getMsvSuffix() {
 368         // Production devices should have a non-zero value. If we can't read it, assume it's a
 369         // production device so that we don't accidentally show that it's an ENGINEERING device.
 370         try {
 371             String msv = readLine(FILENAME_MSV);
 372             // Parse as a hex number. If it evaluates to a zero, then it's an engineering build.
 373             if (Long.parseLong(msv, 16) == 0) {
 374                 return " (ENGINEERING)";
 375             }
 376         } catch (IOException ioe) {
 377             // Fail quietly, as the file may not exist on some devices.
 378         } catch (NumberFormatException nfe) {
 379             // Fail quietly, returning empty string should be sufficient
 380         }
 381         return "";
 382     }
 383
 384     private static String getFeedbackReporterPackage(Context context) {
 385         final String feedbackReporter =
 386                 context.getResources().getString(R.string.oem_preferred_feedback_reporter);
 387         if (TextUtils.isEmpty(feedbackReporter)) {
 388             // Reporter not configured. Return.
 389             return feedbackReporter;
 390         }
 391         // Additional checks to ensure the reporter is on system image, and reporter is
 392         // configured to listen to the intent. Otherwise, dont show the "send feedback" option.
 393         final Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
 394
 395         PackageManager pm = context.getPackageManager();
 396         List<ResolveInfo> resolvedPackages =
 397                 pm.queryIntentActivities(intent, PackageManager.GET_RESOLVED_FILTER);
 398         for (ResolveInfo info : resolvedPackages) {
 399             if (info.activityInfo != null) {
 400                 if (!TextUtils.isEmpty(info.activityInfo.packageName)) {
 401                     try {
 402                         ApplicationInfo ai = pm.getApplicationInfo(info.activityInfo.packageName, 0);
 403                         if ((ai.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
 404                             // Package is on the system image
 405                             if (TextUtils.equals(
 406                                         info.activityInfo.packageName, feedbackReporter)) {
 407                                 return feedbackReporter;
 408                             }
 409                         }
 410                     } catch (PackageManager.NameNotFoundException e) {
 411                          // No need to do anything here.
 412                     }
 413                 }
 414             }
 415         }
 416         return null;
 417     }
 418
 419     /**
 420      * For Search.
 421      */
 422     public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
 423         new BaseSearchIndexProvider() {
 424
 425             @Override
 426             public List<SearchIndexableResource> getXmlResourcesToIndex(
 427                     Context context, boolean enabled) {
 428                 final SearchIndexableResource sir = new SearchIndexableResource(context);
 429                 sir.xmlResId = R.xml.device_info_settings;
 430                 return Arrays.asList(sir);
 431             }
 432
 433             @Override
 434             public List<String> getNonIndexableKeys(Context context) {
 435                 final List<String> keys = new ArrayList<String>();
 436                 if (isPropertyMissing(PROPERTY_SELINUX_STATUS)) {
 437                     keys.add(KEY_SELINUX_STATUS);
 438                 }
 439                 if (isPropertyMissing(PROPERTY_URL_SAFETYLEGAL)) {
 440                     keys.add(KEY_SAFETY_LEGAL);
 441                 }
 442                 if (isPropertyMissing(PROPERTY_EQUIPMENT_ID)) {
 443                     keys.add(KEY_EQUIPMENT_ID);
 444                 }
 445                 // Remove Baseband version if wifi-only device
 446                 if (Utils.isWifiOnly(context)) {
 447                     keys.add((KEY_BASEBAND_VERSION));
 448                 }
 449                 // Dont show feedback option if there is no reporter.
 450                 if (TextUtils.isEmpty(getFeedbackReporterPackage(context))) {
 451                     keys.add(KEY_DEVICE_FEEDBACK);
 452                 }
 453                 if (!checkIntentAction(context, "android.settings.TERMS")) {
 454                     keys.add(KEY_TERMS);
 455                 }
 456                 if (!checkIntentAction(context, "android.settings.LICENSE")) {
 457                     keys.add(KEY_LICENSE);
 458                 }
 459                 if (!checkIntentAction(context, "android.settings.COPYRIGHT")) {
 460                     keys.add(KEY_COPYRIGHT);
 461                 }
 462                 if (!checkIntentAction(context, "android.settings.WEBVIEW_LICENSE")) {
 463                     keys.add(KEY_WEBVIEW_LICENSE);
 464                 }
 465                 if (UserHandle.myUserId() != UserHandle.USER_OWNER) {
 466                     keys.add(KEY_SYSTEM_UPDATE_SETTINGS);
 467                 }
 468                 if (!context.getResources().getBoolean(
 469                         R.bool.config_additional_system_update_setting_enable)) {
 470                     keys.add(KEY_UPDATE_SETTING);
 471                 }
 472                 return keys;
 473             }
 474
 475             private boolean isPropertyMissing(String property) {
 476                 return SystemProperties.get(property).equals("");
 477             }
 478
 479             private boolean checkIntentAction(Context context, String action) {
 480                 final Intent intent = new Intent(action);
 481
 482                 // Find the activity that is in the system image
 483                 final PackageManager pm = context.getPackageManager();
 484                 final List<ResolveInfo> list = pm.queryIntentActivities(intent, 0);
 485                 final int listSize = list.size();
 486
 487                 for (int i = 0; i < listSize; i++) {
 488                     ResolveInfo resolveInfo = list.get(i);
 489                     if ((resolveInfo.activityInfo.applicationInfo.flags &
 490                             ApplicationInfo.FLAG_SYSTEM) != 0) {
 491                         return true;
 492                     }
 493                 }
 494
 495                 return false;
 496             }
 497         };
 498
 499 }
 500