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.opengl.GLES20;
  26 import android.os.Binder;
  27 import android.os.Build;
  28 import android.os.Bundle;
  29 import android.os.Parcel;
  30 import android.os.RemoteException;
  31 import android.os.SELinux;
  32 import android.os.SystemClock;
  33 import android.os.SystemProperties;
  34 import android.os.UserHandle;
  35 import android.os.UserManager;
  36 import android.preference.Preference;
  37 import android.preference.PreferenceGroup;
  38 import android.preference.PreferenceScreen;
  39 import android.provider.SearchIndexableResource;
  40 import android.provider.Settings;
  41 import android.text.TextUtils;
  42 import android.util.Log;
  43 import android.widget.Toast;
  44 import com.android.settings.search.BaseSearchIndexProvider;
  45 import com.android.settings.search.Index;
  46 import com.android.settings.search.Indexable;
  47
  48 import java.io.BufferedReader;
  49 import java.io.FileReader;
  50 import java.io.IOException;
  51 import java.util.ArrayList;
  52 import java.util.Arrays;
  53 import java.util.List;
  54 import java.util.regex.Matcher;
  55 import java.util.regex.Pattern;
  56
  57 public class DeviceInfoSettings extends SettingsPreferenceFragment implements Indexable {
  58
  59     private static final String LOG_TAG = "DeviceInfoSettings";
  60     private static final String FILENAME_PROC_VERSION = "/proc/version";
  61     private static final String FILENAME_MSV = "/sys/board_properties/soc/msv";
  62
  63     private static final String KEY_CONTAINER = "container";
  64     private static final String KEY_REGULATORY_INFO = "regulatory_info";
  65     private static final String KEY_TERMS = "terms";
  66     private static final String KEY_LICENSE = "license";
  67     private static final String KEY_COPYRIGHT = "copyright";
  68     private static final String KEY_WEBVIEW_LICENSE = "webview_license";
  69     private static final String KEY_SYSTEM_UPDATE_SETTINGS = "system_update_settings";
  70     private static final String PROPERTY_URL_SAFETYLEGAL = "ro.url.safetylegal";
  71     private static final String PROPERTY_SELINUX_STATUS = "ro.build.selinux";
  72     private static final String KEY_KERNEL_VERSION = "kernel_version";
  73     private static final String KEY_OPENGL_VERSION = "opengl_version";
  74     private static final String KEY_BUILD_NUMBER = "build_number";
  75     private static final String KEY_DEVICE_MODEL = "device_model";
  76     private static final String KEY_SELINUX_STATUS = "selinux_status";
  77     private static final String KEY_BASEBAND_VERSION = "baseband_version";
  78     private static final String KEY_FIRMWARE_VERSION = "firmware_version";
  79     private static final String KEY_SECURITY_PATCH = "security_patch";
  80     private static final String KEY_UPDATE_SETTING = "additional_system_update_settings";
  81     private static final String KEY_EQUIPMENT_ID = "fcc_equipment_id";
  82     private static final String PROPERTY_EQUIPMENT_ID = "ro.ril.fccid";
  83     private static final String KEY_DEVICE_FEEDBACK = "device_feedback";
  84     private static final String KEY_SAFETY_LEGAL = "safetylegal";
  85     private static final String KEY_DEVICE_MANUFACTURER = "device_manufacturer";
  86
  87     static final int TAPS_TO_BE_A_DEVELOPER = 7;
  88
  89     long[] mHits = new long[3];
  90     int mDevHitCountdown;
  91     Toast mDevHitToast;
  92
  93     @Override
  94     public void onCreate(Bundle icicle) {
  95         super.onCreate(icicle);
  96
  97         addPreferencesFromResource(R.xml.device_info_settings);
  98
  99         String opengl_version = "GL Vendor: " + GLES20.glGetString(GLES20.GL_VENDOR) + "\n" +
 100             "GL Renderer: " + GLES20.glGetString(GLES20.GL_RENDERER) + "\n" +
 101             "GL Version: " + GLES20.glGetString(GLES20.GL_VERSION);
 102
 103         setStringSummary(KEY_FIRMWARE_VERSION, Build.VERSION.RELEASE);
 104         findPreference(KEY_FIRMWARE_VERSION).setEnabled(true);
 105         String patch = Build.VERSION.SECURITY_PATCH;
 106         if (!"".equals(patch)) {
 107             setStringSummary(KEY_SECURITY_PATCH, patch);
 108         } else {
 109             getPreferenceScreen().removePreference(findPreference(KEY_SECURITY_PATCH));
 110
 111         }
 112         setValueSummary(KEY_BASEBAND_VERSION, "gsm.version.baseband");
 113         setStringSummary(KEY_DEVICE_MODEL, Build.MODEL + getMsvSuffix());
 114         setValueSummary(KEY_EQUIPMENT_ID, PROPERTY_EQUIPMENT_ID);
 115         setStringSummary(KEY_DEVICE_MODEL, Build.MODEL);
 116         setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY);
 117         findPreference(KEY_BUILD_NUMBER).setEnabled(true);
 118         findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion());
 119         findPreference(KEY_OPENGL_VERSION).setSummary(opengl_version);
 120         setStringSummary(KEY_DEVICE_MANUFACTURER, Build.MANUFACTURER);
 121
 122         if (!SELinux.isSELinuxEnabled()) {
 123             String status = getResources().getString(R.string.selinux_status_disabled);
 124             setStringSummary(KEY_SELINUX_STATUS, status);
 125         } else if (!SELinux.isSELinuxEnforced()) {
 126             String status = getResources().getString(R.string.selinux_status_permissive);
 127             setStringSummary(KEY_SELINUX_STATUS, status);
 128         }
 129
 130         // Remove selinux information if property is not present
 131         removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SELINUX_STATUS,
 132                 PROPERTY_SELINUX_STATUS);
 133
 134         // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set
 135         removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SAFETY_LEGAL,
 136                 PROPERTY_URL_SAFETYLEGAL);
 137
 138         // Remove Equipment id preference if FCC ID is not set by RIL
 139         removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_EQUIPMENT_ID,
 140                 PROPERTY_EQUIPMENT_ID);
 141
 142         // Remove Baseband version if wifi-only device
 143         if (Utils.isWifiOnly(getActivity())) {
 144             getPreferenceScreen().removePreference(findPreference(KEY_BASEBAND_VERSION));
 145         }
 146
 147         // Dont show feedback option if there is no reporter.
 148         if (TextUtils.isEmpty(getFeedbackReporterPackage(getActivity()))) {
 149             getPreferenceScreen().removePreference(findPreference(KEY_DEVICE_FEEDBACK));
 150         }
 151
 152         /*
 153          * Settings is a generic app and should not contain any device-specific
 154          * info.
 155          */
 156         final Activity act = getActivity();
 157         // These are contained in the "container" preference group
 158         PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER);
 159         Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TERMS,
 160                 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 161         Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_LICENSE,
 162                 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 163         Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_COPYRIGHT,
 164                 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 165         Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_WEBVIEW_LICENSE,
 166                 Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 167
 168         // These are contained by the root preference screen
 169         parentPreference = getPreferenceScreen();
 170         if (UserHandle.myUserId() == UserHandle.USER_OWNER) {
 171             Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference,
 172                     KEY_SYSTEM_UPDATE_SETTINGS,
 173                     Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY);
 174         } else {
 175             // Remove for secondary users
 176             removePreference(KEY_SYSTEM_UPDATE_SETTINGS);
 177         }
 178
 179         // Read platform settings for additional system update setting
 180         removePreferenceIfBoolFalse(KEY_UPDATE_SETTING,
 181                 R.bool.config_additional_system_update_setting_enable);
 182
 183         // Remove regulatory information if none present.
 184         final Intent intent = new Intent(Settings.ACTION_SHOW_REGULATORY_INFO);
 185         if (getPackageManager().queryIntentActivities(intent, 0).isEmpty()) {
 186             Preference pref = findPreference(KEY_REGULATORY_INFO);
 187             if (pref != null) {
 188                 getPreferenceScreen().removePreference(pref);
 189             }
 190         }
 191     }
 192
 193     @Override
 194     public void onResume() {
 195         super.onResume();
 196         mDevHitCountdown = getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE,
 197                 Context.MODE_PRIVATE).getBoolean(DevelopmentSettings.PREF_SHOW,
 198                         android.os.Build.TYPE.equals("eng")) ? -1 : TAPS_TO_BE_A_DEVELOPER;
 199         mDevHitToast = null;
 200     }
 201
 202     @Override
 203     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
 204         if (preference.getKey().equals(KEY_FIRMWARE_VERSION)) {
 205             System.arraycopy(mHits, 1, mHits, 0, mHits.length-1);
 206             mHits[mHits.length-1] = SystemClock.uptimeMillis();
 207             if (mHits[0] >= (SystemClock.uptimeMillis()-500)) {
 208                 Intent intent = new Intent(Intent.ACTION_MAIN);
 209                 intent.setClassName("android",
 210                         com.android.internal.app.PlatLogoActivity.class.getName());
 211                 try {
 212                     startActivity(intent);
 213                 } catch (Exception e) {
 214                     Log.e(LOG_TAG, "Unable to start activity " + intent.toString());
 215                 }
 216             }
 217         } else if (preference.getKey().equals(KEY_BUILD_NUMBER)) {
 218             // Don't enable developer options for secondary users.
 219             if (UserHandle.myUserId() != UserHandle.USER_OWNER) return true;
 220
 221             final UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
 222             if (um.hasUserRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES)) return true;
 223
 224             if (mDevHitCountdown > 0) {
 225                 mDevHitCountdown--;
 226                 if (mDevHitCountdown == 0) {
 227                     getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE,
 228                             Context.MODE_PRIVATE).edit().putBoolean(
 229                                     DevelopmentSettings.PREF_SHOW, true).apply();
 230                     if (mDevHitToast != null) {
 231                         mDevHitToast.cancel();
 232                     }
 233                     mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_on,
 234                             Toast.LENGTH_LONG);
 235                     mDevHitToast.show();
 236                     // This is good time to index the Developer Options
 237                     Index.getInstance(
 238                             getActivity().getApplicationContext()).updateFromClassNameResource(
 239                                     DevelopmentSettings.class.getName(), true, true);
 240
 241                 } else if (mDevHitCountdown > 0
 242                         && mDevHitCountdown < (TAPS_TO_BE_A_DEVELOPER-2)) {
 243                     if (mDevHitToast != null) {
 244                         mDevHitToast.cancel();
 245                     }
 246                     mDevHitToast = Toast.makeText(getActivity(), getResources().getQuantityString(
 247                             R.plurals.show_dev_countdown, mDevHitCountdown, mDevHitCountdown),
 248                             Toast.LENGTH_SHORT);
 249                     mDevHitToast.show();
 250                 }
 251             } else if (mDevHitCountdown < 0) {
 252                 if (mDevHitToast != null) {
 253                     mDevHitToast.cancel();
 254                 }
 255                 mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_already,
 256                         Toast.LENGTH_LONG);
 257                 mDevHitToast.show();
 258             }
 259         } else if (preference.getKey().equals(KEY_DEVICE_FEEDBACK)) {
 260             sendFeedback();
 261         }
 262         return super.onPreferenceTreeClick(preferenceScreen, preference);
 263     }
 264
 265     private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup,
 266             String preference, String property ) {
 267         if (SystemProperties.get(property).equals("")) {
 268             // Property is missing so remove preference from group
 269             try {
 270                 preferenceGroup.removePreference(findPreference(preference));
 271             } catch (RuntimeException e) {
 272                 Log.d(LOG_TAG, "Property '" + property + "' missing and no '"
 273                         + preference + "' preference");
 274             }
 275         }
 276     }
 277
 278     private void removePreferenceIfBoolFalse(String preference, int resId) {
 279         if (!getResources().getBoolean(resId)) {
 280             Preference pref = findPreference(preference);
 281             if (pref != null) {
 282                 getPreferenceScreen().removePreference(pref);
 283             }
 284         }
 285     }
 286
 287     private void setStringSummary(String preference, String value) {
 288         try {
 289             findPreference(preference).setSummary(value);
 290         } catch (RuntimeException e) {
 291             findPreference(preference).setSummary(
 292                 getResources().getString(R.string.device_info_default));
 293         }
 294     }
 295
 296     private void setValueSummary(String preference, String property) {
 297         try {
 298             findPreference(preference).setSummary(
 299                     SystemProperties.get(property,
 300                             getResources().getString(R.string.device_info_default)));
 301         } catch (RuntimeException e) {
 302             // No recovery
 303         }
 304     }
 305
 306     private void sendFeedback() {
 307         String reporterPackage = getFeedbackReporterPackage(getActivity());
 308         if (TextUtils.isEmpty(reporterPackage)) {
 309             return;
 310         }
 311         Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
 312         intent.setPackage(reporterPackage);
 313         startActivityForResult(intent, 0);
 314     }
 315
 316     /**
 317      * Reads a line from the specified file.
 318      * @param filename the file to read from
 319      * @return the first line, if any.
 320      * @throws IOException if the file couldn't be read
 321      */
 322     private static String readLine(String filename) throws IOException {
 323         BufferedReader reader = new BufferedReader(new FileReader(filename), 256);
 324         try {
 325             return reader.readLine();
 326         } finally {
 327             reader.close();
 328         }
 329     }
 330
 331     public static String getFormattedKernelVersion() {
 332         try {
 333             return formatKernelVersion(readLine(FILENAME_PROC_VERSION));
 334
 335         } catch (IOException e) {
 336             Log.e(LOG_TAG,
 337                 "IO Exception when getting kernel version for Device Info screen",
 338                 e);
 339
 340             return "Unavailable";
 341         }
 342     }
 343
 344     public static String formatKernelVersion(String rawKernelVersion) {
 345         // Example (see tests for more):
 346         // Linux version 3.0.31-g6fb96c9 (android-build@xxx.xxx.xxx.xxx.com) \
 347         //     (gcc version 4.6.x-xxx 20120106 (prerelease) (GCC) ) #1 SMP PREEMPT \
 348         //     Thu Jun 28 11:02:39 PDT 2012
 349
 350         final String PROC_VERSION_REGEX =
 351             "Linux version (\\S+) " + /* group 1: "3.0.31-g6fb96c9" */
 352             "\\((\\S+?)\\) " +        /* group 2: "x@y.com" (kernel builder) */
 353             "(?:\\(gcc.+? \\)) " +    /* ignore: GCC version information */
 354             "(#\\d+) " +              /* group 3: "#1" */
 355             "(?:.*?)?" +              /* ignore: optional SMP, PREEMPT, and any CONFIG_FLAGS */
 356             "((Sun|Mon|Tue|Wed|Thu|Fri|Sat).+)"; /* group 4: "Thu Jun 28 11:02:39 PDT 2012" */
 357
 358         Matcher m = Pattern.compile(PROC_VERSION_REGEX).matcher(rawKernelVersion);
 359         if (!m.matches()) {
 360             Log.e(LOG_TAG, "Regex did not match on /proc/version: " + rawKernelVersion);
 361             return "Unavailable";
 362         } else if (m.groupCount() < 4) {
 363             Log.e(LOG_TAG, "Regex match on /proc/version only returned " + m.groupCount()
 364                     + " groups");
 365             return "Unavailable";
 366         }
 367         return m.group(1) + "\n" +                 // 3.0.31-g6fb96c9
 368             m.group(2) + " " + m.group(3) + "\n" + // x@y.com #1
 369             m.group(4);                            // Thu Jun 28 11:02:39 PDT 2012
 370     }
 371
 372     /**
 373      * Returns " (ENGINEERING)" if the msv file has a zero value, else returns "".
 374      * @return a string to append to the model number description.
 375      */
 376     private String getMsvSuffix() {
 377         // Production devices should have a non-zero value. If we can't read it, assume it's a
 378         // production device so that we don't accidentally show that it's an ENGINEERING device.
 379         try {
 380             String msv = readLine(FILENAME_MSV);
 381             // Parse as a hex number. If it evaluates to a zero, then it's an engineering build.
 382             if (Long.parseLong(msv, 16) == 0) {
 383                 return " (ENGINEERING)";
 384             }
 385         } catch (IOException ioe) {
 386             // Fail quietly, as the file may not exist on some devices.
 387         } catch (NumberFormatException nfe) {
 388             // Fail quietly, returning empty string should be sufficient
 389         }
 390         return "";
 391     }
 392
 393     private static String getFeedbackReporterPackage(Context context) {
 394         final String feedbackReporter =
 395                 context.getResources().getString(R.string.oem_preferred_feedback_reporter);
 396         if (TextUtils.isEmpty(feedbackReporter)) {
 397             // Reporter not configured. Return.
 398             return feedbackReporter;
 399         }
 400         // Additional checks to ensure the reporter is on system image, and reporter is
 401         // configured to listen to the intent. Otherwise, dont show the "send feedback" option.
 402         final Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
 403
 404         PackageManager pm = context.getPackageManager();
 405         List<ResolveInfo> resolvedPackages =
 406                 pm.queryIntentActivities(intent, PackageManager.GET_RESOLVED_FILTER);
 407         for (ResolveInfo info : resolvedPackages) {
 408             if (info.activityInfo != null) {
 409                 if (!TextUtils.isEmpty(info.activityInfo.packageName)) {
 410                     try {
 411                         ApplicationInfo ai = pm.getApplicationInfo(info.activityInfo.packageName, 0);
 412                         if ((ai.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
 413                             // Package is on the system image
 414                             if (TextUtils.equals(
 415                                         info.activityInfo.packageName, feedbackReporter)) {
 416                                 return feedbackReporter;
 417                             }
 418                         }
 419                     } catch (PackageManager.NameNotFoundException e) {
 420                          // No need to do anything here.
 421                     }
 422                 }
 423             }
 424         }
 425         return null;
 426     }
 427
 428     /**
 429      * For Search.
 430      */
 431     public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
 432         new BaseSearchIndexProvider() {
 433
 434             @Override
 435             public List<SearchIndexableResource> getXmlResourcesToIndex(
 436                     Context context, boolean enabled) {
 437                 final SearchIndexableResource sir = new SearchIndexableResource(context);
 438                 sir.xmlResId = R.xml.device_info_settings;
 439                 return Arrays.asList(sir);
 440             }
 441
 442             @Override
 443             public List<String> getNonIndexableKeys(Context context) {
 444                 final List<String> keys = new ArrayList<String>();
 445                 if (isPropertyMissing(PROPERTY_SELINUX_STATUS)) {
 446                     keys.add(KEY_SELINUX_STATUS);
 447                 }
 448                 if (isPropertyMissing(PROPERTY_URL_SAFETYLEGAL)) {
 449                     keys.add(KEY_SAFETY_LEGAL);
 450                 }
 451                 if (isPropertyMissing(PROPERTY_EQUIPMENT_ID)) {
 452                     keys.add(KEY_EQUIPMENT_ID);
 453                 }
 454                 // Remove Baseband version if wifi-only device
 455                 if (Utils.isWifiOnly(context)) {
 456                     keys.add((KEY_BASEBAND_VERSION));
 457                 }
 458                 // Dont show feedback option if there is no reporter.
 459                 if (TextUtils.isEmpty(getFeedbackReporterPackage(context))) {
 460                     keys.add(KEY_DEVICE_FEEDBACK);
 461                 }
 462                 if (!checkIntentAction(context, "android.settings.TERMS")) {
 463                     keys.add(KEY_TERMS);
 464                 }
 465                 if (!checkIntentAction(context, "android.settings.LICENSE")) {
 466                     keys.add(KEY_LICENSE);
 467                 }
 468                 if (!checkIntentAction(context, "android.settings.COPYRIGHT")) {
 469                     keys.add(KEY_COPYRIGHT);
 470                 }
 471                 if (!checkIntentAction(context, "android.settings.WEBVIEW_LICENSE")) {
 472                     keys.add(KEY_WEBVIEW_LICENSE);
 473                 }
 474                 if (UserHandle.myUserId() != UserHandle.USER_OWNER) {
 475                     keys.add(KEY_SYSTEM_UPDATE_SETTINGS);
 476                 }
 477                 if (!context.getResources().getBoolean(
 478                         R.bool.config_additional_system_update_setting_enable)) {
 479                     keys.add(KEY_UPDATE_SETTING);
 480                 }
 481                 return keys;
 482             }
 483
 484             private boolean isPropertyMissing(String property) {
 485                 return SystemProperties.get(property).equals("");
 486             }
 487
 488             private boolean checkIntentAction(Context context, String action) {
 489                 final Intent intent = new Intent(action);
 490
 491                 // Find the activity that is in the system image
 492                 final PackageManager pm = context.getPackageManager();
 493                 final List<ResolveInfo> list = pm.queryIntentActivities(intent, 0);
 494                 final int listSize = list.size();
 495
 496                 for (int i = 0; i < listSize; i++) {
 497                     ResolveInfo resolveInfo = list.get(i);
 498                     if ((resolveInfo.activityInfo.applicationInfo.flags &
 499                             ApplicationInfo.FLAG_SYSTEM) != 0) {
 500                         return true;
 501                     }
 502                 }
 503
 504                 return false;
 505             }
 506         };
 507
 508 }
 509