| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings; |
| |
| import android.app.Activity; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.os.SELinux; |
| import android.os.SystemClock; |
| import android.os.SystemProperties; |
| import android.os.UserHandle; |
| import android.preference.Preference; |
| import android.preference.PreferenceGroup; |
| import android.preference.PreferenceScreen; |
| import android.util.Log; |
| import android.widget.Toast; |
| |
| import java.io.BufferedReader; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class DeviceInfoSettings extends SettingsPreferenceFragment { |
| |
| private static final String LOG_TAG = "DeviceInfoSettings"; |
| |
| private static final String FILENAME_PROC_VERSION = "/proc/version"; |
| private static final String FILENAME_MSV = "/sys/board_properties/soc/msv"; |
| |
| private static final String KEY_CONTAINER = "container"; |
| private static final String KEY_TEAM = "team"; |
| private static final String KEY_CONTRIBUTORS = "contributors"; |
| private static final String KEY_REGULATORY_INFO = "regulatory_info"; |
| private static final String KEY_TERMS = "terms"; |
| private static final String KEY_LICENSE = "license"; |
| private static final String KEY_COPYRIGHT = "copyright"; |
| private static final String KEY_SYSTEM_UPDATE_SETTINGS = "system_update_settings"; |
| private static final String PROPERTY_URL_SAFETYLEGAL = "ro.url.safetylegal"; |
| private static final String PROPERTY_SELINUX_STATUS = "ro.build.selinux"; |
| private static final String KEY_KERNEL_VERSION = "kernel_version"; |
| private static final String KEY_BUILD_NUMBER = "build_number"; |
| private static final String KEY_DEVICE_MODEL = "device_model"; |
| private static final String KEY_SELINUX_STATUS = "selinux_status"; |
| private static final String KEY_BASEBAND_VERSION = "baseband_version"; |
| private static final String KEY_FIRMWARE_VERSION = "firmware_version"; |
| private static final String KEY_UPDATE_SETTING = "additional_system_update_settings"; |
| private static final String KEY_EQUIPMENT_ID = "fcc_equipment_id"; |
| private static final String PROPERTY_EQUIPMENT_ID = "ro.ril.fccid"; |
| |
| static final int TAPS_TO_BE_A_DEVELOPER = 7; |
| |
| long[] mHits = new long[3]; |
| int mDevHitCountdown; |
| Toast mDevHitToast; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| |
| addPreferencesFromResource(R.xml.device_info_settings); |
| |
| setStringSummary(KEY_FIRMWARE_VERSION, Build.VERSION.RELEASE); |
| findPreference(KEY_FIRMWARE_VERSION).setEnabled(true); |
| setValueSummary(KEY_BASEBAND_VERSION, "gsm.version.baseband"); |
| setStringSummary(KEY_DEVICE_MODEL, Build.MODEL + getMsvSuffix()); |
| setValueSummary(KEY_EQUIPMENT_ID, PROPERTY_EQUIPMENT_ID); |
| setStringSummary(KEY_DEVICE_MODEL, Build.MODEL); |
| setStringSummary(KEY_BUILD_NUMBER, Build.DISPLAY); |
| findPreference(KEY_BUILD_NUMBER).setEnabled(true); |
| findPreference(KEY_KERNEL_VERSION).setSummary(getFormattedKernelVersion()); |
| |
| if (!SELinux.isSELinuxEnabled()) { |
| String status = getResources().getString(R.string.selinux_status_disabled); |
| setStringSummary(KEY_SELINUX_STATUS, status); |
| } else if (!SELinux.isSELinuxEnforced()) { |
| String status = getResources().getString(R.string.selinux_status_permissive); |
| setStringSummary(KEY_SELINUX_STATUS, status); |
| } |
| |
| // Remove selinux information if property is not present |
| removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_SELINUX_STATUS, |
| PROPERTY_SELINUX_STATUS); |
| |
| // Remove Safety information preference if PROPERTY_URL_SAFETYLEGAL is not set |
| removePreferenceIfPropertyMissing(getPreferenceScreen(), "safetylegal", |
| PROPERTY_URL_SAFETYLEGAL); |
| |
| // Remove Equipment id preference if FCC ID is not set by RIL |
| removePreferenceIfPropertyMissing(getPreferenceScreen(), KEY_EQUIPMENT_ID, |
| PROPERTY_EQUIPMENT_ID); |
| |
| // Remove Baseband version if wifi-only device |
| if (Utils.isWifiOnly(getActivity())) { |
| getPreferenceScreen().removePreference(findPreference(KEY_BASEBAND_VERSION)); |
| } |
| |
| /* |
| * Settings is a generic app and should not contain any device-specific |
| * info. |
| */ |
| final Activity act = getActivity(); |
| // These are contained in the "container" preference group |
| PreferenceGroup parentPreference = (PreferenceGroup) findPreference(KEY_CONTAINER); |
| Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TERMS, |
| Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); |
| Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_LICENSE, |
| Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); |
| Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_COPYRIGHT, |
| Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); |
| Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_TEAM, |
| Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); |
| |
| // These are contained by the root preference screen |
| parentPreference = getPreferenceScreen(); |
| if (UserHandle.myUserId() == UserHandle.USER_OWNER) { |
| Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, |
| KEY_SYSTEM_UPDATE_SETTINGS, |
| Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); |
| } else { |
| // Remove for secondary users |
| removePreference(KEY_SYSTEM_UPDATE_SETTINGS); |
| } |
| Utils.updatePreferenceToSpecificActivityOrRemove(act, parentPreference, KEY_CONTRIBUTORS, |
| Utils.UPDATE_PREFERENCE_FLAG_SET_TITLE_TO_MATCHING_ACTIVITY); |
| |
| // Read platform settings for additional system update setting |
| removePreferenceIfBoolFalse(KEY_UPDATE_SETTING, |
| R.bool.config_additional_system_update_setting_enable); |
| |
| // Remove regulatory information if not enabled. |
| removePreferenceIfBoolFalse(KEY_REGULATORY_INFO, |
| R.bool.config_show_regulatory_info); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| mDevHitCountdown = getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE, |
| Context.MODE_PRIVATE).getBoolean(DevelopmentSettings.PREF_SHOW, |
| android.os.Build.TYPE.equals("eng")) ? -1 : TAPS_TO_BE_A_DEVELOPER; |
| mDevHitToast = null; |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { |
| if (preference.getKey().equals(KEY_FIRMWARE_VERSION)) { |
| System.arraycopy(mHits, 1, mHits, 0, mHits.length-1); |
| mHits[mHits.length-1] = SystemClock.uptimeMillis(); |
| if (mHits[0] >= (SystemClock.uptimeMillis()-500)) { |
| Intent intent = new Intent(Intent.ACTION_MAIN); |
| intent.setClassName("android", |
| com.android.internal.app.PlatLogoActivity.class.getName()); |
| try { |
| startActivity(intent); |
| } catch (Exception e) { |
| Log.e(LOG_TAG, "Unable to start activity " + intent.toString()); |
| } |
| } |
| } else if (preference.getKey().equals(KEY_BUILD_NUMBER)) { |
| // Don't enable developer options for secondary users. |
| if (UserHandle.myUserId() != UserHandle.USER_OWNER) return true; |
| |
| if (mDevHitCountdown > 0) { |
| mDevHitCountdown--; |
| if (mDevHitCountdown == 0) { |
| getActivity().getSharedPreferences(DevelopmentSettings.PREF_FILE, |
| Context.MODE_PRIVATE).edit().putBoolean( |
| DevelopmentSettings.PREF_SHOW, true).apply(); |
| if (mDevHitToast != null) { |
| mDevHitToast.cancel(); |
| } |
| mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_on, |
| Toast.LENGTH_LONG); |
| mDevHitToast.show(); |
| } else if (mDevHitCountdown > 0 |
| && mDevHitCountdown < (TAPS_TO_BE_A_DEVELOPER-2)) { |
| if (mDevHitToast != null) { |
| mDevHitToast.cancel(); |
| } |
| mDevHitToast = Toast.makeText(getActivity(), getResources().getQuantityString( |
| R.plurals.show_dev_countdown, mDevHitCountdown, mDevHitCountdown), |
| Toast.LENGTH_SHORT); |
| mDevHitToast.show(); |
| } |
| } else if (mDevHitCountdown < 0) { |
| if (mDevHitToast != null) { |
| mDevHitToast.cancel(); |
| } |
| mDevHitToast = Toast.makeText(getActivity(), R.string.show_dev_already, |
| Toast.LENGTH_LONG); |
| mDevHitToast.show(); |
| } |
| } |
| return super.onPreferenceTreeClick(preferenceScreen, preference); |
| } |
| |
| private void removePreferenceIfPropertyMissing(PreferenceGroup preferenceGroup, |
| String preference, String property ) { |
| if (SystemProperties.get(property).equals("")) { |
| // Property is missing so remove preference from group |
| try { |
| preferenceGroup.removePreference(findPreference(preference)); |
| } catch (RuntimeException e) { |
| Log.d(LOG_TAG, "Property '" + property + "' missing and no '" |
| + preference + "' preference"); |
| } |
| } |
| } |
| |
| private void removePreferenceIfBoolFalse(String preference, int resId) { |
| if (!getResources().getBoolean(resId)) { |
| Preference pref = findPreference(preference); |
| if (pref != null) { |
| getPreferenceScreen().removePreference(pref); |
| } |
| } |
| } |
| |
| private void setStringSummary(String preference, String value) { |
| try { |
| findPreference(preference).setSummary(value); |
| } catch (RuntimeException e) { |
| findPreference(preference).setSummary( |
| getResources().getString(R.string.device_info_default)); |
| } |
| } |
| |
| private void setValueSummary(String preference, String property) { |
| try { |
| findPreference(preference).setSummary( |
| SystemProperties.get(property, |
| getResources().getString(R.string.device_info_default))); |
| } catch (RuntimeException e) { |
| // No recovery |
| } |
| } |
| |
| /** |
| * Reads a line from the specified file. |
| * @param filename the file to read from |
| * @return the first line, if any. |
| * @throws IOException if the file couldn't be read |
| */ |
| private static String readLine(String filename) throws IOException { |
| BufferedReader reader = new BufferedReader(new FileReader(filename), 256); |
| try { |
| return reader.readLine(); |
| } finally { |
| reader.close(); |
| } |
| } |
| |
| public static String getFormattedKernelVersion() { |
| try { |
| return formatKernelVersion(readLine(FILENAME_PROC_VERSION)); |
| |
| } catch (IOException e) { |
| Log.e(LOG_TAG, |
| "IO Exception when getting kernel version for Device Info screen", |
| e); |
| |
| return "Unavailable"; |
| } |
| } |
| |
| public static String formatKernelVersion(String rawKernelVersion) { |
| // Example (see tests for more): |
| // Linux version 3.0.31-g6fb96c9 (android-build@xxx.xxx.xxx.xxx.com) \ |
| // (gcc version 4.6.x-xxx 20120106 (prerelease) (GCC) ) #1 SMP PREEMPT \ |
| // Thu Jun 28 11:02:39 PDT 2012 |
| |
| final String PROC_VERSION_REGEX = |
| "Linux version (\\S+) " + /* group 1: "3.0.31-g6fb96c9" */ |
| "\\((\\S+?)\\) " + /* group 2: "x@y.com" (kernel builder) */ |
| "(?:\\(gcc.+? \\)) " + /* ignore: GCC version information */ |
| "(#\\d+) " + /* group 3: "#1" */ |
| "(?:.*?)?" + /* ignore: optional SMP, PREEMPT, and any CONFIG_FLAGS */ |
| "((Sun|Mon|Tue|Wed|Thu|Fri|Sat).+)"; /* group 4: "Thu Jun 28 11:02:39 PDT 2012" */ |
| |
| Matcher m = Pattern.compile(PROC_VERSION_REGEX).matcher(rawKernelVersion); |
| if (!m.matches()) { |
| Log.e(LOG_TAG, "Regex did not match on /proc/version: " + rawKernelVersion); |
| return "Unavailable"; |
| } else if (m.groupCount() < 4) { |
| Log.e(LOG_TAG, "Regex match on /proc/version only returned " + m.groupCount() |
| + " groups"); |
| return "Unavailable"; |
| } |
| return m.group(1) + "\n" + // 3.0.31-g6fb96c9 |
| m.group(2) + " " + m.group(3) + "\n" + // x@y.com #1 |
| m.group(4); // Thu Jun 28 11:02:39 PDT 2012 |
| } |
| |
| /** |
| * Returns " (ENGINEERING)" if the msv file has a zero value, else returns "". |
| * @return a string to append to the model number description. |
| */ |
| private String getMsvSuffix() { |
| // Production devices should have a non-zero value. If we can't read it, assume it's a |
| // production device so that we don't accidentally show that it's an ENGINEERING device. |
| try { |
| String msv = readLine(FILENAME_MSV); |
| // Parse as a hex number. If it evaluates to a zero, then it's an engineering build. |
| if (Long.parseLong(msv, 16) == 0) { |
| return " (ENGINEERING)"; |
| } |
| } catch (IOException ioe) { |
| // Fail quietly, as the file may not exist on some devices. |
| } catch (NumberFormatException nfe) { |
| // Fail quietly, returning empty string should be sufficient |
| } |
| return ""; |
| } |
| } |
