| /* |
| * Copyright (C) 2007 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.app.AlertDialog; |
| import android.app.admin.DevicePolicyManager; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.res.Resources; |
| import android.hardware.fingerprint.Fingerprint; |
| import android.hardware.fingerprint.FingerprintManager; |
| import android.os.Bundle; |
| import android.os.PersistableBundle; |
| import android.os.UserHandle; |
| import android.os.UserManager; |
| import android.preference.ListPreference; |
| import android.preference.Preference; |
| import android.preference.Preference.OnPreferenceChangeListener; |
| import android.preference.Preference.OnPreferenceClickListener; |
| import android.preference.PreferenceGroup; |
| import android.preference.PreferenceScreen; |
| import android.preference.SwitchPreference; |
| import android.provider.SearchIndexableResource; |
| import android.provider.Settings; |
| import android.security.KeyStore; |
| import android.service.trust.TrustAgentService; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.SubscriptionInfo; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.internal.logging.MetricsLogger; |
| import com.android.internal.widget.LockPatternUtils; |
| import com.android.settings.TrustAgentUtils.TrustAgentComponentInfo; |
| import com.android.settings.fingerprint.FingerprintEnrollIntroduction; |
| import com.android.settings.fingerprint.FingerprintSettings; |
| import com.android.settings.search.BaseSearchIndexProvider; |
| import com.android.settings.search.Index; |
| import com.android.settings.search.Indexable; |
| import com.android.settings.search.SearchIndexableRaw; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT; |
| |
| /** |
| * Gesture lock pattern settings. |
| */ |
| public class SecuritySettings extends SettingsPreferenceFragment |
| implements OnPreferenceChangeListener, DialogInterface.OnClickListener, Indexable { |
| |
| private static final String TAG = "SecuritySettings"; |
| private static final String TRUST_AGENT_CLICK_INTENT = "trust_agent_click_intent"; |
| private static final Intent TRUST_AGENT_INTENT = |
| new Intent(TrustAgentService.SERVICE_INTERFACE); |
| |
| // Lock Settings |
| private static final String KEY_UNLOCK_SET_OR_CHANGE = "unlock_set_or_change"; |
| private static final String KEY_VISIBLE_PATTERN = "visiblepattern"; |
| private static final String KEY_SECURITY_CATEGORY = "security_category"; |
| private static final String KEY_DEVICE_ADMIN_CATEGORY = "device_admin_category"; |
| private static final String KEY_LOCK_AFTER_TIMEOUT = "lock_after_timeout"; |
| private static final String KEY_OWNER_INFO_SETTINGS = "owner_info_settings"; |
| private static final String KEY_ADVANCED_SECURITY = "advanced_security"; |
| private static final String KEY_MANAGE_TRUST_AGENTS = "manage_trust_agents"; |
| private static final String KEY_FINGERPRINT_SETTINGS = "fingerprint_settings"; |
| |
| private static final int SET_OR_CHANGE_LOCK_METHOD_REQUEST = 123; |
| private static final int CHANGE_TRUST_AGENT_SETTINGS = 126; |
| |
| // Misc Settings |
| private static final String KEY_SIM_LOCK = "sim_lock"; |
| private static final String KEY_SHOW_PASSWORD = "show_password"; |
| private static final String KEY_CREDENTIAL_STORAGE_TYPE = "credential_storage_type"; |
| private static final String KEY_RESET_CREDENTIALS = "credentials_reset"; |
| private static final String KEY_CREDENTIALS_INSTALL = "credentials_install"; |
| private static final String KEY_TOGGLE_INSTALL_APPLICATIONS = "toggle_install_applications"; |
| private static final String KEY_POWER_INSTANTLY_LOCKS = "power_button_instantly_locks"; |
| private static final String KEY_CREDENTIALS_MANAGER = "credentials_management"; |
| private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; |
| private static final String KEY_TRUST_AGENT = "trust_agent"; |
| private static final String KEY_SCREEN_PINNING = "screen_pinning_settings"; |
| |
| // These switch preferences need special handling since they're not all stored in Settings. |
| private static final String SWITCH_PREFERENCE_KEYS[] = { KEY_LOCK_AFTER_TIMEOUT, |
| KEY_VISIBLE_PATTERN, KEY_POWER_INSTANTLY_LOCKS, KEY_SHOW_PASSWORD, |
| KEY_TOGGLE_INSTALL_APPLICATIONS }; |
| |
| // Only allow one trust agent on the platform. |
| private static final boolean ONLY_ONE_TRUST_AGENT = true; |
| |
| private static final int MY_USER_ID = UserHandle.myUserId(); |
| |
| private DevicePolicyManager mDPM; |
| private SubscriptionManager mSubscriptionManager; |
| private UserManager mUm; |
| |
| private ChooseLockSettingsHelper mChooseLockSettingsHelper; |
| private LockPatternUtils mLockPatternUtils; |
| private ListPreference mLockAfter; |
| |
| private SwitchPreference mVisiblePattern; |
| |
| private SwitchPreference mShowPassword; |
| |
| private KeyStore mKeyStore; |
| private Preference mResetCredentials; |
| |
| private SwitchPreference mToggleAppInstallation; |
| private DialogInterface mWarnInstallApps; |
| private SwitchPreference mPowerButtonInstantlyLocks; |
| |
| private boolean mIsAdmin; |
| |
| private Intent mTrustAgentClickIntent; |
| private Preference mOwnerInfoPref; |
| |
| @Override |
| protected int getMetricsCategory() { |
| return MetricsLogger.SECURITY; |
| } |
| |
| @Override |
| public void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| mSubscriptionManager = SubscriptionManager.from(getActivity()); |
| |
| mLockPatternUtils = new LockPatternUtils(getActivity()); |
| |
| mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE); |
| |
| mUm = UserManager.get(getActivity()); |
| |
| mChooseLockSettingsHelper = new ChooseLockSettingsHelper(getActivity()); |
| |
| if (savedInstanceState != null |
| && savedInstanceState.containsKey(TRUST_AGENT_CLICK_INTENT)) { |
| mTrustAgentClickIntent = savedInstanceState.getParcelable(TRUST_AGENT_CLICK_INTENT); |
| } |
| } |
| |
| private static int getResIdForLockUnlockScreen(Context context, |
| LockPatternUtils lockPatternUtils) { |
| int resid = 0; |
| if (!lockPatternUtils.isSecure(MY_USER_ID)) { |
| if (lockPatternUtils.isLockScreenDisabled(MY_USER_ID)) { |
| resid = R.xml.security_settings_lockscreen; |
| } else { |
| resid = R.xml.security_settings_chooser; |
| } |
| } else { |
| switch (lockPatternUtils.getKeyguardStoredPasswordQuality(MY_USER_ID)) { |
| case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING: |
| resid = R.xml.security_settings_pattern; |
| break; |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX: |
| resid = R.xml.security_settings_pin; |
| break; |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC: |
| case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX: |
| resid = R.xml.security_settings_password; |
| break; |
| } |
| } |
| return resid; |
| } |
| |
| /** |
| * Important! |
| * |
| * Don't forget to update the SecuritySearchIndexProvider if you are doing any change in the |
| * logic or adding/removing preferences here. |
| */ |
| private PreferenceScreen createPreferenceHierarchy() { |
| PreferenceScreen root = getPreferenceScreen(); |
| if (root != null) { |
| root.removeAll(); |
| } |
| addPreferencesFromResource(R.xml.security_settings); |
| root = getPreferenceScreen(); |
| |
| // Add options for lock/unlock screen |
| final int resid = getResIdForLockUnlockScreen(getActivity(), mLockPatternUtils); |
| addPreferencesFromResource(resid); |
| |
| // Add options for device encryption |
| mIsAdmin = mUm.isAdminUser(); |
| |
| mOwnerInfoPref = findPreference(KEY_OWNER_INFO_SETTINGS); |
| if (mOwnerInfoPref != null) { |
| mOwnerInfoPref.setOnPreferenceClickListener(new OnPreferenceClickListener() { |
| @Override |
| public boolean onPreferenceClick(Preference preference) { |
| OwnerInfoSettings.show(SecuritySettings.this); |
| return true; |
| } |
| }); |
| } |
| |
| if (mIsAdmin) { |
| if (LockPatternUtils.isDeviceEncryptionEnabled()) { |
| // The device is currently encrypted. |
| addPreferencesFromResource(R.xml.security_settings_encrypted); |
| } else { |
| // This device supports encryption but isn't encrypted. |
| addPreferencesFromResource(R.xml.security_settings_unencrypted); |
| } |
| } |
| |
| // Fingerprint and trust agents |
| PreferenceGroup securityCategory = (PreferenceGroup) |
| root.findPreference(KEY_SECURITY_CATEGORY); |
| if (securityCategory != null) { |
| maybeAddFingerprintPreference(securityCategory); |
| addTrustAgentSettings(securityCategory); |
| } |
| |
| // lock after preference |
| mLockAfter = (ListPreference) root.findPreference(KEY_LOCK_AFTER_TIMEOUT); |
| if (mLockAfter != null) { |
| setupLockAfterPreference(); |
| updateLockAfterPreferenceSummary(); |
| } |
| |
| // visible pattern |
| mVisiblePattern = (SwitchPreference) root.findPreference(KEY_VISIBLE_PATTERN); |
| |
| // lock instantly on power key press |
| mPowerButtonInstantlyLocks = (SwitchPreference) root.findPreference( |
| KEY_POWER_INSTANTLY_LOCKS); |
| Preference trustAgentPreference = root.findPreference(KEY_TRUST_AGENT); |
| if (mPowerButtonInstantlyLocks != null && |
| trustAgentPreference != null && |
| trustAgentPreference.getTitle().length() > 0) { |
| mPowerButtonInstantlyLocks.setSummary(getString( |
| R.string.lockpattern_settings_power_button_instantly_locks_summary, |
| trustAgentPreference.getTitle())); |
| } |
| |
| // Append the rest of the settings |
| addPreferencesFromResource(R.xml.security_settings_misc); |
| |
| // Do not display SIM lock for devices without an Icc card |
| TelephonyManager tm = TelephonyManager.getDefault(); |
| CarrierConfigManager cfgMgr = (CarrierConfigManager) |
| getActivity().getSystemService(Context.CARRIER_CONFIG_SERVICE); |
| PersistableBundle b = cfgMgr.getConfig(); |
| if (!mIsAdmin || !isSimIccReady() || |
| b.getBoolean(CarrierConfigManager.KEY_HIDE_SIM_LOCK_SETTINGS_BOOL)) { |
| root.removePreference(root.findPreference(KEY_SIM_LOCK)); |
| } else { |
| // Disable SIM lock if there is no ready SIM card. |
| root.findPreference(KEY_SIM_LOCK).setEnabled(isSimReady()); |
| } |
| if (Settings.System.getInt(getContentResolver(), |
| Settings.System.LOCK_TO_APP_ENABLED, 0) != 0) { |
| root.findPreference(KEY_SCREEN_PINNING).setSummary( |
| getResources().getString(R.string.switch_on_text)); |
| } |
| |
| // Show password |
| mShowPassword = (SwitchPreference) root.findPreference(KEY_SHOW_PASSWORD); |
| mResetCredentials = root.findPreference(KEY_RESET_CREDENTIALS); |
| |
| // Credential storage |
| final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE); |
| mKeyStore = KeyStore.getInstance(); // needs to be initialized for onResume() |
| if (!um.hasUserRestriction(UserManager.DISALLOW_CONFIG_CREDENTIALS)) { |
| Preference credentialStorageType = root.findPreference(KEY_CREDENTIAL_STORAGE_TYPE); |
| |
| final int storageSummaryRes = |
| mKeyStore.isHardwareBacked() ? R.string.credential_storage_type_hardware |
| : R.string.credential_storage_type_software; |
| credentialStorageType.setSummary(storageSummaryRes); |
| } else { |
| PreferenceGroup credentialsManager = (PreferenceGroup) |
| root.findPreference(KEY_CREDENTIALS_MANAGER); |
| credentialsManager.removePreference(root.findPreference(KEY_RESET_CREDENTIALS)); |
| credentialsManager.removePreference(root.findPreference(KEY_CREDENTIALS_INSTALL)); |
| credentialsManager.removePreference(root.findPreference(KEY_CREDENTIAL_STORAGE_TYPE)); |
| } |
| |
| // Application install |
| PreferenceGroup deviceAdminCategory = (PreferenceGroup) |
| root.findPreference(KEY_DEVICE_ADMIN_CATEGORY); |
| mToggleAppInstallation = (SwitchPreference) findPreference( |
| KEY_TOGGLE_INSTALL_APPLICATIONS); |
| mToggleAppInstallation.setChecked(isNonMarketAppsAllowed()); |
| // Side loading of apps. |
| // Disable for restricted profiles. For others, check if policy disallows it. |
| mToggleAppInstallation.setEnabled(!um.getUserInfo(MY_USER_ID).isRestricted()); |
| if (um.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES) |
| || um.hasUserRestriction(UserManager.DISALLOW_INSTALL_APPS)) { |
| mToggleAppInstallation.setEnabled(false); |
| } |
| |
| // Advanced Security features |
| PreferenceGroup advancedCategory = |
| (PreferenceGroup)root.findPreference(KEY_ADVANCED_SECURITY); |
| if (advancedCategory != null) { |
| Preference manageAgents = advancedCategory.findPreference(KEY_MANAGE_TRUST_AGENTS); |
| if (manageAgents != null && !mLockPatternUtils.isSecure(MY_USER_ID)) { |
| manageAgents.setEnabled(false); |
| manageAgents.setSummary(R.string.disabled_because_no_backup_security); |
| } |
| } |
| |
| // The above preferences come and go based on security state, so we need to update |
| // the index. This call is expected to be fairly cheap, but we may want to do something |
| // smarter in the future. |
| Index.getInstance(getActivity()) |
| .updateFromClassNameResource(SecuritySettings.class.getName(), true, true); |
| |
| for (int i = 0; i < SWITCH_PREFERENCE_KEYS.length; i++) { |
| final Preference pref = findPreference(SWITCH_PREFERENCE_KEYS[i]); |
| if (pref != null) pref.setOnPreferenceChangeListener(this); |
| } |
| return root; |
| } |
| |
| private void maybeAddFingerprintPreference(PreferenceGroup securityCategory) { |
| FingerprintManager fpm = (FingerprintManager) getActivity().getSystemService( |
| Context.FINGERPRINT_SERVICE); |
| if (!fpm.isHardwareDetected()) { |
| Log.v(TAG, "No fingerprint hardware detected!!"); |
| return; |
| } |
| Preference fingerprintPreference = new Preference(securityCategory.getContext()); |
| fingerprintPreference.setKey(KEY_FINGERPRINT_SETTINGS); |
| fingerprintPreference.setTitle(R.string.security_settings_fingerprint_preference_title); |
| Intent intent = new Intent(); |
| final List<Fingerprint> items = fpm.getEnrolledFingerprints(); |
| final int fingerprintCount = items != null ? items.size() : 0; |
| final String clazz; |
| if (fingerprintCount > 0) { |
| fingerprintPreference.setSummary(getResources().getQuantityString( |
| R.plurals.security_settings_fingerprint_preference_summary, |
| fingerprintCount, fingerprintCount)); |
| clazz = FingerprintSettings.class.getName(); |
| } else { |
| fingerprintPreference.setSummary( |
| R.string.security_settings_fingerprint_preference_summary_none); |
| clazz = FingerprintEnrollIntroduction.class.getName(); |
| } |
| intent.setClassName("com.android.settings", clazz); |
| fingerprintPreference.setIntent(intent); |
| securityCategory.addPreference(fingerprintPreference); |
| } |
| |
| private void addTrustAgentSettings(PreferenceGroup securityCategory) { |
| final boolean hasSecurity = mLockPatternUtils.isSecure(MY_USER_ID); |
| ArrayList<TrustAgentComponentInfo> agents = |
| getActiveTrustAgents(getPackageManager(), mLockPatternUtils, mDPM); |
| for (int i = 0; i < agents.size(); i++) { |
| final TrustAgentComponentInfo agent = agents.get(i); |
| Preference trustAgentPreference = |
| new Preference(securityCategory.getContext()); |
| trustAgentPreference.setKey(KEY_TRUST_AGENT); |
| trustAgentPreference.setTitle(agent.title); |
| trustAgentPreference.setSummary(agent.summary); |
| // Create intent for this preference. |
| Intent intent = new Intent(); |
| intent.setComponent(agent.componentName); |
| intent.setAction(Intent.ACTION_MAIN); |
| trustAgentPreference.setIntent(intent); |
| // Add preference to the settings menu. |
| securityCategory.addPreference(trustAgentPreference); |
| |
| if (agent.disabledByAdministrator) { |
| trustAgentPreference.setEnabled(false); |
| trustAgentPreference.setSummary(R.string.trust_agent_disabled_device_admin); |
| } else if (!hasSecurity) { |
| trustAgentPreference.setEnabled(false); |
| trustAgentPreference.setSummary(R.string.disabled_because_no_backup_security); |
| } |
| } |
| } |
| |
| /* Return true if a there is a Slot that has Icc. |
| */ |
| private boolean isSimIccReady() { |
| TelephonyManager tm = TelephonyManager.getDefault(); |
| final List<SubscriptionInfo> subInfoList = |
| mSubscriptionManager.getActiveSubscriptionInfoList(); |
| |
| if (subInfoList != null) { |
| for (SubscriptionInfo subInfo : subInfoList) { |
| if (tm.hasIccCard(subInfo.getSimSlotIndex())) { |
| return true; |
| } |
| } |
| } |
| |
| return false; |
| } |
| |
| /* Return true if a SIM is ready for locking. |
| * TODO: consider adding to TelephonyManager or SubscritpionManasger. |
| */ |
| private boolean isSimReady() { |
| int simState = TelephonyManager.SIM_STATE_UNKNOWN; |
| final List<SubscriptionInfo> subInfoList = |
| mSubscriptionManager.getActiveSubscriptionInfoList(); |
| if (subInfoList != null) { |
| for (SubscriptionInfo subInfo : subInfoList) { |
| simState = TelephonyManager.getDefault().getSimState(subInfo.getSimSlotIndex()); |
| if((simState != TelephonyManager.SIM_STATE_ABSENT) && |
| (simState != TelephonyManager.SIM_STATE_UNKNOWN)){ |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| private static ArrayList<TrustAgentComponentInfo> getActiveTrustAgents( |
| PackageManager pm, LockPatternUtils utils, DevicePolicyManager dpm) { |
| ArrayList<TrustAgentComponentInfo> result = new ArrayList<TrustAgentComponentInfo>(); |
| List<ResolveInfo> resolveInfos = pm.queryIntentServices(TRUST_AGENT_INTENT, |
| PackageManager.GET_META_DATA); |
| List<ComponentName> enabledTrustAgents = utils.getEnabledTrustAgents(MY_USER_ID); |
| |
| boolean disableTrustAgents = (dpm.getKeyguardDisabledFeatures(null) |
| & DevicePolicyManager.KEYGUARD_DISABLE_TRUST_AGENTS) != 0; |
| |
| if (enabledTrustAgents != null && !enabledTrustAgents.isEmpty()) { |
| for (int i = 0; i < resolveInfos.size(); i++) { |
| ResolveInfo resolveInfo = resolveInfos.get(i); |
| if (resolveInfo.serviceInfo == null) continue; |
| if (!TrustAgentUtils.checkProvidePermission(resolveInfo, pm)) continue; |
| TrustAgentComponentInfo trustAgentComponentInfo = |
| TrustAgentUtils.getSettingsComponent(pm, resolveInfo); |
| if (trustAgentComponentInfo.componentName == null || |
| !enabledTrustAgents.contains( |
| TrustAgentUtils.getComponentName(resolveInfo)) || |
| TextUtils.isEmpty(trustAgentComponentInfo.title)) continue; |
| if (disableTrustAgents && dpm.getTrustAgentConfiguration( |
| null, TrustAgentUtils.getComponentName(resolveInfo)) == null) { |
| trustAgentComponentInfo.disabledByAdministrator = true; |
| } |
| result.add(trustAgentComponentInfo); |
| if (ONLY_ONE_TRUST_AGENT) break; |
| } |
| } |
| return result; |
| } |
| |
| private boolean isNonMarketAppsAllowed() { |
| return Settings.Global.getInt(getContentResolver(), |
| Settings.Global.INSTALL_NON_MARKET_APPS, 0) > 0; |
| } |
| |
| private void setNonMarketAppsAllowed(boolean enabled) { |
| final UserManager um = (UserManager) getActivity().getSystemService(Context.USER_SERVICE); |
| if (um.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES)) { |
| return; |
| } |
| // Change the system setting |
| Settings.Global.putInt(getContentResolver(), Settings.Global.INSTALL_NON_MARKET_APPS, |
| enabled ? 1 : 0); |
| } |
| |
| private void warnAppInstallation() { |
| // TODO: DialogFragment? |
| mWarnInstallApps = new AlertDialog.Builder(getActivity()).setTitle( |
| getResources().getString(R.string.error_title)) |
| .setIcon(com.android.internal.R.drawable.ic_dialog_alert) |
| .setMessage(getResources().getString(R.string.install_all_warning)) |
| .setPositiveButton(android.R.string.yes, this) |
| .setNegativeButton(android.R.string.no, this) |
| .show(); |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| if (dialog == mWarnInstallApps) { |
| boolean turnOn = which == DialogInterface.BUTTON_POSITIVE; |
| setNonMarketAppsAllowed(turnOn); |
| if (mToggleAppInstallation != null) { |
| mToggleAppInstallation.setChecked(turnOn); |
| } |
| } |
| } |
| |
| @Override |
| public void onDestroy() { |
| super.onDestroy(); |
| if (mWarnInstallApps != null) { |
| mWarnInstallApps.dismiss(); |
| } |
| } |
| |
| private void setupLockAfterPreference() { |
| // Compatible with pre-Froyo |
| long currentTimeout = Settings.Secure.getLong(getContentResolver(), |
| Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 5000); |
| mLockAfter.setValue(String.valueOf(currentTimeout)); |
| mLockAfter.setOnPreferenceChangeListener(this); |
| final long adminTimeout = (mDPM != null ? mDPM.getMaximumTimeToLock(null) : 0); |
| final long displayTimeout = Math.max(0, |
| Settings.System.getInt(getContentResolver(), SCREEN_OFF_TIMEOUT, 0)); |
| if (adminTimeout > 0) { |
| // This setting is a slave to display timeout when a device policy is enforced. |
| // As such, maxLockTimeout = adminTimeout - displayTimeout. |
| // If there isn't enough time, shows "immediately" setting. |
| disableUnusableTimeouts(Math.max(0, adminTimeout - displayTimeout)); |
| } |
| } |
| |
| private void updateLockAfterPreferenceSummary() { |
| // Update summary message with current value |
| long currentTimeout = Settings.Secure.getLong(getContentResolver(), |
| Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, 5000); |
| final CharSequence[] entries = mLockAfter.getEntries(); |
| final CharSequence[] values = mLockAfter.getEntryValues(); |
| int best = 0; |
| for (int i = 0; i < values.length; i++) { |
| long timeout = Long.valueOf(values[i].toString()); |
| if (currentTimeout >= timeout) { |
| best = i; |
| } |
| } |
| |
| Preference preference = getPreferenceScreen().findPreference(KEY_TRUST_AGENT); |
| if (preference != null && preference.getTitle().length() > 0) { |
| if (Long.valueOf(values[best].toString()) == 0) { |
| mLockAfter.setSummary(getString(R.string.lock_immediately_summary_with_exception, |
| preference.getTitle())); |
| } else { |
| mLockAfter.setSummary(getString(R.string.lock_after_timeout_summary_with_exception, |
| entries[best], preference.getTitle())); |
| } |
| } else { |
| mLockAfter.setSummary(getString(R.string.lock_after_timeout_summary, entries[best])); |
| } |
| } |
| |
| private void disableUnusableTimeouts(long maxTimeout) { |
| final CharSequence[] entries = mLockAfter.getEntries(); |
| final CharSequence[] values = mLockAfter.getEntryValues(); |
| ArrayList<CharSequence> revisedEntries = new ArrayList<CharSequence>(); |
| ArrayList<CharSequence> revisedValues = new ArrayList<CharSequence>(); |
| for (int i = 0; i < values.length; i++) { |
| long timeout = Long.valueOf(values[i].toString()); |
| if (timeout <= maxTimeout) { |
| revisedEntries.add(entries[i]); |
| revisedValues.add(values[i]); |
| } |
| } |
| if (revisedEntries.size() != entries.length || revisedValues.size() != values.length) { |
| mLockAfter.setEntries( |
| revisedEntries.toArray(new CharSequence[revisedEntries.size()])); |
| mLockAfter.setEntryValues( |
| revisedValues.toArray(new CharSequence[revisedValues.size()])); |
| final int userPreference = Integer.valueOf(mLockAfter.getValue()); |
| if (userPreference <= maxTimeout) { |
| mLockAfter.setValue(String.valueOf(userPreference)); |
| } else { |
| // There will be no highlighted selection since nothing in the list matches |
| // maxTimeout. The user can still select anything less than maxTimeout. |
| // TODO: maybe append maxTimeout to the list and mark selected. |
| } |
| } |
| mLockAfter.setEnabled(revisedEntries.size() > 0); |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| if (mTrustAgentClickIntent != null) { |
| outState.putParcelable(TRUST_AGENT_CLICK_INTENT, mTrustAgentClickIntent); |
| } |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| |
| // Make sure we reload the preference hierarchy since some of these settings |
| // depend on others... |
| createPreferenceHierarchy(); |
| |
| final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils(); |
| if (mVisiblePattern != null) { |
| mVisiblePattern.setChecked(lockPatternUtils.isVisiblePatternEnabled( |
| MY_USER_ID)); |
| } |
| if (mPowerButtonInstantlyLocks != null) { |
| mPowerButtonInstantlyLocks.setChecked(lockPatternUtils.getPowerButtonInstantlyLocks( |
| MY_USER_ID)); |
| } |
| |
| if (mShowPassword != null) { |
| mShowPassword.setChecked(Settings.System.getInt(getContentResolver(), |
| Settings.System.TEXT_SHOW_PASSWORD, 1) != 0); |
| } |
| |
| if (mResetCredentials != null) { |
| mResetCredentials.setEnabled(!mKeyStore.isEmpty()); |
| } |
| |
| updateOwnerInfo(); |
| } |
| |
| public void updateOwnerInfo() { |
| if (mOwnerInfoPref != null) { |
| mOwnerInfoPref.setSummary(mLockPatternUtils.isOwnerInfoEnabled(MY_USER_ID) |
| ? mLockPatternUtils.getOwnerInfo(MY_USER_ID) |
| : getString(R.string.owner_info_settings_summary)); |
| } |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { |
| final String key = preference.getKey(); |
| if (KEY_UNLOCK_SET_OR_CHANGE.equals(key)) { |
| startFragment(this, "com.android.settings.ChooseLockGeneric$ChooseLockGenericFragment", |
| R.string.lock_settings_picker_title, SET_OR_CHANGE_LOCK_METHOD_REQUEST, null); |
| } else if (KEY_TRUST_AGENT.equals(key)) { |
| ChooseLockSettingsHelper helper = |
| new ChooseLockSettingsHelper(this.getActivity(), this); |
| mTrustAgentClickIntent = preference.getIntent(); |
| boolean confirmationLaunched = helper.launchConfirmationActivity( |
| CHANGE_TRUST_AGENT_SETTINGS, preference.getTitle()); |
| if (!confirmationLaunched&& mTrustAgentClickIntent != null) { |
| // If this returns false, it means no password confirmation is required. |
| startActivity(mTrustAgentClickIntent); |
| mTrustAgentClickIntent = null; |
| } |
| } else { |
| // If we didn't handle it, let preferences handle it. |
| return super.onPreferenceTreeClick(preferenceScreen, preference); |
| } |
| return true; |
| } |
| |
| /** |
| * see confirmPatternThenDisableAndClear |
| */ |
| @Override |
| public void onActivityResult(int requestCode, int resultCode, Intent data) { |
| super.onActivityResult(requestCode, resultCode, data); |
| if (requestCode == CHANGE_TRUST_AGENT_SETTINGS && resultCode == Activity.RESULT_OK) { |
| if (mTrustAgentClickIntent != null) { |
| startActivity(mTrustAgentClickIntent); |
| mTrustAgentClickIntent = null; |
| } |
| return; |
| } |
| createPreferenceHierarchy(); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object value) { |
| boolean result = true; |
| final String key = preference.getKey(); |
| final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils(); |
| if (KEY_LOCK_AFTER_TIMEOUT.equals(key)) { |
| int timeout = Integer.parseInt((String) value); |
| try { |
| Settings.Secure.putInt(getContentResolver(), |
| Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, timeout); |
| } catch (NumberFormatException e) { |
| Log.e("SecuritySettings", "could not persist lockAfter timeout setting", e); |
| } |
| updateLockAfterPreferenceSummary(); |
| } else if (KEY_VISIBLE_PATTERN.equals(key)) { |
| lockPatternUtils.setVisiblePatternEnabled((Boolean) value, MY_USER_ID); |
| } else if (KEY_POWER_INSTANTLY_LOCKS.equals(key)) { |
| mLockPatternUtils.setPowerButtonInstantlyLocks((Boolean) value, MY_USER_ID); |
| } else if (KEY_SHOW_PASSWORD.equals(key)) { |
| Settings.System.putInt(getContentResolver(), Settings.System.TEXT_SHOW_PASSWORD, |
| ((Boolean) value) ? 1 : 0); |
| lockPatternUtils.setVisiblePasswordEnabled((Boolean) value, MY_USER_ID); |
| } else if (KEY_TOGGLE_INSTALL_APPLICATIONS.equals(key)) { |
| if ((Boolean) value) { |
| mToggleAppInstallation.setChecked(false); |
| warnAppInstallation(); |
| // Don't change Switch status until user makes choice in dialog, so return false. |
| result = false; |
| } else { |
| setNonMarketAppsAllowed(false); |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| protected int getHelpResource() { |
| return R.string.help_url_security; |
| } |
| |
| /** |
| * For Search. Please keep it in sync when updating "createPreferenceHierarchy()" |
| */ |
| public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = |
| new SecuritySearchIndexProvider(); |
| |
| private static class SecuritySearchIndexProvider extends BaseSearchIndexProvider { |
| |
| @Override |
| public List<SearchIndexableResource> getXmlResourcesToIndex( |
| Context context, boolean enabled) { |
| |
| List<SearchIndexableResource> result = new ArrayList<SearchIndexableResource>(); |
| |
| LockPatternUtils lockPatternUtils = new LockPatternUtils(context); |
| // Add options for lock/unlock screen |
| int resId = getResIdForLockUnlockScreen(context, lockPatternUtils); |
| |
| SearchIndexableResource sir = new SearchIndexableResource(context); |
| sir.xmlResId = resId; |
| result.add(sir); |
| |
| final UserManager um = UserManager.get(context); |
| if (um.isAdminUser()) { |
| DevicePolicyManager dpm = (DevicePolicyManager) |
| context.getSystemService(Context.DEVICE_POLICY_SERVICE); |
| |
| switch (dpm.getStorageEncryptionStatus()) { |
| case DevicePolicyManager.ENCRYPTION_STATUS_ACTIVE: |
| // The device is currently encrypted. |
| resId = R.xml.security_settings_encrypted; |
| break; |
| case DevicePolicyManager.ENCRYPTION_STATUS_INACTIVE: |
| // This device supports encryption but isn't encrypted. |
| resId = R.xml.security_settings_unencrypted; |
| break; |
| } |
| |
| sir = new SearchIndexableResource(context); |
| sir.xmlResId = resId; |
| result.add(sir); |
| } |
| |
| // Append the rest of the settings |
| sir = new SearchIndexableResource(context); |
| sir.xmlResId = R.xml.security_settings_misc; |
| result.add(sir); |
| |
| return result; |
| } |
| |
| @Override |
| public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) { |
| final List<SearchIndexableRaw> result = new ArrayList<SearchIndexableRaw>(); |
| final Resources res = context.getResources(); |
| |
| final String screenTitle = res.getString(R.string.security_settings_title); |
| |
| SearchIndexableRaw data = new SearchIndexableRaw(context); |
| data.title = screenTitle; |
| data.screenTitle = screenTitle; |
| result.add(data); |
| |
| final UserManager um = UserManager.get(context); |
| if (!um.isAdminUser()) { |
| int resId = um.isLinkedUser() ? |
| R.string.profile_info_settings_title : R.string.user_info_settings_title; |
| |
| data = new SearchIndexableRaw(context); |
| data.title = res.getString(resId); |
| data.screenTitle = screenTitle; |
| result.add(data); |
| } |
| |
| // Fingerprint |
| FingerprintManager fpm = |
| (FingerprintManager) context.getSystemService(Context.FINGERPRINT_SERVICE); |
| if (fpm.isHardwareDetected()) { |
| // This catches the title which can be overloaded in an overlay |
| data = new SearchIndexableRaw(context); |
| data.title = res.getString(R.string.security_settings_fingerprint_preference_title); |
| data.screenTitle = screenTitle; |
| result.add(data); |
| // Fallback for when the above doesn't contain "fingerprint" |
| data = new SearchIndexableRaw(context); |
| data.title = res.getString(R.string.fingerprint_manage_category_title); |
| data.screenTitle = screenTitle; |
| result.add(data); |
| } |
| |
| // Credential storage |
| if (!um.hasUserRestriction(UserManager.DISALLOW_CONFIG_CREDENTIALS)) { |
| KeyStore keyStore = KeyStore.getInstance(); |
| |
| final int storageSummaryRes = keyStore.isHardwareBacked() ? |
| R.string.credential_storage_type_hardware : |
| R.string.credential_storage_type_software; |
| |
| data = new SearchIndexableRaw(context); |
| data.title = res.getString(storageSummaryRes); |
| data.screenTitle = screenTitle; |
| result.add(data); |
| } |
| |
| // Advanced |
| final LockPatternUtils lockPatternUtils = new LockPatternUtils(context); |
| if (lockPatternUtils.isSecure(MY_USER_ID)) { |
| ArrayList<TrustAgentComponentInfo> agents = |
| getActiveTrustAgents(context.getPackageManager(), lockPatternUtils, |
| context.getSystemService(DevicePolicyManager.class)); |
| for (int i = 0; i < agents.size(); i++) { |
| final TrustAgentComponentInfo agent = agents.get(i); |
| data = new SearchIndexableRaw(context); |
| data.title = agent.title; |
| data.screenTitle = screenTitle; |
| result.add(data); |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| public List<String> getNonIndexableKeys(Context context) { |
| final List<String> keys = new ArrayList<String>(); |
| |
| LockPatternUtils lockPatternUtils = new LockPatternUtils(context); |
| |
| // Do not display SIM lock for devices without an Icc card |
| final UserManager um = UserManager.get(context); |
| final TelephonyManager tm = TelephonyManager.from(context); |
| if (!um.isAdminUser() || !tm.hasIccCard()) { |
| keys.add(KEY_SIM_LOCK); |
| } |
| |
| if (um.hasUserRestriction(UserManager.DISALLOW_CONFIG_CREDENTIALS)) { |
| keys.add(KEY_CREDENTIALS_MANAGER); |
| } |
| |
| // TrustAgent settings disappear when the user has no primary security. |
| if (!lockPatternUtils.isSecure(MY_USER_ID)) { |
| keys.add(KEY_TRUST_AGENT); |
| keys.add(KEY_MANAGE_TRUST_AGENTS); |
| } |
| |
| return keys; |
| } |
| } |
| |
| } |