02cf71a591
Also fix: 2997438 and a similar bug in Tether Settings Show + menu item for User Dictionary
755 lines
32 KiB
Java
755 lines
32 KiB
Java
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
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import com.android.internal.widget.LockPatternUtils;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.admin.DevicePolicyManager;
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import android.content.ContentQueryMap;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.database.Cursor;
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import android.location.LocationManager;
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import android.os.Bundle;
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import android.os.SystemProperties;
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import android.preference.CheckBoxPreference;
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import android.preference.ListPreference;
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import android.preference.Preference;
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import android.preference.PreferenceCategory;
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import android.preference.PreferenceManager;
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import android.preference.PreferenceScreen;
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import android.preference.Preference.OnPreferenceChangeListener;
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import android.provider.Settings;
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import android.security.Credentials;
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import android.security.KeyStore;
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import android.telephony.TelephonyManager;
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import android.util.Log;
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import android.view.View;
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import android.widget.TextView;
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import android.widget.Toast;
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import java.util.ArrayList;
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import java.util.Observable;
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import java.util.Observer;
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/**
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* Gesture lock pattern settings.
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*/
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public class SecuritySettings extends SettingsPreferenceFragment
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implements OnPreferenceChangeListener {
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private static final String KEY_UNLOCK_SET_OR_CHANGE = "unlock_set_or_change";
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// Lock Settings
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private static final String PACKAGE = "com.android.settings";
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private static final String ICC_LOCK_SETTINGS = PACKAGE + ".IccLockSettings";
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private static final String KEY_LOCK_ENABLED = "lockenabled";
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private static final String KEY_VISIBLE_PATTERN = "visiblepattern";
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private static final String KEY_TACTILE_FEEDBACK_ENABLED = "unlock_tactile_feedback";
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// Encrypted File Systems constants
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private static final String PROPERTY_EFS_ENABLED = "persist.security.efs.enabled";
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private static final String PROPERTY_EFS_TRANSITION = "persist.security.efs.trans";
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private CheckBoxPreference mVisiblePattern;
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private CheckBoxPreference mTactileFeedback;
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private CheckBoxPreference mShowPassword;
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// Location Settings
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private static final String LOCATION_NETWORK = "location_network";
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private static final String LOCATION_GPS = "location_gps";
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private static final String ASSISTED_GPS = "assisted_gps";
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private static final String LOCK_AFTER_TIMEOUT_KEY = "lock_after_timeout";
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private static final int SET_OR_CHANGE_LOCK_METHOD_REQUEST = 123;
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private static final int FALLBACK_LOCK_AFTER_TIMEOUT_VALUE = 5000; // compatible with pre-Froyo
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// Credential storage
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private CredentialStorage mCredentialStorage = new CredentialStorage();
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// Encrypted file system
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private CheckBoxPreference mEncryptedFSEnabled;
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private CheckBoxPreference mNetwork;
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private CheckBoxPreference mGps;
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private CheckBoxPreference mAssistedGps;
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DevicePolicyManager mDPM;
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// These provide support for receiving notification when Location Manager settings change.
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// This is necessary because the Network Location Provider can change settings
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// if the user does not confirm enabling the provider.
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private ContentQueryMap mContentQueryMap;
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private ChooseLockSettingsHelper mChooseLockSettingsHelper;
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private LockPatternUtils mLockPatternUtils;
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private ListPreference mLockAfter;
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private SettingsObserver mSettingsObserver;
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private final class SettingsObserver implements Observer {
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public void update(Observable o, Object arg) {
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updateToggles();
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}
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mLockPatternUtils = new LockPatternUtils(getActivity());
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mDPM = (DevicePolicyManager)getSystemService(Context.DEVICE_POLICY_SERVICE);
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mChooseLockSettingsHelper = new ChooseLockSettingsHelper(getActivity());
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createPreferenceHierarchy();
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updateToggles();
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}
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@Override
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public void onStart() {
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super.onStart();
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// listen for Location Manager settings changes
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Cursor settingsCursor = getContentResolver().query(Settings.Secure.CONTENT_URI, null,
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"(" + Settings.System.NAME + "=?)",
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new String[]{Settings.Secure.LOCATION_PROVIDERS_ALLOWED},
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null);
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mContentQueryMap = new ContentQueryMap(settingsCursor, Settings.System.NAME, true, null);
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mContentQueryMap.addObserver(mSettingsObserver = new SettingsObserver());
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}
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@Override
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public void onStop() {
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super.onStop();
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mContentQueryMap.deleteObserver(mSettingsObserver);
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}
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private PreferenceScreen createPreferenceHierarchy() {
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PreferenceScreen root = this.getPreferenceScreen();
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if (root != null) {
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root.removeAll();
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}
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addPreferencesFromResource(R.xml.security_settings);
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root = this.getPreferenceScreen();
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mNetwork = (CheckBoxPreference) getPreferenceScreen().findPreference(LOCATION_NETWORK);
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mGps = (CheckBoxPreference) getPreferenceScreen().findPreference(LOCATION_GPS);
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mAssistedGps = (CheckBoxPreference) getPreferenceScreen().findPreference(ASSISTED_GPS);
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PreferenceManager pm = getPreferenceManager();
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// Lock screen
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if (!mLockPatternUtils.isSecure()) {
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addPreferencesFromResource(R.xml.security_settings_chooser);
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} else {
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switch (mLockPatternUtils.getKeyguardStoredPasswordQuality()) {
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case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING:
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addPreferencesFromResource(R.xml.security_settings_pattern);
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break;
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case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC:
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addPreferencesFromResource(R.xml.security_settings_pin);
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break;
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case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC:
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case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC:
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case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX:
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addPreferencesFromResource(R.xml.security_settings_password);
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break;
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}
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}
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// lock after preference
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mLockAfter = setupLockAfterPreference(pm);
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// visible pattern
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mVisiblePattern = (CheckBoxPreference) pm.findPreference(KEY_VISIBLE_PATTERN);
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// tactile feedback. Should be common to all unlock preference screens.
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mTactileFeedback = (CheckBoxPreference) pm.findPreference(KEY_TACTILE_FEEDBACK_ENABLED);
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int activePhoneType = TelephonyManager.getDefault().getPhoneType();
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// do not display SIM lock for CDMA phone
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if (TelephonyManager.PHONE_TYPE_CDMA != activePhoneType)
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{
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PreferenceScreen simLockPreferences = getPreferenceManager()
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.createPreferenceScreen(getActivity());
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simLockPreferences.setTitle(R.string.sim_lock_settings_category);
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// Intent to launch SIM lock settings
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simLockPreferences.setIntent(new Intent().setClassName(PACKAGE, ICC_LOCK_SETTINGS));
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PreferenceCategory simLockCat = new PreferenceCategory(getActivity());
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simLockCat.setTitle(R.string.sim_lock_settings_title);
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root.addPreference(simLockCat);
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simLockCat.addPreference(simLockPreferences);
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}
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// Passwords
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PreferenceCategory passwordsCat = new PreferenceCategory(getActivity());
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passwordsCat.setTitle(R.string.security_passwords_title);
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root.addPreference(passwordsCat);
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CheckBoxPreference showPassword = mShowPassword = new CheckBoxPreference(getActivity());
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showPassword.setKey("show_password");
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showPassword.setTitle(R.string.show_password);
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showPassword.setSummary(R.string.show_password_summary);
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showPassword.setPersistent(false);
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passwordsCat.addPreference(showPassword);
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// Device policies
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PreferenceCategory devicePoliciesCat = new PreferenceCategory(getActivity());
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devicePoliciesCat.setTitle(R.string.device_admin_title);
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root.addPreference(devicePoliciesCat);
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Preference deviceAdminButton = new Preference(getActivity());
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deviceAdminButton.setTitle(R.string.manage_device_admin);
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deviceAdminButton.setSummary(R.string.manage_device_admin_summary);
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Intent deviceAdminIntent = new Intent();
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deviceAdminIntent.setClass(getActivity(), DeviceAdminSettings.class);
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deviceAdminButton.setIntent(deviceAdminIntent);
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devicePoliciesCat.addPreference(deviceAdminButton);
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// Credential storage
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PreferenceCategory credentialsCat = new PreferenceCategory(getActivity());
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credentialsCat.setTitle(R.string.credentials_category);
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root.addPreference(credentialsCat);
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mCredentialStorage.createPreferences(credentialsCat, CredentialStorage.TYPE_KEYSTORE);
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// File System Encryption
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PreferenceCategory encryptedfsCat = new PreferenceCategory(getActivity());
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encryptedfsCat.setTitle(R.string.encrypted_fs_category);
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//root.addPreference(encryptedfsCat);
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mCredentialStorage.createPreferences(encryptedfsCat, CredentialStorage.TYPE_ENCRYPTEDFS);
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return root;
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}
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private ListPreference setupLockAfterPreference(PreferenceManager pm) {
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ListPreference result = (ListPreference) pm.findPreference(LOCK_AFTER_TIMEOUT_KEY);
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if (result != null) {
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int lockAfterValue = Settings.Secure.getInt(getContentResolver(),
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Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT,
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FALLBACK_LOCK_AFTER_TIMEOUT_VALUE);
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result.setValue(String.valueOf(lockAfterValue));
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result.setOnPreferenceChangeListener(this);
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final long adminTimeout = mDPM != null ? mDPM.getMaximumTimeToLock(null) : 0;
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final ContentResolver cr = getContentResolver();
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final long displayTimeout = Math.max(0,
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Settings.System.getInt(cr, SCREEN_OFF_TIMEOUT, 0));
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if (adminTimeout > 0) {
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// This setting is a slave to display timeout when a device policy is enforced.
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// As such, maxLockTimeout = adminTimeout - displayTimeout.
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// If there isn't enough time, shows "immediately" setting.
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disableUnusableTimeouts(result, Math.max(0, adminTimeout - displayTimeout));
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}
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}
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return result;
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}
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private static void disableUnusableTimeouts(ListPreference pref, long maxTimeout) {
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final CharSequence[] entries = pref.getEntries();
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final CharSequence[] values = pref.getEntryValues();
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ArrayList<CharSequence> revisedEntries = new ArrayList<CharSequence>();
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ArrayList<CharSequence> revisedValues = new ArrayList<CharSequence>();
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for (int i = 0; i < values.length; i++) {
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long timeout = Long.valueOf(values[i].toString());
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if (timeout <= maxTimeout) {
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revisedEntries.add(entries[i]);
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revisedValues.add(values[i]);
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}
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}
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if (revisedEntries.size() != entries.length || revisedValues.size() != values.length) {
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pref.setEntries(
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revisedEntries.toArray(new CharSequence[revisedEntries.size()]));
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pref.setEntryValues(
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revisedValues.toArray(new CharSequence[revisedValues.size()]));
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final int userPreference = Integer.valueOf(pref.getValue());
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if (userPreference <= maxTimeout) {
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pref.setValue(String.valueOf(userPreference));
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} else {
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// There will be no highlighted selection since nothing in the list matches
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// maxTimeout. The user can still select anything less than maxTimeout.
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// TODO: maybe append maxTimeout to the list and mark selected.
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}
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}
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pref.setEnabled(revisedEntries.size() > 0);
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}
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@Override
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public void onResume() {
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super.onResume();
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// Make sure we reload the preference hierarchy since some of these settings
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// depend on others...
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createPreferenceHierarchy();
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final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils();
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if (mVisiblePattern != null) {
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mVisiblePattern.setChecked(lockPatternUtils.isVisiblePatternEnabled());
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}
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if (mTactileFeedback != null) {
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mTactileFeedback.setChecked(lockPatternUtils.isTactileFeedbackEnabled());
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}
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mShowPassword.setChecked(Settings.System.getInt(getContentResolver(),
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Settings.System.TEXT_SHOW_PASSWORD, 1) != 0);
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mCredentialStorage.resume();
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}
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@Override
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public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
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Preference preference) {
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final String key = preference.getKey();
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final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils();
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if (KEY_UNLOCK_SET_OR_CHANGE.equals(key)) {
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Intent intent = new Intent(getActivity(), ChooseLockGeneric.class);
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startActivityForResult(intent, SET_OR_CHANGE_LOCK_METHOD_REQUEST);
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} else if (KEY_LOCK_ENABLED.equals(key)) {
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lockPatternUtils.setLockPatternEnabled(isToggled(preference));
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} else if (KEY_VISIBLE_PATTERN.equals(key)) {
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lockPatternUtils.setVisiblePatternEnabled(isToggled(preference));
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} else if (KEY_TACTILE_FEEDBACK_ENABLED.equals(key)) {
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lockPatternUtils.setTactileFeedbackEnabled(isToggled(preference));
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} else if (preference == mShowPassword) {
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Settings.System.putInt(getContentResolver(), Settings.System.TEXT_SHOW_PASSWORD,
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mShowPassword.isChecked() ? 1 : 0);
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} else if (preference == mNetwork) {
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Settings.Secure.setLocationProviderEnabled(getContentResolver(),
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LocationManager.NETWORK_PROVIDER, mNetwork.isChecked());
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} else if (preference == mGps) {
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boolean enabled = mGps.isChecked();
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Settings.Secure.setLocationProviderEnabled(getContentResolver(),
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LocationManager.GPS_PROVIDER, enabled);
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if (mAssistedGps != null) {
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mAssistedGps.setEnabled(enabled);
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}
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} else if (preference == mAssistedGps) {
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Settings.Secure.putInt(getContentResolver(), Settings.Secure.ASSISTED_GPS_ENABLED,
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mAssistedGps.isChecked() ? 1 : 0);
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}
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return false;
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}
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/*
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* Creates toggles for each available location provider
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*/
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private void updateToggles() {
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ContentResolver res = getContentResolver();
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boolean gpsEnabled = Settings.Secure.isLocationProviderEnabled(
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res, LocationManager.GPS_PROVIDER);
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mNetwork.setChecked(Settings.Secure.isLocationProviderEnabled(
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res, LocationManager.NETWORK_PROVIDER));
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mGps.setChecked(gpsEnabled);
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if (mAssistedGps != null) {
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mAssistedGps.setChecked(Settings.Secure.getInt(res,
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Settings.Secure.ASSISTED_GPS_ENABLED, 2) == 1);
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mAssistedGps.setEnabled(gpsEnabled);
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}
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}
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private boolean isToggled(Preference pref) {
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return ((CheckBoxPreference) pref).isChecked();
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}
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/**
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* @see #confirmPatternThenDisableAndClear
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*/
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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super.onActivityResult(requestCode, resultCode, data);
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createPreferenceHierarchy();
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}
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private class CredentialStorage implements DialogInterface.OnClickListener,
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DialogInterface.OnDismissListener, Preference.OnPreferenceChangeListener,
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Preference.OnPreferenceClickListener {
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private static final int MINIMUM_PASSWORD_LENGTH = 8;
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private static final int TYPE_KEYSTORE = 0;
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private static final int TYPE_ENCRYPTEDFS = 1;
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// Dialog identifiers
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private static final int DLG_BASE = 0;
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private static final int DLG_UNLOCK = DLG_BASE + 1;
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private static final int DLG_PASSWORD = DLG_UNLOCK + 1;
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private static final int DLG_RESET = DLG_PASSWORD + 1;
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private static final int DLG_ENABLE_EFS = DLG_RESET + 1;
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private KeyStore mKeyStore = KeyStore.getInstance();
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private int mState;
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private boolean mSubmit = false;
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private boolean mExternal = false;
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private boolean mWillEnableEncryptedFS;
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private int mShowingDialog = 0;
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// Key Store controls
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private CheckBoxPreference mAccessCheckBox;
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private Preference mInstallButton;
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private Preference mPasswordButton;
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private Preference mResetButton;
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// Encrypted file system controls
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private CheckBoxPreference mEncryptedFSEnabled;
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void resume() {
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mState = mKeyStore.test();
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updatePreferences(mState);
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Intent intent = getActivity().getIntent();
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if (!mExternal && intent != null &&
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Credentials.UNLOCK_ACTION.equals(intent.getAction())) {
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mExternal = true;
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if (mState == KeyStore.UNINITIALIZED) {
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showPasswordDialog();
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} else if (mState == KeyStore.LOCKED) {
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showUnlockDialog();
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} else {
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// TODO: Verify if this is the right way
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SecuritySettings.this.getFragmentManager().popBackStack();
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}
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}
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}
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private void initialize(String password) {
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mKeyStore.password(password);
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updatePreferences(KeyStore.NO_ERROR);
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}
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private void reset() {
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mKeyStore.reset();
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updatePreferences(KeyStore.UNINITIALIZED);
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}
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private void lock() {
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mKeyStore.lock();
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updatePreferences(KeyStore.LOCKED);
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}
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private int unlock(String password) {
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mKeyStore.unlock(password);
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return mKeyStore.getLastError();
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}
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private int changePassword(String oldPassword, String newPassword) {
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mKeyStore.password(oldPassword, newPassword);
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return mKeyStore.getLastError();
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}
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public boolean onPreferenceChange(Preference preference, Object value) {
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if (preference == mAccessCheckBox) {
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if ((Boolean) value) {
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showUnlockDialog();
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} else {
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lock();
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}
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return true;
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} else if (preference == mEncryptedFSEnabled) {
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Boolean bval = (Boolean)value;
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mWillEnableEncryptedFS = bval.booleanValue();
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showSwitchEncryptedFSDialog();
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}
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return true;
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}
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public boolean onPreferenceClick(Preference preference) {
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if (preference == mInstallButton) {
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Credentials.getInstance().installFromSdCard(SecuritySettings.this.getActivity());
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} else if (preference == mPasswordButton) {
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showPasswordDialog();
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} else if (preference == mResetButton) {
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showResetDialog();
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} else {
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return false;
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}
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return true;
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}
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public void onClick(DialogInterface dialog, int button) {
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if (mShowingDialog != DLG_ENABLE_EFS) {
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mSubmit = (button == DialogInterface.BUTTON_POSITIVE);
|
|
if (button == DialogInterface.BUTTON_NEUTRAL) {
|
|
reset();
|
|
}
|
|
} else {
|
|
if (button == DialogInterface.BUTTON_POSITIVE) {
|
|
Intent intent = new Intent("android.intent.action.MASTER_CLEAR");
|
|
intent.putExtra("enableEFS", mWillEnableEncryptedFS);
|
|
getActivity().sendBroadcast(intent);
|
|
updatePreferences(mState);
|
|
} else if (button == DialogInterface.BUTTON_NEGATIVE) {
|
|
// Cancel action
|
|
Toast.makeText(SecuritySettings.this.getActivity(),
|
|
R.string.encrypted_fs_cancel_confirm,
|
|
Toast.LENGTH_SHORT).show();
|
|
updatePreferences(mState);
|
|
} else {
|
|
// Unknown - should not happen
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
public void onDismiss(DialogInterface dialog) {
|
|
// TODO:
|
|
//if (mSubmit && !isFinishing()) {
|
|
|
|
if (mSubmit) {
|
|
mSubmit = false;
|
|
if (!checkPassword((Dialog) dialog)) {
|
|
((Dialog) dialog).show();
|
|
return;
|
|
}
|
|
}
|
|
updatePreferences(mState);
|
|
if (mExternal) {
|
|
// TODO:
|
|
// finish();
|
|
}
|
|
}
|
|
|
|
// Return true if there is no error.
|
|
private boolean checkPassword(Dialog dialog) {
|
|
String oldPassword = getText(dialog, R.id.old_password);
|
|
String newPassword = getText(dialog, R.id.new_password);
|
|
String confirmPassword = getText(dialog, R.id.confirm_password);
|
|
|
|
if (oldPassword != null && oldPassword.length() == 0) {
|
|
showError(dialog, R.string.credentials_password_empty);
|
|
return false;
|
|
} else if (newPassword == null) {
|
|
return !checkError(dialog, unlock(oldPassword));
|
|
} else if (newPassword.length() == 0 || confirmPassword.length() == 0) {
|
|
showError(dialog, R.string.credentials_passwords_empty);
|
|
} else if (newPassword.length() < MINIMUM_PASSWORD_LENGTH) {
|
|
showError(dialog, R.string.credentials_password_too_short);
|
|
} else if (!newPassword.equals(confirmPassword)) {
|
|
showError(dialog, R.string.credentials_passwords_mismatch);
|
|
} else if (oldPassword == null) {
|
|
initialize(newPassword);
|
|
return true;
|
|
} else {
|
|
return !checkError(dialog, changePassword(oldPassword, newPassword));
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// Return false if there is no error.
|
|
private boolean checkError(Dialog dialog, int error) {
|
|
if (error == KeyStore.NO_ERROR) {
|
|
updatePreferences(KeyStore.NO_ERROR);
|
|
return false;
|
|
}
|
|
if (error == KeyStore.UNINITIALIZED) {
|
|
updatePreferences(KeyStore.UNINITIALIZED);
|
|
return false;
|
|
}
|
|
if (error < KeyStore.WRONG_PASSWORD) {
|
|
return false;
|
|
}
|
|
int count = error - KeyStore.WRONG_PASSWORD + 1;
|
|
if (count > 3) {
|
|
showError(dialog, R.string.credentials_wrong_password);
|
|
} else if (count == 1) {
|
|
showError(dialog, R.string.credentials_reset_warning);
|
|
} else {
|
|
showError(dialog, R.string.credentials_reset_warning_plural, count);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private String getText(Dialog dialog, int viewId) {
|
|
TextView view = (TextView) dialog.findViewById(viewId);
|
|
return (view == null || view.getVisibility() == View.GONE) ? null :
|
|
view.getText().toString();
|
|
}
|
|
|
|
private void showError(Dialog dialog, int stringId, Object... formatArgs) {
|
|
TextView view = (TextView) dialog.findViewById(R.id.error);
|
|
if (view != null) {
|
|
if (formatArgs == null || formatArgs.length == 0) {
|
|
view.setText(stringId);
|
|
} else {
|
|
view.setText(dialog.getContext().getString(stringId, formatArgs));
|
|
}
|
|
view.setVisibility(View.VISIBLE);
|
|
}
|
|
}
|
|
|
|
private void createPreferences(PreferenceCategory category, int type) {
|
|
switch(type) {
|
|
case TYPE_KEYSTORE:
|
|
mAccessCheckBox = new CheckBoxPreference(SecuritySettings.this.getActivity());
|
|
mAccessCheckBox.setTitle(R.string.credentials_access);
|
|
mAccessCheckBox.setSummary(R.string.credentials_access_summary);
|
|
mAccessCheckBox.setOnPreferenceChangeListener(this);
|
|
category.addPreference(mAccessCheckBox);
|
|
|
|
mInstallButton = new Preference(SecuritySettings.this.getActivity());
|
|
mInstallButton.setTitle(R.string.credentials_install_certificates);
|
|
mInstallButton.setSummary(R.string.credentials_install_certificates_summary);
|
|
mInstallButton.setOnPreferenceClickListener(this);
|
|
category.addPreference(mInstallButton);
|
|
|
|
mPasswordButton = new Preference(SecuritySettings.this.getActivity());
|
|
mPasswordButton.setTitle(R.string.credentials_set_password);
|
|
mPasswordButton.setSummary(R.string.credentials_set_password_summary);
|
|
mPasswordButton.setOnPreferenceClickListener(this);
|
|
category.addPreference(mPasswordButton);
|
|
|
|
mResetButton = new Preference(SecuritySettings.this.getActivity());
|
|
mResetButton.setTitle(R.string.credentials_reset);
|
|
mResetButton.setSummary(R.string.credentials_reset_summary);
|
|
mResetButton.setOnPreferenceClickListener(this);
|
|
category.addPreference(mResetButton);
|
|
break;
|
|
|
|
case TYPE_ENCRYPTEDFS:
|
|
mEncryptedFSEnabled = new CheckBoxPreference(SecuritySettings.this
|
|
.getActivity());
|
|
mEncryptedFSEnabled.setTitle(R.string.encrypted_fs_enable);
|
|
mEncryptedFSEnabled.setSummary(R.string.encrypted_fs_enable_summary);
|
|
mEncryptedFSEnabled.setOnPreferenceChangeListener(this);
|
|
// category.addPreference(mEncryptedFSEnabled);
|
|
break;
|
|
}
|
|
}
|
|
|
|
private void updatePreferences(int state) {
|
|
mAccessCheckBox.setChecked(state == KeyStore.NO_ERROR);
|
|
boolean encFSEnabled = SystemProperties.getBoolean(PROPERTY_EFS_ENABLED,
|
|
false);
|
|
mResetButton.setEnabled((!encFSEnabled) && (state != KeyStore.UNINITIALIZED));
|
|
mAccessCheckBox.setEnabled((state != KeyStore.UNINITIALIZED) && (!encFSEnabled));
|
|
|
|
// Encrypted File system preferences
|
|
mEncryptedFSEnabled.setChecked(encFSEnabled);
|
|
|
|
// Show a toast message if the state is changed.
|
|
if (mState == state) {
|
|
return;
|
|
} else if (state == KeyStore.NO_ERROR) {
|
|
Toast.makeText(SecuritySettings.this.getActivity(), R.string.credentials_enabled,
|
|
Toast.LENGTH_SHORT).show();
|
|
} else if (state == KeyStore.UNINITIALIZED) {
|
|
Toast.makeText(SecuritySettings.this.getActivity(), R.string.credentials_erased,
|
|
Toast.LENGTH_SHORT).show();
|
|
} else if (state == KeyStore.LOCKED) {
|
|
Toast.makeText(SecuritySettings.this.getActivity(), R.string.credentials_disabled,
|
|
Toast.LENGTH_SHORT).show();
|
|
}
|
|
mState = state;
|
|
}
|
|
|
|
private void showUnlockDialog() {
|
|
View view = View.inflate(SecuritySettings.this.getActivity(),
|
|
R.layout.credentials_unlock_dialog, null);
|
|
|
|
// Show extra hint only when the action comes from outside.
|
|
if (mExternal) {
|
|
view.findViewById(R.id.hint).setVisibility(View.VISIBLE);
|
|
}
|
|
|
|
Dialog dialog = new AlertDialog.Builder(SecuritySettings.this.getActivity())
|
|
.setView(view)
|
|
.setTitle(R.string.credentials_unlock)
|
|
.setPositiveButton(android.R.string.ok, this)
|
|
.setNegativeButton(android.R.string.cancel, this)
|
|
.create();
|
|
dialog.setOnDismissListener(this);
|
|
mShowingDialog = DLG_UNLOCK;
|
|
dialog.show();
|
|
}
|
|
|
|
private void showPasswordDialog() {
|
|
View view = View.inflate(SecuritySettings.this.getActivity(),
|
|
R.layout.credentials_password_dialog, null);
|
|
|
|
if (mState == KeyStore.UNINITIALIZED) {
|
|
view.findViewById(R.id.hint).setVisibility(View.VISIBLE);
|
|
} else {
|
|
view.findViewById(R.id.old_password_prompt).setVisibility(View.VISIBLE);
|
|
view.findViewById(R.id.old_password).setVisibility(View.VISIBLE);
|
|
}
|
|
|
|
Dialog dialog = new AlertDialog.Builder(SecuritySettings.this.getActivity())
|
|
.setView(view)
|
|
.setTitle(R.string.credentials_set_password)
|
|
.setPositiveButton(android.R.string.ok, this)
|
|
.setNegativeButton(android.R.string.cancel, this)
|
|
.create();
|
|
dialog.setOnDismissListener(this);
|
|
mShowingDialog = DLG_PASSWORD;
|
|
dialog.show();
|
|
}
|
|
|
|
private void showResetDialog() {
|
|
mShowingDialog = DLG_RESET;
|
|
new AlertDialog.Builder(SecuritySettings.this.getActivity())
|
|
.setTitle(android.R.string.dialog_alert_title)
|
|
.setIcon(android.R.drawable.ic_dialog_alert)
|
|
.setMessage(R.string.credentials_reset_hint)
|
|
.setNeutralButton(getResources().getString(android.R.string.ok), this)
|
|
.setNegativeButton(getResources().getString(android.R.string.cancel), this)
|
|
.create().show();
|
|
}
|
|
|
|
private void showSwitchEncryptedFSDialog() {
|
|
AlertDialog.Builder builder = new AlertDialog.Builder(SecuritySettings.this
|
|
.getActivity())
|
|
.setCancelable(false)
|
|
.setTitle(R.string.encrypted_fs_alert_dialog_title);
|
|
|
|
mShowingDialog = DLG_ENABLE_EFS;
|
|
if (mWillEnableEncryptedFS) {
|
|
builder.setMessage(R.string.encrypted_fs_enable_dialog)
|
|
.setPositiveButton(R.string.encrypted_fs_enable_button, this)
|
|
.setNegativeButton(R.string.encrypted_fs_cancel_button, this)
|
|
.create().show();
|
|
} else {
|
|
builder.setMessage(R.string.encrypted_fs_disable_dialog)
|
|
.setPositiveButton(R.string.encrypted_fs_disable_button, this)
|
|
.setNegativeButton(R.string.encrypted_fs_cancel_button, this)
|
|
.create().show();
|
|
}
|
|
}
|
|
}
|
|
|
|
public boolean onPreferenceChange(Preference preference, Object value) {
|
|
if (preference == mLockAfter) {
|
|
int lockAfter = Integer.parseInt((String) value);
|
|
try {
|
|
Settings.Secure.putInt(getContentResolver(),
|
|
Settings.Secure.LOCK_SCREEN_LOCK_AFTER_TIMEOUT, lockAfter);
|
|
} catch (NumberFormatException e) {
|
|
Log.e("SecuritySettings", "could not persist lockAfter timeout setting", e);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
}
|