CryptKeeper.java revision fb3d5cad48876dbd366fd8b562529d355d2428db
18fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks/* 28fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * Copyright (C) 2011 The Android Open Source Project 38fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * 48fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * Licensed under the Apache License, Version 2.0 (the "License"); 58fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * you may not use this file except in compliance with the License. 68fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * You may obtain a copy of the License at 78fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * 88fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * http://www.apache.org/licenses/LICENSE-2.0 98fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * 108fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * Unless required by applicable law or agreed to in writing, software 118fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * distributed under the License is distributed on an "AS IS" BASIS, 128fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * See the License for the specific language governing permissions and 148fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks * limitations under the License. 158fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks */ 168fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 178fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parkspackage com.android.settings; 188fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 198fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.app.Activity; 208fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.app.StatusBarManager; 218fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.content.ComponentName; 228fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.content.Context; 23ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.content.Intent; 248fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.content.pm.PackageManager; 25de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwalimport android.media.AudioManager; 2606c5ff4a46686d3f599e40df0768177d3d88913cJason parksimport android.os.AsyncTask; 278fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.Bundle; 28ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.os.Handler; 298fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.IBinder; 30ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.os.Message; 3135933812b16f0b4221280bbcc3c32f6540996bf2Jason parksimport android.os.PowerManager; 328373b451692a39abdfd12444241c016831e1a4a4David Brownimport android.os.RemoteException; 338fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.ServiceManager; 348fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.SystemProperties; 356a5929b086a61a955a4a2f43f5fa251e8754ff4aChristopher Tateimport android.os.UserHandle; 368fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.storage.IMountService; 376ebbd30e18ca514ca9ee87ffa428c55c9fd92a8cVikram Aggarwalimport android.provider.Settings; 388373b451692a39abdfd12444241c016831e1a4a4David Brownimport android.telephony.TelephonyManager; 39d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.text.Editable; 40ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.text.TextUtils; 41d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.text.TextWatcher; 428fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.util.Log; 438fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.view.KeyEvent; 44d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.view.MotionEvent; 4513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.view.View; 46fb3d5cad48876dbd366fd8b562529d355d2428dbJim Millerimport android.view.WindowManager; 4713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.view.View.OnClickListener; 48d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.view.View.OnKeyListener; 49d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.view.View.OnTouchListener; 508fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.view.inputmethod.EditorInfo; 519fcb6a7fac02aef85085c2db616556257e1642f5Ben Komaloimport android.view.inputmethod.InputMethodInfo; 5275c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parksimport android.view.inputmethod.InputMethodManager; 539fcb6a7fac02aef85085c2db616556257e1642f5Ben Komaloimport android.view.inputmethod.InputMethodSubtype; 5413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.widget.Button; 55ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.widget.EditText; 56ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.widget.ProgressBar; 578fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.widget.TextView; 588fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 59bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwalimport com.android.internal.statusbar.StatusBarIcon; 6091a2f0566afb91549cbda9289b516154a6467624Ben Komaloimport com.android.internal.telephony.ITelephony; 61ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwalimport com.android.internal.telephony.Phone; 625543404ae0ec9635b59d37fa01074ea598d539ebWink Savilleimport com.android.internal.telephony.PhoneConstants; 639fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 649fcb6a7fac02aef85085c2db616556257e1642f5Ben Komaloimport java.util.List; 6591a2f0566afb91549cbda9289b516154a6467624Ben Komalo 6691a2f0566afb91549cbda9289b516154a6467624Ben Komalo/** 6791a2f0566afb91549cbda9289b516154a6467624Ben Komalo * Settings screens to show the UI flows for encrypting/decrypting the device. 6891a2f0566afb91549cbda9289b516154a6467624Ben Komalo * 6991a2f0566afb91549cbda9289b516154a6467624Ben Komalo * This may be started via adb for debugging the UI layout, without having to go through 7091a2f0566afb91549cbda9289b516154a6467624Ben Komalo * encryption flows everytime. It should be noted that starting the activity in this manner 7191a2f0566afb91549cbda9289b516154a6467624Ben Komalo * is only useful for verifying UI-correctness - the behavior will not be identical. 7291a2f0566afb91549cbda9289b516154a6467624Ben Komalo * <pre> 7391a2f0566afb91549cbda9289b516154a6467624Ben Komalo * $ adb shell pm enable com.android.settings/.CryptKeeper 7491a2f0566afb91549cbda9289b516154a6467624Ben Komalo * $ adb shell am start \ 7591a2f0566afb91549cbda9289b516154a6467624Ben Komalo * -e "com.android.settings.CryptKeeper.DEBUG_FORCE_VIEW" "progress" \ 7691a2f0566afb91549cbda9289b516154a6467624Ben Komalo * -n com.android.settings/.CryptKeeper 7791a2f0566afb91549cbda9289b516154a6467624Ben Komalo * </pre> 7891a2f0566afb91549cbda9289b516154a6467624Ben Komalo */ 79d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalpublic class CryptKeeper extends Activity implements TextView.OnEditorActionListener, 80d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal OnKeyListener, OnTouchListener, TextWatcher { 81ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final String TAG = "CryptKeeper"; 8235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 838fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks private static final String DECRYPT_STATE = "trigger_restart_framework"; 84de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Message sent to us to indicate encryption update progress. */ 85de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private static final int MESSAGE_UPDATE_PROGRESS = 1; 86de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Message sent to us to cool-down (waste user's time between password attempts) */ 87de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private static final int MESSAGE_COOLDOWN = 2; 88de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Message sent to us to indicate alerting the user that we are waiting for password entry */ 89de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private static final int MESSAGE_NOTIFY = 3; 90de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 91de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Constants used to control policy. 92ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int MAX_FAILED_ATTEMPTS = 30; 93ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOL_DOWN_ATTEMPTS = 10; 94ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOL_DOWN_INTERVAL = 30; // 30 seconds 95ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 968373b451692a39abdfd12444241c016831e1a4a4David Brown // Intent action for launching the Emergency Dialer activity. 978373b451692a39abdfd12444241c016831e1a4a4David Brown static final String ACTION_EMERGENCY_DIAL = "com.android.phone.EmergencyDialer.DIAL"; 988373b451692a39abdfd12444241c016831e1a4a4David Brown 9991a2f0566afb91549cbda9289b516154a6467624Ben Komalo // Debug Intent extras so that this Activity may be started via adb for debugging UI layouts 10091a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String EXTRA_FORCE_VIEW = 10191a2f0566afb91549cbda9289b516154a6467624Ben Komalo "com.android.settings.CryptKeeper.DEBUG_FORCE_VIEW"; 10291a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_PROGRESS = "progress"; 10391a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_ERROR = "error"; 104de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private static final String FORCE_VIEW_PASSWORD = "password"; 10591a2f0566afb91549cbda9289b516154a6467624Ben Komalo 106bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal /** When encryption is detected, this flag indicates whether or not we've checked for errors. */ 1070e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private boolean mValidationComplete; 108d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo private boolean mValidationRequested; 1090e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo /** A flag to indicate that the volume is in a bad state (e.g. partially encrypted). */ 1100e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private boolean mEncryptionGoneBad; 111de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** A flag to indicate when the back event should be ignored */ 112de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private boolean mIgnoreBack = false; 1131499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler private int mCooldown; 1141499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler PowerManager.WakeLock mWakeLock; 11506c5ff4a46686d3f599e40df0768177d3d88913cJason parks private EditText mPasswordEntry; 116d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal /** Number of calls to {@link #notifyUser()} to ignore before notifying. */ 117d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal private int mNotificationCountdown = 0; 1181499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 1191499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler /** 1201499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * Used to propagate state through configuration changes (e.g. screen rotation) 1211499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler */ 1221499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler private static class NonConfigurationInstanceState { 1231499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler final PowerManager.WakeLock wakelock; 1241499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 1251499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState(PowerManager.WakeLock _wakelock) { 1261499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler wakelock = _wakelock; 1271499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 1281499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 1291499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 130bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal /** 131bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * Activity used to fade the screen to black after the password is entered. 132bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal */ 1339f55ae28789754dafeed5c68468d45135d46199eVikram Aggarwal public static class FadeToBlack extends Activity { 13413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler @Override 13513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler public void onCreate(Bundle savedInstanceState) { 13613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler super.onCreate(savedInstanceState); 13713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler setContentView(R.layout.crypt_keeper_blank); 13813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 139de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Ignore all back events. */ 140de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal @Override 141de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal public void onBackPressed() { 142de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal return; 143de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 144f1dbf55819e01f6cf1a99d38a292b15de1262a29Jason parks } 145ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 14606c5ff4a46686d3f599e40df0768177d3d88913cJason parks private class DecryptTask extends AsyncTask<String, Void, Integer> { 14706c5ff4a46686d3f599e40df0768177d3d88913cJason parks @Override 14806c5ff4a46686d3f599e40df0768177d3d88913cJason parks protected Integer doInBackground(String... params) { 149de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final IMountService service = getMountService(); 15006c5ff4a46686d3f599e40df0768177d3d88913cJason parks try { 15106c5ff4a46686d3f599e40df0768177d3d88913cJason parks return service.decryptStorage(params[0]); 15206c5ff4a46686d3f599e40df0768177d3d88913cJason parks } catch (Exception e) { 15306c5ff4a46686d3f599e40df0768177d3d88913cJason parks Log.e(TAG, "Error while decrypting...", e); 15406c5ff4a46686d3f599e40df0768177d3d88913cJason parks return -1; 15506c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 15606c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 15706c5ff4a46686d3f599e40df0768177d3d88913cJason parks 15806c5ff4a46686d3f599e40df0768177d3d88913cJason parks @Override 15906c5ff4a46686d3f599e40df0768177d3d88913cJason parks protected void onPostExecute(Integer failedAttempts) { 16006c5ff4a46686d3f599e40df0768177d3d88913cJason parks if (failedAttempts == 0) { 16106c5ff4a46686d3f599e40df0768177d3d88913cJason parks // The password was entered successfully. Start the Blank activity 16206c5ff4a46686d3f599e40df0768177d3d88913cJason parks // so this activity animates to black before the devices starts. Note 16306c5ff4a46686d3f599e40df0768177d3d88913cJason parks // It has 1 second to complete the animation or it will be frozen 16406c5ff4a46686d3f599e40df0768177d3d88913cJason parks // until the boot animation comes back up. 165bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal Intent intent = new Intent(CryptKeeper.this, FadeToBlack.class); 16606c5ff4a46686d3f599e40df0768177d3d88913cJason parks finish(); 16706c5ff4a46686d3f599e40df0768177d3d88913cJason parks startActivity(intent); 16806c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else if (failedAttempts == MAX_FAILED_ATTEMPTS) { 16906c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Factory reset the device. 17006c5ff4a46686d3f599e40df0768177d3d88913cJason parks sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR")); 17106c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else if ((failedAttempts % COOL_DOWN_ATTEMPTS) == 0) { 17206c5ff4a46686d3f599e40df0768177d3d88913cJason parks mCooldown = COOL_DOWN_INTERVAL; 17306c5ff4a46686d3f599e40df0768177d3d88913cJason parks cooldown(); 17406c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else { 175bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final TextView status = (TextView) findViewById(R.id.status); 176bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal status.setText(R.string.try_again); 17706c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Reenable the password entry 17806c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(true); 17906c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 18006c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 18106c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 18275c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 1830e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private class ValidationTask extends AsyncTask<Void, Void, Boolean> { 1840e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo @Override 1850e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo protected Boolean doInBackground(Void... params) { 186de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final IMountService service = getMountService(); 1870e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo try { 188d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo Log.d(TAG, "Validating encryption state."); 1890e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo int state = service.getEncryptionState(); 1900e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (state == IMountService.ENCRYPTION_STATE_NONE) { 1910e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo Log.w(TAG, "Unexpectedly in CryptKeeper even though there is no encryption."); 1920e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return true; // Unexpected, but fine, I guess... 1930e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 1940e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return state == IMountService.ENCRYPTION_STATE_OK; 1950e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } catch (RemoteException e) { 1960e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo Log.w(TAG, "Unable to get encryption state properly"); 1970e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return true; 1980e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 1990e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2000e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 2010e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo @Override 2020e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo protected void onPostExecute(Boolean result) { 2030e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo mValidationComplete = true; 2040e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (Boolean.FALSE.equals(result)) { 2050e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo Log.w(TAG, "Incomplete, or corrupted encryption detected. Prompting user to wipe."); 2060e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo mEncryptionGoneBad = true; 207d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo } else { 208d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo Log.d(TAG, "Encryption state validated. Proceeding to configure UI"); 2090e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2100e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo setupUi(); 2110e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2120e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2130e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 21491a2f0566afb91549cbda9289b516154a6467624Ben Komalo private final Handler mHandler = new Handler() { 215ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks @Override 216ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks public void handleMessage(Message msg) { 217ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks switch (msg.what) { 218de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal case MESSAGE_UPDATE_PROGRESS: 219f8217304073b5cd13823a0602568394be93bf310Jason parks updateProgress(); 220ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks break; 22135933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 222de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal case MESSAGE_COOLDOWN: 223f8217304073b5cd13823a0602568394be93bf310Jason parks cooldown(); 224ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks break; 225de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 226de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal case MESSAGE_NOTIFY: 227de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal notifyUser(); 228de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal break; 229ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 230ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 231ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks }; 23235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 233de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private AudioManager mAudioManager; 234bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal /** The status bar where back/home/recent buttons are shown. */ 235bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal private StatusBarManager mStatusBar; 236bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal 237bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal /** All the widgets to disable in the status bar */ 238bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal final private static int sWidgetsToDisable = StatusBarManager.DISABLE_EXPAND 239bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_NOTIFICATION_ICONS 240bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_NOTIFICATION_ALERTS 241bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_SYSTEM_INFO 242bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_HOME 24366d050bb4b6bf899e363f3e67d1eb5774de744b5Alon Albert | StatusBarManager.DISABLE_SEARCH 244bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_RECENT; 245de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 24691a2f0566afb91549cbda9289b516154a6467624Ben Komalo /** @return whether or not this Activity was started for debugging the UI only. */ 24791a2f0566afb91549cbda9289b516154a6467624Ben Komalo private boolean isDebugView() { 24891a2f0566afb91549cbda9289b516154a6467624Ben Komalo return getIntent().hasExtra(EXTRA_FORCE_VIEW); 24991a2f0566afb91549cbda9289b516154a6467624Ben Komalo } 25091a2f0566afb91549cbda9289b516154a6467624Ben Komalo 25191a2f0566afb91549cbda9289b516154a6467624Ben Komalo /** @return whether or not this Activity was started for debugging the specific UI view only. */ 25291a2f0566afb91549cbda9289b516154a6467624Ben Komalo private boolean isDebugView(String viewType /* non-nullable */) { 25391a2f0566afb91549cbda9289b516154a6467624Ben Komalo return viewType.equals(getIntent().getStringExtra(EXTRA_FORCE_VIEW)); 25491a2f0566afb91549cbda9289b516154a6467624Ben Komalo } 25591a2f0566afb91549cbda9289b516154a6467624Ben Komalo 256de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** 257de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal * Notify the user that we are awaiting input. Currently this sends an audio alert. 258de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal */ 259de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private void notifyUser() { 260d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal if (mNotificationCountdown > 0) { 261d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal --mNotificationCountdown; 262d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } else if (mAudioManager != null) { 263de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal try { 264de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Play the standard keypress sound at full volume. This should be available on 265de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // every device. We cannot play a ringtone here because media services aren't 266de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // available yet. A DTMF-style tone is too soft to be noticed, and might not exist 267de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // on tablet devices. The idea is to alert the user that something is needed: this 268de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // does not have to be pleasing. 269de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mAudioManager.playSoundEffect(AudioManager.FX_KEYPRESS_STANDARD, 100); 270de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } catch (Exception e) { 271de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal Log.w(TAG, "notifyUser: Exception while playing sound: " + e); 272de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 273de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 27486b93937fa417647d22ee15d3a0aff7a751be17aVikram Aggarwal // Notify the user again in 5 seconds. 275de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_NOTIFY); 27686b93937fa417647d22ee15d3a0aff7a751be17aVikram Aggarwal mHandler.sendEmptyMessageDelayed(MESSAGE_NOTIFY, 5 * 1000); 277de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 278de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 279de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** 280de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal * Ignore back events after the user has entered the decrypt screen and while the device is 281de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal * encrypting. 282de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal */ 283de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal @Override 284de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal public void onBackPressed() { 285bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal // In the rare case that something pressed back even though we were disabled. 286de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal if (mIgnoreBack) 287de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal return; 288de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal super.onBackPressed(); 289de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 290de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 2918fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks @Override 2928fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks public void onCreate(Bundle savedInstanceState) { 2938fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks super.onCreate(savedInstanceState); 29435933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 2959597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler // If we are not encrypted or encrypting, get out quickly. 296de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final String state = SystemProperties.get("vold.decrypt"); 29791a2f0566afb91549cbda9289b516154a6467624Ben Komalo if (!isDebugView() && ("".equals(state) || DECRYPT_STATE.equals(state))) { 29835933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // Disable the crypt keeper. 2998fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks PackageManager pm = getPackageManager(); 3008fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks ComponentName name = new ComponentName(this, CryptKeeper.class); 301140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn pm.setComponentEnabledSetting(name, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 302140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn PackageManager.DONT_KILL_APP); 303140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // Typically CryptKeeper is launched as the home app. We didn't 304644fa4243b4c288c85845b3f86aab25135635729Dianne Hackborn // want to be running, so need to finish this activity. We can count 305644fa4243b4c288c85845b3f86aab25135635729Dianne Hackborn // on the activity manager re-launching the new home app upon finishing 306644fa4243b4c288c85845b3f86aab25135635729Dianne Hackborn // this one, since this will leave the activity stack empty. 307140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // NOTE: This is really grungy. I think it would be better for the 308140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // activity manager to explicitly launch the crypt keeper instead of 309140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // home in the situation where we need to decrypt the device 310140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn finish(); 3118fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return; 3128fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 31335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 314b96b35a62b1f092b6322643c3568f3e712543e53Vikram Aggarwal // Disable the status bar, but do NOT disable back because the user needs a way to go 315b96b35a62b1f092b6322643c3568f3e712543e53Vikram Aggarwal // from keyboard settings and back to the password screen. 316bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mStatusBar = (StatusBarManager) getSystemService(Context.STATUS_BAR_SERVICE); 317bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mStatusBar.disable(sWidgetsToDisable); 3181499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 319ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal setAirplaneModeIfNecessary(); 320de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); 3211499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler // Check for (and recover) retained instance data 322de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final Object lastInstance = getLastNonConfigurationInstance(); 3231499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler if (lastInstance instanceof NonConfigurationInstanceState) { 3241499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState retained = (NonConfigurationInstanceState) lastInstance; 3251499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler mWakeLock = retained.wakelock; 3260460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Restoring wakelock from NonConfigurationInstanceState"); 3271499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 328ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 32935933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 3309597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler /** 3319597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * Note, we defer the state check and screen setup to onStart() because this will be 3329597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * re-run if the user clicks the power button (sleeping/waking the screen), and this is 3339597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * especially important if we were to lose the wakelock for any reason. 3349597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler */ 3359597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler @Override 3369597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler public void onStart() { 3379597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler super.onStart(); 338d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo setupUi(); 3390e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 3400e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 3410e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo /** 3420e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo * Initializes the UI based on the current state of encryption. 3430e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo * This is idempotent - calling repeatedly will simply re-initialize the UI. 3440e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo */ 3450e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private void setupUi() { 3460e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (mEncryptionGoneBad || isDebugView(FORCE_VIEW_ERROR)) { 3470e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo setContentView(R.layout.crypt_keeper_progress); 3480e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo showFactoryReset(); 3490e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return; 3500e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 3510e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 352de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final String progress = SystemProperties.get("vold.encrypt_progress"); 3530e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (!"".equals(progress) || isDebugView(FORCE_VIEW_PROGRESS)) { 3549597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler setContentView(R.layout.crypt_keeper_progress); 3559597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler encryptionProgressInit(); 356de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } else if (mValidationComplete || isDebugView(FORCE_VIEW_PASSWORD)) { 3579597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler setContentView(R.layout.crypt_keeper_password_entry); 3589597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler passwordEntryInit(); 359d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo } else if (!mValidationRequested) { 360d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo // We're supposed to be encrypted, but no validation has been done. 361d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo new ValidationTask().execute((Void[]) null); 362d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo mValidationRequested = true; 3639597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler } 3649597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler } 3659597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler 366f8217304073b5cd13823a0602568394be93bf310Jason parks @Override 367f8217304073b5cd13823a0602568394be93bf310Jason parks public void onStop() { 368f8217304073b5cd13823a0602568394be93bf310Jason parks super.onStop(); 369de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_COOLDOWN); 370de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_UPDATE_PROGRESS); 371de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_NOTIFY); 3721499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 3731499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 3741499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler /** 3751499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * Reconfiguring, so propagate the wakelock to the next instance. This runs between onStop() 3761499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * and onDestroy() and only if we are changing configuration (e.g. rotation). Also clears 3771499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * mWakeLock so the subsequent call to onDestroy does not release it. 3781499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler */ 3791499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler @Override 3801499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler public Object onRetainNonConfigurationInstance() { 3811499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState state = new NonConfigurationInstanceState(mWakeLock); 3820460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Handing wakelock off to NonConfigurationInstanceState"); 3831499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler mWakeLock = null; 3841499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler return state; 3851499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 3861499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 3871499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler @Override 3881499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler public void onDestroy() { 3891499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler super.onDestroy(); 390f8217304073b5cd13823a0602568394be93bf310Jason parks 391f8217304073b5cd13823a0602568394be93bf310Jason parks if (mWakeLock != null) { 3920460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Releasing and destroying wakelock"); 393f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock.release(); 394f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock = null; 395f8217304073b5cd13823a0602568394be93bf310Jason parks } 396f8217304073b5cd13823a0602568394be93bf310Jason parks } 397f8217304073b5cd13823a0602568394be93bf310Jason parks 398de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** 399de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal * Start encrypting the device. 400de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal */ 401ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private void encryptionProgressInit() { 40235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // Accquire a partial wakelock to prevent the device from sleeping. Note 40335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // we never release this wakelock as we will be restarted after the device 40435933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // is encrypted. 4050460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Encryption progress screen initializing."); 4069ee164f44ea1ad66fa16ed702eb885e36ade0d8bBen Komalo if (mWakeLock == null) { 4070460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Acquiring wakelock."); 4080460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 4090460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG); 4100460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo mWakeLock.acquire(); 4110460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo } 412f8217304073b5cd13823a0602568394be93bf310Jason parks 413bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal ((ProgressBar) findViewById(R.id.progress_bar)).setIndeterminate(true); 414de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Ignore all back presses from now, both hard and soft keys. 415bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal setBackFunctionality(false); 416de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Start the first run of progress manually. This method sets up messages to occur at 417de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // repeated intervals. 418f8217304073b5cd13823a0602568394be93bf310Jason parks updateProgress(); 419f8217304073b5cd13823a0602568394be93bf310Jason parks } 420f8217304073b5cd13823a0602568394be93bf310Jason parks 42113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler private void showFactoryReset() { 42213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Hide the encryption-bot to make room for the "factory reset" button 42313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler findViewById(R.id.encroid).setVisibility(View.GONE); 42413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 42513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Show the reset button, failure text, and a divider 426bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final Button button = (Button) findViewById(R.id.factory_reset); 42713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler button.setVisibility(View.VISIBLE); 42813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler button.setOnClickListener(new OnClickListener() { 429bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal @Override 43013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler public void onClick(View v) { 43113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Factory reset the device. 43213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR")); 43313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 43413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler }); 43513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 436bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal // Alert the user of the failure. 437bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal ((TextView) findViewById(R.id.title)).setText(R.string.crypt_keeper_failed_title); 438bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal ((TextView) findViewById(R.id.status)).setText(R.string.crypt_keeper_failed_summary); 43913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 440bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final View view = findViewById(R.id.bottom_divider); 441bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal // TODO(viki): Why would the bottom divider be missing in certain layouts? Investigate. 442f0104df823a93ef4c3336118ddb02a0924e520daBen Komalo if (view != null) { 443f0104df823a93ef4c3336118ddb02a0924e520daBen Komalo view.setVisibility(View.VISIBLE); 444f0104df823a93ef4c3336118ddb02a0924e520daBen Komalo } 44513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 44613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 447f8217304073b5cd13823a0602568394be93bf310Jason parks private void updateProgress() { 448bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final String state = SystemProperties.get("vold.encrypt_progress"); 449f8217304073b5cd13823a0602568394be93bf310Jason parks 4500e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if ("error_partially_encrypted".equals(state)) { 45113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler showFactoryReset(); 45213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler return; 45313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 45413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 455f8217304073b5cd13823a0602568394be93bf310Jason parks int progress = 0; 456f8217304073b5cd13823a0602568394be93bf310Jason parks try { 45791a2f0566afb91549cbda9289b516154a6467624Ben Komalo // Force a 50% progress state when debugging the view. 45891a2f0566afb91549cbda9289b516154a6467624Ben Komalo progress = isDebugView() ? 50 : Integer.parseInt(state); 459f8217304073b5cd13823a0602568394be93bf310Jason parks } catch (Exception e) { 460f8217304073b5cd13823a0602568394be93bf310Jason parks Log.w(TAG, "Error parsing progress: " + e.toString()); 461f8217304073b5cd13823a0602568394be93bf310Jason parks } 46235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 463bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final CharSequence status = getText(R.string.crypt_keeper_setup_description); 4640460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.v(TAG, "Encryption progress: " + progress); 465bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final TextView tv = (TextView) findViewById(R.id.status); 466de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal if (tv != null) { 467de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal tv.setText(TextUtils.expandTemplate(status, Integer.toString(progress))); 468de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 469f8217304073b5cd13823a0602568394be93bf310Jason parks // Check the progress every 5 seconds 470de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_UPDATE_PROGRESS); 471de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.sendEmptyMessageDelayed(MESSAGE_UPDATE_PROGRESS, 5000); 472f8217304073b5cd13823a0602568394be93bf310Jason parks } 473f8217304073b5cd13823a0602568394be93bf310Jason parks 474de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Disable password input for a while to force the user to waste time between retries */ 475f8217304073b5cd13823a0602568394be93bf310Jason parks private void cooldown() { 476bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final TextView status = (TextView) findViewById(R.id.status); 47713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 478f8217304073b5cd13823a0602568394be93bf310Jason parks if (mCooldown <= 0) { 479de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Re-enable the password entry and back presses. 48006c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(true); 481bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal setBackFunctionality(true); 482f576dd6c9f2470516b2fd8494ad210a77f3c8c1fVikram Aggarwal status.setText(R.string.enter_password); 483f8217304073b5cd13823a0602568394be93bf310Jason parks } else { 48413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler CharSequence template = getText(R.string.crypt_keeper_cooldown); 485bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal status.setText(TextUtils.expandTemplate(template, Integer.toString(mCooldown))); 48613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 487f8217304073b5cd13823a0602568394be93bf310Jason parks mCooldown--; 488de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_COOLDOWN); 489de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.sendEmptyMessageDelayed(MESSAGE_COOLDOWN, 1000); // Tick every second 490f8217304073b5cd13823a0602568394be93bf310Jason parks } 491ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 49235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 493bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal /** 494bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal * Sets the back status: enabled or disabled according to the parameter. 495bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal * @param isEnabled true if back is enabled, false otherwise. 496bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal */ 497bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal private final void setBackFunctionality(boolean isEnabled) { 498bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mIgnoreBack = !isEnabled; 499bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal if (isEnabled) { 500bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mStatusBar.disable(sWidgetsToDisable); 501bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal } else { 502bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mStatusBar.disable(sWidgetsToDisable | StatusBarManager.DISABLE_BACK); 503bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal } 504bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal } 505bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal 506ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private void passwordEntryInit() { 50706c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry = (EditText) findViewById(R.id.passwordEntry); 50806c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setOnEditorActionListener(this); 5099fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo mPasswordEntry.requestFocus(); 510d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal // Become quiet when the user interacts with the Edit text screen. 511d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal mPasswordEntry.setOnKeyListener(this); 512d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal mPasswordEntry.setOnTouchListener(this); 513d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal mPasswordEntry.addTextChangedListener(this); 5149fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 515c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal // Disable the Emergency call button if the device has no voice telephone capability 516c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal final TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); 517c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal if (!tm.isVoiceCapable()) { 518c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal final View emergencyCall = findViewById(R.id.emergencyCallButton); 519c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal if (emergencyCall != null) { 520c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal Log.d(TAG, "Removing the emergency Call button"); 521c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal emergencyCall.setVisibility(View.GONE); 522c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal } 523c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal } 524c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal 525bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final View imeSwitcher = findViewById(R.id.switch_ime_button); 5269fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final InputMethodManager imm = (InputMethodManager) getSystemService( 5279fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo Context.INPUT_METHOD_SERVICE); 5289fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (imeSwitcher != null && hasMultipleEnabledIMEsOrSubtypes(imm, false)) { 5299fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imeSwitcher.setVisibility(View.VISIBLE); 5309fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imeSwitcher.setOnClickListener(new OnClickListener() { 531bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal @Override 5329fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo public void onClick(View v) { 5339fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imm.showInputMethodPicker(); 5349fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 5359fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo }); 5369fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 5379fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 538de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // We want to keep the screen on while waiting for input. In minimal boot mode, the device 539de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // is completely non-functional, and we want the user to notice the device and enter a 540de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // password. 541de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal if (mWakeLock == null) { 542de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal Log.d(TAG, "Acquiring wakelock."); 543de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 544de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal if (pm != null) { 545de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG); 546de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mWakeLock.acquire(); 547de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 548de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 5499fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // Asynchronously throw up the IME, since there are issues with requesting it to be shown 5509fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // immediately. 5519fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo mHandler.postDelayed(new Runnable() { 5529fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo @Override public void run() { 5539fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imm.showSoftInputUnchecked(0, null); 5549fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 5559fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo }, 0); 5569fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 5579fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo updateEmergencyCallButtonState(); 558d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal // Notify the user in 120 seconds that we are waiting for him to enter the password. 55986b93937fa417647d22ee15d3a0aff7a751be17aVikram Aggarwal mHandler.removeMessages(MESSAGE_NOTIFY); 560d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal mHandler.sendEmptyMessageDelayed(MESSAGE_NOTIFY, 120 * 1000); 561fb3d5cad48876dbd366fd8b562529d355d2428dbJim Miller 562fb3d5cad48876dbd366fd8b562529d355d2428dbJim Miller // Dismiss keyguard while this screen is showing. 563fb3d5cad48876dbd366fd8b562529d355d2428dbJim Miller getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD); 5649fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 56535933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 5669fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo /** 5679fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * Method adapted from com.android.inputmethod.latin.Utils 5689fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * 5699fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * @param imm The input method manager 5709fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * @param shouldIncludeAuxiliarySubtypes 5719fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * @return true if we have multiple IMEs to choose from 5729fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo */ 5739fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo private boolean hasMultipleEnabledIMEsOrSubtypes(InputMethodManager imm, 5749fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final boolean shouldIncludeAuxiliarySubtypes) { 5759fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final List<InputMethodInfo> enabledImis = imm.getEnabledInputMethodList(); 5769fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 5779fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // Number of the filtered IMEs 5789fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo int filteredImisCount = 0; 5799fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 5809fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo for (InputMethodInfo imi : enabledImis) { 5819fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // We can return true immediately after we find two or more filtered IMEs. 5829fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (filteredImisCount > 1) return true; 5839fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final List<InputMethodSubtype> subtypes = 5849fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imm.getEnabledInputMethodSubtypeList(imi, true); 5859fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // IMEs that have no subtypes should be counted. 5869fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (subtypes.isEmpty()) { 5879fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo ++filteredImisCount; 5889fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo continue; 5899fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 59035933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 5919fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo int auxCount = 0; 5929fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo for (InputMethodSubtype subtype : subtypes) { 5939fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (subtype.isAuxiliary()) { 5949fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo ++auxCount; 5959fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 5969fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 5979fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final int nonAuxCount = subtypes.size() - auxCount; 5989fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 5999fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // IMEs that have one or more non-auxiliary subtypes should be counted. 6009fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // If shouldIncludeAuxiliarySubtypes is true, IMEs that have two or more auxiliary 6019fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // subtypes should be counted as well. 6029fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (nonAuxCount > 0 || (shouldIncludeAuxiliarySubtypes && auxCount > 1)) { 6039fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo ++filteredImisCount; 6049fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo continue; 6059fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 60600046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks } 6078373b451692a39abdfd12444241c016831e1a4a4David Brown 6089fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo return filteredImisCount > 1 6099fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // imm.getEnabledInputMethodSubtypeList(null, false) will return the current IME's enabled 6109fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // input method subtype (The current IME should be LatinIME.) 6119fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo || imm.getEnabledInputMethodSubtypeList(null, false).size() > 1; 6128fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6138fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 6148fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks private IMountService getMountService() { 615bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final IBinder service = ServiceManager.getService("mount"); 6168fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks if (service != null) { 6178fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return IMountService.Stub.asInterface(service); 6188fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6198fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return null; 6208fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6218fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 6228fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks @Override 6238fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { 62400046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks if (actionId == EditorInfo.IME_NULL || actionId == EditorInfo.IME_ACTION_DONE) { 6258fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks // Get the password 626bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final String password = v.getText().toString(); 6278fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 628ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks if (TextUtils.isEmpty(password)) { 629ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks return true; 630ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 63135933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 6328fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks // Now that we have the password clear the password field. 6338fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks v.setText(null); 6348fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 635de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Disable the password entry and back keypress while checking the password. These 636de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // we either be re-enabled if the password was wrong or after the cooldown period. 63706c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(false); 638bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal setBackFunctionality(false); 63906c5ff4a46686d3f599e40df0768177d3d88913cJason parks 6400460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Attempting to send command to decrypt"); 64106c5ff4a46686d3f599e40df0768177d3d88913cJason parks new DecryptTask().execute(password); 64235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 6438fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return true; 6448fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6458fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return false; 6468fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6478373b451692a39abdfd12444241c016831e1a4a4David Brown 648bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal /** 649ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * Set airplane mode on the device if it isn't an LTE device. 650ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * Full story: In minimal boot mode, we cannot save any state. In particular, we cannot save 651ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * any incoming SMS's. So SMSs that are received here will be silently dropped to the floor. 652ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * That is bad. Also, we cannot receive any telephone calls in this state. So to avoid 653ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * both these problems, we turn the radio off. However, on certain networks turning on and 654ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * off the radio takes a long time. In such cases, we are better off leaving the radio 655ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * running so the latency of an E911 call is short. 656ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * The behavior after this is: 657ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * 1. Emergency dialing: the emergency dialer has logic to force the device out of 658ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * airplane mode and restart the radio. 659ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * 2. Full boot: we read the persistent settings from the previous boot and restore the 660ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * radio to whatever it was before it restarted. This also happens when rebooting a 661ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * phone that has no encryption. 662ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal */ 663ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal private final void setAirplaneModeIfNecessary() { 664ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal final boolean isLteDevice = 6655543404ae0ec9635b59d37fa01074ea598d539ebWink Saville TelephonyManager.getDefault().getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE; 666ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal if (!isLteDevice) { 667ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal Log.d(TAG, "Going into airplane mode."); 6686a5929b086a61a955a4a2f43f5fa251e8754ff4aChristopher Tate Settings.Global.putInt(getContentResolver(), Settings.Global.AIRPLANE_MODE_ON, 1); 669ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal final Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED); 670ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal intent.putExtra("state", true); 6716a5929b086a61a955a4a2f43f5fa251e8754ff4aChristopher Tate sendBroadcastAsUser(intent, UserHandle.ALL); 672ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal } 673ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal } 674ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal 675ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal /** 676bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * Code to update the state of, and handle clicks from, the "Emergency call" button. 677bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * 678bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * This code is mostly duplicated from the corresponding code in 679bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * LockPatternUtils and LockPatternKeyguardView under frameworks/base. 680bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal */ 6818373b451692a39abdfd12444241c016831e1a4a4David Brown private void updateEmergencyCallButtonState() { 682bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final Button emergencyCall = (Button) findViewById(R.id.emergencyCallButton); 6838373b451692a39abdfd12444241c016831e1a4a4David Brown // The button isn't present at all in some configurations. 684bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal if (emergencyCall == null) 685bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal return; 6868373b451692a39abdfd12444241c016831e1a4a4David Brown 6878373b451692a39abdfd12444241c016831e1a4a4David Brown if (isEmergencyCallCapable()) { 688bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setVisibility(View.VISIBLE); 689bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setOnClickListener(new View.OnClickListener() { 690bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal @Override 691bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal 6928373b451692a39abdfd12444241c016831e1a4a4David Brown public void onClick(View v) { 6938373b451692a39abdfd12444241c016831e1a4a4David Brown takeEmergencyCallAction(); 6948373b451692a39abdfd12444241c016831e1a4a4David Brown } 6958373b451692a39abdfd12444241c016831e1a4a4David Brown }); 6968373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 697bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setVisibility(View.GONE); 6988373b451692a39abdfd12444241c016831e1a4a4David Brown return; 6998373b451692a39abdfd12444241c016831e1a4a4David Brown } 7008373b451692a39abdfd12444241c016831e1a4a4David Brown 701bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final int newState = TelephonyManager.getDefault().getCallState(); 7028373b451692a39abdfd12444241c016831e1a4a4David Brown int textId; 7038373b451692a39abdfd12444241c016831e1a4a4David Brown if (newState == TelephonyManager.CALL_STATE_OFFHOOK) { 704bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal // Show "return to call" text and show phone icon 7058373b451692a39abdfd12444241c016831e1a4a4David Brown textId = R.string.cryptkeeper_return_to_call; 706bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final int phoneCallIcon = R.drawable.stat_sys_phone_call; 707bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setCompoundDrawablesWithIntrinsicBounds(phoneCallIcon, 0, 0, 0); 7088373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 7098373b451692a39abdfd12444241c016831e1a4a4David Brown textId = R.string.cryptkeeper_emergency_call; 710bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final int emergencyIcon = R.drawable.ic_emergency; 711bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setCompoundDrawablesWithIntrinsicBounds(emergencyIcon, 0, 0, 0); 7128373b451692a39abdfd12444241c016831e1a4a4David Brown } 713bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setText(textId); 7148373b451692a39abdfd12444241c016831e1a4a4David Brown } 7158373b451692a39abdfd12444241c016831e1a4a4David Brown 7168373b451692a39abdfd12444241c016831e1a4a4David Brown private boolean isEmergencyCallCapable() { 7178373b451692a39abdfd12444241c016831e1a4a4David Brown return getResources().getBoolean(com.android.internal.R.bool.config_voice_capable); 7188373b451692a39abdfd12444241c016831e1a4a4David Brown } 7198373b451692a39abdfd12444241c016831e1a4a4David Brown 7208373b451692a39abdfd12444241c016831e1a4a4David Brown private void takeEmergencyCallAction() { 7218373b451692a39abdfd12444241c016831e1a4a4David Brown if (TelephonyManager.getDefault().getCallState() == TelephonyManager.CALL_STATE_OFFHOOK) { 7228373b451692a39abdfd12444241c016831e1a4a4David Brown resumeCall(); 7238373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 7248373b451692a39abdfd12444241c016831e1a4a4David Brown launchEmergencyDialer(); 7258373b451692a39abdfd12444241c016831e1a4a4David Brown } 7268373b451692a39abdfd12444241c016831e1a4a4David Brown } 7278373b451692a39abdfd12444241c016831e1a4a4David Brown 7288373b451692a39abdfd12444241c016831e1a4a4David Brown private void resumeCall() { 729bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); 7308373b451692a39abdfd12444241c016831e1a4a4David Brown if (phone != null) { 7318373b451692a39abdfd12444241c016831e1a4a4David Brown try { 7328373b451692a39abdfd12444241c016831e1a4a4David Brown phone.showCallScreen(); 7338373b451692a39abdfd12444241c016831e1a4a4David Brown } catch (RemoteException e) { 7348373b451692a39abdfd12444241c016831e1a4a4David Brown Log.e(TAG, "Error calling ITelephony service: " + e); 7358373b451692a39abdfd12444241c016831e1a4a4David Brown } 7368373b451692a39abdfd12444241c016831e1a4a4David Brown } 7378373b451692a39abdfd12444241c016831e1a4a4David Brown } 7388373b451692a39abdfd12444241c016831e1a4a4David Brown 7398373b451692a39abdfd12444241c016831e1a4a4David Brown private void launchEmergencyDialer() { 740bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final Intent intent = new Intent(ACTION_EMERGENCY_DIAL); 7418373b451692a39abdfd12444241c016831e1a4a4David Brown intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 7428373b451692a39abdfd12444241c016831e1a4a4David Brown | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 7438373b451692a39abdfd12444241c016831e1a4a4David Brown startActivity(intent); 7448373b451692a39abdfd12444241c016831e1a4a4David Brown } 745d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 746d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal /** 747d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal * Listen to key events so we can disable sounds when we get a keyinput in EditText. 748d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal */ 749d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal private void delayAudioNotification() { 750d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal mNotificationCountdown = 20; 751d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 752d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 753d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 754d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public boolean onKey(View v, int keyCode, KeyEvent event) { 755d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal delayAudioNotification(); 756d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal return false; 757d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 758d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 759d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 760d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public boolean onTouch(View v, MotionEvent event) { 761d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal delayAudioNotification(); 762d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal return false; 763d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 764d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 765d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 766d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public void beforeTextChanged(CharSequence s, int start, int count, int after) { 767d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal return; 768d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 769d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 770d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 771d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public void onTextChanged(CharSequence s, int start, int before, int count) { 772d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal delayAudioNotification(); 773d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 774d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 775d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 776d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public void afterTextChanged(Editable s) { 777d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal return; 778d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 7798373b451692a39abdfd12444241c016831e1a4a4David Brown} 780