CryptKeeper.java revision b05f39d186d8ce1b53bb4da3cb4c2cd22986f513
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; 37b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrenceimport android.os.storage.StorageManager; 386ebbd30e18ca514ca9ee87ffa428c55c9fd92a8cVikram Aggarwalimport android.provider.Settings; 398373b451692a39abdfd12444241c016831e1a4a4David Brownimport android.telephony.TelephonyManager; 40d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.text.Editable; 41ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.text.TextUtils; 42d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.text.TextWatcher; 438fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.util.Log; 448fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.view.KeyEvent; 45d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.view.MotionEvent; 4613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.view.View; 47fb3d5cad48876dbd366fd8b562529d355d2428dbJim Millerimport android.view.WindowManager; 4813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.view.View.OnClickListener; 49d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.view.View.OnKeyListener; 50d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalimport android.view.View.OnTouchListener; 518fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.view.inputmethod.EditorInfo; 529fcb6a7fac02aef85085c2db616556257e1642f5Ben Komaloimport android.view.inputmethod.InputMethodInfo; 5375c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parksimport android.view.inputmethod.InputMethodManager; 549fcb6a7fac02aef85085c2db616556257e1642f5Ben Komaloimport android.view.inputmethod.InputMethodSubtype; 5513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.widget.Button; 56ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.widget.EditText; 57ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.widget.ProgressBar; 588fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.widget.TextView; 598fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 60bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwalimport com.android.internal.statusbar.StatusBarIcon; 6191a2f0566afb91549cbda9289b516154a6467624Ben Komaloimport com.android.internal.telephony.ITelephony; 62ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwalimport com.android.internal.telephony.Phone; 635543404ae0ec9635b59d37fa01074ea598d539ebWink Savilleimport com.android.internal.telephony.PhoneConstants; 64b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrenceimport com.android.internal.widget.LockPatternUtils; 65b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrenceimport com.android.internal.widget.LockPatternView; 66b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrenceimport com.android.internal.widget.LockPatternView.Cell; 679fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 689fcb6a7fac02aef85085c2db616556257e1642f5Ben Komaloimport java.util.List; 6991a2f0566afb91549cbda9289b516154a6467624Ben Komalo 7091a2f0566afb91549cbda9289b516154a6467624Ben Komalo/** 7191a2f0566afb91549cbda9289b516154a6467624Ben Komalo * Settings screens to show the UI flows for encrypting/decrypting the device. 7291a2f0566afb91549cbda9289b516154a6467624Ben Komalo * 7391a2f0566afb91549cbda9289b516154a6467624Ben Komalo * This may be started via adb for debugging the UI layout, without having to go through 7491a2f0566afb91549cbda9289b516154a6467624Ben Komalo * encryption flows everytime. It should be noted that starting the activity in this manner 7591a2f0566afb91549cbda9289b516154a6467624Ben Komalo * is only useful for verifying UI-correctness - the behavior will not be identical. 7691a2f0566afb91549cbda9289b516154a6467624Ben Komalo * <pre> 7791a2f0566afb91549cbda9289b516154a6467624Ben Komalo * $ adb shell pm enable com.android.settings/.CryptKeeper 7891a2f0566afb91549cbda9289b516154a6467624Ben Komalo * $ adb shell am start \ 7991a2f0566afb91549cbda9289b516154a6467624Ben Komalo * -e "com.android.settings.CryptKeeper.DEBUG_FORCE_VIEW" "progress" \ 8091a2f0566afb91549cbda9289b516154a6467624Ben Komalo * -n com.android.settings/.CryptKeeper 8191a2f0566afb91549cbda9289b516154a6467624Ben Komalo * </pre> 8291a2f0566afb91549cbda9289b516154a6467624Ben Komalo */ 83d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwalpublic class CryptKeeper extends Activity implements TextView.OnEditorActionListener, 84d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal OnKeyListener, OnTouchListener, TextWatcher { 85ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final String TAG = "CryptKeeper"; 8635933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 878fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks private static final String DECRYPT_STATE = "trigger_restart_framework"; 88de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Message sent to us to indicate encryption update progress. */ 89de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private static final int MESSAGE_UPDATE_PROGRESS = 1; 90de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Message sent to us to cool-down (waste user's time between password attempts) */ 91de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private static final int MESSAGE_COOLDOWN = 2; 92de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Message sent to us to indicate alerting the user that we are waiting for password entry */ 93de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private static final int MESSAGE_NOTIFY = 3; 94de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 95de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Constants used to control policy. 96ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int MAX_FAILED_ATTEMPTS = 30; 97ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOL_DOWN_ATTEMPTS = 10; 98ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOL_DOWN_INTERVAL = 30; // 30 seconds 99ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 1008373b451692a39abdfd12444241c016831e1a4a4David Brown // Intent action for launching the Emergency Dialer activity. 1018373b451692a39abdfd12444241c016831e1a4a4David Brown static final String ACTION_EMERGENCY_DIAL = "com.android.phone.EmergencyDialer.DIAL"; 1028373b451692a39abdfd12444241c016831e1a4a4David Brown 10391a2f0566afb91549cbda9289b516154a6467624Ben Komalo // Debug Intent extras so that this Activity may be started via adb for debugging UI layouts 10491a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String EXTRA_FORCE_VIEW = 10591a2f0566afb91549cbda9289b516154a6467624Ben Komalo "com.android.settings.CryptKeeper.DEBUG_FORCE_VIEW"; 10691a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_PROGRESS = "progress"; 10791a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_ERROR = "error"; 108de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private static final String FORCE_VIEW_PASSWORD = "password"; 10991a2f0566afb91549cbda9289b516154a6467624Ben Komalo 110bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal /** When encryption is detected, this flag indicates whether or not we've checked for errors. */ 1110e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private boolean mValidationComplete; 112d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo private boolean mValidationRequested; 1130e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo /** A flag to indicate that the volume is in a bad state (e.g. partially encrypted). */ 1140e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private boolean mEncryptionGoneBad; 115de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** A flag to indicate when the back event should be ignored */ 116de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private boolean mIgnoreBack = false; 1171499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler private int mCooldown; 1181499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler PowerManager.WakeLock mWakeLock; 11906c5ff4a46686d3f599e40df0768177d3d88913cJason parks private EditText mPasswordEntry; 120b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence private LockPatternView mLockPatternView; 121d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal /** Number of calls to {@link #notifyUser()} to ignore before notifying. */ 122d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal private int mNotificationCountdown = 0; 1231499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 1241499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler /** 1251499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * Used to propagate state through configuration changes (e.g. screen rotation) 1261499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler */ 1271499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler private static class NonConfigurationInstanceState { 1281499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler final PowerManager.WakeLock wakelock; 1291499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 1301499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState(PowerManager.WakeLock _wakelock) { 1311499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler wakelock = _wakelock; 1321499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 1331499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 1341499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 135bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal /** 136bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * Activity used to fade the screen to black after the password is entered. 137bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal */ 1389f55ae28789754dafeed5c68468d45135d46199eVikram Aggarwal public static class FadeToBlack extends Activity { 13913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler @Override 14013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler public void onCreate(Bundle savedInstanceState) { 14113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler super.onCreate(savedInstanceState); 14213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler setContentView(R.layout.crypt_keeper_blank); 14313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 144de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Ignore all back events. */ 145de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal @Override 146de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal public void onBackPressed() { 147de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal return; 148de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 149f1dbf55819e01f6cf1a99d38a292b15de1262a29Jason parks } 150ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 15106c5ff4a46686d3f599e40df0768177d3d88913cJason parks private class DecryptTask extends AsyncTask<String, Void, Integer> { 15206c5ff4a46686d3f599e40df0768177d3d88913cJason parks @Override 15306c5ff4a46686d3f599e40df0768177d3d88913cJason parks protected Integer doInBackground(String... params) { 154de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final IMountService service = getMountService(); 15506c5ff4a46686d3f599e40df0768177d3d88913cJason parks try { 15606c5ff4a46686d3f599e40df0768177d3d88913cJason parks return service.decryptStorage(params[0]); 15706c5ff4a46686d3f599e40df0768177d3d88913cJason parks } catch (Exception e) { 15806c5ff4a46686d3f599e40df0768177d3d88913cJason parks Log.e(TAG, "Error while decrypting...", e); 15906c5ff4a46686d3f599e40df0768177d3d88913cJason parks return -1; 16006c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 16106c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 16206c5ff4a46686d3f599e40df0768177d3d88913cJason parks 16306c5ff4a46686d3f599e40df0768177d3d88913cJason parks @Override 16406c5ff4a46686d3f599e40df0768177d3d88913cJason parks protected void onPostExecute(Integer failedAttempts) { 16506c5ff4a46686d3f599e40df0768177d3d88913cJason parks if (failedAttempts == 0) { 16606c5ff4a46686d3f599e40df0768177d3d88913cJason parks // The password was entered successfully. Start the Blank activity 16706c5ff4a46686d3f599e40df0768177d3d88913cJason parks // so this activity animates to black before the devices starts. Note 16806c5ff4a46686d3f599e40df0768177d3d88913cJason parks // It has 1 second to complete the animation or it will be frozen 16906c5ff4a46686d3f599e40df0768177d3d88913cJason parks // until the boot animation comes back up. 170bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal Intent intent = new Intent(CryptKeeper.this, FadeToBlack.class); 17106c5ff4a46686d3f599e40df0768177d3d88913cJason parks finish(); 17206c5ff4a46686d3f599e40df0768177d3d88913cJason parks startActivity(intent); 17306c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else if (failedAttempts == MAX_FAILED_ATTEMPTS) { 17406c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Factory reset the device. 17506c5ff4a46686d3f599e40df0768177d3d88913cJason parks sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR")); 17606c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else if ((failedAttempts % COOL_DOWN_ATTEMPTS) == 0) { 17706c5ff4a46686d3f599e40df0768177d3d88913cJason parks mCooldown = COOL_DOWN_INTERVAL; 17806c5ff4a46686d3f599e40df0768177d3d88913cJason parks cooldown(); 17906c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else { 180bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final TextView status = (TextView) findViewById(R.id.status); 181bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal status.setText(R.string.try_again); 18206c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Reenable the password entry 183b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence if (mPasswordEntry != null) { 184b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence mPasswordEntry.setEnabled(true); 185b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } 18606c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 18706c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 18806c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 18975c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 1900e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private class ValidationTask extends AsyncTask<Void, Void, Boolean> { 1910e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo @Override 1920e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo protected Boolean doInBackground(Void... params) { 193de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final IMountService service = getMountService(); 1940e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo try { 195d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo Log.d(TAG, "Validating encryption state."); 1960e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo int state = service.getEncryptionState(); 1970e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (state == IMountService.ENCRYPTION_STATE_NONE) { 1980e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo Log.w(TAG, "Unexpectedly in CryptKeeper even though there is no encryption."); 1990e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return true; // Unexpected, but fine, I guess... 2000e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2010e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return state == IMountService.ENCRYPTION_STATE_OK; 2020e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } catch (RemoteException e) { 2030e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo Log.w(TAG, "Unable to get encryption state properly"); 2040e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return true; 2050e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2060e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2070e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 2080e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo @Override 2090e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo protected void onPostExecute(Boolean result) { 2100e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo mValidationComplete = true; 2110e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (Boolean.FALSE.equals(result)) { 2120e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo Log.w(TAG, "Incomplete, or corrupted encryption detected. Prompting user to wipe."); 2130e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo mEncryptionGoneBad = true; 214d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo } else { 215d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo Log.d(TAG, "Encryption state validated. Proceeding to configure UI"); 2160e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2170e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo setupUi(); 2180e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2190e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2200e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 22191a2f0566afb91549cbda9289b516154a6467624Ben Komalo private final Handler mHandler = new Handler() { 222ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks @Override 223ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks public void handleMessage(Message msg) { 224ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks switch (msg.what) { 225de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal case MESSAGE_UPDATE_PROGRESS: 226f8217304073b5cd13823a0602568394be93bf310Jason parks updateProgress(); 227ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks break; 22835933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 229de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal case MESSAGE_COOLDOWN: 230f8217304073b5cd13823a0602568394be93bf310Jason parks cooldown(); 231ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks break; 232de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 233de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal case MESSAGE_NOTIFY: 234de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal notifyUser(); 235de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal break; 236ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 237ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 238ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks }; 23935933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 240de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private AudioManager mAudioManager; 241bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal /** The status bar where back/home/recent buttons are shown. */ 242bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal private StatusBarManager mStatusBar; 243bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal 244bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal /** All the widgets to disable in the status bar */ 245bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal final private static int sWidgetsToDisable = StatusBarManager.DISABLE_EXPAND 246bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_NOTIFICATION_ICONS 247bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_NOTIFICATION_ALERTS 248bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_SYSTEM_INFO 249bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_HOME 25066d050bb4b6bf899e363f3e67d1eb5774de744b5Alon Albert | StatusBarManager.DISABLE_SEARCH 251bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal | StatusBarManager.DISABLE_RECENT; 252de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 25391a2f0566afb91549cbda9289b516154a6467624Ben Komalo /** @return whether or not this Activity was started for debugging the UI only. */ 25491a2f0566afb91549cbda9289b516154a6467624Ben Komalo private boolean isDebugView() { 25591a2f0566afb91549cbda9289b516154a6467624Ben Komalo return getIntent().hasExtra(EXTRA_FORCE_VIEW); 25691a2f0566afb91549cbda9289b516154a6467624Ben Komalo } 25791a2f0566afb91549cbda9289b516154a6467624Ben Komalo 25891a2f0566afb91549cbda9289b516154a6467624Ben Komalo /** @return whether or not this Activity was started for debugging the specific UI view only. */ 25991a2f0566afb91549cbda9289b516154a6467624Ben Komalo private boolean isDebugView(String viewType /* non-nullable */) { 26091a2f0566afb91549cbda9289b516154a6467624Ben Komalo return viewType.equals(getIntent().getStringExtra(EXTRA_FORCE_VIEW)); 26191a2f0566afb91549cbda9289b516154a6467624Ben Komalo } 26291a2f0566afb91549cbda9289b516154a6467624Ben Komalo 263de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** 264de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal * Notify the user that we are awaiting input. Currently this sends an audio alert. 265de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal */ 266de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal private void notifyUser() { 267d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal if (mNotificationCountdown > 0) { 268d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal --mNotificationCountdown; 269d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } else if (mAudioManager != null) { 270de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal try { 271de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Play the standard keypress sound at full volume. This should be available on 272de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // every device. We cannot play a ringtone here because media services aren't 273de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // available yet. A DTMF-style tone is too soft to be noticed, and might not exist 274de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // on tablet devices. The idea is to alert the user that something is needed: this 275de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // does not have to be pleasing. 276de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mAudioManager.playSoundEffect(AudioManager.FX_KEYPRESS_STANDARD, 100); 277de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } catch (Exception e) { 278de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal Log.w(TAG, "notifyUser: Exception while playing sound: " + e); 279de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 280de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 28186b93937fa417647d22ee15d3a0aff7a751be17aVikram Aggarwal // Notify the user again in 5 seconds. 282de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_NOTIFY); 28386b93937fa417647d22ee15d3a0aff7a751be17aVikram Aggarwal mHandler.sendEmptyMessageDelayed(MESSAGE_NOTIFY, 5 * 1000); 284de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 285de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 286de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** 287de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal * Ignore back events after the user has entered the decrypt screen and while the device is 288de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal * encrypting. 289de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal */ 290de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal @Override 291de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal public void onBackPressed() { 292bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal // In the rare case that something pressed back even though we were disabled. 293de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal if (mIgnoreBack) 294de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal return; 295de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal super.onBackPressed(); 296de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 297de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal 2988fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks @Override 2998fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks public void onCreate(Bundle savedInstanceState) { 3008fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks super.onCreate(savedInstanceState); 30135933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 3029597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler // If we are not encrypted or encrypting, get out quickly. 303de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final String state = SystemProperties.get("vold.decrypt"); 30491a2f0566afb91549cbda9289b516154a6467624Ben Komalo if (!isDebugView() && ("".equals(state) || DECRYPT_STATE.equals(state))) { 30535933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // Disable the crypt keeper. 3068fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks PackageManager pm = getPackageManager(); 3078fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks ComponentName name = new ComponentName(this, CryptKeeper.class); 308140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn pm.setComponentEnabledSetting(name, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 309140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn PackageManager.DONT_KILL_APP); 310140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // Typically CryptKeeper is launched as the home app. We didn't 311644fa4243b4c288c85845b3f86aab25135635729Dianne Hackborn // want to be running, so need to finish this activity. We can count 312644fa4243b4c288c85845b3f86aab25135635729Dianne Hackborn // on the activity manager re-launching the new home app upon finishing 313644fa4243b4c288c85845b3f86aab25135635729Dianne Hackborn // this one, since this will leave the activity stack empty. 314140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // NOTE: This is really grungy. I think it would be better for the 315140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // activity manager to explicitly launch the crypt keeper instead of 316140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // home in the situation where we need to decrypt the device 317140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn finish(); 3188fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return; 3198fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 32035933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 321b96b35a62b1f092b6322643c3568f3e712543e53Vikram Aggarwal // Disable the status bar, but do NOT disable back because the user needs a way to go 322b96b35a62b1f092b6322643c3568f3e712543e53Vikram Aggarwal // from keyboard settings and back to the password screen. 323bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mStatusBar = (StatusBarManager) getSystemService(Context.STATUS_BAR_SERVICE); 324bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mStatusBar.disable(sWidgetsToDisable); 3251499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 326ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal setAirplaneModeIfNecessary(); 327de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); 3281499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler // Check for (and recover) retained instance data 329de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final Object lastInstance = getLastNonConfigurationInstance(); 3301499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler if (lastInstance instanceof NonConfigurationInstanceState) { 3311499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState retained = (NonConfigurationInstanceState) lastInstance; 3321499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler mWakeLock = retained.wakelock; 3330460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Restoring wakelock from NonConfigurationInstanceState"); 3341499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 335ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 33635933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 3379597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler /** 3389597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * Note, we defer the state check and screen setup to onStart() because this will be 3399597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * re-run if the user clicks the power button (sleeping/waking the screen), and this is 3409597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * especially important if we were to lose the wakelock for any reason. 3419597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler */ 3429597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler @Override 3439597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler public void onStart() { 3449597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler super.onStart(); 345d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo setupUi(); 3460e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 3470e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 3480e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo /** 3490e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo * Initializes the UI based on the current state of encryption. 3500e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo * This is idempotent - calling repeatedly will simply re-initialize the UI. 3510e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo */ 3520e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private void setupUi() { 3530e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (mEncryptionGoneBad || isDebugView(FORCE_VIEW_ERROR)) { 3540e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo setContentView(R.layout.crypt_keeper_progress); 3550e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo showFactoryReset(); 3560e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return; 3570e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 3580e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 359de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final String progress = SystemProperties.get("vold.encrypt_progress"); 3600e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (!"".equals(progress) || isDebugView(FORCE_VIEW_PROGRESS)) { 3619597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler setContentView(R.layout.crypt_keeper_progress); 3629597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler encryptionProgressInit(); 363de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } else if (mValidationComplete || isDebugView(FORCE_VIEW_PASSWORD)) { 364b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence final IMountService service = getMountService(); 365b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence int type = StorageManager.CRYPT_TYPE_PASSWORD; 366b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence try { 367b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence type = service.getPasswordType(); 368b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } catch (Exception e) { 369b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence Log.e(TAG, "Error while getting type - showing default dialog" + e); 370b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } 371b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence 372b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence if(type == StorageManager.CRYPT_TYPE_PIN) { 373b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence setContentView(R.layout.crypt_keeper_pin_entry); 374b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } else if (type == StorageManager.CRYPT_TYPE_PATTERN) { 375b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence setContentView(R.layout.crypt_keeper_pattern_entry); 376b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } else { 377b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence setContentView(R.layout.crypt_keeper_password_entry); 378b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } 3799597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler passwordEntryInit(); 380d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo } else if (!mValidationRequested) { 381d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo // We're supposed to be encrypted, but no validation has been done. 382d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo new ValidationTask().execute((Void[]) null); 383d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo mValidationRequested = true; 3849597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler } 3859597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler } 3869597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler 387f8217304073b5cd13823a0602568394be93bf310Jason parks @Override 388f8217304073b5cd13823a0602568394be93bf310Jason parks public void onStop() { 389f8217304073b5cd13823a0602568394be93bf310Jason parks super.onStop(); 390de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_COOLDOWN); 391de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_UPDATE_PROGRESS); 392de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_NOTIFY); 3931499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 3941499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 3951499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler /** 3961499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * Reconfiguring, so propagate the wakelock to the next instance. This runs between onStop() 3971499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * and onDestroy() and only if we are changing configuration (e.g. rotation). Also clears 3981499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * mWakeLock so the subsequent call to onDestroy does not release it. 3991499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler */ 4001499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler @Override 4011499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler public Object onRetainNonConfigurationInstance() { 4021499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState state = new NonConfigurationInstanceState(mWakeLock); 4030460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Handing wakelock off to NonConfigurationInstanceState"); 4041499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler mWakeLock = null; 4051499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler return state; 4061499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 4071499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 4081499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler @Override 4091499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler public void onDestroy() { 4101499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler super.onDestroy(); 411f8217304073b5cd13823a0602568394be93bf310Jason parks 412f8217304073b5cd13823a0602568394be93bf310Jason parks if (mWakeLock != null) { 4130460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Releasing and destroying wakelock"); 414f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock.release(); 415f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock = null; 416f8217304073b5cd13823a0602568394be93bf310Jason parks } 417f8217304073b5cd13823a0602568394be93bf310Jason parks } 418f8217304073b5cd13823a0602568394be93bf310Jason parks 419de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** 420de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal * Start encrypting the device. 421de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal */ 422ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private void encryptionProgressInit() { 42335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // Accquire a partial wakelock to prevent the device from sleeping. Note 42435933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // we never release this wakelock as we will be restarted after the device 42535933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // is encrypted. 4260460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Encryption progress screen initializing."); 4279ee164f44ea1ad66fa16ed702eb885e36ade0d8bBen Komalo if (mWakeLock == null) { 4280460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Acquiring wakelock."); 4290460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 4300460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG); 4310460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo mWakeLock.acquire(); 4320460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo } 433f8217304073b5cd13823a0602568394be93bf310Jason parks 434bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal ((ProgressBar) findViewById(R.id.progress_bar)).setIndeterminate(true); 435de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Ignore all back presses from now, both hard and soft keys. 436bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal setBackFunctionality(false); 437de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Start the first run of progress manually. This method sets up messages to occur at 438de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // repeated intervals. 439f8217304073b5cd13823a0602568394be93bf310Jason parks updateProgress(); 440f8217304073b5cd13823a0602568394be93bf310Jason parks } 441f8217304073b5cd13823a0602568394be93bf310Jason parks 44213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler private void showFactoryReset() { 44313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Hide the encryption-bot to make room for the "factory reset" button 44413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler findViewById(R.id.encroid).setVisibility(View.GONE); 44513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 44613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Show the reset button, failure text, and a divider 447bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final Button button = (Button) findViewById(R.id.factory_reset); 44813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler button.setVisibility(View.VISIBLE); 44913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler button.setOnClickListener(new OnClickListener() { 450bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal @Override 45113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler public void onClick(View v) { 45213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Factory reset the device. 45313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR")); 45413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 45513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler }); 45613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 457bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal // Alert the user of the failure. 458bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal ((TextView) findViewById(R.id.title)).setText(R.string.crypt_keeper_failed_title); 459bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal ((TextView) findViewById(R.id.status)).setText(R.string.crypt_keeper_failed_summary); 46013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 461bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final View view = findViewById(R.id.bottom_divider); 462bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal // TODO(viki): Why would the bottom divider be missing in certain layouts? Investigate. 463f0104df823a93ef4c3336118ddb02a0924e520daBen Komalo if (view != null) { 464f0104df823a93ef4c3336118ddb02a0924e520daBen Komalo view.setVisibility(View.VISIBLE); 465f0104df823a93ef4c3336118ddb02a0924e520daBen Komalo } 46613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 46713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 468f8217304073b5cd13823a0602568394be93bf310Jason parks private void updateProgress() { 469bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final String state = SystemProperties.get("vold.encrypt_progress"); 470f8217304073b5cd13823a0602568394be93bf310Jason parks 4710e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if ("error_partially_encrypted".equals(state)) { 47213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler showFactoryReset(); 47313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler return; 47413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 47513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 476f8217304073b5cd13823a0602568394be93bf310Jason parks int progress = 0; 477f8217304073b5cd13823a0602568394be93bf310Jason parks try { 47891a2f0566afb91549cbda9289b516154a6467624Ben Komalo // Force a 50% progress state when debugging the view. 47991a2f0566afb91549cbda9289b516154a6467624Ben Komalo progress = isDebugView() ? 50 : Integer.parseInt(state); 480f8217304073b5cd13823a0602568394be93bf310Jason parks } catch (Exception e) { 481f8217304073b5cd13823a0602568394be93bf310Jason parks Log.w(TAG, "Error parsing progress: " + e.toString()); 482f8217304073b5cd13823a0602568394be93bf310Jason parks } 48335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 484bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final CharSequence status = getText(R.string.crypt_keeper_setup_description); 4850460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.v(TAG, "Encryption progress: " + progress); 486bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final TextView tv = (TextView) findViewById(R.id.status); 487de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal if (tv != null) { 488de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal tv.setText(TextUtils.expandTemplate(status, Integer.toString(progress))); 489de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 490f8217304073b5cd13823a0602568394be93bf310Jason parks // Check the progress every 5 seconds 491de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_UPDATE_PROGRESS); 492de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.sendEmptyMessageDelayed(MESSAGE_UPDATE_PROGRESS, 5000); 493f8217304073b5cd13823a0602568394be93bf310Jason parks } 494f8217304073b5cd13823a0602568394be93bf310Jason parks 495de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal /** Disable password input for a while to force the user to waste time between retries */ 496f8217304073b5cd13823a0602568394be93bf310Jason parks private void cooldown() { 497bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final TextView status = (TextView) findViewById(R.id.status); 49813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 499f8217304073b5cd13823a0602568394be93bf310Jason parks if (mCooldown <= 0) { 500de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Re-enable the password entry and back presses. 50106c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(true); 502bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal setBackFunctionality(true); 503f576dd6c9f2470516b2fd8494ad210a77f3c8c1fVikram Aggarwal status.setText(R.string.enter_password); 504f8217304073b5cd13823a0602568394be93bf310Jason parks } else { 50513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler CharSequence template = getText(R.string.crypt_keeper_cooldown); 506bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal status.setText(TextUtils.expandTemplate(template, Integer.toString(mCooldown))); 50713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 508f8217304073b5cd13823a0602568394be93bf310Jason parks mCooldown--; 509de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.removeMessages(MESSAGE_COOLDOWN); 510de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mHandler.sendEmptyMessageDelayed(MESSAGE_COOLDOWN, 1000); // Tick every second 511f8217304073b5cd13823a0602568394be93bf310Jason parks } 512ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 51335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 514bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal /** 515bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal * Sets the back status: enabled or disabled according to the parameter. 516bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal * @param isEnabled true if back is enabled, false otherwise. 517bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal */ 518bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal private final void setBackFunctionality(boolean isEnabled) { 519bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mIgnoreBack = !isEnabled; 520bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal if (isEnabled) { 521bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mStatusBar.disable(sWidgetsToDisable); 522bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal } else { 523bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal mStatusBar.disable(sWidgetsToDisable | StatusBarManager.DISABLE_BACK); 524bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal } 525bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal } 526bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal 527b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence protected LockPatternView.OnPatternListener mChooseNewLockPatternListener = 528b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence new LockPatternView.OnPatternListener() { 529b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence 530b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence @Override 531b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence public void onPatternStart() { 532b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } 533b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence 534b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence @Override 535b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence public void onPatternCleared() { 536b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } 537b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence 538b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence @Override 539b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence public void onPatternDetected(List<LockPatternView.Cell> pattern) { 540b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence new DecryptTask().execute(LockPatternUtils.patternToString(pattern)); 541b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } 542b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence 543b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence @Override 544b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence public void onPatternCellAdded(List<Cell> pattern) { 545b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } 546b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence }; 547b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence 548b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence private void passwordEntryInit() { 549b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence // Password/pin case 55006c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry = (EditText) findViewById(R.id.passwordEntry); 551b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence if (mPasswordEntry != null){ 552b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence mPasswordEntry.setOnEditorActionListener(this); 553b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence mPasswordEntry.requestFocus(); 554b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence // Become quiet when the user interacts with the Edit text screen. 555b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence mPasswordEntry.setOnKeyListener(this); 556b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence mPasswordEntry.setOnTouchListener(this); 557b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence mPasswordEntry.addTextChangedListener(this); 558b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } 559b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence 560b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence // Pattern case 561b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence mLockPatternView = (LockPatternView) findViewById(R.id.lockPattern); 562b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence if (mLockPatternView != null) { 563b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence mLockPatternView.setOnPatternListener(mChooseNewLockPatternListener); 564b05f39d186d8ce1b53bb4da3cb4c2cd22986f513Paul Lawrence } 5659fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 566c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal // Disable the Emergency call button if the device has no voice telephone capability 567c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal final TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); 568c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal if (!tm.isVoiceCapable()) { 569c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal final View emergencyCall = findViewById(R.id.emergencyCallButton); 570c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal if (emergencyCall != null) { 571c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal Log.d(TAG, "Removing the emergency Call button"); 572c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal emergencyCall.setVisibility(View.GONE); 573c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal } 574c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal } 575c62d321e8dcb023e8c7299802a75a271b7ca98d9Vikram Aggarwal 576bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final View imeSwitcher = findViewById(R.id.switch_ime_button); 5779fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final InputMethodManager imm = (InputMethodManager) getSystemService( 5789fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo Context.INPUT_METHOD_SERVICE); 5799fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (imeSwitcher != null && hasMultipleEnabledIMEsOrSubtypes(imm, false)) { 5809fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imeSwitcher.setVisibility(View.VISIBLE); 5819fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imeSwitcher.setOnClickListener(new OnClickListener() { 582bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal @Override 5839fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo public void onClick(View v) { 5849fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imm.showInputMethodPicker(); 5859fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 5869fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo }); 5879fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 5889fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 589de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // We want to keep the screen on while waiting for input. In minimal boot mode, the device 590de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // is completely non-functional, and we want the user to notice the device and enter a 591de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // password. 592de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal if (mWakeLock == null) { 593de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal Log.d(TAG, "Acquiring wakelock."); 594de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 595de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal if (pm != null) { 596de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG); 597de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal mWakeLock.acquire(); 598de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 599de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal } 6009fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // Asynchronously throw up the IME, since there are issues with requesting it to be shown 6019fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // immediately. 6029fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo mHandler.postDelayed(new Runnable() { 6039fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo @Override public void run() { 6049fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imm.showSoftInputUnchecked(0, null); 6059fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 6069fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo }, 0); 6079fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 6089fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo updateEmergencyCallButtonState(); 609d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal // Notify the user in 120 seconds that we are waiting for him to enter the password. 61086b93937fa417647d22ee15d3a0aff7a751be17aVikram Aggarwal mHandler.removeMessages(MESSAGE_NOTIFY); 611d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal mHandler.sendEmptyMessageDelayed(MESSAGE_NOTIFY, 120 * 1000); 612fb3d5cad48876dbd366fd8b562529d355d2428dbJim Miller 613fb3d5cad48876dbd366fd8b562529d355d2428dbJim Miller // Dismiss keyguard while this screen is showing. 614fb3d5cad48876dbd366fd8b562529d355d2428dbJim Miller getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD); 6159fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 61635933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 6179fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo /** 6189fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * Method adapted from com.android.inputmethod.latin.Utils 6199fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * 6209fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * @param imm The input method manager 6219fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * @param shouldIncludeAuxiliarySubtypes 6229fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * @return true if we have multiple IMEs to choose from 6239fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo */ 6249fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo private boolean hasMultipleEnabledIMEsOrSubtypes(InputMethodManager imm, 6259fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final boolean shouldIncludeAuxiliarySubtypes) { 6269fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final List<InputMethodInfo> enabledImis = imm.getEnabledInputMethodList(); 6279fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 6289fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // Number of the filtered IMEs 6299fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo int filteredImisCount = 0; 6309fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 6319fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo for (InputMethodInfo imi : enabledImis) { 6329fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // We can return true immediately after we find two or more filtered IMEs. 6339fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (filteredImisCount > 1) return true; 6349fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final List<InputMethodSubtype> subtypes = 6359fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imm.getEnabledInputMethodSubtypeList(imi, true); 6369fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // IMEs that have no subtypes should be counted. 6379fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (subtypes.isEmpty()) { 6389fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo ++filteredImisCount; 6399fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo continue; 6409fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 64135933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 6429fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo int auxCount = 0; 6439fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo for (InputMethodSubtype subtype : subtypes) { 6449fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (subtype.isAuxiliary()) { 6459fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo ++auxCount; 6469fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 6479fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 6489fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final int nonAuxCount = subtypes.size() - auxCount; 6499fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 6509fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // IMEs that have one or more non-auxiliary subtypes should be counted. 6519fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // If shouldIncludeAuxiliarySubtypes is true, IMEs that have two or more auxiliary 6529fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // subtypes should be counted as well. 6539fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (nonAuxCount > 0 || (shouldIncludeAuxiliarySubtypes && auxCount > 1)) { 6549fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo ++filteredImisCount; 6559fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo continue; 6569fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 65700046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks } 6588373b451692a39abdfd12444241c016831e1a4a4David Brown 6599fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo return filteredImisCount > 1 6609fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // imm.getEnabledInputMethodSubtypeList(null, false) will return the current IME's enabled 6619fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // input method subtype (The current IME should be LatinIME.) 6629fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo || imm.getEnabledInputMethodSubtypeList(null, false).size() > 1; 6638fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6648fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 6658fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks private IMountService getMountService() { 666bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final IBinder service = ServiceManager.getService("mount"); 6678fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks if (service != null) { 6688fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return IMountService.Stub.asInterface(service); 6698fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6708fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return null; 6718fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6728fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 6738fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks @Override 6748fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { 67500046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks if (actionId == EditorInfo.IME_NULL || actionId == EditorInfo.IME_ACTION_DONE) { 6768fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks // Get the password 677bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final String password = v.getText().toString(); 6788fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 679ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks if (TextUtils.isEmpty(password)) { 680ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks return true; 681ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 68235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 6838fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks // Now that we have the password clear the password field. 6848fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks v.setText(null); 6858fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 686de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // Disable the password entry and back keypress while checking the password. These 687de3c9cb412688eb841993ad971d06039d8a952c3Vikram Aggarwal // we either be re-enabled if the password was wrong or after the cooldown period. 68806c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(false); 689bf459dafdc5d97d8f2103c1d2a9cb65f5096e4f8Vikram Aggarwal setBackFunctionality(false); 69006c5ff4a46686d3f599e40df0768177d3d88913cJason parks 6910460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Attempting to send command to decrypt"); 69206c5ff4a46686d3f599e40df0768177d3d88913cJason parks new DecryptTask().execute(password); 69335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 6948fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return true; 6958fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6968fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return false; 6978fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 6988373b451692a39abdfd12444241c016831e1a4a4David Brown 699bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal /** 700ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * Set airplane mode on the device if it isn't an LTE device. 701ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * Full story: In minimal boot mode, we cannot save any state. In particular, we cannot save 702ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * any incoming SMS's. So SMSs that are received here will be silently dropped to the floor. 703ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * That is bad. Also, we cannot receive any telephone calls in this state. So to avoid 704ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * both these problems, we turn the radio off. However, on certain networks turning on and 705ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * off the radio takes a long time. In such cases, we are better off leaving the radio 706ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * running so the latency of an E911 call is short. 707ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * The behavior after this is: 708ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * 1. Emergency dialing: the emergency dialer has logic to force the device out of 709ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * airplane mode and restart the radio. 710ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * 2. Full boot: we read the persistent settings from the previous boot and restore the 711ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * radio to whatever it was before it restarted. This also happens when rebooting a 712ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal * phone that has no encryption. 713ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal */ 714ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal private final void setAirplaneModeIfNecessary() { 715ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal final boolean isLteDevice = 7165543404ae0ec9635b59d37fa01074ea598d539ebWink Saville TelephonyManager.getDefault().getLteOnCdmaMode() == PhoneConstants.LTE_ON_CDMA_TRUE; 717ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal if (!isLteDevice) { 718ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal Log.d(TAG, "Going into airplane mode."); 7196a5929b086a61a955a4a2f43f5fa251e8754ff4aChristopher Tate Settings.Global.putInt(getContentResolver(), Settings.Global.AIRPLANE_MODE_ON, 1); 720ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal final Intent intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED); 721ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal intent.putExtra("state", true); 7226a5929b086a61a955a4a2f43f5fa251e8754ff4aChristopher Tate sendBroadcastAsUser(intent, UserHandle.ALL); 723ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal } 724ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal } 725ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal 726ea1186db19e673b44084b43b6a70bbdb07480aa9Vikram Aggarwal /** 727bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * Code to update the state of, and handle clicks from, the "Emergency call" button. 728bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * 729bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * This code is mostly duplicated from the corresponding code in 730bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal * LockPatternUtils and LockPatternKeyguardView under frameworks/base. 731bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal */ 7328373b451692a39abdfd12444241c016831e1a4a4David Brown private void updateEmergencyCallButtonState() { 733bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final Button emergencyCall = (Button) findViewById(R.id.emergencyCallButton); 7348373b451692a39abdfd12444241c016831e1a4a4David Brown // The button isn't present at all in some configurations. 735bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal if (emergencyCall == null) 736bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal return; 7378373b451692a39abdfd12444241c016831e1a4a4David Brown 7388373b451692a39abdfd12444241c016831e1a4a4David Brown if (isEmergencyCallCapable()) { 739bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setVisibility(View.VISIBLE); 740bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setOnClickListener(new View.OnClickListener() { 741bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal @Override 742bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal 7438373b451692a39abdfd12444241c016831e1a4a4David Brown public void onClick(View v) { 7448373b451692a39abdfd12444241c016831e1a4a4David Brown takeEmergencyCallAction(); 7458373b451692a39abdfd12444241c016831e1a4a4David Brown } 7468373b451692a39abdfd12444241c016831e1a4a4David Brown }); 7478373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 748bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setVisibility(View.GONE); 7498373b451692a39abdfd12444241c016831e1a4a4David Brown return; 7508373b451692a39abdfd12444241c016831e1a4a4David Brown } 7518373b451692a39abdfd12444241c016831e1a4a4David Brown 752bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final int newState = TelephonyManager.getDefault().getCallState(); 7538373b451692a39abdfd12444241c016831e1a4a4David Brown int textId; 7548373b451692a39abdfd12444241c016831e1a4a4David Brown if (newState == TelephonyManager.CALL_STATE_OFFHOOK) { 755bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal // Show "return to call" text and show phone icon 7568373b451692a39abdfd12444241c016831e1a4a4David Brown textId = R.string.cryptkeeper_return_to_call; 757bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final int phoneCallIcon = R.drawable.stat_sys_phone_call; 758bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setCompoundDrawablesWithIntrinsicBounds(phoneCallIcon, 0, 0, 0); 7598373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 7608373b451692a39abdfd12444241c016831e1a4a4David Brown textId = R.string.cryptkeeper_emergency_call; 761bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final int emergencyIcon = R.drawable.ic_emergency; 762bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setCompoundDrawablesWithIntrinsicBounds(emergencyIcon, 0, 0, 0); 7638373b451692a39abdfd12444241c016831e1a4a4David Brown } 764bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal emergencyCall.setText(textId); 7658373b451692a39abdfd12444241c016831e1a4a4David Brown } 7668373b451692a39abdfd12444241c016831e1a4a4David Brown 7678373b451692a39abdfd12444241c016831e1a4a4David Brown private boolean isEmergencyCallCapable() { 7688373b451692a39abdfd12444241c016831e1a4a4David Brown return getResources().getBoolean(com.android.internal.R.bool.config_voice_capable); 7698373b451692a39abdfd12444241c016831e1a4a4David Brown } 7708373b451692a39abdfd12444241c016831e1a4a4David Brown 7718373b451692a39abdfd12444241c016831e1a4a4David Brown private void takeEmergencyCallAction() { 7728373b451692a39abdfd12444241c016831e1a4a4David Brown if (TelephonyManager.getDefault().getCallState() == TelephonyManager.CALL_STATE_OFFHOOK) { 7738373b451692a39abdfd12444241c016831e1a4a4David Brown resumeCall(); 7748373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 7758373b451692a39abdfd12444241c016831e1a4a4David Brown launchEmergencyDialer(); 7768373b451692a39abdfd12444241c016831e1a4a4David Brown } 7778373b451692a39abdfd12444241c016831e1a4a4David Brown } 7788373b451692a39abdfd12444241c016831e1a4a4David Brown 7798373b451692a39abdfd12444241c016831e1a4a4David Brown private void resumeCall() { 780bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); 7818373b451692a39abdfd12444241c016831e1a4a4David Brown if (phone != null) { 7828373b451692a39abdfd12444241c016831e1a4a4David Brown try { 7838373b451692a39abdfd12444241c016831e1a4a4David Brown phone.showCallScreen(); 7848373b451692a39abdfd12444241c016831e1a4a4David Brown } catch (RemoteException e) { 7858373b451692a39abdfd12444241c016831e1a4a4David Brown Log.e(TAG, "Error calling ITelephony service: " + e); 7868373b451692a39abdfd12444241c016831e1a4a4David Brown } 7878373b451692a39abdfd12444241c016831e1a4a4David Brown } 7888373b451692a39abdfd12444241c016831e1a4a4David Brown } 7898373b451692a39abdfd12444241c016831e1a4a4David Brown 7908373b451692a39abdfd12444241c016831e1a4a4David Brown private void launchEmergencyDialer() { 791bfa3a64310162c8f29eae208220988380ffeea6eVikram Aggarwal final Intent intent = new Intent(ACTION_EMERGENCY_DIAL); 7928373b451692a39abdfd12444241c016831e1a4a4David Brown intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 7938373b451692a39abdfd12444241c016831e1a4a4David Brown | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 7948373b451692a39abdfd12444241c016831e1a4a4David Brown startActivity(intent); 7958373b451692a39abdfd12444241c016831e1a4a4David Brown } 796d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 797d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal /** 798d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal * Listen to key events so we can disable sounds when we get a keyinput in EditText. 799d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal */ 800d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal private void delayAudioNotification() { 801d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal mNotificationCountdown = 20; 802d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 803d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 804d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 805d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public boolean onKey(View v, int keyCode, KeyEvent event) { 806d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal delayAudioNotification(); 807d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal return false; 808d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 809d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 810d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 811d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public boolean onTouch(View v, MotionEvent event) { 812d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal delayAudioNotification(); 813d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal return false; 814d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 815d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 816d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 817d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public void beforeTextChanged(CharSequence s, int start, int count, int after) { 818d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal return; 819d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 820d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 821d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 822d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public void onTextChanged(CharSequence s, int start, int before, int count) { 823d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal delayAudioNotification(); 824d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 825d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal 826d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal @Override 827d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal public void afterTextChanged(Editable s) { 828d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal return; 829d1147250dd5fb7022b01a5c899d365069bb625f8Vikram Aggarwal } 8308373b451692a39abdfd12444241c016831e1a4a4David Brown} 831