CryptKeeper.java revision 140f6c6cf705f020c0ee6a2843cf1691cc68e729
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; 2506c5ff4a46686d3f599e40df0768177d3d88913cJason parksimport android.os.AsyncTask; 268fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.Bundle; 27ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.os.Handler; 288fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.IBinder; 29ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.os.Message; 3035933812b16f0b4221280bbcc3c32f6540996bf2Jason parksimport android.os.PowerManager; 318373b451692a39abdfd12444241c016831e1a4a4David Brownimport android.os.RemoteException; 328fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.ServiceManager; 338fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.SystemProperties; 348fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.storage.IMountService; 358373b451692a39abdfd12444241c016831e1a4a4David Brownimport android.telephony.TelephonyManager; 36ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.text.TextUtils; 378fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.util.Log; 388fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.view.KeyEvent; 3913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.view.View; 4013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.view.View.OnClickListener; 418fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.view.inputmethod.EditorInfo; 429fcb6a7fac02aef85085c2db616556257e1642f5Ben Komaloimport android.view.inputmethod.InputMethodInfo; 4375c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parksimport android.view.inputmethod.InputMethodManager; 449fcb6a7fac02aef85085c2db616556257e1642f5Ben Komaloimport android.view.inputmethod.InputMethodSubtype; 4513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.widget.Button; 46ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.widget.EditText; 47ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.widget.ProgressBar; 488fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.widget.TextView; 498fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 5091a2f0566afb91549cbda9289b516154a6467624Ben Komaloimport com.android.internal.telephony.ITelephony; 519fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 529fcb6a7fac02aef85085c2db616556257e1642f5Ben Komaloimport java.util.List; 5391a2f0566afb91549cbda9289b516154a6467624Ben Komalo 5491a2f0566afb91549cbda9289b516154a6467624Ben Komalo/** 5591a2f0566afb91549cbda9289b516154a6467624Ben Komalo * Settings screens to show the UI flows for encrypting/decrypting the device. 5691a2f0566afb91549cbda9289b516154a6467624Ben Komalo * 5791a2f0566afb91549cbda9289b516154a6467624Ben Komalo * This may be started via adb for debugging the UI layout, without having to go through 5891a2f0566afb91549cbda9289b516154a6467624Ben Komalo * encryption flows everytime. It should be noted that starting the activity in this manner 5991a2f0566afb91549cbda9289b516154a6467624Ben Komalo * is only useful for verifying UI-correctness - the behavior will not be identical. 6091a2f0566afb91549cbda9289b516154a6467624Ben Komalo * <pre> 6191a2f0566afb91549cbda9289b516154a6467624Ben Komalo * $ adb shell pm enable com.android.settings/.CryptKeeper 6291a2f0566afb91549cbda9289b516154a6467624Ben Komalo * $ adb shell am start \ 6391a2f0566afb91549cbda9289b516154a6467624Ben Komalo * -e "com.android.settings.CryptKeeper.DEBUG_FORCE_VIEW" "progress" \ 6491a2f0566afb91549cbda9289b516154a6467624Ben Komalo * -n com.android.settings/.CryptKeeper 6591a2f0566afb91549cbda9289b516154a6467624Ben Komalo * </pre> 6691a2f0566afb91549cbda9289b516154a6467624Ben Komalo */ 678fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parkspublic class CryptKeeper extends Activity implements TextView.OnEditorActionListener { 68ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final String TAG = "CryptKeeper"; 6935933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 708fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks private static final String DECRYPT_STATE = "trigger_restart_framework"; 71ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 72ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int UPDATE_PROGRESS = 1; 73ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOLDOWN = 2; 74ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 75ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int MAX_FAILED_ATTEMPTS = 30; 76ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOL_DOWN_ATTEMPTS = 10; 77ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOL_DOWN_INTERVAL = 30; // 30 seconds 78ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 798373b451692a39abdfd12444241c016831e1a4a4David Brown // Intent action for launching the Emergency Dialer activity. 808373b451692a39abdfd12444241c016831e1a4a4David Brown static final String ACTION_EMERGENCY_DIAL = "com.android.phone.EmergencyDialer.DIAL"; 818373b451692a39abdfd12444241c016831e1a4a4David Brown 8291a2f0566afb91549cbda9289b516154a6467624Ben Komalo // Debug Intent extras so that this Activity may be started via adb for debugging UI layouts 8391a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String EXTRA_FORCE_VIEW = 8491a2f0566afb91549cbda9289b516154a6467624Ben Komalo "com.android.settings.CryptKeeper.DEBUG_FORCE_VIEW"; 8591a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_PROGRESS = "progress"; 8691a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_ENTRY = "entry"; 8791a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_ERROR = "error"; 8891a2f0566afb91549cbda9289b516154a6467624Ben Komalo 890e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo /** When encryption is detected, this flag indivates whether or not we've checked for erros. */ 900e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private boolean mValidationComplete; 91d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo private boolean mValidationRequested; 920e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo /** A flag to indicate that the volume is in a bad state (e.g. partially encrypted). */ 930e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private boolean mEncryptionGoneBad; 940e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 951499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler private int mCooldown; 961499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler PowerManager.WakeLock mWakeLock; 9706c5ff4a46686d3f599e40df0768177d3d88913cJason parks private EditText mPasswordEntry; 981499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 991499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler /** 1001499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * Used to propagate state through configuration changes (e.g. screen rotation) 1011499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler */ 1021499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler private static class NonConfigurationInstanceState { 1031499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler final PowerManager.WakeLock wakelock; 1041499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 1051499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState(PowerManager.WakeLock _wakelock) { 1061499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler wakelock = _wakelock; 1071499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 1081499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 1091499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 110f1dbf55819e01f6cf1a99d38a292b15de1262a29Jason parks // This activity is used to fade the screen to black after the password is entered. 111f1dbf55819e01f6cf1a99d38a292b15de1262a29Jason parks public static class Blank extends Activity { 11213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler @Override 11313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler public void onCreate(Bundle savedInstanceState) { 11413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler super.onCreate(savedInstanceState); 11513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler setContentView(R.layout.crypt_keeper_blank); 11613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 117f1dbf55819e01f6cf1a99d38a292b15de1262a29Jason parks } 118ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 11906c5ff4a46686d3f599e40df0768177d3d88913cJason parks private class DecryptTask extends AsyncTask<String, Void, Integer> { 12006c5ff4a46686d3f599e40df0768177d3d88913cJason parks @Override 12106c5ff4a46686d3f599e40df0768177d3d88913cJason parks protected Integer doInBackground(String... params) { 12206c5ff4a46686d3f599e40df0768177d3d88913cJason parks IMountService service = getMountService(); 12306c5ff4a46686d3f599e40df0768177d3d88913cJason parks try { 12406c5ff4a46686d3f599e40df0768177d3d88913cJason parks return service.decryptStorage(params[0]); 12506c5ff4a46686d3f599e40df0768177d3d88913cJason parks } catch (Exception e) { 12606c5ff4a46686d3f599e40df0768177d3d88913cJason parks Log.e(TAG, "Error while decrypting...", e); 12706c5ff4a46686d3f599e40df0768177d3d88913cJason parks return -1; 12806c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 12906c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 13006c5ff4a46686d3f599e40df0768177d3d88913cJason parks 13106c5ff4a46686d3f599e40df0768177d3d88913cJason parks @Override 13206c5ff4a46686d3f599e40df0768177d3d88913cJason parks protected void onPostExecute(Integer failedAttempts) { 13306c5ff4a46686d3f599e40df0768177d3d88913cJason parks if (failedAttempts == 0) { 13406c5ff4a46686d3f599e40df0768177d3d88913cJason parks // The password was entered successfully. Start the Blank activity 13506c5ff4a46686d3f599e40df0768177d3d88913cJason parks // so this activity animates to black before the devices starts. Note 13606c5ff4a46686d3f599e40df0768177d3d88913cJason parks // It has 1 second to complete the animation or it will be frozen 13706c5ff4a46686d3f599e40df0768177d3d88913cJason parks // until the boot animation comes back up. 13806c5ff4a46686d3f599e40df0768177d3d88913cJason parks Intent intent = new Intent(CryptKeeper.this, Blank.class); 13906c5ff4a46686d3f599e40df0768177d3d88913cJason parks finish(); 14006c5ff4a46686d3f599e40df0768177d3d88913cJason parks startActivity(intent); 14106c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else if (failedAttempts == MAX_FAILED_ATTEMPTS) { 14206c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Factory reset the device. 14306c5ff4a46686d3f599e40df0768177d3d88913cJason parks sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR")); 14406c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else if ((failedAttempts % COOL_DOWN_ATTEMPTS) == 0) { 14506c5ff4a46686d3f599e40df0768177d3d88913cJason parks mCooldown = COOL_DOWN_INTERVAL; 14606c5ff4a46686d3f599e40df0768177d3d88913cJason parks cooldown(); 14706c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else { 14806c5ff4a46686d3f599e40df0768177d3d88913cJason parks TextView tv = (TextView) findViewById(R.id.status); 14906c5ff4a46686d3f599e40df0768177d3d88913cJason parks tv.setText(R.string.try_again); 15006c5ff4a46686d3f599e40df0768177d3d88913cJason parks tv.setVisibility(View.VISIBLE); 15106c5ff4a46686d3f599e40df0768177d3d88913cJason parks 15206c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Reenable the password entry 15306c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(true); 15406c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 15506c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 15606c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 15775c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 1580e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private class ValidationTask extends AsyncTask<Void, Void, Boolean> { 1590e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo @Override 1600e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo protected Boolean doInBackground(Void... params) { 1610e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo IMountService service = getMountService(); 1620e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo try { 163d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo Log.d(TAG, "Validating encryption state."); 1640e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo int state = service.getEncryptionState(); 1650e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (state == IMountService.ENCRYPTION_STATE_NONE) { 1660e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo Log.w(TAG, "Unexpectedly in CryptKeeper even though there is no encryption."); 1670e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return true; // Unexpected, but fine, I guess... 1680e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 1690e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return state == IMountService.ENCRYPTION_STATE_OK; 1700e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } catch (RemoteException e) { 1710e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo Log.w(TAG, "Unable to get encryption state properly"); 1720e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return true; 1730e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 1740e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 1750e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 1760e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo @Override 1770e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo protected void onPostExecute(Boolean result) { 1780e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo mValidationComplete = true; 1790e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (Boolean.FALSE.equals(result)) { 1800e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo Log.w(TAG, "Incomplete, or corrupted encryption detected. Prompting user to wipe."); 1810e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo mEncryptionGoneBad = true; 182d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo } else { 183d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo Log.d(TAG, "Encryption state validated. Proceeding to configure UI"); 1840e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 1850e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo setupUi(); 1860e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 1870e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 1880e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 18991a2f0566afb91549cbda9289b516154a6467624Ben Komalo private final Handler mHandler = new Handler() { 190ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks @Override 191ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks public void handleMessage(Message msg) { 192ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks switch (msg.what) { 193ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks case UPDATE_PROGRESS: 194f8217304073b5cd13823a0602568394be93bf310Jason parks updateProgress(); 195ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks break; 19635933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 197ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks case COOLDOWN: 198f8217304073b5cd13823a0602568394be93bf310Jason parks cooldown(); 199ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks break; 200ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 201ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 202ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks }; 20335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 20491a2f0566afb91549cbda9289b516154a6467624Ben Komalo /** @return whether or not this Activity was started for debugging the UI only. */ 20591a2f0566afb91549cbda9289b516154a6467624Ben Komalo private boolean isDebugView() { 20691a2f0566afb91549cbda9289b516154a6467624Ben Komalo return getIntent().hasExtra(EXTRA_FORCE_VIEW); 20791a2f0566afb91549cbda9289b516154a6467624Ben Komalo } 20891a2f0566afb91549cbda9289b516154a6467624Ben Komalo 20991a2f0566afb91549cbda9289b516154a6467624Ben Komalo /** @return whether or not this Activity was started for debugging the specific UI view only. */ 21091a2f0566afb91549cbda9289b516154a6467624Ben Komalo private boolean isDebugView(String viewType /* non-nullable */) { 21191a2f0566afb91549cbda9289b516154a6467624Ben Komalo return viewType.equals(getIntent().getStringExtra(EXTRA_FORCE_VIEW)); 21291a2f0566afb91549cbda9289b516154a6467624Ben Komalo } 21391a2f0566afb91549cbda9289b516154a6467624Ben Komalo 2148fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks @Override 2158fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks public void onCreate(Bundle savedInstanceState) { 2168fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks super.onCreate(savedInstanceState); 21735933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 2189597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler // If we are not encrypted or encrypting, get out quickly. 2198fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks String state = SystemProperties.get("vold.decrypt"); 22091a2f0566afb91549cbda9289b516154a6467624Ben Komalo if (!isDebugView() && ("".equals(state) || DECRYPT_STATE.equals(state))) { 22135933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // Disable the crypt keeper. 2228fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks PackageManager pm = getPackageManager(); 2238fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks ComponentName name = new ComponentName(this, CryptKeeper.class); 224140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn pm.setComponentEnabledSetting(name, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 225140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn PackageManager.DONT_KILL_APP); 226140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // Typically CryptKeeper is launched as the home app. We didn't 227140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // want to be running, so need to finish this activity and re-launch 228140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // its intent now that we are not in the way of doing what is really 229140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // supposed to happen. 230140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // NOTE: This is really grungy. I think it would be better for the 231140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // activity manager to explicitly launch the crypt keeper instead of 232140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn // home in the situation where we need to decrypt the device 233140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn finish(); 234140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn Intent intent = getIntent(); 235140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 236140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn intent.setComponent(null); 237140f6c6cf705f020c0ee6a2843cf1691cc68e729Dianne Hackborn startActivity(intent); 2388fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return; 2398fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 24035933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 24139f1e04079976d3d10fdd8e5dd36c833bab8a371Jason parks // Disable the status bar 24239f1e04079976d3d10fdd8e5dd36c833bab8a371Jason parks StatusBarManager sbm = (StatusBarManager) getSystemService(Context.STATUS_BAR_SERVICE); 24313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler sbm.disable(StatusBarManager.DISABLE_EXPAND 24413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler | StatusBarManager.DISABLE_NOTIFICATION_ICONS 24539f1e04079976d3d10fdd8e5dd36c833bab8a371Jason parks | StatusBarManager.DISABLE_NOTIFICATION_ALERTS 24613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler | StatusBarManager.DISABLE_SYSTEM_INFO 2474d2bfd149118c8b82827d76d1d110fd5c65294c8Daniel Sandler | StatusBarManager.DISABLE_HOME 2484d2bfd149118c8b82827d76d1d110fd5c65294c8Daniel Sandler | StatusBarManager.DISABLE_RECENT 24913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler | StatusBarManager.DISABLE_BACK); 2501499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 2511499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler // Check for (and recover) retained instance data 2521499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler Object lastInstance = getLastNonConfigurationInstance(); 2531499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler if (lastInstance instanceof NonConfigurationInstanceState) { 2541499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState retained = (NonConfigurationInstanceState) lastInstance; 2551499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler mWakeLock = retained.wakelock; 2560460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Restoring wakelock from NonConfigurationInstanceState"); 2571499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 258ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 25935933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 2609597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler /** 2619597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * Note, we defer the state check and screen setup to onStart() because this will be 2629597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * re-run if the user clicks the power button (sleeping/waking the screen), and this is 2639597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * especially important if we were to lose the wakelock for any reason. 2649597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler */ 2659597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler @Override 2669597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler public void onStart() { 2679597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler super.onStart(); 2689597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler 269d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo setupUi(); 2700e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2710e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 2720e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo /** 2730e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo * Initializes the UI based on the current state of encryption. 2740e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo * This is idempotent - calling repeatedly will simply re-initialize the UI. 2750e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo */ 2760e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo private void setupUi() { 2770e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (mEncryptionGoneBad || isDebugView(FORCE_VIEW_ERROR)) { 2780e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo setContentView(R.layout.crypt_keeper_progress); 2790e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo showFactoryReset(); 2800e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo return; 2810e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo } 2820e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo 2839597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler String progress = SystemProperties.get("vold.encrypt_progress"); 2840e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if (!"".equals(progress) || isDebugView(FORCE_VIEW_PROGRESS)) { 2859597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler setContentView(R.layout.crypt_keeper_progress); 2869597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler encryptionProgressInit(); 287d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo } else if (mValidationComplete) { 2889597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler setContentView(R.layout.crypt_keeper_password_entry); 2899597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler passwordEntryInit(); 290d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo } else if (!mValidationRequested) { 291d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo // We're supposed to be encrypted, but no validation has been done. 292d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo new ValidationTask().execute((Void[]) null); 293d4758efef6d6564d7b4b0b747d0a9ae9b44a38c7Ben Komalo mValidationRequested = true; 2949597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler } 2959597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler } 2969597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler 297f8217304073b5cd13823a0602568394be93bf310Jason parks @Override 298f8217304073b5cd13823a0602568394be93bf310Jason parks public void onStop() { 299f8217304073b5cd13823a0602568394be93bf310Jason parks super.onStop(); 300f8217304073b5cd13823a0602568394be93bf310Jason parks 301f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.removeMessages(COOLDOWN); 302f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.removeMessages(UPDATE_PROGRESS); 3031499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 3041499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 3051499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler /** 3061499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * Reconfiguring, so propagate the wakelock to the next instance. This runs between onStop() 3071499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * and onDestroy() and only if we are changing configuration (e.g. rotation). Also clears 3081499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * mWakeLock so the subsequent call to onDestroy does not release it. 3091499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler */ 3101499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler @Override 3111499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler public Object onRetainNonConfigurationInstance() { 3121499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState state = new NonConfigurationInstanceState(mWakeLock); 3130460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Handing wakelock off to NonConfigurationInstanceState"); 3141499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler mWakeLock = null; 3151499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler return state; 3161499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 3171499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 3181499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler @Override 3191499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler public void onDestroy() { 3201499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler super.onDestroy(); 321f8217304073b5cd13823a0602568394be93bf310Jason parks 322f8217304073b5cd13823a0602568394be93bf310Jason parks if (mWakeLock != null) { 3230460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Releasing and destroying wakelock"); 324f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock.release(); 325f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock = null; 326f8217304073b5cd13823a0602568394be93bf310Jason parks } 327f8217304073b5cd13823a0602568394be93bf310Jason parks } 328f8217304073b5cd13823a0602568394be93bf310Jason parks 329ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private void encryptionProgressInit() { 33035933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // Accquire a partial wakelock to prevent the device from sleeping. Note 33135933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // we never release this wakelock as we will be restarted after the device 33235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // is encrypted. 33335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 3340460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Encryption progress screen initializing."); 3359ee164f44ea1ad66fa16ed702eb885e36ade0d8bBen Komalo if (mWakeLock == null) { 3360460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Acquiring wakelock."); 3370460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 3380460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG); 3390460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo mWakeLock.acquire(); 3400460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo } 341f8217304073b5cd13823a0602568394be93bf310Jason parks 342f8217304073b5cd13823a0602568394be93bf310Jason parks ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar); 343f8217304073b5cd13823a0602568394be93bf310Jason parks progressBar.setIndeterminate(true); 34435933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 345f8217304073b5cd13823a0602568394be93bf310Jason parks updateProgress(); 346f8217304073b5cd13823a0602568394be93bf310Jason parks } 347f8217304073b5cd13823a0602568394be93bf310Jason parks 34813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler private void showFactoryReset() { 34913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Hide the encryption-bot to make room for the "factory reset" button 35013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler findViewById(R.id.encroid).setVisibility(View.GONE); 35113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 35213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Show the reset button, failure text, and a divider 35313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler Button button = (Button) findViewById(R.id.factory_reset); 35413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler button.setVisibility(View.VISIBLE); 35513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler button.setOnClickListener(new OnClickListener() { 35613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler public void onClick(View v) { 35713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Factory reset the device. 35813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR")); 35913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 36013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler }); 36113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 36213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler TextView tv = (TextView) findViewById(R.id.title); 36313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setText(R.string.crypt_keeper_failed_title); 36413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 36513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv = (TextView) findViewById(R.id.status); 36613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setText(R.string.crypt_keeper_failed_summary); 36713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 36813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler View view = findViewById(R.id.bottom_divider); 369f0104df823a93ef4c3336118ddb02a0924e520daBen Komalo if (view != null) { 370f0104df823a93ef4c3336118ddb02a0924e520daBen Komalo view.setVisibility(View.VISIBLE); 371f0104df823a93ef4c3336118ddb02a0924e520daBen Komalo } 37213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 37313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 374f8217304073b5cd13823a0602568394be93bf310Jason parks private void updateProgress() { 375f8217304073b5cd13823a0602568394be93bf310Jason parks String state = SystemProperties.get("vold.encrypt_progress"); 376f8217304073b5cd13823a0602568394be93bf310Jason parks 3770e66609c95047ba7e5c0408bdc88af4315fd35b1Ben Komalo if ("error_partially_encrypted".equals(state)) { 37813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler showFactoryReset(); 37913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler return; 38013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 38113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 382f8217304073b5cd13823a0602568394be93bf310Jason parks int progress = 0; 383f8217304073b5cd13823a0602568394be93bf310Jason parks try { 38491a2f0566afb91549cbda9289b516154a6467624Ben Komalo // Force a 50% progress state when debugging the view. 38591a2f0566afb91549cbda9289b516154a6467624Ben Komalo progress = isDebugView() ? 50 : Integer.parseInt(state); 386f8217304073b5cd13823a0602568394be93bf310Jason parks } catch (Exception e) { 387f8217304073b5cd13823a0602568394be93bf310Jason parks Log.w(TAG, "Error parsing progress: " + e.toString()); 388f8217304073b5cd13823a0602568394be93bf310Jason parks } 38935933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 390f8217304073b5cd13823a0602568394be93bf310Jason parks CharSequence status = getText(R.string.crypt_keeper_setup_description); 3910460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.v(TAG, "Encryption progress: " + progress); 392f8217304073b5cd13823a0602568394be93bf310Jason parks TextView tv = (TextView) findViewById(R.id.status); 393f8217304073b5cd13823a0602568394be93bf310Jason parks tv.setText(TextUtils.expandTemplate(status, Integer.toString(progress))); 394f8217304073b5cd13823a0602568394be93bf310Jason parks 395f8217304073b5cd13823a0602568394be93bf310Jason parks // Check the progress every 5 seconds 396f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.removeMessages(UPDATE_PROGRESS); 397f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.sendEmptyMessageDelayed(UPDATE_PROGRESS, 5000); 398f8217304073b5cd13823a0602568394be93bf310Jason parks } 399f8217304073b5cd13823a0602568394be93bf310Jason parks 400f8217304073b5cd13823a0602568394be93bf310Jason parks private void cooldown() { 401f8217304073b5cd13823a0602568394be93bf310Jason parks TextView tv = (TextView) findViewById(R.id.status); 40213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 403f8217304073b5cd13823a0602568394be93bf310Jason parks if (mCooldown <= 0) { 404f8217304073b5cd13823a0602568394be93bf310Jason parks // Re-enable the password entry 40506c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(true); 406f8217304073b5cd13823a0602568394be93bf310Jason parks 40713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setVisibility(View.GONE); 408f8217304073b5cd13823a0602568394be93bf310Jason parks } else { 40913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler CharSequence template = getText(R.string.crypt_keeper_cooldown); 41013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setText(TextUtils.expandTemplate(template, Integer.toString(mCooldown))); 41113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 41213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setVisibility(View.VISIBLE); 413f8217304073b5cd13823a0602568394be93bf310Jason parks 414f8217304073b5cd13823a0602568394be93bf310Jason parks mCooldown--; 415f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.removeMessages(COOLDOWN); 416f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.sendEmptyMessageDelayed(COOLDOWN, 1000); // Tick every second 417f8217304073b5cd13823a0602568394be93bf310Jason parks } 418ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 41935933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 420ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private void passwordEntryInit() { 42106c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry = (EditText) findViewById(R.id.passwordEntry); 42206c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setOnEditorActionListener(this); 4239fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo mPasswordEntry.requestFocus(); 4249fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 4259fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo View imeSwitcher = findViewById(R.id.switch_ime_button); 4269fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final InputMethodManager imm = (InputMethodManager) getSystemService( 4279fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo Context.INPUT_METHOD_SERVICE); 4289fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (imeSwitcher != null && hasMultipleEnabledIMEsOrSubtypes(imm, false)) { 4299fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imeSwitcher.setVisibility(View.VISIBLE); 4309fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imeSwitcher.setOnClickListener(new OnClickListener() { 4319fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo public void onClick(View v) { 4329fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imm.showInputMethodPicker(); 4339fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 4349fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo }); 4359fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 4369fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 4379fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // Asynchronously throw up the IME, since there are issues with requesting it to be shown 4389fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // immediately. 4399fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo mHandler.postDelayed(new Runnable() { 4409fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo @Override public void run() { 4419fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imm.showSoftInputUnchecked(0, null); 4429fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 4439fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo }, 0); 4449fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 4459fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo updateEmergencyCallButtonState(); 4469fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 44735933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 4489fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo /** 4499fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * Method adapted from com.android.inputmethod.latin.Utils 4509fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * 4519fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * @param imm The input method manager 4529fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * @param shouldIncludeAuxiliarySubtypes 4539fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo * @return true if we have multiple IMEs to choose from 4549fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo */ 4559fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo private boolean hasMultipleEnabledIMEsOrSubtypes(InputMethodManager imm, 4569fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final boolean shouldIncludeAuxiliarySubtypes) { 4579fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final List<InputMethodInfo> enabledImis = imm.getEnabledInputMethodList(); 4589fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 4599fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // Number of the filtered IMEs 4609fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo int filteredImisCount = 0; 4619fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 4629fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo for (InputMethodInfo imi : enabledImis) { 4639fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // We can return true immediately after we find two or more filtered IMEs. 4649fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (filteredImisCount > 1) return true; 4659fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final List<InputMethodSubtype> subtypes = 4669fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo imm.getEnabledInputMethodSubtypeList(imi, true); 4679fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // IMEs that have no subtypes should be counted. 4689fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (subtypes.isEmpty()) { 4699fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo ++filteredImisCount; 4709fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo continue; 4719fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 47235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 4739fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo int auxCount = 0; 4749fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo for (InputMethodSubtype subtype : subtypes) { 4759fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (subtype.isAuxiliary()) { 4769fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo ++auxCount; 4779fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 4789fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 4799fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo final int nonAuxCount = subtypes.size() - auxCount; 4809fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo 4819fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // IMEs that have one or more non-auxiliary subtypes should be counted. 4829fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // If shouldIncludeAuxiliarySubtypes is true, IMEs that have two or more auxiliary 4839fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // subtypes should be counted as well. 4849fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo if (nonAuxCount > 0 || (shouldIncludeAuxiliarySubtypes && auxCount > 1)) { 4859fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo ++filteredImisCount; 4869fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo continue; 4879fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo } 48800046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks } 4898373b451692a39abdfd12444241c016831e1a4a4David Brown 4909fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo return filteredImisCount > 1 4919fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // imm.getEnabledInputMethodSubtypeList(null, false) will return the current IME's enabled 4929fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo // input method subtype (The current IME should be LatinIME.) 4939fcb6a7fac02aef85085c2db616556257e1642f5Ben Komalo || imm.getEnabledInputMethodSubtypeList(null, false).size() > 1; 4948fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 4958fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 4968fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks private IMountService getMountService() { 4978fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks IBinder service = ServiceManager.getService("mount"); 4988fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks if (service != null) { 4998fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return IMountService.Stub.asInterface(service); 5008fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 5018fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return null; 5028fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 5038fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 5048fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks @Override 5058fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { 50600046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks if (actionId == EditorInfo.IME_NULL || actionId == EditorInfo.IME_ACTION_DONE) { 5078fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks // Get the password 5088fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks String password = v.getText().toString(); 5098fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 510ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks if (TextUtils.isEmpty(password)) { 511ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks return true; 512ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 51335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 5148fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks // Now that we have the password clear the password field. 5158fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks v.setText(null); 5168fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 51706c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Disable the password entry while checking the password. This 51806c5ff4a46686d3f599e40df0768177d3d88913cJason parks // we either be reenabled if the password was wrong or after the 51906c5ff4a46686d3f599e40df0768177d3d88913cJason parks // cooldown period. 52006c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(false); 52106c5ff4a46686d3f599e40df0768177d3d88913cJason parks 5220460675b7c0d5a9b02dae01578c64ff0453e4fb7Ben Komalo Log.d(TAG, "Attempting to send command to decrypt"); 52306c5ff4a46686d3f599e40df0768177d3d88913cJason parks new DecryptTask().execute(password); 52435933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 5258fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return true; 5268fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 5278fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return false; 5288fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 5298373b451692a39abdfd12444241c016831e1a4a4David Brown 5308373b451692a39abdfd12444241c016831e1a4a4David Brown // 5318373b451692a39abdfd12444241c016831e1a4a4David Brown // Code to update the state of, and handle clicks from, the "Emergency call" button. 5328373b451692a39abdfd12444241c016831e1a4a4David Brown // 5338373b451692a39abdfd12444241c016831e1a4a4David Brown // This code is mostly duplicated from the corresponding code in 5348373b451692a39abdfd12444241c016831e1a4a4David Brown // LockPatternUtils and LockPatternKeyguardView under frameworks/base. 5358373b451692a39abdfd12444241c016831e1a4a4David Brown // 5368373b451692a39abdfd12444241c016831e1a4a4David Brown 5378373b451692a39abdfd12444241c016831e1a4a4David Brown private void updateEmergencyCallButtonState() { 5388373b451692a39abdfd12444241c016831e1a4a4David Brown Button button = (Button) findViewById(R.id.emergencyCallButton); 5398373b451692a39abdfd12444241c016831e1a4a4David Brown // The button isn't present at all in some configurations. 5408373b451692a39abdfd12444241c016831e1a4a4David Brown if (button == null) return; 5418373b451692a39abdfd12444241c016831e1a4a4David Brown 5428373b451692a39abdfd12444241c016831e1a4a4David Brown if (isEmergencyCallCapable()) { 5438373b451692a39abdfd12444241c016831e1a4a4David Brown button.setVisibility(View.VISIBLE); 5448373b451692a39abdfd12444241c016831e1a4a4David Brown button.setOnClickListener(new View.OnClickListener() { 5458373b451692a39abdfd12444241c016831e1a4a4David Brown public void onClick(View v) { 5468373b451692a39abdfd12444241c016831e1a4a4David Brown takeEmergencyCallAction(); 5478373b451692a39abdfd12444241c016831e1a4a4David Brown } 5488373b451692a39abdfd12444241c016831e1a4a4David Brown }); 5498373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 5508373b451692a39abdfd12444241c016831e1a4a4David Brown button.setVisibility(View.GONE); 5518373b451692a39abdfd12444241c016831e1a4a4David Brown return; 5528373b451692a39abdfd12444241c016831e1a4a4David Brown } 5538373b451692a39abdfd12444241c016831e1a4a4David Brown 5548373b451692a39abdfd12444241c016831e1a4a4David Brown int newState = TelephonyManager.getDefault().getCallState(); 5558373b451692a39abdfd12444241c016831e1a4a4David Brown int textId; 5568373b451692a39abdfd12444241c016831e1a4a4David Brown if (newState == TelephonyManager.CALL_STATE_OFFHOOK) { 5578373b451692a39abdfd12444241c016831e1a4a4David Brown // show "return to call" text and show phone icon 5588373b451692a39abdfd12444241c016831e1a4a4David Brown textId = R.string.cryptkeeper_return_to_call; 5598373b451692a39abdfd12444241c016831e1a4a4David Brown int phoneCallIcon = R.drawable.stat_sys_phone_call; 5608373b451692a39abdfd12444241c016831e1a4a4David Brown button.setCompoundDrawablesWithIntrinsicBounds(phoneCallIcon, 0, 0, 0); 5618373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 5628373b451692a39abdfd12444241c016831e1a4a4David Brown textId = R.string.cryptkeeper_emergency_call; 5638373b451692a39abdfd12444241c016831e1a4a4David Brown int emergencyIcon = R.drawable.ic_emergency; 5648373b451692a39abdfd12444241c016831e1a4a4David Brown button.setCompoundDrawablesWithIntrinsicBounds(emergencyIcon, 0, 0, 0); 5658373b451692a39abdfd12444241c016831e1a4a4David Brown } 5668373b451692a39abdfd12444241c016831e1a4a4David Brown button.setText(textId); 5678373b451692a39abdfd12444241c016831e1a4a4David Brown } 5688373b451692a39abdfd12444241c016831e1a4a4David Brown 5698373b451692a39abdfd12444241c016831e1a4a4David Brown private boolean isEmergencyCallCapable() { 5708373b451692a39abdfd12444241c016831e1a4a4David Brown return getResources().getBoolean(com.android.internal.R.bool.config_voice_capable); 5718373b451692a39abdfd12444241c016831e1a4a4David Brown } 5728373b451692a39abdfd12444241c016831e1a4a4David Brown 5738373b451692a39abdfd12444241c016831e1a4a4David Brown private void takeEmergencyCallAction() { 5748373b451692a39abdfd12444241c016831e1a4a4David Brown if (TelephonyManager.getDefault().getCallState() == TelephonyManager.CALL_STATE_OFFHOOK) { 5758373b451692a39abdfd12444241c016831e1a4a4David Brown resumeCall(); 5768373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 5778373b451692a39abdfd12444241c016831e1a4a4David Brown launchEmergencyDialer(); 5788373b451692a39abdfd12444241c016831e1a4a4David Brown } 5798373b451692a39abdfd12444241c016831e1a4a4David Brown } 5808373b451692a39abdfd12444241c016831e1a4a4David Brown 5818373b451692a39abdfd12444241c016831e1a4a4David Brown private void resumeCall() { 5828373b451692a39abdfd12444241c016831e1a4a4David Brown ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); 5838373b451692a39abdfd12444241c016831e1a4a4David Brown if (phone != null) { 5848373b451692a39abdfd12444241c016831e1a4a4David Brown try { 5858373b451692a39abdfd12444241c016831e1a4a4David Brown phone.showCallScreen(); 5868373b451692a39abdfd12444241c016831e1a4a4David Brown } catch (RemoteException e) { 5878373b451692a39abdfd12444241c016831e1a4a4David Brown Log.e(TAG, "Error calling ITelephony service: " + e); 5888373b451692a39abdfd12444241c016831e1a4a4David Brown } 5898373b451692a39abdfd12444241c016831e1a4a4David Brown } 5908373b451692a39abdfd12444241c016831e1a4a4David Brown } 5918373b451692a39abdfd12444241c016831e1a4a4David Brown 5928373b451692a39abdfd12444241c016831e1a4a4David Brown private void launchEmergencyDialer() { 5938373b451692a39abdfd12444241c016831e1a4a4David Brown Intent intent = new Intent(ACTION_EMERGENCY_DIAL); 5948373b451692a39abdfd12444241c016831e1a4a4David Brown intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 5958373b451692a39abdfd12444241c016831e1a4a4David Brown | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 5968373b451692a39abdfd12444241c016831e1a4a4David Brown startActivity(intent); 5978373b451692a39abdfd12444241c016831e1a4a4David Brown } 5988373b451692a39abdfd12444241c016831e1a4a4David Brown} 599