CryptKeeper.java revision 91a2f0566afb91549cbda9289b516154a6467624
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; 2575c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parksimport android.graphics.Rect; 268fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.inputmethodservice.KeyboardView; 2706c5ff4a46686d3f599e40df0768177d3d88913cJason parksimport android.os.AsyncTask; 288fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.Bundle; 29ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.os.Handler; 308fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.IBinder; 31ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.os.Message; 3235933812b16f0b4221280bbcc3c32f6540996bf2Jason parksimport android.os.PowerManager; 338373b451692a39abdfd12444241c016831e1a4a4David Brownimport android.os.RemoteException; 348fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.ServiceManager; 358fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.SystemProperties; 368fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.os.storage.IMountService; 378373b451692a39abdfd12444241c016831e1a4a4David Brownimport android.telephony.TelephonyManager; 38ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.text.TextUtils; 3975c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parksimport android.util.AttributeSet; 408fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.util.Log; 418fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.view.KeyEvent; 4275c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parksimport android.view.MotionEvent; 4313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.view.View; 4413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.view.View.OnClickListener; 458fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.view.inputmethod.EditorInfo; 4675c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parksimport android.view.inputmethod.InputMethodManager; 4713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadlerimport android.widget.Button; 48ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.widget.EditText; 49ec5a45e79cb7161adfabf475342c1e1b25994276Jason parksimport android.widget.ProgressBar; 508fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parksimport android.widget.TextView; 518fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 5291a2f0566afb91549cbda9289b516154a6467624Ben Komaloimport com.android.internal.telephony.ITelephony; 5391a2f0566afb91549cbda9289b516154a6467624Ben Komaloimport com.android.internal.widget.PasswordEntryKeyboardHelper; 5491a2f0566afb91549cbda9289b516154a6467624Ben Komaloimport com.android.internal.widget.PasswordEntryKeyboardView; 5591a2f0566afb91549cbda9289b516154a6467624Ben Komalo 5691a2f0566afb91549cbda9289b516154a6467624Ben Komalo/** 5791a2f0566afb91549cbda9289b516154a6467624Ben Komalo * Settings screens to show the UI flows for encrypting/decrypting the device. 5891a2f0566afb91549cbda9289b516154a6467624Ben Komalo * 5991a2f0566afb91549cbda9289b516154a6467624Ben Komalo * This may be started via adb for debugging the UI layout, without having to go through 6091a2f0566afb91549cbda9289b516154a6467624Ben Komalo * encryption flows everytime. It should be noted that starting the activity in this manner 6191a2f0566afb91549cbda9289b516154a6467624Ben Komalo * is only useful for verifying UI-correctness - the behavior will not be identical. 6291a2f0566afb91549cbda9289b516154a6467624Ben Komalo * <pre> 6391a2f0566afb91549cbda9289b516154a6467624Ben Komalo * $ adb shell pm enable com.android.settings/.CryptKeeper 6491a2f0566afb91549cbda9289b516154a6467624Ben Komalo * $ adb shell am start \ 6591a2f0566afb91549cbda9289b516154a6467624Ben Komalo * -e "com.android.settings.CryptKeeper.DEBUG_FORCE_VIEW" "progress" \ 6691a2f0566afb91549cbda9289b516154a6467624Ben Komalo * -n com.android.settings/.CryptKeeper 6791a2f0566afb91549cbda9289b516154a6467624Ben Komalo * </pre> 6891a2f0566afb91549cbda9289b516154a6467624Ben Komalo */ 698fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parkspublic class CryptKeeper extends Activity implements TextView.OnEditorActionListener { 70ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final String TAG = "CryptKeeper"; 7135933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 728fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks private static final String DECRYPT_STATE = "trigger_restart_framework"; 73ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 74ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int UPDATE_PROGRESS = 1; 75ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOLDOWN = 2; 76ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 77ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int MAX_FAILED_ATTEMPTS = 30; 78ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOL_DOWN_ATTEMPTS = 10; 79ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private static final int COOL_DOWN_INTERVAL = 30; // 30 seconds 80ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 818373b451692a39abdfd12444241c016831e1a4a4David Brown // Intent action for launching the Emergency Dialer activity. 828373b451692a39abdfd12444241c016831e1a4a4David Brown static final String ACTION_EMERGENCY_DIAL = "com.android.phone.EmergencyDialer.DIAL"; 838373b451692a39abdfd12444241c016831e1a4a4David Brown 8491a2f0566afb91549cbda9289b516154a6467624Ben Komalo // Debug Intent extras so that this Activity may be started via adb for debugging UI layouts 8591a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String EXTRA_FORCE_VIEW = 8691a2f0566afb91549cbda9289b516154a6467624Ben Komalo "com.android.settings.CryptKeeper.DEBUG_FORCE_VIEW"; 8791a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_PROGRESS = "progress"; 8891a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_ENTRY = "entry"; 8991a2f0566afb91549cbda9289b516154a6467624Ben Komalo private static final String FORCE_VIEW_ERROR = "error"; 9091a2f0566afb91549cbda9289b516154a6467624Ben Komalo 911499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler private int mCooldown; 921499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler PowerManager.WakeLock mWakeLock; 9306c5ff4a46686d3f599e40df0768177d3d88913cJason parks private EditText mPasswordEntry; 941499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 951499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler /** 961499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * Used to propagate state through configuration changes (e.g. screen rotation) 971499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler */ 981499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler private static class NonConfigurationInstanceState { 991499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler final PowerManager.WakeLock wakelock; 1001499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 1011499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState(PowerManager.WakeLock _wakelock) { 1021499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler wakelock = _wakelock; 1031499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 1041499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 1051499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 106f1dbf55819e01f6cf1a99d38a292b15de1262a29Jason parks // This activity is used to fade the screen to black after the password is entered. 107f1dbf55819e01f6cf1a99d38a292b15de1262a29Jason parks public static class Blank extends Activity { 10813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler @Override 10913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler public void onCreate(Bundle savedInstanceState) { 11013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler super.onCreate(savedInstanceState); 11113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler setContentView(R.layout.crypt_keeper_blank); 11213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 113f1dbf55819e01f6cf1a99d38a292b15de1262a29Jason parks } 114ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks 11575c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks // Use a custom EditText to prevent the input method from showing. 11675c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks public static class CryptEditText extends EditText { 11775c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks InputMethodManager imm; 11875c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 11975c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks public CryptEditText(Context context, AttributeSet attrs) { 12075c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks super(context, attrs); 12175c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks imm = ((InputMethodManager) getContext(). 12275c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks getSystemService(Context.INPUT_METHOD_SERVICE)); 12375c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks } 12475c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 12575c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks @Override 12675c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { 12775c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks super.onFocusChanged(focused, direction, previouslyFocusedRect); 12875c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 12975c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks if (focused && imm != null && imm.isActive(this)) { 13075c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks imm.hideSoftInputFromWindow(getApplicationWindowToken(), 0); 13175c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks } 13275c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks } 13375c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 13475c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks @Override 13575c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks public boolean onTouchEvent(MotionEvent event) { 13675c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks boolean handled = super.onTouchEvent(event); 13775c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 13875c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks if (imm != null && imm.isActive(this)) { 13975c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks imm.hideSoftInputFromWindow(getApplicationWindowToken(), 0); 14075c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks } 14175c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 14275c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks return handled; 14375c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks } 14475c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks } 14575c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 14606c5ff4a46686d3f599e40df0768177d3d88913cJason parks private class DecryptTask extends AsyncTask<String, Void, Integer> { 14706c5ff4a46686d3f599e40df0768177d3d88913cJason parks @Override 14806c5ff4a46686d3f599e40df0768177d3d88913cJason parks protected Integer doInBackground(String... params) { 14906c5ff4a46686d3f599e40df0768177d3d88913cJason parks IMountService service = getMountService(); 15006c5ff4a46686d3f599e40df0768177d3d88913cJason parks try { 15106c5ff4a46686d3f599e40df0768177d3d88913cJason parks return service.decryptStorage(params[0]); 15206c5ff4a46686d3f599e40df0768177d3d88913cJason parks } catch (Exception e) { 15306c5ff4a46686d3f599e40df0768177d3d88913cJason parks Log.e(TAG, "Error while decrypting...", e); 15406c5ff4a46686d3f599e40df0768177d3d88913cJason parks return -1; 15506c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 15606c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 15706c5ff4a46686d3f599e40df0768177d3d88913cJason parks 15806c5ff4a46686d3f599e40df0768177d3d88913cJason parks @Override 15906c5ff4a46686d3f599e40df0768177d3d88913cJason parks protected void onPostExecute(Integer failedAttempts) { 16006c5ff4a46686d3f599e40df0768177d3d88913cJason parks if (failedAttempts == 0) { 16106c5ff4a46686d3f599e40df0768177d3d88913cJason parks // The password was entered successfully. Start the Blank activity 16206c5ff4a46686d3f599e40df0768177d3d88913cJason parks // so this activity animates to black before the devices starts. Note 16306c5ff4a46686d3f599e40df0768177d3d88913cJason parks // It has 1 second to complete the animation or it will be frozen 16406c5ff4a46686d3f599e40df0768177d3d88913cJason parks // until the boot animation comes back up. 16506c5ff4a46686d3f599e40df0768177d3d88913cJason parks Intent intent = new Intent(CryptKeeper.this, Blank.class); 16606c5ff4a46686d3f599e40df0768177d3d88913cJason parks finish(); 16706c5ff4a46686d3f599e40df0768177d3d88913cJason parks startActivity(intent); 16806c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else if (failedAttempts == MAX_FAILED_ATTEMPTS) { 16906c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Factory reset the device. 17006c5ff4a46686d3f599e40df0768177d3d88913cJason parks sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR")); 17106c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else if ((failedAttempts % COOL_DOWN_ATTEMPTS) == 0) { 17206c5ff4a46686d3f599e40df0768177d3d88913cJason parks mCooldown = COOL_DOWN_INTERVAL; 17306c5ff4a46686d3f599e40df0768177d3d88913cJason parks cooldown(); 17406c5ff4a46686d3f599e40df0768177d3d88913cJason parks } else { 17506c5ff4a46686d3f599e40df0768177d3d88913cJason parks TextView tv = (TextView) findViewById(R.id.status); 17606c5ff4a46686d3f599e40df0768177d3d88913cJason parks tv.setText(R.string.try_again); 17706c5ff4a46686d3f599e40df0768177d3d88913cJason parks tv.setVisibility(View.VISIBLE); 17806c5ff4a46686d3f599e40df0768177d3d88913cJason parks 17906c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Reenable the password entry 18006c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(true); 18106c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 18206c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 18306c5ff4a46686d3f599e40df0768177d3d88913cJason parks } 18475c085ee890744cdd4b90c72f8b50e6aeeb31e88Jason parks 18591a2f0566afb91549cbda9289b516154a6467624Ben Komalo private final Handler mHandler = new Handler() { 186ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks @Override 187ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks public void handleMessage(Message msg) { 188ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks switch (msg.what) { 189ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks case UPDATE_PROGRESS: 190f8217304073b5cd13823a0602568394be93bf310Jason parks updateProgress(); 191ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks break; 19235933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 193ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks case COOLDOWN: 194f8217304073b5cd13823a0602568394be93bf310Jason parks cooldown(); 195ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks break; 196ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 197ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 198ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks }; 19935933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 20091a2f0566afb91549cbda9289b516154a6467624Ben Komalo /** @return whether or not this Activity was started for debugging the UI only. */ 20191a2f0566afb91549cbda9289b516154a6467624Ben Komalo private boolean isDebugView() { 20291a2f0566afb91549cbda9289b516154a6467624Ben Komalo return getIntent().hasExtra(EXTRA_FORCE_VIEW); 20391a2f0566afb91549cbda9289b516154a6467624Ben Komalo } 20491a2f0566afb91549cbda9289b516154a6467624Ben Komalo 20591a2f0566afb91549cbda9289b516154a6467624Ben Komalo /** @return whether or not this Activity was started for debugging the specific UI view only. */ 20691a2f0566afb91549cbda9289b516154a6467624Ben Komalo private boolean isDebugView(String viewType /* non-nullable */) { 20791a2f0566afb91549cbda9289b516154a6467624Ben Komalo return viewType.equals(getIntent().getStringExtra(EXTRA_FORCE_VIEW)); 20891a2f0566afb91549cbda9289b516154a6467624Ben Komalo } 20991a2f0566afb91549cbda9289b516154a6467624Ben Komalo 2108fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks @Override 2118fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks public void onCreate(Bundle savedInstanceState) { 2128fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks super.onCreate(savedInstanceState); 21335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 2149597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler // If we are not encrypted or encrypting, get out quickly. 2158fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks String state = SystemProperties.get("vold.decrypt"); 21691a2f0566afb91549cbda9289b516154a6467624Ben Komalo if (!isDebugView() && ("".equals(state) || DECRYPT_STATE.equals(state))) { 21735933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // Disable the crypt keeper. 2188fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks PackageManager pm = getPackageManager(); 2198fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks ComponentName name = new ComponentName(this, CryptKeeper.class); 2208fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks pm.setComponentEnabledSetting(name, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 0); 2218fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return; 2228fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 22335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 22439f1e04079976d3d10fdd8e5dd36c833bab8a371Jason parks // Disable the status bar 22539f1e04079976d3d10fdd8e5dd36c833bab8a371Jason parks StatusBarManager sbm = (StatusBarManager) getSystemService(Context.STATUS_BAR_SERVICE); 22613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler sbm.disable(StatusBarManager.DISABLE_EXPAND 22713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler | StatusBarManager.DISABLE_NOTIFICATION_ICONS 22839f1e04079976d3d10fdd8e5dd36c833bab8a371Jason parks | StatusBarManager.DISABLE_NOTIFICATION_ALERTS 22913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler | StatusBarManager.DISABLE_SYSTEM_INFO 23013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler | StatusBarManager.DISABLE_NAVIGATION 23113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler | StatusBarManager.DISABLE_BACK); 2321499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 2331499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler // Check for (and recover) retained instance data 2341499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler Object lastInstance = getLastNonConfigurationInstance(); 2351499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler if (lastInstance instanceof NonConfigurationInstanceState) { 2361499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState retained = (NonConfigurationInstanceState) lastInstance; 2371499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler mWakeLock = retained.wakelock; 2381499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 239ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 24035933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 2419597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler /** 2429597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * Note, we defer the state check and screen setup to onStart() because this will be 2439597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * re-run if the user clicks the power button (sleeping/waking the screen), and this is 2449597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler * especially important if we were to lose the wakelock for any reason. 2459597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler */ 2469597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler @Override 2479597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler public void onStart() { 2489597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler super.onStart(); 2499597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler 2509597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler // Check to see why we were started. 2519597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler String progress = SystemProperties.get("vold.encrypt_progress"); 25291a2f0566afb91549cbda9289b516154a6467624Ben Komalo if (!"".equals(progress) 25391a2f0566afb91549cbda9289b516154a6467624Ben Komalo || isDebugView(FORCE_VIEW_PROGRESS) 25491a2f0566afb91549cbda9289b516154a6467624Ben Komalo || isDebugView(FORCE_VIEW_ERROR)) { 2559597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler setContentView(R.layout.crypt_keeper_progress); 2569597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler encryptionProgressInit(); 2579597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler } else { 2589597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler setContentView(R.layout.crypt_keeper_password_entry); 2599597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler passwordEntryInit(); 2609597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler } 2619597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler } 2629597406aa1b83867b03a47d1a5162969b924f2fcAndy Stadler 263f8217304073b5cd13823a0602568394be93bf310Jason parks @Override 264f8217304073b5cd13823a0602568394be93bf310Jason parks public void onStop() { 265f8217304073b5cd13823a0602568394be93bf310Jason parks super.onStop(); 266f8217304073b5cd13823a0602568394be93bf310Jason parks 267f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.removeMessages(COOLDOWN); 268f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.removeMessages(UPDATE_PROGRESS); 2691499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 2701499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 2711499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler /** 2721499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * Reconfiguring, so propagate the wakelock to the next instance. This runs between onStop() 2731499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * and onDestroy() and only if we are changing configuration (e.g. rotation). Also clears 2741499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler * mWakeLock so the subsequent call to onDestroy does not release it. 2751499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler */ 2761499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler @Override 2771499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler public Object onRetainNonConfigurationInstance() { 2781499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler NonConfigurationInstanceState state = new NonConfigurationInstanceState(mWakeLock); 2791499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler mWakeLock = null; 2801499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler return state; 2811499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler } 2821499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler 2831499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler @Override 2841499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler public void onDestroy() { 2851499740c13af5fbd5766a87825c3e789b37bab24Andy Stadler super.onDestroy(); 286f8217304073b5cd13823a0602568394be93bf310Jason parks 287f8217304073b5cd13823a0602568394be93bf310Jason parks if (mWakeLock != null) { 288f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock.release(); 289f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock = null; 290f8217304073b5cd13823a0602568394be93bf310Jason parks } 291f8217304073b5cd13823a0602568394be93bf310Jason parks } 292f8217304073b5cd13823a0602568394be93bf310Jason parks 293ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private void encryptionProgressInit() { 29435933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // Accquire a partial wakelock to prevent the device from sleeping. Note 29535933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // we never release this wakelock as we will be restarted after the device 29635933812b16f0b4221280bbcc3c32f6540996bf2Jason parks // is encrypted. 29735933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 29835933812b16f0b4221280bbcc3c32f6540996bf2Jason parks PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); 299f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK, TAG); 300f8217304073b5cd13823a0602568394be93bf310Jason parks 301f8217304073b5cd13823a0602568394be93bf310Jason parks mWakeLock.acquire(); 302f8217304073b5cd13823a0602568394be93bf310Jason parks 303f8217304073b5cd13823a0602568394be93bf310Jason parks ProgressBar progressBar = (ProgressBar) findViewById(R.id.progress_bar); 304f8217304073b5cd13823a0602568394be93bf310Jason parks progressBar.setIndeterminate(true); 30535933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 306f8217304073b5cd13823a0602568394be93bf310Jason parks updateProgress(); 307f8217304073b5cd13823a0602568394be93bf310Jason parks } 308f8217304073b5cd13823a0602568394be93bf310Jason parks 30913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler private void showFactoryReset() { 31013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Hide the encryption-bot to make room for the "factory reset" button 31113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler findViewById(R.id.encroid).setVisibility(View.GONE); 31213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 31313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Show the reset button, failure text, and a divider 31413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler Button button = (Button) findViewById(R.id.factory_reset); 31513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler button.setVisibility(View.VISIBLE); 31613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler button.setOnClickListener(new OnClickListener() { 31713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler public void onClick(View v) { 31813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler // Factory reset the device. 31913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler sendBroadcast(new Intent("android.intent.action.MASTER_CLEAR")); 32013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 32113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler }); 32213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 32313d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler TextView tv = (TextView) findViewById(R.id.title); 32413d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setText(R.string.crypt_keeper_failed_title); 32513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 32613d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv = (TextView) findViewById(R.id.status); 32713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setText(R.string.crypt_keeper_failed_summary); 32813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 32913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler View view = findViewById(R.id.bottom_divider); 33013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler view.setVisibility(View.VISIBLE); 33113d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 33213d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 333f8217304073b5cd13823a0602568394be93bf310Jason parks private void updateProgress() { 334f8217304073b5cd13823a0602568394be93bf310Jason parks String state = SystemProperties.get("vold.encrypt_progress"); 335f8217304073b5cd13823a0602568394be93bf310Jason parks 33691a2f0566afb91549cbda9289b516154a6467624Ben Komalo if ("error_partially_encrypted".equals(state) || isDebugView(FORCE_VIEW_ERROR)) { 33713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler showFactoryReset(); 33813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler return; 33913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler } 34013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 341f8217304073b5cd13823a0602568394be93bf310Jason parks int progress = 0; 342f8217304073b5cd13823a0602568394be93bf310Jason parks try { 34391a2f0566afb91549cbda9289b516154a6467624Ben Komalo // Force a 50% progress state when debugging the view. 34491a2f0566afb91549cbda9289b516154a6467624Ben Komalo progress = isDebugView() ? 50 : Integer.parseInt(state); 345f8217304073b5cd13823a0602568394be93bf310Jason parks } catch (Exception e) { 346f8217304073b5cd13823a0602568394be93bf310Jason parks Log.w(TAG, "Error parsing progress: " + e.toString()); 347f8217304073b5cd13823a0602568394be93bf310Jason parks } 34835933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 349f8217304073b5cd13823a0602568394be93bf310Jason parks CharSequence status = getText(R.string.crypt_keeper_setup_description); 350f8217304073b5cd13823a0602568394be93bf310Jason parks TextView tv = (TextView) findViewById(R.id.status); 351f8217304073b5cd13823a0602568394be93bf310Jason parks tv.setText(TextUtils.expandTemplate(status, Integer.toString(progress))); 352f8217304073b5cd13823a0602568394be93bf310Jason parks 353f8217304073b5cd13823a0602568394be93bf310Jason parks // Check the progress every 5 seconds 354f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.removeMessages(UPDATE_PROGRESS); 355f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.sendEmptyMessageDelayed(UPDATE_PROGRESS, 5000); 356f8217304073b5cd13823a0602568394be93bf310Jason parks } 357f8217304073b5cd13823a0602568394be93bf310Jason parks 358f8217304073b5cd13823a0602568394be93bf310Jason parks private void cooldown() { 359f8217304073b5cd13823a0602568394be93bf310Jason parks TextView tv = (TextView) findViewById(R.id.status); 36013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 361f8217304073b5cd13823a0602568394be93bf310Jason parks if (mCooldown <= 0) { 362f8217304073b5cd13823a0602568394be93bf310Jason parks // Re-enable the password entry 36306c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(true); 364f8217304073b5cd13823a0602568394be93bf310Jason parks 36513d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setVisibility(View.GONE); 366f8217304073b5cd13823a0602568394be93bf310Jason parks } else { 36713d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler CharSequence template = getText(R.string.crypt_keeper_cooldown); 36813d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setText(TextUtils.expandTemplate(template, Integer.toString(mCooldown))); 36913d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler 37013d62049f7c96c47356f23eaee7f0997612fdf9fAndy Stadler tv.setVisibility(View.VISIBLE); 371f8217304073b5cd13823a0602568394be93bf310Jason parks 372f8217304073b5cd13823a0602568394be93bf310Jason parks mCooldown--; 373f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.removeMessages(COOLDOWN); 374f8217304073b5cd13823a0602568394be93bf310Jason parks mHandler.sendEmptyMessageDelayed(COOLDOWN, 1000); // Tick every second 375f8217304073b5cd13823a0602568394be93bf310Jason parks } 376ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 37735933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 378ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks private void passwordEntryInit() { 37906c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry = (EditText) findViewById(R.id.passwordEntry); 38006c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setOnEditorActionListener(this); 38135933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 3828fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks KeyboardView keyboardView = (PasswordEntryKeyboardView) findViewById(R.id.keyboard); 38335933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 38400046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks if (keyboardView != null) { 38500046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks PasswordEntryKeyboardHelper keyboardHelper = new PasswordEntryKeyboardHelper(this, 38600046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks keyboardView, mPasswordEntry, false); 38700046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks keyboardHelper.setKeyboardMode(PasswordEntryKeyboardHelper.KEYBOARD_MODE_ALPHA); 38800046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks } 3898373b451692a39abdfd12444241c016831e1a4a4David Brown 3908373b451692a39abdfd12444241c016831e1a4a4David Brown updateEmergencyCallButtonState(); 3918fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 3928fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 3938fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks private IMountService getMountService() { 3948fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks IBinder service = ServiceManager.getService("mount"); 3958fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks if (service != null) { 3968fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return IMountService.Stub.asInterface(service); 3978fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 3988fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return null; 3998fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 4008fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 4018fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks @Override 4028fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { 40300046d6e176eb05c3e3b0d13d38a8da7491bba5eJason parks if (actionId == EditorInfo.IME_NULL || actionId == EditorInfo.IME_ACTION_DONE) { 4048fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks // Get the password 4058fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks String password = v.getText().toString(); 4068fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 407ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks if (TextUtils.isEmpty(password)) { 408ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks return true; 409ec5a45e79cb7161adfabf475342c1e1b25994276Jason parks } 41035933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 4118fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks // Now that we have the password clear the password field. 4128fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks v.setText(null); 4138fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks 41406c5ff4a46686d3f599e40df0768177d3d88913cJason parks // Disable the password entry while checking the password. This 41506c5ff4a46686d3f599e40df0768177d3d88913cJason parks // we either be reenabled if the password was wrong or after the 41606c5ff4a46686d3f599e40df0768177d3d88913cJason parks // cooldown period. 41706c5ff4a46686d3f599e40df0768177d3d88913cJason parks mPasswordEntry.setEnabled(false); 41806c5ff4a46686d3f599e40df0768177d3d88913cJason parks 41906c5ff4a46686d3f599e40df0768177d3d88913cJason parks new DecryptTask().execute(password); 42035933812b16f0b4221280bbcc3c32f6540996bf2Jason parks 4218fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return true; 4228fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 4238fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks return false; 4248fd5bc9e6ff0d02012df670a6bf4bcdaf903c09dJason parks } 4258373b451692a39abdfd12444241c016831e1a4a4David Brown 4268373b451692a39abdfd12444241c016831e1a4a4David Brown // 4278373b451692a39abdfd12444241c016831e1a4a4David Brown // Code to update the state of, and handle clicks from, the "Emergency call" button. 4288373b451692a39abdfd12444241c016831e1a4a4David Brown // 4298373b451692a39abdfd12444241c016831e1a4a4David Brown // This code is mostly duplicated from the corresponding code in 4308373b451692a39abdfd12444241c016831e1a4a4David Brown // LockPatternUtils and LockPatternKeyguardView under frameworks/base. 4318373b451692a39abdfd12444241c016831e1a4a4David Brown // 4328373b451692a39abdfd12444241c016831e1a4a4David Brown 4338373b451692a39abdfd12444241c016831e1a4a4David Brown private void updateEmergencyCallButtonState() { 4348373b451692a39abdfd12444241c016831e1a4a4David Brown Button button = (Button) findViewById(R.id.emergencyCallButton); 4358373b451692a39abdfd12444241c016831e1a4a4David Brown // The button isn't present at all in some configurations. 4368373b451692a39abdfd12444241c016831e1a4a4David Brown if (button == null) return; 4378373b451692a39abdfd12444241c016831e1a4a4David Brown 4388373b451692a39abdfd12444241c016831e1a4a4David Brown if (isEmergencyCallCapable()) { 4398373b451692a39abdfd12444241c016831e1a4a4David Brown button.setVisibility(View.VISIBLE); 4408373b451692a39abdfd12444241c016831e1a4a4David Brown button.setOnClickListener(new View.OnClickListener() { 4418373b451692a39abdfd12444241c016831e1a4a4David Brown public void onClick(View v) { 4428373b451692a39abdfd12444241c016831e1a4a4David Brown takeEmergencyCallAction(); 4438373b451692a39abdfd12444241c016831e1a4a4David Brown } 4448373b451692a39abdfd12444241c016831e1a4a4David Brown }); 4458373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 4468373b451692a39abdfd12444241c016831e1a4a4David Brown button.setVisibility(View.GONE); 4478373b451692a39abdfd12444241c016831e1a4a4David Brown return; 4488373b451692a39abdfd12444241c016831e1a4a4David Brown } 4498373b451692a39abdfd12444241c016831e1a4a4David Brown 4508373b451692a39abdfd12444241c016831e1a4a4David Brown int newState = TelephonyManager.getDefault().getCallState(); 4518373b451692a39abdfd12444241c016831e1a4a4David Brown int textId; 4528373b451692a39abdfd12444241c016831e1a4a4David Brown if (newState == TelephonyManager.CALL_STATE_OFFHOOK) { 4538373b451692a39abdfd12444241c016831e1a4a4David Brown // show "return to call" text and show phone icon 4548373b451692a39abdfd12444241c016831e1a4a4David Brown textId = R.string.cryptkeeper_return_to_call; 4558373b451692a39abdfd12444241c016831e1a4a4David Brown int phoneCallIcon = R.drawable.stat_sys_phone_call; 4568373b451692a39abdfd12444241c016831e1a4a4David Brown button.setCompoundDrawablesWithIntrinsicBounds(phoneCallIcon, 0, 0, 0); 4578373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 4588373b451692a39abdfd12444241c016831e1a4a4David Brown textId = R.string.cryptkeeper_emergency_call; 4598373b451692a39abdfd12444241c016831e1a4a4David Brown int emergencyIcon = R.drawable.ic_emergency; 4608373b451692a39abdfd12444241c016831e1a4a4David Brown button.setCompoundDrawablesWithIntrinsicBounds(emergencyIcon, 0, 0, 0); 4618373b451692a39abdfd12444241c016831e1a4a4David Brown } 4628373b451692a39abdfd12444241c016831e1a4a4David Brown button.setText(textId); 4638373b451692a39abdfd12444241c016831e1a4a4David Brown } 4648373b451692a39abdfd12444241c016831e1a4a4David Brown 4658373b451692a39abdfd12444241c016831e1a4a4David Brown private boolean isEmergencyCallCapable() { 4668373b451692a39abdfd12444241c016831e1a4a4David Brown return getResources().getBoolean(com.android.internal.R.bool.config_voice_capable); 4678373b451692a39abdfd12444241c016831e1a4a4David Brown } 4688373b451692a39abdfd12444241c016831e1a4a4David Brown 4698373b451692a39abdfd12444241c016831e1a4a4David Brown private void takeEmergencyCallAction() { 4708373b451692a39abdfd12444241c016831e1a4a4David Brown if (TelephonyManager.getDefault().getCallState() == TelephonyManager.CALL_STATE_OFFHOOK) { 4718373b451692a39abdfd12444241c016831e1a4a4David Brown resumeCall(); 4728373b451692a39abdfd12444241c016831e1a4a4David Brown } else { 4738373b451692a39abdfd12444241c016831e1a4a4David Brown launchEmergencyDialer(); 4748373b451692a39abdfd12444241c016831e1a4a4David Brown } 4758373b451692a39abdfd12444241c016831e1a4a4David Brown } 4768373b451692a39abdfd12444241c016831e1a4a4David Brown 4778373b451692a39abdfd12444241c016831e1a4a4David Brown private void resumeCall() { 4788373b451692a39abdfd12444241c016831e1a4a4David Brown ITelephony phone = ITelephony.Stub.asInterface(ServiceManager.checkService("phone")); 4798373b451692a39abdfd12444241c016831e1a4a4David Brown if (phone != null) { 4808373b451692a39abdfd12444241c016831e1a4a4David Brown try { 4818373b451692a39abdfd12444241c016831e1a4a4David Brown phone.showCallScreen(); 4828373b451692a39abdfd12444241c016831e1a4a4David Brown } catch (RemoteException e) { 4838373b451692a39abdfd12444241c016831e1a4a4David Brown Log.e(TAG, "Error calling ITelephony service: " + e); 4848373b451692a39abdfd12444241c016831e1a4a4David Brown } 4858373b451692a39abdfd12444241c016831e1a4a4David Brown } 4868373b451692a39abdfd12444241c016831e1a4a4David Brown } 4878373b451692a39abdfd12444241c016831e1a4a4David Brown 4888373b451692a39abdfd12444241c016831e1a4a4David Brown private void launchEmergencyDialer() { 4898373b451692a39abdfd12444241c016831e1a4a4David Brown Intent intent = new Intent(ACTION_EMERGENCY_DIAL); 4908373b451692a39abdfd12444241c016831e1a4a4David Brown intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 4918373b451692a39abdfd12444241c016831e1a4a4David Brown | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); 4928373b451692a39abdfd12444241c016831e1a4a4David Brown startActivity(intent); 4938373b451692a39abdfd12444241c016831e1a4a4David Brown } 4948373b451692a39abdfd12444241c016831e1a4a4David Brown} 495