116 lines
4.3 KiB
Java
116 lines
4.3 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings;
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import com.android.internal.widget.PasswordEntryKeyboardHelper;
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import com.android.internal.widget.PasswordEntryKeyboardView;
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import android.app.Activity;
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import android.app.StatusBarManager;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.inputmethodservice.KeyboardView;
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import android.os.Bundle;
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import android.os.IBinder;
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import android.os.ServiceManager;
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import android.os.SystemProperties;
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import android.os.storage.IMountService;
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import android.text.format.DateFormat;
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import android.util.Log;
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import android.view.KeyEvent;
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import android.view.inputmethod.EditorInfo;
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import android.widget.TextView;
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import java.util.Date;
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public class CryptKeeper extends Activity implements TextView.OnEditorActionListener {
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private static final String DECRYPT_STATE = "trigger_restart_framework";
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.crypt_keeper);
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String state = SystemProperties.get("vold.decrypt");
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if ("".equals(state) || DECRYPT_STATE.equals(state)) {
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PackageManager pm = getPackageManager();
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ComponentName name = new ComponentName(this, CryptKeeper.class);
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pm.setComponentEnabledSetting(name, PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 0);
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return;
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}
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TextView passwordEntry = (TextView) findViewById(R.id.passwordEntry);
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passwordEntry.setOnEditorActionListener(this);
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KeyboardView keyboardView = (PasswordEntryKeyboardView) findViewById(R.id.keyboard);
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PasswordEntryKeyboardHelper keyboardHelper = new PasswordEntryKeyboardHelper(this,
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keyboardView, passwordEntry, false);
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keyboardHelper.setKeyboardMode(PasswordEntryKeyboardHelper.KEYBOARD_MODE_ALPHA);
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passwordEntry.setCompoundDrawablesWithIntrinsicBounds(android.R.drawable.ic_lock_idle_lock,
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0, 0, 0);
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String dateFormatString = getString(com.android.internal.R.string.full_wday_month_day_no_year);
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TextView date = (TextView) findViewById(R.id.date);
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date.setText(DateFormat.format(dateFormatString, new Date()));
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// Disable the status bar
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StatusBarManager sbm = (StatusBarManager) getSystemService(Context.STATUS_BAR_SERVICE);
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sbm.disable(StatusBarManager.DISABLE_EXPAND | StatusBarManager.DISABLE_NOTIFICATION_ICONS
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| StatusBarManager.DISABLE_NOTIFICATION_ALERTS
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| StatusBarManager.DISABLE_SYSTEM_INFO | StatusBarManager.DISABLE_NAVIGATION);
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}
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private IMountService getMountService() {
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IBinder service = ServiceManager.getService("mount");
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if (service != null) {
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return IMountService.Stub.asInterface(service);
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}
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return null;
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}
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@Override
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public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
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if (actionId == EditorInfo.IME_NULL) {
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// Get the password
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String password = v.getText().toString();
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// Now that we have the password clear the password field.
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v.setText(null);
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IMountService service = getMountService();
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try {
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service.decryptStorage(password);
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// For now the only way to get here is for the password to be
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// wrong.
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TextView tv = (TextView) findViewById(R.id.status);
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tv.setText(R.string.try_again);
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} catch (Exception e) {
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Log.e("CryptKeeper", "Error while decrypting...", e);
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}
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return true;
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}
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return false;
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}
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} |