1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings; 18 19 import com.android.internal.widget.LockPatternUtils; 20 import com.android.internal.widget.PasswordEntryKeyboardHelper; 21 import com.android.internal.widget.PasswordEntryKeyboardView; 22 23 import android.app.Activity; 24 import android.app.Fragment; 25 import android.app.admin.DevicePolicyManager; 26 import android.content.Intent; 27 import android.os.Bundle; 28 import android.os.Handler; 29 import android.preference.PreferenceActivity; 30 import android.text.Editable; 31 import android.text.InputType; 32 import android.text.TextWatcher; 33 import android.view.KeyEvent; 34 import android.view.LayoutInflater; 35 import android.view.View; 36 import android.view.View.OnClickListener; 37 import android.view.ViewGroup; 38 import android.view.inputmethod.EditorInfo; 39 import android.widget.Button; 40 import android.widget.TextView; 41 import android.widget.TextView.OnEditorActionListener; 42 43 public class ConfirmLockPassword extends PreferenceActivity { 44 45 @Override getIntent()46 public Intent getIntent() { 47 Intent modIntent = new Intent(super.getIntent()); 48 modIntent.putExtra(EXTRA_SHOW_FRAGMENT, ConfirmLockPasswordFragment.class.getName()); 49 modIntent.putExtra(EXTRA_NO_HEADERS, true); 50 return modIntent; 51 } 52 53 @Override onCreate(Bundle savedInstanceState)54 public void onCreate(Bundle savedInstanceState) { 55 // Disable IME on our window since we provide our own keyboard 56 //getWindow().setFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM, 57 //WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM); 58 super.onCreate(savedInstanceState); 59 CharSequence msg = getText(R.string.lockpassword_confirm_your_password_header); 60 showBreadCrumbs(msg, msg); 61 } 62 63 public static class ConfirmLockPasswordFragment extends Fragment implements OnClickListener, 64 OnEditorActionListener, TextWatcher { 65 private static final long ERROR_MESSAGE_TIMEOUT = 3000; 66 private TextView mPasswordEntry; 67 private LockPatternUtils mLockPatternUtils; 68 private TextView mHeaderText; 69 private Handler mHandler = new Handler(); 70 private PasswordEntryKeyboardHelper mKeyboardHelper; 71 private PasswordEntryKeyboardView mKeyboardView; 72 private Button mContinueButton; 73 74 75 // required constructor for fragments ConfirmLockPasswordFragment()76 public ConfirmLockPasswordFragment() { 77 78 } 79 80 @Override onCreate(Bundle savedInstanceState)81 public void onCreate(Bundle savedInstanceState) { 82 super.onCreate(savedInstanceState); 83 mLockPatternUtils = new LockPatternUtils(getActivity()); 84 } 85 86 @Override onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)87 public View onCreateView(LayoutInflater inflater, ViewGroup container, 88 Bundle savedInstanceState) { 89 final int storedQuality = mLockPatternUtils.getKeyguardStoredPasswordQuality(); 90 View view = inflater.inflate(R.layout.confirm_lock_password, null); 91 // Disable IME on our window since we provide our own keyboard 92 93 view.findViewById(R.id.cancel_button).setOnClickListener(this); 94 mContinueButton = (Button) view.findViewById(R.id.next_button); 95 mContinueButton.setOnClickListener(this); 96 mContinueButton.setEnabled(false); // disable until the user enters at least one char 97 98 mPasswordEntry = (TextView) view.findViewById(R.id.password_entry); 99 mPasswordEntry.setOnEditorActionListener(this); 100 mPasswordEntry.addTextChangedListener(this); 101 102 mKeyboardView = (PasswordEntryKeyboardView) view.findViewById(R.id.keyboard); 103 mHeaderText = (TextView) view.findViewById(R.id.headerText); 104 final boolean isAlpha = DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC == storedQuality 105 || DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC == storedQuality 106 || DevicePolicyManager.PASSWORD_QUALITY_COMPLEX == storedQuality; 107 mHeaderText.setText(isAlpha ? R.string.lockpassword_confirm_your_password_header 108 : R.string.lockpassword_confirm_your_pin_header); 109 110 final Activity activity = getActivity(); 111 mKeyboardHelper = new PasswordEntryKeyboardHelper(activity, 112 mKeyboardView, mPasswordEntry); 113 mKeyboardHelper.setKeyboardMode(isAlpha ? 114 PasswordEntryKeyboardHelper.KEYBOARD_MODE_ALPHA 115 : PasswordEntryKeyboardHelper.KEYBOARD_MODE_NUMERIC); 116 mKeyboardView.requestFocus(); 117 118 int currentType = mPasswordEntry.getInputType(); 119 mPasswordEntry.setInputType(isAlpha ? currentType 120 : (InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_VARIATION_PASSWORD)); 121 122 // Update the breadcrumb (title) if this is embedded in a PreferenceActivity 123 if (activity instanceof PreferenceActivity) { 124 final PreferenceActivity preferenceActivity = (PreferenceActivity) activity; 125 int id = isAlpha ? R.string.lockpassword_confirm_your_password_header 126 : R.string.lockpassword_confirm_your_pin_header; 127 CharSequence title = getText(id); 128 preferenceActivity.showBreadCrumbs(title, title); 129 } 130 131 return view; 132 } 133 134 @Override onPause()135 public void onPause() { 136 super.onPause(); 137 mKeyboardView.requestFocus(); 138 } 139 140 @Override onResume()141 public void onResume() { 142 // TODO Auto-generated method stub 143 super.onResume(); 144 mKeyboardView.requestFocus(); 145 } 146 handleNext()147 private void handleNext() { 148 final String pin = mPasswordEntry.getText().toString(); 149 if (mLockPatternUtils.checkPassword(pin)) { 150 151 Intent intent = new Intent(); 152 intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD, pin); 153 154 getActivity().setResult(RESULT_OK, intent); 155 getActivity().finish(); 156 } else { 157 showError(R.string.lockpattern_need_to_unlock_wrong); 158 } 159 } 160 onClick(View v)161 public void onClick(View v) { 162 switch (v.getId()) { 163 case R.id.next_button: 164 handleNext(); 165 break; 166 167 case R.id.cancel_button: 168 getActivity().setResult(RESULT_CANCELED); 169 getActivity().finish(); 170 break; 171 } 172 } 173 showError(int msg)174 private void showError(int msg) { 175 mHeaderText.setText(msg); 176 mPasswordEntry.setText(null); 177 mHandler.postDelayed(new Runnable() { 178 public void run() { 179 mHeaderText.setText(R.string.lockpassword_confirm_your_password_header); 180 } 181 }, ERROR_MESSAGE_TIMEOUT); 182 } 183 184 // {@link OnEditorActionListener} methods. onEditorAction(TextView v, int actionId, KeyEvent event)185 public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { 186 // Check if this was the result of hitting the enter or "done" key 187 if (actionId == EditorInfo.IME_NULL 188 || actionId == EditorInfo.IME_ACTION_DONE 189 || actionId == EditorInfo.IME_ACTION_NEXT) { 190 handleNext(); 191 return true; 192 } 193 return false; 194 } 195 196 // {@link TextWatcher} methods. beforeTextChanged(CharSequence s, int start, int count, int after)197 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 198 } 199 onTextChanged(CharSequence s, int start, int before, int count)200 public void onTextChanged(CharSequence s, int start, int before, int count) { 201 } 202 afterTextChanged(Editable s)203 public void afterTextChanged(Editable s) { 204 mContinueButton.setEnabled(mPasswordEntry.getText().length() > 0); 205 } 206 } 207 } 208