126 lines
4.8 KiB
Java
126 lines
4.8 KiB
Java
/*
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* Copyright (C) 2013 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 android.app.AlertDialog;
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import android.content.DialogInterface;
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import android.nfc.NfcAdapter;
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import android.nfc.NfcUnlock;
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import android.os.Bundle;
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import android.preference.CheckBoxPreference;
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import android.preference.Preference;
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import android.preference.PreferenceCategory;
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import android.util.Log;
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import com.android.internal.widget.LockPatternUtils;
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import java.text.DateFormat;
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import java.util.Date;
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import static android.preference.Preference.OnPreferenceClickListener;
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public class NfcLockFragment extends SettingsPreferenceFragment {
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private static final String NFC_PAIRING = "nfc_pairing";
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private static final String NFC_UNLOCK_ENABLED = "nfc_unlock_enabled";
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private static final String TAGS_CATEGORY = "nfc_unlock_tags_category";
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private static final String TAG_FORMAT = "Tag # %d";
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private NfcUnlock mNfcUnlock;
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private LockPatternUtils mLockPatternUtils;
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private NfcAdapter mNfcAdapter;
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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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mNfcUnlock = NfcUnlock.getInstance(NfcAdapter.getDefaultAdapter(getActivity()));
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mLockPatternUtils = new LockPatternUtils(getActivity());
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mNfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
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addPreferencesFromResource(R.xml.security_settings_nfc_unlock);
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}
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@Override
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public void onResume() {
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super.onResume();
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boolean prefsEnabled = (mLockPatternUtils.isLockPasswordEnabled() ||
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mLockPatternUtils.isLockPatternEnabled()) && mNfcAdapter.isEnabled();
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CheckBoxPreference unlockPref = (CheckBoxPreference) findPreference(NFC_UNLOCK_ENABLED);
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unlockPref.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
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@Override
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public boolean onPreferenceChange(Preference preference, Object newValue) {
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mNfcUnlock.setNfcUnlockEnabled((Boolean) newValue);
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return true;
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}
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});
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Preference pairingPref = findPreference(NFC_PAIRING);
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unlockPref.setEnabled(prefsEnabled);
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pairingPref.setEnabled(prefsEnabled);
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long[] tagRegistryTimes = mNfcUnlock.getTagRegistryTimes();
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unlockPref.setChecked(mNfcUnlock.getNfcUnlockEnabled());
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final PreferenceCategory pairedTags = (PreferenceCategory) findPreference(TAGS_CATEGORY);
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pairedTags.setEnabled(prefsEnabled);
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loadTagList(tagRegistryTimes, pairedTags);
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}
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private void loadTagList(long[] tagRegistryTimes, final PreferenceCategory pairedTags) {
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pairedTags.removeAll();
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for (int i = 0; i < tagRegistryTimes.length; i++) {
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final Preference thisPreference = new Preference(getActivity());
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final long timestamp = tagRegistryTimes[i];
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thisPreference.setTitle(String.format(TAG_FORMAT, i));
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thisPreference.setSummary(
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DateFormat.getDateTimeInstance().format(new Date(tagRegistryTimes[i])));
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thisPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() {
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@Override
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public boolean onPreferenceClick(Preference preference) {
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AlertDialog.Builder deleteDialogBuilder = new AlertDialog.Builder(getActivity());
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deleteDialogBuilder.setTitle(thisPreference.getTitle());
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deleteDialogBuilder.setItems(new String[] {"Delete"},
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new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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if (which == 0) {
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if (mNfcUnlock.deregisterTag(timestamp)) {
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loadTagList(mNfcUnlock.getTagRegistryTimes(),
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pairedTags);
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}
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}
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}
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});
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deleteDialogBuilder.show();
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return true;
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}
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});
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pairedTags.addPreference(thisPreference);
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}
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}
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}
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