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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings;
import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.os.Bundle;
import android.os.Handler;
import android.content.Intent;
import android.preference.PreferenceActivity;
import android.util.Log;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CompoundButton;
import android.widget.Switch;
import com.android.settings.R;
import com.android.internal.widget.LockPatternUtils;
public class BiometricWeakLiveliness extends Fragment
implements CompoundButton.OnCheckedChangeListener {
private static final int CONFIRM_EXISTING_FOR_BIOMETRIC_WEAK_LIVELINESS_OFF = 125;
private View mView;
private ChooseLockSettingsHelper mChooseLockSettingsHelper;
private LockPatternUtils mLockPatternUtils;
private Switch mActionBarSwitch;
private boolean mSuppressCheckChanged;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Activity activity = getActivity();
mActionBarSwitch = new Switch(activity);
mSuppressCheckChanged = false;
if (activity instanceof PreferenceActivity) {
PreferenceActivity preferenceActivity = (PreferenceActivity) activity;
if (preferenceActivity.onIsHidingHeaders() || !preferenceActivity.onIsMultiPane()) {
final int padding = activity.getResources().getDimensionPixelSize(
R.dimen.action_bar_switch_padding);
mActionBarSwitch.setPadding(0, 0, padding, 0);
activity.getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
ActionBar.DISPLAY_SHOW_CUSTOM);
activity.getActionBar().setCustomView(mActionBarSwitch, new ActionBar.LayoutParams(
ActionBar.LayoutParams.WRAP_CONTENT,
ActionBar.LayoutParams.WRAP_CONTENT,
Gravity.CENTER_VERTICAL | Gravity.RIGHT));
activity.getActionBar().setTitle(R.string.biometric_weak_liveliness_title);
}
}
mActionBarSwitch.setOnCheckedChangeListener(this);
mLockPatternUtils = new LockPatternUtils(getActivity());
mChooseLockSettingsHelper = new ChooseLockSettingsHelper(getActivity());
mActionBarSwitch.setChecked(mLockPatternUtils.isBiometricWeakLivelinessEnabled());
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
mView = inflater.inflate(R.layout.biometric_weak_liveliness, container, false);
initView(mView);
return mView;
}
private void initView(View view) {
mActionBarSwitch.setOnCheckedChangeListener(this);
mActionBarSwitch.setChecked(mLockPatternUtils.isBiometricWeakLivelinessEnabled());
}
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean desiredState) {
if (mSuppressCheckChanged) {
return;
}
mActionBarSwitch.setEnabled(false);
if (desiredState) {
mLockPatternUtils.setBiometricWeakLivelinessEnabled(true);
mActionBarSwitch.setChecked(true);
} else {
// In this case the user has just turned it off, but this action requires them
// to confirm their password. We need to turn the switch back on until
// they've confirmed their password
mActionBarSwitch.setChecked(true);
mActionBarSwitch.requestLayout();
ChooseLockSettingsHelper helper =
new ChooseLockSettingsHelper(this.getActivity(), this);
if (!helper.launchConfirmationActivity(
CONFIRM_EXISTING_FOR_BIOMETRIC_WEAK_LIVELINESS_OFF, null, null)) {
// If this returns false, it means no password confirmation is required, so
// go ahead and turn it off here.
// Note: currently a backup is required for biometric_weak so this code path
// can't be reached, but is here in case things change in the future
mLockPatternUtils.setBiometricWeakLivelinessEnabled(false);
mActionBarSwitch.setChecked(false);
mActionBarSwitch.requestLayout();
}
}
mActionBarSwitch.setEnabled(true);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == CONFIRM_EXISTING_FOR_BIOMETRIC_WEAK_LIVELINESS_OFF &&
resultCode == Activity.RESULT_OK) {
final LockPatternUtils lockPatternUtils = mChooseLockSettingsHelper.utils();
lockPatternUtils.setBiometricWeakLivelinessEnabled(false);
mSuppressCheckChanged = true;
mActionBarSwitch.setChecked(false);
mSuppressCheckChanged = false;
return;
}
}
}
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