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-rw-r--r--src/com/android/settings/BiometricWeakLiveliness.java136
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diff --git a/src/com/android/settings/BiometricWeakLiveliness.java b/src/com/android/settings/BiometricWeakLiveliness.java
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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;
+ }
+ }
+
+}