Notification listeners can be enabled in Settings>Security.
Also known as android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS. Bug: 8454150 Change-Id: I0c2433bf58ba4c78cd461326bd014535c7f67578
This commit is contained in:
Daniel Sandler
committed by
Android (Google) Code Review
Android (Google) Code Review
parent
e44f5e2bd6
commit
79b9bfe56e
312
src/com/android/settings/NotificationAccessSettings.java
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312
src/com/android/settings/NotificationAccessSettings.java
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@@ -0,0 +1,312 @@
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/*
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* Copyright (C) 2010 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.ActivityManager;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.DialogFragment;
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import android.content.BroadcastReceiver;
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import android.content.ContentResolver;
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import android.content.DialogInterface;
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import android.content.IntentFilter;
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import android.content.pm.PackageItemInfo;
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import android.content.pm.ServiceInfo;
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import android.database.ContentObserver;
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import android.net.Uri;
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import android.os.Handler;
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import android.service.notification.NotificationListenerService;
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import android.util.Slog;
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import android.widget.ArrayAdapter;
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import android.app.ListFragment;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.content.pm.ResolveInfo;
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import android.os.Bundle;
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import android.provider.Settings;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.CheckBox;
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import android.widget.ImageView;
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import android.widget.ListView;
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import android.widget.TextView;
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import java.util.HashSet;
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import java.util.List;
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public class NotificationAccessSettings extends ListFragment {
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static final String TAG = NotificationAccessSettings.class.getSimpleName();
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private static final boolean SHOW_PACKAGE_NAME = false;
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private PackageManager mPM;
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private ContentResolver mCR;
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private final HashSet<ComponentName> mEnabledListeners = new HashSet<ComponentName>();
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private ListenerListAdapter mList;
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private final Uri ENABLED_NOTIFICATION_LISTENERS_URI
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= Settings.Secure.getUriFor(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS);
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private final ContentObserver mSettingsObserver = new ContentObserver(new Handler()) {
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@Override
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public void onChange(boolean selfChange, Uri uri) {
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updateList();
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}
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};
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private final BroadcastReceiver mPackageReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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updateList();
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}
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};
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public class ListenerWarningDialogFragment extends DialogFragment {
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static final String KEY_COMPONENT = "c";
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static final String KEY_LABEL = "l";
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public ListenerWarningDialogFragment setListenerInfo(ComponentName cn, String label) {
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Bundle args = new Bundle();
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args.putString(KEY_COMPONENT, cn.flattenToString());
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args.putString(KEY_LABEL, label);
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setArguments(args);
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return this;
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}
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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final Bundle args = getArguments();
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final String label = args.getString(KEY_LABEL);
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final ComponentName cn = ComponentName.unflattenFromString(args.getString(KEY_COMPONENT));
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final String title = getResources().getString(
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R.string.notification_listener_security_warning_title, label);
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final String summary = getResources().getString(
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R.string.notification_listener_security_warning_summary, label);
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return new AlertDialog.Builder(getActivity())
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.setMessage(summary)
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.setTitle(title)
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.setIconAttribute(android.R.attr.alertDialogIcon)
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.setCancelable(true)
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.setPositiveButton(android.R.string.ok,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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mEnabledListeners.add(cn);
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saveEnabledListeners();
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}
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})
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.setNegativeButton(android.R.string.cancel,
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new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int id) {
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// pass
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}
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})
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.create();
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}
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}
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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mPM = getActivity().getPackageManager();
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mCR = getActivity().getContentResolver();
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mList = new ListenerListAdapter(getActivity());
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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return inflater.inflate(R.layout.device_admin_settings, container, false);
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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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updateList();
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// listen for package changes
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IntentFilter filter = new IntentFilter();
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filter.addAction(Intent.ACTION_PACKAGE_ADDED);
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filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
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filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
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filter.addAction(Intent.ACTION_PACKAGE_REPLACED);
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filter.addDataScheme("package");
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getActivity().registerReceiver(mPackageReceiver, filter);
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mCR.registerContentObserver(ENABLED_NOTIFICATION_LISTENERS_URI, false, mSettingsObserver);
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}
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@Override
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public void onPause() {
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super.onPause();
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getActivity().unregisterReceiver(mPackageReceiver);
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mCR.unregisterContentObserver(mSettingsObserver);
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}
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void loadEnabledListeners() {
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mEnabledListeners.clear();
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final String flat = Settings.Secure.getString(mCR,
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Settings.Secure.ENABLED_NOTIFICATION_LISTENERS);
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if (flat != null && !"".equals(flat)) {
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final String[] names = flat.split(":");
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for (int i = 0; i < names.length; i++) {
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final ComponentName cn = ComponentName.unflattenFromString(names[i]);
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if (cn != null) {
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mEnabledListeners.add(cn);
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}
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}
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}
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}
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void saveEnabledListeners() {
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StringBuilder sb = null;
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for (ComponentName cn : mEnabledListeners) {
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if (sb == null) {
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sb = new StringBuilder();
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} else {
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sb.append(':');
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}
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sb.append(cn.flattenToString());
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}
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Settings.Secure.putString(mCR,
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Settings.Secure.ENABLED_NOTIFICATION_LISTENERS,
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sb != null ? sb.toString() : "");
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}
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void updateList() {
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mList.clear();
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loadEnabledListeners();
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final int user = ActivityManager.getCurrentUser();
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List<ResolveInfo> installedServices = mPM.queryIntentServicesAsUser(
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new Intent(NotificationListenerService.SERVICE_INTERFACE),
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PackageManager.GET_SERVICES | PackageManager.GET_META_DATA,
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user);
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for (int i = 0, count = installedServices.size(); i < count; i++) {
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ResolveInfo resolveInfo = installedServices.get(i);
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ServiceInfo info = resolveInfo.serviceInfo;
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if (!android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE.equals(
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info.permission)) {
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Slog.w(TAG, "Skipping notification listener service "
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+ info.packageName + "/" + info.name
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+ ": it does not require the permission "
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+ android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE);
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continue;
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}
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mList.add(info);
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}
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mList.sort(new PackageItemInfo.DisplayNameComparator(mPM));
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getListView().setAdapter(mList);
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}
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boolean isListenerEnabled(ServiceInfo info) {
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final ComponentName cn = new ComponentName(info.packageName, info.name);
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return mEnabledListeners.contains(cn);
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}
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@Override
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public void onListItemClick(ListView l, View v, int position, long id) {
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ServiceInfo info = mList.getItem(position);
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final ComponentName cn = new ComponentName(info.packageName, info.name);
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if (mEnabledListeners.contains(cn)) {
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// the simple version: disabling
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mEnabledListeners.remove(cn);
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saveEnabledListeners();
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} else {
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// show a scary dialog
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new ListenerWarningDialogFragment()
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.setListenerInfo(cn, info.loadLabel(mPM).toString())
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.show(getFragmentManager(), "dialog");
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}
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}
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static class ViewHolder {
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ImageView icon;
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TextView name;
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CheckBox checkbox;
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TextView description;
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}
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class ListenerListAdapter extends ArrayAdapter<ServiceInfo> {
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final LayoutInflater mInflater;
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ListenerListAdapter(Context context) {
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super(context, 0, 0);
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mInflater = (LayoutInflater)
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getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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}
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public boolean hasStableIds() {
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return true;
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}
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public long getItemId(int position) {
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return position;
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}
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public View getView(int position, View convertView, ViewGroup parent) {
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View v;
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if (convertView == null) {
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v = newView(parent);
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} else {
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v = convertView;
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}
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bindView(v, position);
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return v;
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}
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public View newView(ViewGroup parent) {
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View v = mInflater.inflate(R.layout.notification_listener_item, parent, false);
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ViewHolder h = new ViewHolder();
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h.icon = (ImageView) v.findViewById(R.id.icon);
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h.name = (TextView) v.findViewById(R.id.name);
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h.checkbox = (CheckBox) v.findViewById(R.id.checkbox);
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h.description = (TextView) v.findViewById(R.id.description);
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v.setTag(h);
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return v;
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}
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public void bindView(View view, int position) {
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ViewHolder vh = (ViewHolder) view.getTag();
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ServiceInfo info = getItem(position);
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vh.icon.setImageDrawable(info.loadIcon(mPM));
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vh.name.setText(info.loadLabel(mPM));
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if (SHOW_PACKAGE_NAME) {
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vh.description.setText(info.packageName);
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vh.description.setVisibility(View.VISIBLE);
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} else {
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vh.description.setVisibility(View.GONE);
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}
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vh.checkbox.setChecked(isListenerEnabled(info));
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}
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}
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}
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@@ -79,6 +79,7 @@ public class SecuritySettings extends SettingsPreferenceFragment
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private static final String KEY_TOGGLE_VERIFY_APPLICATIONS = "toggle_verify_applications";
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private static final String KEY_POWER_INSTANTLY_LOCKS = "power_button_instantly_locks";
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private static final String KEY_CREDENTIALS_MANAGER = "credentials_management";
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private static final String KEY_NOTIFICATION_ACCESS = "manage_notification_access";
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private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
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DevicePolicyManager mDPM;
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@@ -100,6 +101,8 @@ public class SecuritySettings extends SettingsPreferenceFragment
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private CheckBoxPreference mToggleVerifyApps;
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private CheckBoxPreference mPowerButtonInstantlyLocks;
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private Preference mNotificationAccess;
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private boolean mIsPrimary;
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@Override
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@@ -283,9 +286,28 @@ public class SecuritySettings extends SettingsPreferenceFragment
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}
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}
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final int n = getNumEnabledNotificationListeners();
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mNotificationAccess = findPreference(KEY_NOTIFICATION_ACCESS);
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if (n == 0) {
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mNotificationAccess.setSummary(getResources().getString(
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R.string.manage_notification_access_summary_zero));
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} else {
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mNotificationAccess.setSummary(String.format(getResources().getQuantityString(
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R.plurals.manage_notification_access_summary_nonzero,
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n, n)));
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}
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return root;
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}
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private int getNumEnabledNotificationListeners() {
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final String flat = Settings.Secure.getString(getContentResolver(),
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Settings.Secure.ENABLED_NOTIFICATION_LISTENERS);
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if (flat == null || "".equals(flat)) return 0;
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final String[] components = flat.split(":");
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return components.length;
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}
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private boolean isNonMarketAppsAllowed() {
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return Settings.Global.getInt(getContentResolver(),
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Settings.Global.INSTALL_NON_MARKET_APPS, 0) > 0;
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@@ -840,4 +840,5 @@ public class Settings extends PreferenceActivity
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public static class DreamSettingsActivity extends Settings { /* empty */ }
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public static class NotificationStationActivity extends Settings { /* empty */ }
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public static class UserSettingsActivity extends Settings { /* empty */ }
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public static class NotificationAccessSettingsActivity extends Settings { /* empty */ }
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}
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