Notification listeners can be enabled in Settings>Security.
Also known as android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS.
Bug: 8454150
Change-Id: I0c2433bf58ba4c78cd461326bd014535c7f67578
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 143a394..e9218e1 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1572,6 +1572,21 @@
android:resource="@id/user_settings" />
</activity>
+ <activity android:name="Settings$NotificationAccessSettingsActivity"
+ android:label="@string/manage_notification_access"
+ android:taskAffinity=""
+ android:excludeFromRecents="true">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <action android:name="android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS" />
+ <category android:name="android.intent.category.DEFAULT" />
+ </intent-filter>
+ <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
+ android:value="com.android.settings.NotificationAccessSettings" />
+ <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
+ android:resource="@id/security_settings" />
+ </activity>
+
<receiver android:name=".widget.SettingsAppWidgetProvider"
android:label="@string/gadget_title"
android:exported="true"
diff --git a/res/layout/notification_access_settings.xml b/res/layout/notification_access_settings.xml
new file mode 100644
index 0000000..db1f708
--- /dev/null
+++ b/res/layout/notification_access_settings.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:orientation="vertical">
+ <FrameLayout
+ android:layout_width="match_parent"
+ android:layout_height="0px"
+ android:layout_weight="1">
+ <ListView android:id="@android:id/list"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:drawSelectorOnTop="false"
+ android:fastScrollEnabled="true" />
+ <TextView android:id="@android:id/empty"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent"
+ android:gravity="center"
+ android:text="@string/no_notification_listeners"
+ android:textAppearance="?android:attr/textAppearanceMedium" />
+ </FrameLayout>
+</LinearLayout>
diff --git a/res/layout/notification_listener_item.xml b/res/layout/notification_listener_item.xml
new file mode 100644
index 0000000..67aaa61
--- /dev/null
+++ b/res/layout/notification_listener_item.xml
@@ -0,0 +1,77 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2013, 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.
+*/
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ android:layout_width="match_parent"
+ android:layout_height="wrap_content"
+ android:minHeight="?android:attr/listPreferredItemHeight"
+ android:orientation="horizontal"
+ android:paddingEnd="6dip"
+ android:gravity="center_vertical"
+ >
+
+ <ImageView
+ android:id="@+id/icon"
+ android:layout_width="@android:dimen/app_icon_size"
+ android:layout_height="@android:dimen/app_icon_size"
+ android:layout_gravity="center_vertical"
+ android:scaleType="centerInside"
+ android:contentDescription="@null"
+ />
+
+ <LinearLayout
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginStart="8dp"
+ android:layout_marginTop="8dip"
+ android:layout_marginBottom="8dip"
+ android:orientation="vertical"
+ android:gravity="left|center_vertical"
+ android:layout_weight="1">
+
+ <TextView android:id="@+id/name"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:singleLine="true"
+ android:textAppearance="?android:attr/textAppearanceMedium"
+ android:ellipsize="marquee"
+ android:fadingEdge="horizontal" />
+
+ <TextView android:id="@+id/description"
+ android:visibility="gone"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_marginTop="4dip"
+ android:textAppearance="?android:attr/textAppearanceSmall"
+ android:textColor="?android:attr/textColorSecondary"
+ android:maxLines="4" />
+
+ </LinearLayout>
+
+ <CheckBox xmlns:android="http://schemas.android.com/apk/res/android"
+ android:id="@+id/checkbox"
+ android:layout_width="wrap_content"
+ android:layout_height="wrap_content"
+ android:layout_gravity="center_vertical"
+ android:layout_marginEnd="16dip"
+ android:layout_marginStart="16dip"
+ android:focusable="false"
+ android:clickable="false" />
+
+</LinearLayout>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 573f4a0..e56c049 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -983,6 +983,37 @@
<!-- Summary of preference to manage device policies -->
<string name="manage_device_admin_summary">View or deactivate device administrators</string>
+ <!-- Notification access settings (part of Security) -->
+
+ <!-- Title of preference to manage notification listeners -->
+ <string name="manage_notification_access">Notification access</string>
+
+ <!-- Summary of preference to manage notification listeners, when none are enabled -->
+ <string name="manage_notification_access_summary_zero">Apps cannot read notifications</string>
+
+ <!-- Summary of preference to manage notification listeners, when one or more are enabled
+ and are therefore able to read the user's notifications -->
+ <plurals name="manage_notification_access_summary_nonzero">
+ <item quantity="one">%d app can read notifications</item>
+ <item quantity="other">%d apps can read notifications</item>
+ </plurals>
+
+ <!-- String to show in the list of notification listeners, when none is installed -->
+ <string name="no_notification_listeners">No notification listeners are installed.</string>
+
+ <!-- Title for a warning message about security implications of enabling a notification
+ listener, displayed as a dialog message. [CHAR LIMIT=NONE] -->
+ <string name="notification_listener_security_warning_title">Enable
+ <xliff:g id="service" example="NotificationReader">%1$s</xliff:g>?</string>
+ <!-- Summary for a warning message about security implications of enabling a notification
+ listener, displayed as a dialog message. [CHAR LIMIT=NONE] -->
+ <string name="notification_listener_security_warning_summary">
+ <xliff:g id="notification_listener_name">%1$s</xliff:g> will be able to
+ read all notifications posted by the system or any installed app, which may include personal
+ information such as contact names and the text of messages sent to you. It will also be able
+ to dismiss these notifications or touch action buttons within them.
+ </string>
+
<!-- Bluetooth settings -->
<!-- Bluetooth settings check box title on Main Settings screen -->
<string name="bluetooth_quick_toggle_title">Bluetooth</string>
diff --git a/res/xml/security_settings_misc.xml b/res/xml/security_settings_misc.xml
index 10fc98f..1ead7a9 100644
--- a/res/xml/security_settings_misc.xml
+++ b/res/xml/security_settings_misc.xml
@@ -58,6 +58,13 @@
android:summaryOff="@string/verify_applications_summary"
android:summaryOn="@string/verify_applications_summary"
android:persistent="false" />
+
+ <Preference
+ android:key="manage_notification_access"
+ android:title="@string/manage_notification_access"
+ android:persistent="false"
+ android:fragment="com.android.settings.NotificationAccessSettings"/>
+
</PreferenceCategory>
<PreferenceCategory android:key="credentials_management"
diff --git a/src/com/android/settings/NotificationAccessSettings.java b/src/com/android/settings/NotificationAccessSettings.java
new file mode 100644
index 0000000..ed81d59
--- /dev/null
+++ b/src/com/android/settings/NotificationAccessSettings.java
@@ -0,0 +1,312 @@
+/*
+ * Copyright (C) 2010 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.ActivityManager;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.content.BroadcastReceiver;
+import android.content.ContentResolver;
+import android.content.DialogInterface;
+import android.content.IntentFilter;
+import android.content.pm.PackageItemInfo;
+import android.content.pm.ServiceInfo;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Handler;
+import android.service.notification.NotificationListenerService;
+import android.util.Slog;
+import android.widget.ArrayAdapter;
+
+import android.app.ListFragment;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.os.Bundle;
+import android.provider.Settings;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import java.util.HashSet;
+import java.util.List;
+
+public class NotificationAccessSettings extends ListFragment {
+ static final String TAG = NotificationAccessSettings.class.getSimpleName();
+ private static final boolean SHOW_PACKAGE_NAME = false;
+
+ private PackageManager mPM;
+ private ContentResolver mCR;
+
+ private final HashSet<ComponentName> mEnabledListeners = new HashSet<ComponentName>();
+ private ListenerListAdapter mList;
+
+ private final Uri ENABLED_NOTIFICATION_LISTENERS_URI
+ = Settings.Secure.getUriFor(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS);
+
+ private final ContentObserver mSettingsObserver = new ContentObserver(new Handler()) {
+ @Override
+ public void onChange(boolean selfChange, Uri uri) {
+ updateList();
+ }
+ };
+
+ private final BroadcastReceiver mPackageReceiver = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ updateList();
+ }
+ };
+
+ public class ListenerWarningDialogFragment extends DialogFragment {
+ static final String KEY_COMPONENT = "c";
+ static final String KEY_LABEL = "l";
+
+ public ListenerWarningDialogFragment setListenerInfo(ComponentName cn, String label) {
+ Bundle args = new Bundle();
+ args.putString(KEY_COMPONENT, cn.flattenToString());
+ args.putString(KEY_LABEL, label);
+ setArguments(args);
+
+ return this;
+ }
+ @Override
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+ final Bundle args = getArguments();
+ final String label = args.getString(KEY_LABEL);
+ final ComponentName cn = ComponentName.unflattenFromString(args.getString(KEY_COMPONENT));
+
+ final String title = getResources().getString(
+ R.string.notification_listener_security_warning_title, label);
+ final String summary = getResources().getString(
+ R.string.notification_listener_security_warning_summary, label);
+ return new AlertDialog.Builder(getActivity())
+ .setMessage(summary)
+ .setTitle(title)
+ .setIconAttribute(android.R.attr.alertDialogIcon)
+ .setCancelable(true)
+ .setPositiveButton(android.R.string.ok,
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int id) {
+ mEnabledListeners.add(cn);
+ saveEnabledListeners();
+ }
+ })
+ .setNegativeButton(android.R.string.cancel,
+ new DialogInterface.OnClickListener() {
+ public void onClick(DialogInterface dialog, int id) {
+ // pass
+ }
+ })
+ .create();
+ }
+ }
+
+ @Override
+ public void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+
+ mPM = getActivity().getPackageManager();
+ mCR = getActivity().getContentResolver();
+ mList = new ListenerListAdapter(getActivity());
+ }
+
+ @Override
+ public View onCreateView(LayoutInflater inflater, ViewGroup container,
+ Bundle savedInstanceState) {
+ return inflater.inflate(R.layout.device_admin_settings, container, false);
+ }
+
+ @Override
+ public void onResume() {
+ super.onResume();
+ updateList();
+
+ // listen for package changes
+ IntentFilter filter = new IntentFilter();
+ filter.addAction(Intent.ACTION_PACKAGE_ADDED);
+ filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
+ filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
+ filter.addAction(Intent.ACTION_PACKAGE_REPLACED);
+ filter.addDataScheme("package");
+ getActivity().registerReceiver(mPackageReceiver, filter);
+
+ mCR.registerContentObserver(ENABLED_NOTIFICATION_LISTENERS_URI, false, mSettingsObserver);
+ }
+
+ @Override
+ public void onPause() {
+ super.onPause();
+
+ getActivity().unregisterReceiver(mPackageReceiver);
+ mCR.unregisterContentObserver(mSettingsObserver);
+ }
+
+ void loadEnabledListeners() {
+ mEnabledListeners.clear();
+ final String flat = Settings.Secure.getString(mCR,
+ Settings.Secure.ENABLED_NOTIFICATION_LISTENERS);
+ if (flat != null && !"".equals(flat)) {
+ final String[] names = flat.split(":");
+ for (int i = 0; i < names.length; i++) {
+ final ComponentName cn = ComponentName.unflattenFromString(names[i]);
+ if (cn != null) {
+ mEnabledListeners.add(cn);
+ }
+ }
+ }
+ }
+
+ void saveEnabledListeners() {
+ StringBuilder sb = null;
+ for (ComponentName cn : mEnabledListeners) {
+ if (sb == null) {
+ sb = new StringBuilder();
+ } else {
+ sb.append(':');
+ }
+ sb.append(cn.flattenToString());
+ }
+ Settings.Secure.putString(mCR,
+ Settings.Secure.ENABLED_NOTIFICATION_LISTENERS,
+ sb != null ? sb.toString() : "");
+ }
+
+ void updateList() {
+ mList.clear();
+
+ loadEnabledListeners();
+
+ final int user = ActivityManager.getCurrentUser();
+
+ List<ResolveInfo> installedServices = mPM.queryIntentServicesAsUser(
+ new Intent(NotificationListenerService.SERVICE_INTERFACE),
+ PackageManager.GET_SERVICES | PackageManager.GET_META_DATA,
+ user);
+
+ for (int i = 0, count = installedServices.size(); i < count; i++) {
+ ResolveInfo resolveInfo = installedServices.get(i);
+ ServiceInfo info = resolveInfo.serviceInfo;
+
+ if (!android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE.equals(
+ info.permission)) {
+ Slog.w(TAG, "Skipping notification listener service "
+ + info.packageName + "/" + info.name
+ + ": it does not require the permission "
+ + android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE);
+ continue;
+ }
+
+ mList.add(info);
+ }
+
+ mList.sort(new PackageItemInfo.DisplayNameComparator(mPM));
+
+ getListView().setAdapter(mList);
+ }
+
+ boolean isListenerEnabled(ServiceInfo info) {
+ final ComponentName cn = new ComponentName(info.packageName, info.name);
+ return mEnabledListeners.contains(cn);
+ }
+
+ @Override
+ public void onListItemClick(ListView l, View v, int position, long id) {
+ ServiceInfo info = mList.getItem(position);
+ final ComponentName cn = new ComponentName(info.packageName, info.name);
+ if (mEnabledListeners.contains(cn)) {
+ // the simple version: disabling
+ mEnabledListeners.remove(cn);
+ saveEnabledListeners();
+ } else {
+ // show a scary dialog
+ new ListenerWarningDialogFragment()
+ .setListenerInfo(cn, info.loadLabel(mPM).toString())
+ .show(getFragmentManager(), "dialog");
+ }
+ }
+
+ static class ViewHolder {
+ ImageView icon;
+ TextView name;
+ CheckBox checkbox;
+ TextView description;
+ }
+
+ class ListenerListAdapter extends ArrayAdapter<ServiceInfo> {
+ final LayoutInflater mInflater;
+
+ ListenerListAdapter(Context context) {
+ super(context, 0, 0);
+ mInflater = (LayoutInflater)
+ getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+ }
+
+ public boolean hasStableIds() {
+ return true;
+ }
+
+ public long getItemId(int position) {
+ return position;
+ }
+
+ public View getView(int position, View convertView, ViewGroup parent) {
+ View v;
+ if (convertView == null) {
+ v = newView(parent);
+ } else {
+ v = convertView;
+ }
+ bindView(v, position);
+ return v;
+ }
+
+ public View newView(ViewGroup parent) {
+ View v = mInflater.inflate(R.layout.notification_listener_item, parent, false);
+ ViewHolder h = new ViewHolder();
+ h.icon = (ImageView) v.findViewById(R.id.icon);
+ h.name = (TextView) v.findViewById(R.id.name);
+ h.checkbox = (CheckBox) v.findViewById(R.id.checkbox);
+ h.description = (TextView) v.findViewById(R.id.description);
+ v.setTag(h);
+ return v;
+ }
+
+ public void bindView(View view, int position) {
+ ViewHolder vh = (ViewHolder) view.getTag();
+ ServiceInfo info = getItem(position);
+
+ vh.icon.setImageDrawable(info.loadIcon(mPM));
+ vh.name.setText(info.loadLabel(mPM));
+ if (SHOW_PACKAGE_NAME) {
+ vh.description.setText(info.packageName);
+ vh.description.setVisibility(View.VISIBLE);
+ } else {
+ vh.description.setVisibility(View.GONE);
+ }
+ vh.checkbox.setChecked(isListenerEnabled(info));
+ }
+ }
+}
diff --git a/src/com/android/settings/SecuritySettings.java b/src/com/android/settings/SecuritySettings.java
index 971a196..d75d630 100644
--- a/src/com/android/settings/SecuritySettings.java
+++ b/src/com/android/settings/SecuritySettings.java
@@ -79,6 +79,7 @@
private static final String KEY_TOGGLE_VERIFY_APPLICATIONS = "toggle_verify_applications";
private static final String KEY_POWER_INSTANTLY_LOCKS = "power_button_instantly_locks";
private static final String KEY_CREDENTIALS_MANAGER = "credentials_management";
+ private static final String KEY_NOTIFICATION_ACCESS = "manage_notification_access";
private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive";
DevicePolicyManager mDPM;
@@ -100,6 +101,8 @@
private CheckBoxPreference mToggleVerifyApps;
private CheckBoxPreference mPowerButtonInstantlyLocks;
+ private Preference mNotificationAccess;
+
private boolean mIsPrimary;
@Override
@@ -283,9 +286,28 @@
}
}
+ final int n = getNumEnabledNotificationListeners();
+ mNotificationAccess = findPreference(KEY_NOTIFICATION_ACCESS);
+ if (n == 0) {
+ mNotificationAccess.setSummary(getResources().getString(
+ R.string.manage_notification_access_summary_zero));
+ } else {
+ mNotificationAccess.setSummary(String.format(getResources().getQuantityString(
+ R.plurals.manage_notification_access_summary_nonzero,
+ n, n)));
+ }
+
return root;
}
+ private int getNumEnabledNotificationListeners() {
+ final String flat = Settings.Secure.getString(getContentResolver(),
+ Settings.Secure.ENABLED_NOTIFICATION_LISTENERS);
+ if (flat == null || "".equals(flat)) return 0;
+ final String[] components = flat.split(":");
+ return components.length;
+ }
+
private boolean isNonMarketAppsAllowed() {
return Settings.Global.getInt(getContentResolver(),
Settings.Global.INSTALL_NON_MARKET_APPS, 0) > 0;
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index e29874b..ed3685d 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -840,4 +840,5 @@
public static class DreamSettingsActivity extends Settings { /* empty */ }
public static class NotificationStationActivity extends Settings { /* empty */ }
public static class UserSettingsActivity extends Settings { /* empty */ }
+ public static class NotificationAccessSettingsActivity extends Settings { /* empty */ }
}