Notification listeners can be enabled in Settings>Security.

Also known as android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS.

Bug: 8454150
Change-Id: I0c2433bf58ba4c78cd461326bd014535c7f67578

4 files changed, 152 insertions, 0 deletions

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 fbf051e..4cb20c4 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"