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/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 */ }
}