1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.dialer.notification; 18 19 import android.app.NotificationManager; 20 import android.service.notification.StatusBarNotification; 21 import android.support.annotation.NonNull; 22 import android.support.annotation.Nullable; 23 import java.util.Objects; 24 25 /** Utilities for dealing with grouped notifications */ 26 public final class GroupedNotificationUtil { 27 28 /** 29 * Remove notification(s) that were added as part of a group. Will ensure that if this is the last 30 * notification in the group the summary will be removed. 31 * 32 * @param tag String tag as included in {@link NotificationManager#notify(String, int, 33 * android.app.Notification)}. If null will remove all notifications under id 34 * @param id notification id as included with {@link NotificationManager#notify(String, int, 35 * android.app.Notification)}. 36 * @param summaryTag String tag of the summary notification 37 */ removeNotification( @onNull NotificationManager notificationManager, @Nullable String tag, int id, @NonNull String summaryTag)38 public static void removeNotification( 39 @NonNull NotificationManager notificationManager, 40 @Nullable String tag, 41 int id, 42 @NonNull String summaryTag) { 43 if (tag == null) { 44 // Clear all grouped notifications 45 for (StatusBarNotification notification : notificationManager.getActiveNotifications()) { 46 if (notification.getId() == id) { 47 notificationManager.cancel(notification.getTag(), id); 48 } 49 } 50 } else { 51 notificationManager.cancel(tag, id); 52 53 // See if other non-summary grouped notifications exist, and if not then clear the summary 54 boolean clearSummary = true; 55 for (StatusBarNotification notification : notificationManager.getActiveNotifications()) { 56 if (notification.getId() == id && !Objects.equals(summaryTag, notification.getTag())) { 57 clearSummary = false; 58 break; 59 } 60 } 61 if (clearSummary) { 62 notificationManager.cancel(summaryTag, id); 63 } 64 } 65 } 66 } 67