diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java index a51fd07e41..34660ac151 100644 --- a/src/com/android/launcher3/LauncherModel.java +++ b/src/com/android/launcher3/LauncherModel.java @@ -2849,8 +2849,7 @@ public class LauncherModel extends BroadcastReceiver } public void bindDeepShortcuts() { - final MultiHashMap shortcutMapCopy = new MultiHashMap<>(); - shortcutMapCopy.putAll(mBgDeepShortcutMap); + final MultiHashMap shortcutMapCopy = mBgDeepShortcutMap.clone(); Runnable r = new Runnable() { @Override public void run() { diff --git a/src/com/android/launcher3/util/MultiHashMap.java b/src/com/android/launcher3/util/MultiHashMap.java index f54ab88400..b7275c1f76 100644 --- a/src/com/android/launcher3/util/MultiHashMap.java +++ b/src/com/android/launcher3/util/MultiHashMap.java @@ -1,3 +1,19 @@ +/* + * Copyright (C) 2016 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.launcher3.util; import java.util.ArrayList; @@ -7,6 +23,13 @@ import java.util.HashMap; * A utility map from keys to an ArrayList of values. */ public class MultiHashMap extends HashMap> { + + public MultiHashMap() { } + + public MultiHashMap(int size) { + super(size); + } + public void addToList(K key, V value) { ArrayList list = get(key); if (list == null) { @@ -17,4 +40,13 @@ public class MultiHashMap extends HashMap> { list.add(value); } } + + @Override + public MultiHashMap clone() { + MultiHashMap map = new MultiHashMap<>(size()); + for (Entry> entry : entrySet()) { + map.put(entry.getKey(), new ArrayList(entry.getValue())); + } + return map; + } }