2 * Copyright (C) 2008 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.layoutlib.bridge;
19 import android.content.res.AssetManager;
21 public class BridgeAssetManager extends AssetManager {
24 * This initializes the static field {@link AssetManager#mSystem} which is used
25 * by methods who get a global asset manager using {@link AssetManager#getSystem()}.
27 * They will end up using our bridge asset manager.
29 * {@link Bridge} calls this method after setting up a new bridge.
31 /*package*/ static AssetManager initSystem() {
32 if (!(AssetManager.sSystem instanceof BridgeAssetManager)) {
33 // Note that AssetManager() creates a system AssetManager and we override it
34 // with our BridgeAssetManager.
35 AssetManager.sSystem = new BridgeAssetManager();
36 AssetManager.sSystem.makeStringBlocks(false);
38 return AssetManager.sSystem;
42 * Clears the static {@link AssetManager#sSystem} to make sure we don't leave objects
43 * around that would prevent us from unloading the library.
45 /*package*/ static void clearSystem() {
46 AssetManager.sSystem = null;
49 private BridgeAssetManager() {