| /* |
| * Copyright (C) 2017 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 android.content.pm; |
| |
| import android.content.res.AssetManager; |
| import android.content.res.Resources; |
| import android.os.SystemProperties; |
| import android.util.ArrayMap; |
| import android.util.Log; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| |
| /** |
| * Class that provides fallback values for {@link ApplicationInfo#category}. |
| * |
| * @hide |
| */ |
| public class FallbackCategoryProvider { |
| private static final String TAG = "FallbackCategoryProvider"; |
| |
| private static final ArrayMap<String, Integer> sFallbacks = new ArrayMap<>(); |
| |
| public static void loadFallbacks() { |
| sFallbacks.clear(); |
| if (SystemProperties.getBoolean("fw.ignore_fb_categories", false)) { |
| Log.d(TAG, "Ignoring fallback categories"); |
| return; |
| } |
| |
| final AssetManager assets = new AssetManager(); |
| assets.addAssetPath("/system/framework/framework-res.apk"); |
| final Resources res = new Resources(assets, null, null); |
| |
| try (BufferedReader reader = new BufferedReader(new InputStreamReader( |
| res.openRawResource(com.android.internal.R.raw.fallback_categories)))) { |
| String line; |
| while ((line = reader.readLine()) != null) { |
| if (line.charAt(0) == '#') continue; |
| final String[] split = line.split(","); |
| if (split.length == 2) { |
| sFallbacks.put(split[0], Integer.parseInt(split[1])); |
| } |
| } |
| Log.d(TAG, "Found " + sFallbacks.size() + " fallback categories"); |
| } catch (IOException | NumberFormatException e) { |
| Log.w(TAG, "Failed to read fallback categories", e); |
| } |
| } |
| |
| public static int getFallbackCategory(String packageName) { |
| return sFallbacks.getOrDefault(packageName, ApplicationInfo.CATEGORY_UNDEFINED); |
| } |
| } |