| /** |
| * Copyright (c) 2018 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.car.multidisplay.launcher; |
| |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.SharedPreferences; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.os.AsyncTask; |
| |
| import androidx.lifecycle.LiveData; |
| |
| import static com.android.car.multidisplay.launcher.PinnedAppListViewModel.PINNED_APPS_KEY; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Set; |
| |
| class PinnedAppListLiveData extends LiveData<List<AppEntry>> { |
| |
| private final Context mContext; |
| private final PackageManager mPackageManager; |
| // Store listener reference, so it won't be GC-ed. |
| private final SharedPreferences.OnSharedPreferenceChangeListener mChangeListener; |
| private int mCurrentDataVersion; |
| |
| PinnedAppListLiveData(Context context) { |
| mContext = context; |
| mPackageManager = context.getPackageManager(); |
| |
| final SharedPreferences prefs = context.getSharedPreferences(PINNED_APPS_KEY, 0); |
| mChangeListener = (preferences, key) -> { |
| loadData(); |
| }; |
| prefs.registerOnSharedPreferenceChangeListener(mChangeListener); |
| |
| loadData(); |
| } |
| |
| private void loadData() { |
| final int loadDataVersion = ++mCurrentDataVersion; |
| |
| new AsyncTask<Void, Void, List<AppEntry>>() { |
| @Override |
| protected List<AppEntry> doInBackground(Void... voids) { |
| List<AppEntry> entries = new ArrayList<>(); |
| |
| final SharedPreferences sp = mContext.getSharedPreferences(PINNED_APPS_KEY, 0); |
| final Set<String> pinnedAppsComponents = sp.getStringSet(PINNED_APPS_KEY, null); |
| if (pinnedAppsComponents == null) { |
| return null; |
| } |
| |
| for (String componentString : pinnedAppsComponents) { |
| final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); |
| mainIntent.setComponent(ComponentName.unflattenFromString(componentString)); |
| mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); |
| |
| final List<ResolveInfo> apps = mPackageManager.queryIntentActivities(mainIntent, |
| PackageManager.GET_META_DATA); |
| |
| if (apps != null) { |
| for (ResolveInfo app : apps) { |
| final AppEntry entry = new AppEntry(app, mPackageManager); |
| entries.add(entry); |
| } |
| } |
| } |
| |
| return entries; |
| } |
| |
| @Override |
| protected void onPostExecute(List<AppEntry> data) { |
| if (mCurrentDataVersion == loadDataVersion) { |
| setValue(data); |
| } |
| } |
| }.execute(); |
| } |
| } |