| /* |
| * 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 com.android.settings.applications.appinfo; |
| |
| import android.app.LoaderManager; |
| import android.content.Context; |
| import android.content.Loader; |
| import android.net.INetworkStatsService; |
| import android.net.INetworkStatsSession; |
| import android.net.NetworkTemplate; |
| import android.os.Bundle; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| import android.text.format.DateUtils; |
| import android.text.format.Formatter; |
| |
| import com.android.settings.R; |
| import com.android.settings.SettingsPreferenceFragment; |
| import com.android.settings.Utils; |
| import com.android.settings.datausage.AppDataUsage; |
| import com.android.settings.datausage.DataUsageList; |
| import com.android.settings.datausage.DataUsageUtils; |
| import com.android.settingslib.AppItem; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnPause; |
| import com.android.settingslib.core.lifecycle.events.OnResume; |
| import com.android.settingslib.net.ChartData; |
| import com.android.settingslib.net.ChartDataLoader; |
| |
| public class AppDataUsagePreferenceController extends AppInfoPreferenceControllerBase |
| implements LoaderManager.LoaderCallbacks<ChartData>, LifecycleObserver, OnResume, OnPause { |
| |
| private ChartData mChartData; |
| private INetworkStatsSession mStatsSession; |
| |
| public AppDataUsagePreferenceController(Context context,String key) { |
| super(context, key); |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| return isBandwidthControlEnabled() ? AVAILABLE : CONDITIONALLY_UNAVAILABLE; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| if (isAvailable()) { |
| final INetworkStatsService statsService = INetworkStatsService.Stub.asInterface( |
| ServiceManager.getService(Context.NETWORK_STATS_SERVICE)); |
| try { |
| mStatsSession = statsService.openSession(); |
| } catch (RemoteException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| preference.setSummary(getDataSummary()); |
| } |
| |
| @Override |
| public void onResume() { |
| if (mStatsSession != null) { |
| final int uid = mParent.getAppEntry().info.uid; |
| final AppItem app = new AppItem(uid); |
| app.addUid(uid); |
| mParent.getLoaderManager().restartLoader(mParent.LOADER_CHART_DATA, |
| ChartDataLoader.buildArgs(getTemplate(mContext), app), |
| this); |
| } |
| } |
| |
| @Override |
| public void onPause() { |
| mParent.getLoaderManager().destroyLoader(mParent.LOADER_CHART_DATA); |
| } |
| |
| @Override |
| public Loader<ChartData> onCreateLoader(int id, Bundle args) { |
| return new ChartDataLoader(mContext, mStatsSession, args); |
| } |
| |
| @Override |
| public void onLoadFinished(Loader<ChartData> loader, ChartData data) { |
| mChartData = data; |
| updateState(mPreference); |
| } |
| |
| @Override |
| public void onLoaderReset(Loader<ChartData> loader) { |
| // Leave last result. |
| } |
| |
| @Override |
| protected Class<? extends SettingsPreferenceFragment> getDetailFragmentClass() { |
| return AppDataUsage.class; |
| } |
| |
| private CharSequence getDataSummary() { |
| if (mChartData != null) { |
| final long totalBytes = mChartData.detail.getTotalBytes(); |
| if (totalBytes == 0) { |
| return mContext.getString(R.string.no_data_usage); |
| } |
| return mContext.getString(R.string.data_summary_format, |
| Formatter.formatFileSize(mContext, totalBytes), |
| DateUtils.formatDateTime(mContext, mChartData.detail.getStart(), |
| DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_ABBREV_MONTH)); |
| } |
| return mContext.getString(R.string.computing_size); |
| } |
| |
| private static NetworkTemplate getTemplate(Context context) { |
| if (DataUsageList.hasReadyMobileRadio(context)) { |
| return NetworkTemplate.buildTemplateMobileWildcard(); |
| } |
| if (DataUsageUtils.hasWifiRadio(context)) { |
| return NetworkTemplate.buildTemplateWifiWildcard(); |
| } |
| return NetworkTemplate.buildTemplateEthernet(); |
| } |
| |
| @VisibleForTesting |
| boolean isBandwidthControlEnabled() { |
| return Utils.isBandwidthControlEnabled(); |
| } |
| |
| } |