| /* |
| * 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.settingslib.net; |
| |
| import android.app.usage.NetworkStats; |
| import android.app.usage.NetworkStatsManager; |
| import android.content.Context; |
| import android.net.NetworkTemplate; |
| import android.os.RemoteException; |
| import android.util.Log; |
| |
| import androidx.loader.content.AsyncTaskLoader; |
| |
| /** |
| * Loader for retrieving the network stats summary for all UIDs. |
| */ |
| public class NetworkStatsSummaryLoader extends AsyncTaskLoader<NetworkStats> { |
| |
| private static final String TAG = "NetworkDetailLoader"; |
| private final NetworkStatsManager mNetworkStatsManager; |
| private final long mStart; |
| private final long mEnd; |
| private final NetworkTemplate mNetworkTemplate; |
| |
| private NetworkStatsSummaryLoader(Builder builder) { |
| super(builder.mContext); |
| mStart = builder.mStart; |
| mEnd = builder.mEnd; |
| mNetworkTemplate = builder.mNetworkTemplate; |
| mNetworkStatsManager = (NetworkStatsManager) |
| builder.mContext.getSystemService(Context.NETWORK_STATS_SERVICE); |
| } |
| |
| @Override |
| protected void onStartLoading() { |
| super.onStartLoading(); |
| forceLoad(); |
| } |
| |
| @Override |
| public NetworkStats loadInBackground() { |
| try { |
| return mNetworkStatsManager.querySummary(mNetworkTemplate, mStart, mEnd); |
| } catch (RemoteException e) { |
| Log.e(TAG, "Exception querying network detail.", e); |
| return null; |
| } |
| } |
| |
| @Override |
| protected void onStopLoading() { |
| super.onStopLoading(); |
| cancelLoad(); |
| } |
| |
| @Override |
| protected void onReset() { |
| super.onReset(); |
| cancelLoad(); |
| } |
| |
| public static class Builder { |
| private final Context mContext; |
| private long mStart; |
| private long mEnd; |
| private NetworkTemplate mNetworkTemplate; |
| |
| public Builder(Context context) { |
| mContext = context; |
| } |
| |
| public Builder setStartTime(long start) { |
| mStart = start; |
| return this; |
| } |
| |
| public Builder setEndTime(long end) { |
| mEnd = end; |
| return this; |
| } |
| |
| /** |
| * Set {@link NetworkTemplate} for builder |
| */ |
| public Builder setNetworkTemplate(NetworkTemplate template) { |
| mNetworkTemplate = template; |
| return this; |
| } |
| |
| public NetworkStatsSummaryLoader build() { |
| return new NetworkStatsSummaryLoader(this); |
| } |
| } |
| } |