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/*
* 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);
}
}
}
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