Android example source code file (TrafficStats.java)

This example Android source code file (TrafficStats.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

android, io, trafficstats, unsupported, util, utilities, utils

The TrafficStats.java Android example source code

/*
 * Copyright (C) 2007 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.net;

import android.util.Log;

import java.io.File;
import java.io.RandomAccessFile;
import java.io.IOException;

/**
 * Class that provides network traffic statistics.  These statistics include
 * bytes transmitted and received and network packets transmitted and received,
 * over all interfaces, over the mobile interface, and on a per-UID basis.
 * <p>
 * These statistics may not be available on all platforms.  If the statistics
 * are not supported by this device, {@link #UNSUPPORTED} will be returned.
 */
public class TrafficStats {
    /**
     * The return value to indicate that the device does not support the statistic.
     */
    public final static int UNSUPPORTED = -1;

    /**
     * Get the total number of packets transmitted through the mobile interface.
     *
     * @return number of packets.  If the statistics are not supported by this device,
     * {@link #UNSUPPORTED} will be returned.
     */
    public static native long getMobileTxPackets();

    /**
     * Get the total number of packets received through the mobile interface.
     *
     * @return number of packets.  If the statistics are not supported by this device,
     * {@link #UNSUPPORTED} will be returned.
     */
    public static native long getMobileRxPackets();

    /**
     * Get the total number of bytes transmitted through the mobile interface.
     *
     * @return number of bytes.  If the statistics are not supported by this device,
     * {@link #UNSUPPORTED} will be returned.
     */
      public static native long getMobileTxBytes();

    /**
     * Get the total number of bytes received through the mobile interface.
     *
     * @return number of bytes.  If the statistics are not supported by this device,
     * {@link #UNSUPPORTED} will be returned.
     */
    public static native long getMobileRxBytes();

    /**
     * Get the total number of packets sent through all network interfaces.
     *
     * @return the number of packets.  If the statistics are not supported by this device,
     * {@link #UNSUPPORTED} will be returned.
     */
    public static native long getTotalTxPackets();

    /**
     * Get the total number of packets received through all network interfaces.
     *
     * @return number of packets.  If the statistics are not supported by this device,
     * {@link #UNSUPPORTED} will be returned.
     */
    public static native long getTotalRxPackets();

    /**
     * Get the total number of bytes sent through all network interfaces.
     *
     * @return number of bytes.  If the statistics are not supported by this device,
     * {@link #UNSUPPORTED} will be returned.
     */
    public static native long getTotalTxBytes();

    /**
     * Get the total number of bytes received through all network interfaces.
     *
     * @return number of bytes.  If the statistics are not supported by this device,
     * {@link #UNSUPPORTED} will be returned.
     */
    public static native long getTotalRxBytes();

    /**
     * Get the number of bytes sent through the network for this UID.
     * The statistics are across all interfaces.
     *
     * {@see android.os.Process#myUid()}.
     *
     * @param uid The UID of the process to examine.
     * @return number of bytes.  If the statistics are not supported by this device,
     * {@link #UNSUPPORTED} will be returned.
     */
    public static native long getUidTxBytes(int uid);

    /**
     * Get the number of bytes received through the network for this UID.
     * The statistics are across all interfaces.
     *
     * {@see android.os.Process#myUid()}.
     *
     * @param uid The UID of the process to examine.
     * @return number of bytes
     */
    public static native long getUidRxBytes(int uid);
}