前面一篇博文【点我】说道，andorid2.1没有提供取得流量的api，所以自己写了个……
/** * */package com.born.test.dev.util;import java.io.BufferedReader;import java.io.File;import java.io.FileNotFoundException;import java.io.FileReader;import java.io.IOException;/** * * @author 许力多 * */public class MTrafficStats { private static final String TAG = "MTrafficStats"; public final static String DEV_FILE = "/proc/self/net/dev";// 系统流量文件 public final static String ETHLINE = "eth0";// eth是以太网信息 public final static String GPRSLINE = "rmnet0"; // rmnet0 是 GPRS public final static String WIFILINE = "tiwlan0"; // tiwlan0 是 Wifi private static String[][] traffic = { { "0", "0" }, { "0", "0" } };// [0][*]GPRS // [1][*]wifi // [*][0]Receive // [*][1]Transmit private static File srcfile; // private static RandomAccessFile file; // private long mobileRxBytes = 0; // private long mobileTxBytes = 0; /*** * The return value to indicate that the device does not support the * statistic. */ public final static int UNSUPPORTED = -1; /** * 设置 流量 * * @param type * 0、GPRS 1、wifi */ private static void setTraffic(int type, String rx, String tx) { if (type > 1) { return; } traffic[type][0] = rx; traffic[type][1] = tx; } /** * 设置流量对象， 换成nio效率要高点，不过这个文件非常小，读取只有0.x毫秒 */ private synchronized static void setTraffic() { if (srcfile == null) { srcfile = new File(DEV_FILE); } FileReader fstream = null; BufferedReader in = null; try { fstream = new FileReader(srcfile); in = new BufferedReader(fstream, 128); String line; String[] segs; while ((line = in.readLine()) != null) { segs = line.trim().split(":"); if (line.startsWith(GPRSLINE)) { String temp[] = segs[1].trim().split("\\t+|\\s+"); if (temp.length > 8) { setTraffic(0, temp[0], temp[8]); } } else if (line.startsWith(WIFILINE)) { String temp[] = segs[1].trim().split("\\t+|\\s+"); if (temp.length > 8) { setTraffic(1, temp[0], temp[8]); } } } } catch (FileNotFoundException e) { MLog.e(TAG, "getMobileTxBytes", e); } catch (IOException e) { MLog.e(TAG, "getMobileTxBytes", e); } finally { if (fstream != null) { try { fstream.close(); } catch (IOException e) { } } if (in != null) { try { in.close(); } catch (IOException e) { } } } } /** * 未实现 * * @return */ public static long getMobileTxPackets() { return UNSUPPORTED; } /** * 未实现 * * @return */ public static long getMobileRxPackets() { return UNSUPPORTED; } /** * 获得及时上传流量（mobile） rmnet0 's Transmit * * @return */ public static long getMobileTxBytes() { setTraffic(); try { return Long.parseLong(traffic[0][1]); } catch (Exception e) { MLog.e(TAG, "error-->" + traffic[0][1]); MLog.e(TAG, "Exception", e); return UNSUPPORTED; } } /** * 获得及时下载流量(mobile) rmnet0 's Receive * * @return */ public static long getMobileRxBytes() { setTraffic(); try { return Long.parseLong(traffic[0][0]); } catch (Exception e) { MLog.e(TAG, "error-->" + traffic[0][0]); MLog.e(TAG, "Exception", e); return UNSUPPORTED; } } /** * 未实现 * * @return -1 */ public static long getTotalTxPackets() { return UNSUPPORTED; } /** * 未实现 * * @return -1 */ public static long getTotalRxPackets() { return UNSUPPORTED; } /** * 获得总的上传流量（mobile + wifi） rmnet0 & Transmit 's Transmit * * @return */ public static long getTotalTxBytes() { setTraffic(); try { return Long.parseLong(traffic[0][1]) + Long.parseLong(traffic[1][1]); } catch (Exception e) { MLog.e(TAG, "error-->" + traffic[0][1] + ":" + traffic[1][1]); MLog.e(TAG, "Exception", e); return UNSUPPORTED; } } /** * 获得总的下载流量（mobile + wifi） rmnet0 & Transmit 's Receive * * @return */ public static long getTotalRxBytes() { setTraffic(); try { return Long.parseLong(traffic[0][0]) + Long.parseLong(traffic[1][0]); } catch (Exception e) { MLog.e(TAG, "error-->" + traffic[0][1] + ":" + traffic[1][0]); MLog.e(TAG, "Exception", e); return UNSUPPORTED; } } /** * 未实现 * * @param uid * @return */ public static long getUidTxBytes(int uid) { return UNSUPPORTED; } /** * 未实现 * * @param uid * @return */ public static long getUidRxBytes(int uid) { return UNSUPPORTED; }}PS：MLog是偶自定义的日志封装类，可以直接替换成Log就是了