android 2.1 获取手机流量

在android 2.2以后(API 8),google提供了api:TrafficStats来获取手机的wifi、3G流量。
但是2.1(API 7)是没有这个静态类的,所以需要通过读取文件(/proc/net/dev)方式来判断

可以先 adb shell(不一定要挂载为root)后
$cat /proc/net/dev
Sql代码  收藏代码
  1. Inter-|   Receive                                                |  Transmit  
  2.   
  3.  face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed  
  4.   
  5.     lo:    3656      48    0    0    0     0          0         0     3656      48    0    0    0     0       0          0  
  6.   
  7. dummy0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  8.   
  9. rmnet0: 2557255    2287    0    0    0     0          0         0   691966    1722    0    0    0     0       0          0  
  10.   
  11. rmnet1:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  12.   
  13. rmnet2:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  14.   
  15. rmnet3:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  16.   
  17. rmnet4:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  18.   
  19. rmnet5:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  20.   
  21. rmnet6:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  22.   
  23. rmnet7:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  24.   
  25. rmnet8:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  26.   
  27. rmnet9:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  28.   
  29. rmnet10:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  30.   
  31.   usb0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  32.   
  33.  tunl0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  34.   
  35.   sit0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  36.   
  37. ip6tnl0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0  
  38.   
  39.  wlan0:   32341     206    0    0    0     0          0         0      576       6    0    0    0     0       0          0  
Inter-|   Receive                                                |  Transmit

 face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed

    lo:    3656      48    0    0    0     0          0         0     3656      48    0    0    0     0       0          0

dummy0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet0: 2557255    2287    0    0    0     0          0         0   691966    1722    0    0    0     0       0          0

rmnet1:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet2:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet3:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet4:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet5:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet6:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet7:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet8:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet9:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

rmnet10:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

  usb0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

 tunl0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

  sit0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

ip6tnl0:       0       0    0    0    0     0          0         0        0       0    0    0    0     0       0          0

 wlan0:   32341     206    0    0    0     0          0         0      576       6    0    0    0     0       0          0


其中:
tiwlan0 是 Wifi流量
rmnet0 是 无线流量
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