2014-01-09 38 views
0

我試圖跟蹤每天的數據使用情況。我得到了一些跟蹤數據使用情況的提示,但沒有得到如何計算1天的數據使用情況。 IOS應用程序「我的數據管理器」跟蹤數據使用情況並提供每日/每月的使用情況。每天跟蹤iPhone數據使用情況

鏈接:http://www.mobidia.com/

什麼可能是背後的邏輯,讓特定的時間間隔(1天/ 1個月)的數據使用情況如何?

數據使用情況的跟蹤代碼:

- (NSArray *)getDataCounters 
{ 
    BOOL success; 
    struct ifaddrs *addrs; 
    const struct ifaddrs *cursor; 
    const struct if_data *networkStatisc; 

    int WiFiSent = 0; 
    int WiFiReceived = 0; 
    int WWANSent = 0; 
    int WWANReceived = 0; 

    NSString *name=[[[NSString alloc]init]autorelease]; 

    success = getifaddrs(&addrs) == 0; 
    if (success) 
    { 
     cursor = addrs; 
     while (cursor != NULL) 
     { 
      name=[NSString stringWithFormat:@"%s",cursor->ifa_name]; 
      NSLog(@"ifa_name %s == %@\n", cursor->ifa_name,name); 
      // names of interfaces: en0 is WiFi ,pdp_ip0 is WWAN 

      if (cursor->ifa_addr->sa_family == AF_LINK) 
      { 
       if ([name hasPrefix:@"en"]) 
       { 
        networkStatisc = (const struct if_data *) cursor->ifa_data; 
        WiFiSent+=networkStatisc->ifi_obytes; 
        WiFiReceived+=networkStatisc->ifi_ibytes; 
        NSLog(@"WiFiSent %d ==%d",WiFiSent,networkStatisc->ifi_obytes); 
        NSLog(@"WiFiReceived %d ==%d",WiFiReceived,networkStatisc->ifi_ibytes); 
       } 

       if ([name hasPrefix:@"pdp_ip"]) 
       { 
        networkStatisc = (const struct if_data *) cursor->ifa_data; 
        WWANSent+=networkStatisc->ifi_obytes; 
        WWANReceived+=networkStatisc->ifi_ibytes; 
        NSLog(@"WWANSent %d ==%d",WWANSent,networkStatisc->ifi_obytes); 
        NSLog(@"WWANReceived %d ==%d",WWANReceived,networkStatisc->ifi_ibytes); 
       } 
      } 

      cursor = cursor->ifa_next; 
     } 

     freeifaddrs(addrs); 
    }  

    return [NSArray arrayWithObjects:[NSNumber numberWithInt:WiFiSent], [NSNumber numberWithInt:WiFiReceived],[NSNumber numberWithInt:WWANSent],[NSNumber numberWithInt:WWANReceived], nil]; 
} 
+1

這不是你自己的代碼。這是從http://stackoverflow.com/questions/7946699/iphone-data-usage-tracking-monitoring/8014012#8014012確切副本。 -1爲... –

回答

0

據我知道有沒有辦法得到一段時間的信息,你只能得到當前的數據。因此,您應該跟蹤數據使用情況並根據當前日期進行存儲。然後你可以顯示先前跟蹤的信息。