获取网络状态，区分2G3G4GWIFI等，非reachability

来源：互联网发布：时时彩统计软件编辑：程序博客网时间：2024/04/29 07:19

原文：http://www.cocoachina.com/bbs/read.php?tid=227757

+(NSString *)getNetWorkStates{

UIApplication *app = [UIApplication sharedApplication];
NSArray *children = [[[app valueForKeyPath:@"statusBar"]valueForKeyPath:@"foregroundView"]subviews];
  NSString *state = [[NSString alloc]init];
  int netType = 0;
//获取到网络返回码
  for (id child in children) {
if ([child isKindOfClass:NSClassFromString(@"UIStatusBarDataNetworkItemView")]) {
  //获取到状态栏
netType = [[child valueForKeyPath:@"dataNetworkType"]intValue];

  switch (netType) {
  case 0:
state = @"无网络";
  //无网模式
  break;
  case 1:
state = @"2G";
  break;
  case 2:
state = @"3G";
  break;
  case 3:
state = @"4G";
  break;
  case 5:
{
state = @"WIFI";
}
  break;
  default:
  break;
}
}
}
//根据状态选择
  return state;
}
根据状态栏获取网络状态，可以区分2G、3G、4G、WIFI，系统的方法，比较快捷。稍微蛋疼的是万一连接的WIFI没有联网的话···你懂得

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