要獲取當(dāng)前網(wǎng)絡(luò)狀態(tài)（Wi-Fi、4G、3G）
+ (NSString *)getNetconnType{
NSString *netconnType = @"";
Reachability *reach = [Reachability reachabilityWithHostName:@"www.apple.com"];
switch ([reach currentReachabilityStatus]) {
case NotReachable:// 沒(méi)有網(wǎng)絡(luò)
{
netconnType = @"no network";
}
break;
case ReachableViaWiFi:// Wifi
{
netconnType = @"Wifi";
}
break;
case ReachableViaWWAN:// 手機(jī)自帶網(wǎng)絡(luò)
{
// 獲取手機(jī)網(wǎng)絡(luò)類型
CTTelephonyNetworkInfo *info = [[CTTelephonyNetworkInfo alloc] init];
NSString *currentStatus = info.currentRadioAccessTechnology;
if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyGPRS"]) {
netconnType = @"GPRS";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyEdge"]) {
netconnType = @"2.75G EDGE";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyWCDMA"]){
netconnType = @"3G";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyHSDPA"]){
netconnType = @"3.5G HSDPA";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyHSUPA"]){
netconnType = @"3.5G HSUPA";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyCDMA1x"]){
netconnType = @"2G";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyCDMAEVDORev0"]){
netconnType = @"3G";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyCDMAEVDORevA"]){
netconnType = @"3G";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyCDMAEVDORevB"]){
netconnType = @"3G";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyeHRPD"]){
netconnType = @"HRPD";
}else if ([currentStatus isEqualToString:@"CTRadioAccessTechnologyLTE"]){
netconnType = @"4G";
}
}
break;
default:
break;
}
return netconnType;
}
每一項(xiàng)是什么意思不太清楚，但是有時(shí)候要用區(qū)分2G、3G、4G和wifi
/*
NSArray *typeStrings2G = @[CTRadioAccessTechnologyEdge,
CTRadioAccessTechnologyGPRS,
CTRadioAccessTechnologyCDMA1x];
NSArray *typeStrings3G = @[CTRadioAccessTechnologyHSDPA,
CTRadioAccessTechnologyWCDMA,
CTRadioAccessTechnologyHSUPA,
CTRadioAccessTechnologyCDMAEVDORev0,
CTRadioAccessTechnologyCDMAEVDORevA,
CTRadioAccessTechnologyCDMAEVDORevB,
CTRadioAccessTechnologyeHRPD];
NSArray *typeStrings4G = @[CTRadioAccessTechnologyLTE];
*/
