app安卓或者苹果应用开发,有没有办法识别到2G还是3G或者是4G还是5G网络?
时间: 2024-03-16 10:43:39 浏览: 21
是的,可以通过代码识别当前网络连接的类型,以下是一些示例代码:
在Android中,您可以使用ConnectivityManager来获取当前网络的类型。例如:
```java
ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetwork = connectivityManager.getActiveNetworkInfo();
if (activeNetwork != null && activeNetwork.isConnected()) {
if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI) {
// connected to wifi
} else if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE) {
// connected to mobile data
switch(activeNetwork.getSubtype()){
case TelephonyManager.NETWORK_TYPE_GPRS:
case TelephonyManager.NETWORK_TYPE_EDGE:
case TelephonyManager.NETWORK_TYPE_CDMA:
case TelephonyManager.NETWORK_TYPE_1xRTT:
case TelephonyManager.NETWORK_TYPE_IDEN:
// connected to 2G network
break;
case TelephonyManager.NETWORK_TYPE_UMTS:
case TelephonyManager.NETWORK_TYPE_EVDO_0:
case TelephonyManager.NETWORK_TYPE_EVDO_A:
case TelephonyManager.NETWORK_TYPE_HSDPA:
case TelephonyManager.NETWORK_TYPE_HSUPA:
case TelephonyManager.NETWORK_TYPE_HSPA:
case TelephonyManager.NETWORK_TYPE_EVDO_B:
case TelephonyManager.NETWORK_TYPE_EHRPD:
case TelephonyManager.NETWORK_TYPE_HSPAP:
// connected to 3G/4G network
break;
case TelephonyManager.NETWORK_TYPE_LTE:
// connected to 4G network
break;
case TelephonyManager.NETWORK_TYPE_NR:
// connected to 5G network
break;
default:
// connected to unknown network
break;
}
}
} else {
// not connected to the internet
}
```
在iOS中,您可以使用Reachability库来获取当前网络的类型。例如:
```swift
import SystemConfiguration
func networkType() -> String {
let reachability = SCNetworkReachabilityCreateWithName(nil, "www.apple.com")
var flags = SCNetworkReachabilityFlags()
SCNetworkReachabilityGetFlags(reachability!, &flags)
if flags.contains(.isWWAN) {
let networkInfo = CTTelephonyNetworkInfo()
if let networkType = networkInfo.currentRadioAccessTechnology {
switch networkType {
case CTRadioAccessTechnologyGPRS,
CTRadioAccessTechnologyEdge,
CTRadioAccessTechnologyCDMA1x:
return "2G"
case CTRadioAccessTechnologyWCDMA,
CTRadioAccessTechnologyHSDPA,
CTRadioAccessTechnologyHSUPA,
CTRadioAccessTechnologyCDMAEVDORev0,
CTRadioAccessTechnologyCDMAEVDORevA,
CTRadioAccessTechnologyCDMAEVDORevB,
CTRadioAccessTechnologyeHRPD:
return "3G"
case CTRadioAccessTechnologyLTE:
return "4G"
case CTRadioAccessTechnologyNR:
return "5G"
default:
return "Unknown"
}
}
} else {
if flags.contains(.reachable) {
return "WiFi"
} else {
return "No Connection"
}
}
return "Unknown"
}
```
注意,这些代码只是示例,您需要根据您的应用程序的具体需求进行修改。