在 Android Q 之前,您所要做的就是使用 NetworkUtils 类。但是这个类在 API 29 中被弃用了。
我一直在寻找替代方案,但似乎找不到。
那么,如何在 Android Q 中检查互联网连接?
最佳答案
使用此代码段。
@IntRange(from = 0, to = 3)
public static int getConnectionType(Context context) {
int result = 0; // Returns connection type. 0: none; 1: mobile data; 2: wifi
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (cm != null) {
NetworkCapabilities capabilities = cm.getNetworkCapabilities(cm.getActiveNetwork());
if (capabilities != null) {
if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
result = 2;
} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
result = 1;
} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_VPN)) {
result = 3;
}
}
}
} else {
if (cm != null) {
NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
if (activeNetwork != null) {
// connected to the internet
if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI) {
result = 2;
} else if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE) {
result = 1;
} else if (activeNetwork.getType() == ConnectivityManager.TYPE_VPN) {
result = 3;
}
}
}
}
return result;
}
快乐编码:)
关于java - 如何在 Android Q 中检查互联网连接?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/60827877/