private var networkCallback = object : ConnectivityManager.NetworkCallback() {
override fun onCapabilitiesChanged(
network: Network,
networkCapabilities: NetworkCapabilities
) {
super.onCapabilitiesChanged(network, networkCapabilities)
//表明此网络连接验证成功
if(networkCapabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)) {
if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
Log.d(TAG, "===当前在使用Mobile流量上网===");
} else if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
Log.d(TAG, "====当前在使用WiFi上网===");
} else if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_BLUETOOTH)) {
Log.d(TAG, "=====当前使用蓝牙上网=====");
} else if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)) {
Log.d(TAG, "=====当前使用以太网上网=====");
} else if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_VPN)) {
Log.d(TAG, "===当前使用VPN上网====");
} else if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI_AWARE)) {
Log.d(TAG, "===表示此网络使用Wi-Fi感知传输====");
} else if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_LOWPAN)) {
Log.d(TAG, "=====表示此网络使用LoWPAN传输=====");
} else if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_USB)) {
Log.d(TAG, "=====表示此网络使用USB传输=====");
}
}
}
override fun onAvailable(network: Network) {
super.onAvailable(network)
Log.e(TAG, "==网络连接成功，通知可以使用的时候调用====onAvailable===")
}
override fun onUnavailable() {
super.onUnavailable()
Log.e(TAG, "==当网络连接超时或网络请求达不到可用要求时调用====onUnavailable===")
}
override fun onBlockedStatusChanged(network: Network, blocked: Boolean) {
super.onBlockedStatusChanged(network, blocked)
Log.e(TAG, "==当访问指定的网络被阻止或解除阻塞时调用===onBlockedStatusChanged==");
}
override fun onLosing(network: Network, maxMsToLive: Int) {
super.onLosing(network, maxMsToLive)
Log.e(TAG, "==当网络正在断开连接时调用===onLosing===")
}
override fun onLost(network: Network) {
super.onLost(network)
Log.e(TAG, "==当网络已断开连接时调用===onLost===")
}
override fun onLinkPropertiesChanged(network: Network, linkProperties: LinkProperties) {
super.onLinkPropertiesChanged(network, linkProperties)
Log.e(TAG, "==当网络连接的属性被修改时调用===onLinkPropertiesChanged===")
}
}
注册与解除注册
lateinit var connectivityManager: ConnectivityManager
override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
super.onCreate(savedInstanceState, persistentState)
connectivityManager = this.getSystemService(CONNECTIVITY_SERVICE) as ConnectivityManager
connectivityManager.registerDefaultNetworkCallback(networkCallback)
}
override fun onDestroy() {
super.onDestroy()
connectivityManager.unregisterNetworkCallback(networkCallback)
}
另有工具类(也是复制粘贴大佬们的)
@SuppressLint("NewApi")
public class NetworkUtils {
private static final String TAG = "ConnectManager";
/**
* Indicates this network uses a Cellular transport.
*/
public static final int TRANSPORT_CELLULAR = 0;
/**
* Indicates this network uses a Wi-Fi transport.
*/
public static final int TRANSPORT_WIFI = 1;
/**
* Indicates this network uses a Bluetooth transport.
*/
public static final int TRANSPORT_BLUETOOTH = 2;
/**
* Indicates this network uses an Ethernet transport.
*/
public static final int TRANSPORT_ETHERNET = 3;
/**
* Indicates this network uses a VPN transport.
*/
public static final int TRANSPORT_VPN = 4;
/**
* Indicates this network uses a Wi-Fi Aware transport.
*/
public static final int TRANSPORT_WIFI_AWARE = 5;
/**
* Indicates this network uses a LoWPAN transport.
*/
public static final int TRANSPORT_LOWPAN = 6;
/**
* Indicates this network uses a Test-only virtual interface as a transport.
* @hide
*/
public static final int TRANSPORT_TEST = 7;
/**
* Indicates this network uses a USB transport.
*/
public static final int TRANSPORT_USB = 8;
/**
* >= Android 10（Q版本）推荐
*
* 当前使用MOBILE流量上网
*/
public static boolean isMobileNetwork(Context context) {
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
Network network = cm.getActiveNetwork();
if (null == network) {
return false;
}
NetworkCapabilities capabilities = cm.getNetworkCapabilities(network);
if (null == capabilities) {
return false;
}
return capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)
&& capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED);
}
/**
* >= Android 10（Q版本）推荐
*
* 当前使用WIFI上网
*/
public static boolean isWifiNetwork(Context context) {
ConnectivityManager cm = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
Network network = cm.getActiveNetwork();
if (null == network) {
return false;
}
NetworkCapabilities capabilities = cm.getNetworkCapabilities(network);
if (null == capabilities) {
return false;
}
return capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)
&& capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED);
}
/**
* >= Android 10（Q版本）推荐
*
* 当前使用以太网上网
*/
public static boolean isEthernetNetwork(Context context) {
ConnectivityManager cm = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
Network network = cm.getActiveNetwork();
if (null == network) {
return false;
}
NetworkCapabilities capabilities = cm.getNetworkCapabilities(network);
if (null == capabilities) {
return false;
}
return capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)
&& capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED);
}
/**
* >= Android 10（Q版本）推荐
*
* NetworkCapabilities.NET_CAPABILITY_INTERNET，表示此网络应该(maybe)能够访问internet
*
* 判断当前网络可以正常上网
* 表示此连接此网络并且能成功上网。 例如，对于具有NET_CAPABILITY_INTERNET的网络，这意味着已成功检测到INTERNET连接。
*/
public static boolean isConnectedAvailableNetwork(Context context) {
ConnectivityManager cm = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
Network network = cm.getActiveNetwork();
if (null == network) {
return false;
}
NetworkCapabilities capabilities = cm.getNetworkCapabilities(network);
if (null == capabilities) {
return false;
}
return capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)
&& capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED);
}
/**
* >= Android 10（Q版本）推荐
*
* 获取成功上网的网络类型
* value = {
* TRANSPORT_CELLULAR, 0 表示此网络使用蜂窝传输。
* TRANSPORT_WIFI, 1 表示此网络使用Wi-Fi传输。
* TRANSPORT_BLUETOOTH, 2 表示此网络使用蓝牙传输。
* TRANSPORT_ETHERNET, 3 表示此网络使用以太网传输。
* TRANSPORT_VPN, 4 表示此网络使用VPN传输。
* TRANSPORT_WIFI_AWARE, 5 表示此网络使用Wi-Fi感知传输。
* TRANSPORT_LOWPAN, 6 表示此网络使用LoWPAN传输。
* TRANSPORT_TEST, 7 指示此网络使用仅限测试的虚拟接口作为传输。
* TRANSPORT_USB, 8 表示此网络使用USB传输
* }
*/
public static int getConnectedNetworkType(Context context) {
ConnectivityManager cm = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
Network network = cm.getActiveNetwork();
if (null == network) {
return -1;
}
NetworkCapabilities capabilities = cm.getNetworkCapabilities(network);
if (null == capabilities) {
return -1;
}
if (capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_VALIDATED)) {
if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
return NetworkCapabilities.TRANSPORT_CELLULAR;
} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
return NetworkCapabilities.TRANSPORT_WIFI;
} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_BLUETOOTH)) {
return NetworkCapabilities.TRANSPORT_BLUETOOTH;
} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)) {
return NetworkCapabilities.TRANSPORT_ETHERNET;
} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_VPN)) {
return NetworkCapabilities.TRANSPORT_VPN;
} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI_AWARE)) {
return NetworkCapabilities.TRANSPORT_WIFI_AWARE;
} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_LOWPAN)) {
return NetworkCapabilities.TRANSPORT_LOWPAN;
} else if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_USB)) {
return NetworkCapabilities.TRANSPORT_USB;
}
}
return -1;
}
}