fix(connectivity): getActiveNetworkInfo and NetworkInfo modern compliance #8580 (#8652)

nativescript-core/connectivity/connectivity.android.ts

@@ -1,17 +1,18 @@
-import { getNativeApplication, android as androidApp } from "../application";
-
+import { android as androidApp, getNativeApplication } from "../application";
 export enum connectionType {
     none = 0,
     wifi = 1,
     mobile = 2,
     ethernet = 3,
-    bluetooth = 4
+    bluetooth = 4,
+    vpn = 5
 }
 
 const wifi = "wifi";
 const mobile = "mobile";
 const ethernet = "ethernet";
 const bluetooth = "bluetooth";
+const vpn = "vpn";
 
 // Get Connection Type
 function getConnectivityManager(): android.net.ConnectivityManager {
@@ -27,7 +28,43 @@ function getActiveNetworkInfo(): android.net.NetworkInfo {
     return connectivityManager.getActiveNetworkInfo();
 }
 
+function getNetworkCapabilities() {
+    const connectivityManager = getConnectivityManager() as any;
+    const network = connectivityManager.getActiveNetwork();
+    const capabilities = connectivityManager.getNetworkCapabilities(network);
+    if (capabilities == null) {
+        return connectionType.none;
+    }
+
+    const NetworkCapabilities = (android as any).net.NetworkCapabilities;
+
+    if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
+        return connectionType.wifi;
+    }
+
+    if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) {
+        return connectionType.mobile;
+    }
+
+    if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)) {
+        return connectionType.ethernet;
+    }
+
+    if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_BLUETOOTH)) {
+        return connectionType.bluetooth;
+    }
+
+    if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_VPN)) {
+        return connectionType.vpn;
+    }
+
+    return connectionType.none;
+}
+
 export function getConnectionType(): number {
+    if (android.os.Build.VERSION.SDK_INT >= 28) {
+        return getNetworkCapabilities();
+    } else {
         let activeNetworkInfo = getActiveNetworkInfo();
         if (!activeNetworkInfo || !activeNetworkInfo.isConnected()) {
             return connectionType.none;
@@ -50,10 +87,15 @@ export function getConnectionType(): number {
             return connectionType.bluetooth;
         }
 
+        if (type.indexOf(vpn) !== -1) {
+            return connectionType.vpn;
+        }
+    }
+
     return connectionType.none;
 }
 
-export function startMonitoring(connectionTypeChangedCallback: (newConnectionType: number) => void): void {
+function startMonitoringLegacy(connectionTypeChangedCallback) {
     let onReceiveCallback = function onReceiveCallback(context: android.content.Context, intent: android.content.Intent) {
         let newConnectionType = getConnectionType();
         connectionTypeChangedCallback(newConnectionType);
@@ -62,6 +104,53 @@ export function startMonitoring(connectionTypeChangedCallback: (newConnectionTyp
     androidApp.registerBroadcastReceiver(android.net.ConnectivityManager.CONNECTIVITY_ACTION, zoneCallback);
 }
 
-export function stopMonitoring(): void {
-    androidApp.unregisterBroadcastReceiver(android.net.ConnectivityManager.CONNECTIVITY_ACTION);
+let callback;
+let networkCallback;
+let notifyCallback;
+export function startMonitoring(connectionTypeChangedCallback: (newConnectionType: number) => void): void {
+    if (android.os.Build.VERSION.SDK_INT >= 28) {
+        const manager = getConnectivityManager() as any;
+        if (manager) {
+             notifyCallback = () => {
+                let newConnectionType = getConnectionType();
+                let zoneCallback = <any>zonedCallback(connectionTypeChangedCallback);
+                zoneCallback(newConnectionType);
+            };
+            const ConnectivityManager = (android as any).net.ConnectivityManager;
+            if (!networkCallback) {
+                networkCallback = ConnectivityManager.NetworkCallback.extend({
+                    onAvailable(network) {
+                        notifyCallback();
+                    },
+                    onCapabilitiesChanged(network, networkCapabilities) {
+                        notifyCallback();
+                    },
+                    onLost(network) {
+                        notifyCallback();
+                    },
+                    onUnavailable() {
+                        notifyCallback();
+                    }
+                });
+            }
+            callback = new networkCallback();
+            manager.registerDefaultNetworkCallback(callback);
+        }
+
+    } else {
+        startMonitoringLegacy(connectionTypeChangedCallback);
+    }
+}
+
+export function stopMonitoring(): void {
+    if (android.os.Build.VERSION.SDK_INT >= 28) {
+        const manager = getConnectivityManager() as any;
+        if (manager && callback) {
+            manager.unregisterNetworkCallback(callback);
+            notifyCallback = null;
+            callback = null;
+        }
+    } else {
+        androidApp.unregisterBroadcastReceiver(android.net.ConnectivityManager.CONNECTIVITY_ACTION);
+    }
 }

nativescript-core/connectivity/connectivity.d.ts

@@ -35,9 +35,14 @@ export enum connectionType {
     ethernet = 3,
 
     /**
-     * Denotes an bluetooth connection
+     * Denotes a bluetooth connection
      */
-    bluetooth = 4
+    bluetooth = 4,
+
+    /**
+     * Denotes a vpn connection
+     */
+    vpn = 5
 }
 
 /**

nativescript-core/connectivity/connectivity.ios.ts

@@ -2,6 +2,9 @@ export enum connectionType {
     none = 0,
     wifi = 1,
     mobile = 2,
+    ethernet = 3,
+    bluetooth = 4,
+    vpn = 5
 }
 
 // Get Connection Type
@@ -52,9 +55,71 @@ function _getConnectionTypeFromFlags(flags: number): number {
         return connectionType.mobile;
     }
 
+    const cfDict = CFNetworkCopySystemProxySettings();
+    const nsDict = cfDict.takeUnretainedValue();
+    const keys = nsDict.objectForKey("__SCOPED__");
+
+    if (isVPNConnected(keys)) {
+        return connectionType.vpn;
+    }
+
+    /*
+    TODO try improving with CBCentralManager since toggling bluetooth
+      with multiple connections fails to detect switch, require key added
+      to Info.plist.
+     */
+    if (isBluetoothConnected(keys)) {
+        return connectionType.bluetooth;
+    }
+
     return connectionType.wifi;
 }
 
+function isBluetoothConnected (keys) {
+    if (!keys) {
+        return false;
+    }
+    const allKeys = keys.allKeys;
+    const size = allKeys.count;
+    let isBlueTooth = false;
+    for (let i = 0; i < size; i++) {
+        const key = allKeys.objectAtIndex(i);
+        if (
+            key === "en4"
+        ) {
+            isBlueTooth = true;
+            break;
+        }
+    }
+
+    return isBlueTooth;
+}
+
+function isVPNConnected(keys) {
+    if (!keys) {
+        return false;
+    }
+    const allKeys = keys.allKeys;
+    const size = allKeys.count;
+    let isVPN = false;
+    for (let i = 0; i < size; i++) {
+        const key = allKeys.objectAtIndex(i);
+        if (
+            key === "tap" ||
+            key === "tun" ||
+            key === "ppp" ||
+            key === "ipsec" ||
+            key === "ipsec0" ||
+            key === "utun1"
+        ) {
+            isVPN = true;
+            break;
+        }
+    }
+
+    return isVPN;
+}
+
 export function getConnectionType(): number {
     return _getConnectionType();
 }
@@ -65,6 +130,7 @@ function _reachabilityCallback(target: any, flags: number, info: any) {
         const newConnectionType = _getConnectionTypeFromFlags(flags);
         _connectionTypeChangedCallback(newConnectionType);
     }
+
 }
 
 const _reachabilityCallbackFunctionRef = new interop.FunctionReference(_reachabilityCallback);