Add support for Wi-Fi adapter enabled state check on Android

android/src/main/java/com/ly/wifi/WifiDelegate.java

@@ -128,6 +128,16 @@ public void getIP(MethodCall methodCall, MethodChannel.Result result) {
         launchIP();
     }
 
+    public void isWifiEnabled(MethodCall methodCall, MethodChannel.Result result) {
+        WifiManager wifiManager = (WifiManager) activity.getApplicationContext()
+                .getSystemService(Context.WIFI_SERVICE);
+        if (wifiManager != null) {
+            result.success(wifiManager.isWifiEnabled());
+        } else {
+            result.error("unavailable", "wifi service not available.", null);
+        }
+    }
+
     private void launchIP() {
         NetworkInfo info = ((ConnectivityManager) activity.getSystemService(Context.CONNECTIVITY_SERVICE)).getActiveNetworkInfo();
         if (info != null && info.isConnected()) {
@@ -193,16 +203,11 @@ private void launchWifiList() {
                     level = 0;
                 }
                 HashMap<String, Object> maps = new HashMap<>();
-                if (key.isEmpty()) {
+                if (key.isEmpty() || scanResult.SSID.contains(key)) {
                     maps.put("ssid", scanResult.SSID);
                     maps.put("level", level);
+                    maps.put("bssid", scanResult.BSSID);
                     list.add(maps);
-                } else {
-                    if (scanResult.SSID.contains(key)) {
-                        maps.put("ssid", scanResult.SSID);
-                        maps.put("level", level);
-                        list.add(maps);
-                    }
                 }
             }
         }
@@ -260,11 +265,15 @@ private WifiConfiguration createWifiConfig(String ssid, String Password) {
         if (tempConfig != null) {
             wifiManager.removeNetwork(tempConfig.networkId);
         }
-        config.preSharedKey = "\"" + Password + "\"";
+        if (Password != null && !Password.isEmpty()) {
+            config.preSharedKey = "\"" + Password + "\"";
+            config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
+        } else {
+            config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
+        }
         config.hiddenSSID = true;
         config.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
         config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
-        config.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
         config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
         config.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
         config.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);

android/src/main/java/com/ly/wifi/WifiPlugin.java

@@ -54,6 +54,9 @@ public void onMethodCall(MethodCall call, Result result) {
             case "ip":
                 delegate.getIP(call, result);
                 break;
+            case "wifiEnabled":
+                delegate.isWifiEnabled(call, result);
+                break;
             case "list":
                 delegate.getWifiList(call, result);
                 break;

ios/Classes/WifiPlugin.m

@@ -40,7 +40,12 @@ - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
             NSDictionary* argsMap = call.arguments;
             NSString *ssid = argsMap[@"ssid"];
             NSString *password = argsMap[@"password"];
-            NEHotspotConfiguration * hotspotConfig = [[NEHotspotConfiguration alloc] initWithSSID:ssid passphrase:password isWEP:NO];
+            NEHotspotConfiguration *hotspotConfig;
+            if ([password length] == 0) {
+                hotspotConfig = [[NEHotspotConfiguration alloc] initWithSSID:ssid];
+            } else {
+                hotspotConfig = [[NEHotspotConfiguration alloc] initWithSSID:ssid passphrase:password isWEP:NO];
+            }
             [[NEHotspotConfigurationManager sharedManager] applyConfiguration:hotspotConfig completionHandler:^(NSError * _Nullable error) {
                 if(error == nil){
                     result(@1);

lib/wifi.dart

@@ -19,23 +19,29 @@ class Wifi {
     return await _channel.invokeMethod('ip');
   }
 
+  static Future<bool> get wifiEnabled async {
+    return await _channel.invokeMethod('wifiEnabled');
+  }
+
   static Future<List<WifiResult>> list(String key) async {
     final Map<String, dynamic> params = {
       'key': key,
     };
     var results = await _channel.invokeMethod('list', params);
     List<WifiResult> resultList = [];
     for (int i = 0; i < results.length; i++) {
-      resultList.add(WifiResult(results[i]['ssid'], results[i]['level']));
+      resultList.add(WifiResult(results[i]['ssid'], results[i]['level'], results[i]['bssid']));
     }
     return resultList;
   }
 
-  static Future<WifiState> connection(String ssid, String password) async {
+  static Future<WifiState> connection(String ssid, [String password]) async {
     final Map<String, dynamic> params = {
-      'ssid': ssid,
-      'password': password,
+      'ssid': ssid
     };
+    if (password != null && password.isNotEmpty) {
+      params.addEntries([MapEntry('password', password)]);
+    }
     int state = await _channel.invokeMethod('connection', params);
     switch (state) {
       case 0:
@@ -53,6 +59,7 @@ class Wifi {
 class WifiResult {
   String ssid;
   int level;
+  String bssid;
 
-  WifiResult(this.ssid, this.level);
+  WifiResult(this.ssid, this.level, this.bssid);
 }