currentRadioAccessTechnology value for different version of iOS.

Author: czu

src/ios/CDVConnection.m

@@ -60,32 +60,33 @@ - (NSString*)w3cConnectionTypeFor:(CDVReachability*)reachability
             } else {
                 if ([[[UIDevice currentDevice] systemVersion] compare:@"7.0" options:NSNumericSearch] != NSOrderedAscending) {
                     CTTelephonyNetworkInfo *telephonyInfo = [CTTelephonyNetworkInfo new];
-                    if ([telephonyInfo.currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyGPRS]) {
+                    NSString *currentRadioAccessTechnology = radioAccessNameIn(telephonyInfo)
+                    if ([currentRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyGPRS]) {
                         return @"2g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyEdge]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyEdge]) {
                         return @"2g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyWCDMA]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyWCDMA]) {
                         return @"3g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyHSDPA]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyHSDPA]) {
                         return @"3g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyHSUPA]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyHSUPA]) {
                         return @"3g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMA1x]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMA1x]) {
                         return @"3g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORev0]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORev0]) {
                         return @"3g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORevA]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORevA]) {
                         return @"3g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORevB]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyCDMAEVDORevB]) {
                         return @"3g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyeHRPD]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyeHRPD]) {
                         return @"3g";
-                    } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyLTE]) {
+                    } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyLTE]) {
                         return @"4g";
                     } else if (@available(iOS 14.1, *)) {
-                        if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyNRNSA]) {
+                        if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyNRNSA]) {
                             return @"5g";
-                        } else if ([telephonyInfo.currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyNR]) {
+                        } else if ([currentRadioAccessTechnology  isEqualToString:CTRadioAccessTechnologyNR]) {
                             return @"5g";
                         }
                     }
@@ -166,4 +167,13 @@ - (void)pluginInitialize
     }
 }
 
+static NSString *radioAccessNameIn(CTTelephonyNetworkInfo *networkInfo) {
+  if (@available(iOS 13.0, *)) {
+    if (networkInfo.currentRadioAccessTechnology == nil && networkInfo.dataServiceIdentifier) {
+        return [networkInfo.serviceCurrentRadioAccessTechnology objectForKey:networkInfo.dataServiceIdentifier];
+    }
+  }
+  return networkInfo.currentRadioAccessTechnology;
+}
+
 @end