I am new to Objective-C. I have problem with following code. it shows 'currentRadioAccessTechnology' is deprecated: first deprecated in iOS 12.0 and Replace 'currentRadioAccessTechnology' with 'serviceCurrentRadioAccessTechnology' If i replace my code. It gives following error No visible @interface for 'NSDictionary<NSString *,NSString *>' declares the selector 'isEqualToString:'
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Quellcode
- - (NSString *) w3cConnectionTypeFor: (CDVReachability *) reachability
- {
- NetworkStatus networkStatus = [reachability currentReachabilityStatus];
- switch (networkStatus) {
- case NotReachable:
- return @ "none";
- case ReachableViaWWAN:
- {
- BOOL isConnectionRequired = [reachability connectionRequired];
- if (isConnectionRequired) {
- return @ "none";
- } else {
- if ([[[UIDevice currentDevice] systemVersion] compare: @ "7.0" options: NSNumericSearch]! = NSOrderedAscending) {
- CTTelephonyNetworkInfo * telephonyInfo = [CTTelephonyNetworkInfo new];
- if ([telephonyInfo.serviceCurrentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyGPRS]) {
- return @ "2g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyEdge]) {
- return @ "2g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyWCDMA]) {
- return @ "3g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyHSDPA]) {
- return @ "3g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyHSUPA]) {
- return @ "3g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyCDMA1x]) {
- return @ "3g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyCDMAEVDORev0]) {
- return @ "3g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyCDMAEVDORevA]) {
- return @ "3g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyCDMAEVDORevB]) {
- return @ "3g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyeHRPD]) {
- return @ "3g";
- } else if ([telephonyInfo.currentRadioAccessTechnology isEqualToString: CTRadioAccessTechnologyLTE]) {
- return @ "4g";
- }
- }
- return @ "cellular";
- }
- }
- case ReachableViaWiFi:
- {
- BOOL isConnectionRequired = [reachability connectionRequired];
- if (isConnectionRequired) {
- return @ "none";
- } else {
- return @ "wifi";
- }
- }
- default:
- return @ "unknown";
- }
- }