How to obtain the current network environment of iOS (recommended)
Examples are as follows:
// Method to obtain network environment+ (NSString *)networktype{ NSArray *subviews = [[[[UIApplication sharedApplication] valueForKey:@"statusBar"] valueForKey:@"foregroundView"]subviews]; NSNumber *dataNetworkItemView = nil; for (id subview in subviews) { if([subview isKindOfClass:[NSClassFromString(@"UIStatusBarDataNetworkItemView") class]]) { dataNetworkItemView = subview; break; } } switch ([[dataNetworkItemView valueForKey:@"dataNetworkType"]integerValue]) { case 0: return @"No service"; case 1: return @"2G"; case 2: return @"3G"; case 3: return @"4G"; case 4: return @"LTE"; case 5: return @"Wifi"; default: break; } return @""; }
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