- (IBAction)btnClick:(UIButton *)sender {
int networkType = [self getNetworkStates];
switch (networkType) {
case 1:
{
[sender setTitle:@"2G" forState:0];
}
break;
case 2:
{
[sender setTitle:@"3G" forState:0];
}
break;
case 3:
{
[sender setTitle:@"4G" forState:0];
}
break;
case 5:
{
[sender setTitle:@"WiFi" forState:0];
}
break;
default:
{
[sender setTitle:@"无网络" forState:0];
}
break;
}
}
// 判断网络类型
- (int)getNetworkStates
{
NSArray *subviews = [[[[UIApplication sharedApplication] valueForKeyPath:@"statusBar"] valueForKeyPath:@"foregroundView"] subviews];
for (id child in subviews) {
if ([child isKindOfClass:NSClassFromString(@"UIStatusBarDataNetworkItemView")]) {
return [[child valueForKeyPath:@"dataNetworkType"] intValue];
}
}
return 0;
}
