NSString *string = @"https://ex.xigge.io/";
NSURL *url = [NSURL URLWithString:string];
[[UIApplication sharedApplication] openURL:url options:@{} completionHandler:^(BOOL success) {
}];
NSString *string = @"https://ex.xigge.io/";
NSURL *url = [NSURL URLWithString:string];
[[UIApplication sharedApplication] openURL:url options:@{} completionHandler:^(BOOL success) {
}];