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- (BOOL)joinGroup:(NSString *)groupUin key:(NSString *)key{
NSString *urlStr = [NSString stringWithFormat:@"mqqapi://card/show_pslcard?src_type=internal&version=1&uin=%@&key=%@&card_type=group&source=external", @"478468743",@"6b3ff3635c985480550794b165b170c9d81551802d050785442c2bd22354d081"];
NSURL *url = [NSURL URLWithString:urlStr];
if([[UIApplication sharedApplication] canOpenURL:url]){
[[UIApplication sharedApplication] openURL:url];
return YES;
}
else return NO;
}