页面跳转出现问题

Question

Presenting view controllers on detached view controllers is discouraged <HomeViewController: 0x7c02d270>.-(void)titleBtnClick:(UIButton *)titlebtn
{
   SubscriptionViewController *subscr = [[SubscriptionViewController alloc] init];
   [self presentViewController:subscr animated:YES completion:nil];
}

Answer 1

你当前viewController中是不是添加了HomeViewController
如红色所示，
-(void)titleBtnClick:(UIButton *)titlebtn
{
   SubscriptionViewController *subscr = [[SubscriptionViewController alloc] init];
 [HomeViewController viewWillDisappear:YES];
   [self presentViewController:subscr animated:YES completion:nil];
}