pod 'BSProgressButtonView', :git => 'https://github.com/BenjaminSarkisyan/BSProgressButton.git'
Setup in storyboard or init in code
CGRect frame = CGRectMake(10.f, 10.f, 300.f, 50.f);
BSProgressButtonView *progressButtonView = [BSProgressButtonView progressButtonWithFrame:frame completionBlock:^{
}];