title: UIButton inside UIScrollView doesn't fire on tap
body: <p>UIButton inside UIScrollView doesn't fire on tap. Please help resolve it.</p>
  
  <pre><code>// Add a button
  UIButton *btn1 = [[UIButton buttonWithType:UIButtonTypeCustom] retain];
  btn1.frame = CGRectMake(0, 0, 26, 18); 
  btn1.bounds = CGRectMake(0, 0, 30.0, 30.0); 
  [btn1 addTarget:self action:@selector(buttonClick1:) 
                       forControlEvents:UIControlEventTouchUpInside];
  [scrollView addSubview:btn1];
  
  - (void)buttonClick1:(id)sender {
      int dd = 4; 
  }
  </code></pre>