title: Using mapbox in scrollview, scrollview sliding to the position where mapbox is put in the page
body: <p>Now, when I use mapbox in scrollview, scrollview would slide to the position where mapbox is located in the page, but I want to see the top of the page at the first sight, not the mapbox. BTW, I am using Mapbox 4.0.0 Android SDK.</p>
  
  <p>what I want see is:</p>
  
  <p><img src="https://i.stack.imgur.com/CYJjk.jpg" alt=""></p>
  
  <p>However the weird thing is as follows: </p>
  
  <p><img src="https://i.stack.imgur.com/rZp5K.png" alt=""></p>