title: how to develop a guard slider control for android
body: <p>I'm not sure what's the control name, but I need something like this (see image):</p>
  
  <p><img src="https://i.stack.imgur.com/4dWQv.png" alt="enter image description here"></p>
  
  <p>and I have no idea about how to develop it. On emulator (I got this throw hierarchical view perspective) is called SlidingTab. </p>
  
  <p>Any idea how to start building it? There is something already built I can use?</p>