title: How to create the gallery folder in android programmatically?
body: <p><img src="https://i.stack.imgur.com/HGjNJ.png" alt="enter image description here"></p>
  
  <p><img src="https://i.stack.imgur.com/HR2sB.jpg" alt="enter image description here"></p>
  
  <p>Note: I need to create Gallery App like this. ie. first show sdcard folders thumbnail images first, then, when I click thumbnail, then, need to show another new page to show subimages.
  like whatzup image upload, and Gallery App from play store..</p>
  
  <p>Please help me anybody to come out from this.
  when i search from google, only examples available like normal singles images showing gallery-view examples only.</p>