Demo App:You can download demo application from Play Store via below link.
All Device Combability.
Download Photos/Videos of instagram
AutoDownload which lets you download items at one click
Simple UI and easy to use
Open/Share downloaded items
Swipe to clear items, also can do undo
One Signal Integrated
Start App Integrated
What You Get
Full Android Source Code.
Android Package hierarchy (that tells which class is used for what).
Full Document with Screen Shot.
Demo : https://codecanyon.net/item/insta-downloader/17685380?s_rank=948