Image Viewer (Android)

Description

An interactive mobile application that allows users to load images, and display these images in a dynamic layout that responds to device orientation. Users can rate images (1-5), and filter them based on this rating.

List of functions

Toolbar

• A star filtering system to filter the images based 0-5 rating
• Overflow Menu:
  • Clear filter: reset the filter to 0
  • Load images: load 10 local goose images
  • Delete image: remove all images from view

Image Cards

• Each image card contains:
  • The image
  • A star rating system to rate the image based 0-5 rating
  • A clear button to reset the rating to 0
• Click the image to view in a new window (click again to dismiss)

Orientation States

• Portrait:
  • A single vertical list of image cards
• Landscape:
  • A list of image cards with two columns
• All states are preserved when orientation changes:
  • Filter number
  • Images with their ratings
  • Filtered images
  • Scroll position

Image formats

• Under app/res/drawable, img_goose_1 is png, the rest of the images are jpg

Development Environment

• Built with Java on Android Studio 3.1.3.
• Tested on AVD PIXEL API 26.
• Built on macOS 10.13.6.