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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.