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Photo-Gallery Android App

Overview

The Photo-Gallery app fetches photos from the Flickr API and displays them in a Grid RecyclerView using DiffUtil. It offers a search feature in the action bar, allowing users to find specific photos. Clicking on a photo takes the user to a detailed view of the photo, which opens in a WebView. The app supports pagination for fetching photos and provides contextual error and loader states. Additionally, through background polling mechanism, the user is shown a notification whenever a new photo matching the user's last search query becomes available.

Features

  • Search: Users can search for specific photos using the action bar.
  • Photo Details: Clicking on a photo opens its detailed view in a WebView.
  • Pagination: Supports pagination for fetching photos.
  • Notifications: Notifies users when a new photo-matching their last search is available.
  • Error & Loader States: Provides contextual error and loader states during photo fetching.

Libraries Used

  • Retrofit with Moshi converter: For making network requests.
  • Paging 3: For pagination support.
  • WorkManager: To check for the availability of new photos in the background state.
  • DataStore: To save the user's last search query.
  • Coil: For image loading.
  • Navigation Component: For fragment navigation and the SafeArgs plugin.