Application Features Overview

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Local Storage

SQLite

• Purpose: Stores offers and transactions in a structured database format.
• Benefit: Ensures reliable and persistent data storage for essential app functionality.

SharedPreferences

• Purpose: Saves user preferences like the isMoneyVisible setting in the MainActivity.
• Benefit: Provides lightweight storage for simple key-value pairs, ensuring user preferences persist across sessions.

Internal Storage

• Purpose: Stores sensitive account data securely in internal storage.
• Benefit: Ensures that critical user data remains private and inaccessible to external apps.

Preferences DataStore

• Context: Used in AddTransactionModal and for the IncludeLocation button.
• Purpose: Modern replacement for SharedPreferences, offering asynchronous and type-safe data storage.
• Benefit: Efficiently handles structured user preferences with improved performance.

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Multi-Threading

Coroutines (Dispatcher=)

• Context: Used in NotificationsService.
• Purpose: Executes background tasks efficiently on the appropriate dispatcher thread.
• Benefit: Ensures smooth app performance by preventing the main thread from being blocked.

Worker Threads

• LocationNotificationWorker: Handles location-based notifications in the background.
• LocationBasedOfferService: Fetches and processes location-based offers.
• Benefit: Runs intensive tasks in the background, ensuring the app remains responsive and optimized for user interactions.

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Caching

LruCache

• Context: Used in AddTransactionModal.
• Purpose: Temporarily stores frequently accessed data to reduce repeated computations or database queries.
• Benefit: Improves performance by keeping critical data in memory.

Static Strings

• Context: Used in the SearchBar.
• Purpose: Holds static data like recent searches or predefined queries.
• Benefit: Simplifies and speeds up access to reusable string data.

Picasso

• Purpose: Handles caching and loading of offer images.
• Benefit: Reduces image loading times and network usage by caching downloaded images locally.