Smart Data Usage App

Android application for monitoring mobile internet data consumption

Release Version: V1.0.0Target SDK: Android version 8.0 and above

Android StudioJavaAndroid SDKXML UI

Executive Summary & Problem Statement

Smart Data Usage is a mobile application developed in Android Studio using Java. It tracks cellular and Wi-Fi data usage on Android devices and alerts users before data limits are exceeded.

System Architecture & Engineering Approach

Designed for optimal type safety, modular maintainability, and client responsiveness. Utilizes clean code patterns, reactive state synchronization, and strict input validation.

Architectural Pillars:

Decoupled client state and modular components.
Pre-confirmation validation & error prevention routines.
Optimized rendering and mobile responsive interface design.

Key System Features Breakdown

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Real-time cellular and Wi-Fi data usage monitoring
Daily and monthly data limit warning notifications
App-by-app data consumption breakdown

Challenges Encountered

• Fetching accurate network statistics across different Android OS versions.

Engineered Solutions

• Utilized the Android NetworkStatsManager API with fallback routines.

Interface Gallery

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Screenshot_20260808_143704_Smart Data Usage

System Interface Screen

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Screenshot_20260808_143721_Smart Data Usage

System Interface Screen

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Screenshot_20260808_143730_Smart Data Usage

System Interface Screen

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Screenshot_20260808_143746_Smart Data Usage

System Interface Screen

Technologies & Tools Used

Android StudioJavaAndroid SDKXML UI

Future Roadmap

Planned Enhancements

• Automated end-to-end telemetry testing.
• Real-time WebSocket synchronization improvements.