🎯 Task Manager

An elegant, offline-first task management Android application demonstrating modern architecture patterns (MVVM + clean architecture), declarative UI, reactive data flow, and dependency injection.

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📸 App Screenshots

Below is a gallery of the Task Manager app in action, showing the splash screen, task list, styling, and forms:

Launcher Screen

Home Screen

Add Task Screen

Edit Task Screen

Android Studio Emulator

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⚡ Tech Stack & Architecture

This project is built using industry-standard libraries and architectures:

• Core & Async: Kotlin, Coroutines, and Flow / StateFlow for reactive streams.
• UI: Jetpack Compose utilizing Material 3 components and edge-to-edge layouts.
• Database: Room Database for persistent local cache.
• Dependency Injection: Hilt (Dagger) for class decoupling and testability.
• Navigation: Type-safe navigation utilizing the Compose Navigation Component.

Architecture Flow

The codebase follows the official Android Architecture Guidelines (MVVM with Clean Architecture flow):

graph TD
    subgraph UI [UI Layer]
        A[MainActivity] --> B[TaskNavGraph]
        B --> C[Screens: Splash / Home / Add-Edit / About]
        C <--> D[ViewModels: HomeViewModel / AddEditViewModel]
    end
    subgraph Domain [Domain Layer]
        D <--> E[Task Domain Model]
    end
    subgraph Data [Data Layer]
        D --> F[TaskRepository]
        F --> G[TaskDao]
        G --> H[(Room SQLite Database)]
        G --> I[TaskEntity]
        I <-->|Mappers| E
    end
    
    style H fill:#4CAF50,stroke:#388E3C,stroke-width:2px,color:#fff
    style E fill:#2196F3,stroke:#1976D2,stroke-width:2px,color:#fff
    style D fill:#FF9800,stroke:#F57C00,stroke-width:2px,color:#fff

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🚀 Getting Started

Prerequisites

• Android Studio (Koala or newer)
• JDK 17
• Android SDK API level 34+

Clone & Build

git clone https://github.com/TSR0705/Android-TaskManager-App.git
cd Android-TaskManager-App

1. Open the folder in Android Studio and let Gradle sync.
2. Select an emulator or connect a device and click Run (Shift + F10).

Build APK

Generate a debug APK from the root directory:

# Windows
./gradlew assembleDebug

# macOS / Linux
./gradlew assembleDebug

The compiled output is located at: app/build/outputs/apk/debug/app-debug.apk

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📄 License

Licensed under the MIT License.