BMI Calculator

A high-performance, lightweight Android health utility application engineered using the Flutter framework. Designed with a modern, user-centric interface, this application provides users with immediate and precise Body Mass Index (BMI) calculations alongside diagnostic health categorization feedback based on user-input physical dimensions.

The system features a minimal package footprint, relying entirely on optimized native compilation targets to achieve exceptional performance and fluid interactions.

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Application Preview

Calculator Interface

Analysis & Metrics Feedback

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Key Features

• Precise Mathematical Inferences: Processes biological physical properties (height and weight metrics) instantly to compute fractional body mass index metrics.
• Dynamic Diagnostic Categorization: Evaluates raw health numbers against international weight indices to return accurate descriptive tiers (e.g., Underweight, Normal, Overweight).
• Polished Custom Typography: Fully inherits global application theme rules mapped to the geometric Poppins font family for high contrast screen legibility.
• Scalable Vector Optimization: Incorporates integrated structural asset mapping allowing clean, lossless rendering of vector layouts across arbitrary Android display densities.
• Responsive State Adaptability: Relies on reactive layout constraints to preserve element alignment perfectly across modern, varying screen form-factors.

Tech Stack & Architecture

The application focuses on an optimized, zero-overhead client architecture prioritizing rapid rendering loops and fluid interface reactivity.

Core Architecture

• Language: Dart
• Framework: Flutter (SDK: ^3.7.0)
• Target Platform: Android (Min SDK: 21)
• State Architecture: Clean modular UI layout workflows decoupling computational physics calculations from view context drawing functions.

Resource Integrations

• Vector Rendering Engine (flutter_svg): Parses and displays scalable graphic icons seamlessly without compounding baseline application binary size.
• Platform Style Components (cupertino_icons): Provides a granular selection of asset iconography assets supporting standard cross-platform UI workflows.
• Resource Configurations: Mounts localized asset pipeline directories linking system image folders and font mapping trees safely during early native execution phases.

Installation & Environment Setup

Prerequisites

• Flutter SDK configured locally.
• Android Studio / Android Build Tools.

Step-by-Step Setup

1. Clone the repository:

   git clone [https://github.com/topmasum/BMI-Calculator-app.git](https://github.com/topmasum/BMI-Calculator-app.git)
   cd BMI-Calculator-app