flutter_package_size 0.2.0+2

Analyze Flutter APK/AAB size and generate package-wise reports.

flutter_package_size

📦 Analyze the size contribution of each Dart package in your Flutter APK.

flutter_package_size is a lightweight CLI that automates Flutter's --analyze-size workflow and generates clean terminal output, JSON, CSV, and HTML reports.

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✨ Features

• 📦 Analyze package-level Dart AOT size
• 📊 Percentage contribution of every package
• 📈 Summary with total size and largest package
• 📄 Export JSON report
• 📑 Export CSV report
• 🌐 Beautiful HTML report
• 🎯 Show Top N largest packages
• 🤖 GitHub Actions ready
• ⚡ Simple CLI
• 🚀 CI/CD friendly

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📸 Screenshots

Terminal Output

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HTML Report

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📦 Installation

Activate globally

dart pub global activate flutter_package_size

Or add as a dev dependency

dev_dependencies:
  flutter_package_size: latest

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⚙️ Verify Installation

flutter_package_size --version

If the command is not found, add Dart's global binaries to your PATH:

export PATH="$PATH:$HOME/.pub-cache/bin"

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⚙️ Requirements

• Flutter SDK
• Dart SDK
• Android SDK
• A Flutter project

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🚀 Usage

Run the commands from the root of your Flutter project.

📦 Analyze package sizes

flutter_package_size analyze

🎯 Show Top N packages

flutter_package_size analyze --top 10

📄 Generate JSON report

flutter_package_size analyze --json

📑 Generate CSV report

flutter_package_size analyze --csv

🌐 Generate HTML report

flutter_package_size analyze --html

🚀 Generate all reports

flutter_package_size analyze --json --csv --html

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📊 Sample Output

Package                                      Size           Percent
------------------------------------------------------------------------
package:flutter                              1.35 MB        93.53%
package:material_color_utilities             68.17 KB       4.62%
package:vector_math                          21.82 KB       1.48%
package:flutter_application                  4.01 KB        0.27%
package:collection                           1.51 KB        0.10%

Summary
------------------------------------------------------------------------
Total Packages : 5
Total Size     : 1.44 MB
Largest Package: package:flutter (1.35 MB)

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📁 Generated Reports

📄 JSON Report

flutter_package_size_report.json

Machine-readable output suitable for:

• CI/CD pipelines
• Automation
• Custom tooling
• Integrations

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📑 CSV Report

flutter_package_size_report.csv

Can be opened in:

• Microsoft Excel
• Google Sheets
• LibreOffice Calc
• BI & analytics tools

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🌐 HTML Report

flutter_package_size_report.html

A beautiful browser report containing:

• 📊 Summary cards
• 📦 Package breakdown
• 📈 Percentage bars
• 📱 Responsive layout

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⚙️ Command Options

Option	Description
--json	Generate JSON report
--csv	Generate CSV report
--html	Generate HTML report
--top	Show Top N packages

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🤖 GitHub Actions

Automatically generate reports during CI.

name: Flutter Package Size

on:
  pull_request:

jobs:
  analyze:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - uses: subosito/flutter-action@v2
        with:
          channel: stable

      - run: flutter pub get

      - run: dart run flutter_package_size:flutter_package_size analyze --json --csv --html

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🧠 Why flutter_package_size?

Flutter already provides:

flutter build apk --analyze-size

However, the generated output is primarily intended for Flutter DevTools and isn't easy to inspect directly.

flutter_package_size simplifies the workflow by:

• ✅ Automatically running Flutter size analysis
• ✅ Extracting Dart AOT package breakdown
• ✅ Calculating package size percentages
• ✅ Producing clean terminal output
• ✅ Exporting JSON, CSV, and HTML reports
• ✅ Integrating seamlessly with CI/CD pipelines

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🚀 First Release (v0.1.0)

The initial release includes:

• Core APK size analysis
• Clean CLI experience
• JSON report generation
• CSV report generation
• HTML report generation
• Top package filtering
• GitHub Actions support

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🔮 Roadmap

• ✅ JSON export
• ✅ CSV export
• ✅ HTML report
• 🔄 Markdown report
• 🔄 Package comparison
• 🔄 Searchable HTML report
• 🔄 Dark mode
• 🔄 GitHub PR comments
• 🔄 Size budget enforcement (--fail-above)
• 🔄 Performance improvements

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📦 Install from pub.dev

dart pub add flutter_package_size

or

dart pub global activate flutter_package_size

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🤝 Contributing

Contributions are welcome!

You can help by:

• 🐞 Reporting bugs
• 💡 Suggesting new features
• 📝 Improving documentation
• 🔧 Submitting pull requests

Feel free to open an issue or create a pull request.

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📄 License

MIT License