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Chetan Gaikwad

Android Geek | 1x Fo...ย โ€ขย 21d

๐Ÿš€ Built a Production-Ready Document Scanner for Android using Google ML Kit โ€” in Just 2 Days! Just shipped a fully functional document scanner in our Android health records app โ€” and Iโ€™m amazed at how powerful Google ML Kitโ€™s Document Scanner API is. โœ… Multi-page PDF scanning โœ… Auto edge detection & perspective correction โœ… Works seamlessly on Android 9โ€“14 โœ… On-device processing (perfect for privacy-critical apps) No CameraX or OpenCV complexity โ€” ML Kit handles it all. โธป ๐Ÿงฉ The Challenge Our users needed to scan prescriptions and lab reports directly from their phones and attach them to health records. Requirements? On-device scanning, multi-page PDFs, persistent storage, and privacy compliance. โธป ๐Ÿ’ก The Solution After evaluating multiple approaches, I went with Google ML Kitโ€™s Document Scanner API. It cut down weeks of custom camera engineering and still delivered professional-grade results. โธป ๐Ÿ” Key Learnings for Android Devs 1๏ธโƒฃ ML Kitโ€™s Document Scanner API automates the tough parts โ€” camera handling, edge detection, and PDF generation. 2๏ธโƒฃ Pay extra attention to MediaStore when handling storage on Android 10+. 3๏ธโƒฃ Good UX (like rename dialogs + file previews) makes a huge difference. 4๏ธโƒฃ Everything happens on-device, meeting privacy and security standards for medical data. โธป โš™๏ธ Tech Stack โ€ข Kotlin + Jetpack Compose โ€ข ML Kit Document Scanner API โ€ข MediaStore (for Android 10+ storage) โ€ข PdfRenderer for page preview & validation โธป โฑ From concept to production in just 2 days. Iโ€™ve written a detailed guide covering setup, code snippets, and common pitfalls ๐Ÿ‘‡ ๐Ÿ“– Read the full article: ๐Ÿ‘‰ https://gaikwadchetan93.medium.com/building-a-production-ready-document-scanner-in-android-with-google-ml-kit-2e76a82b99c5 โธป ๐Ÿ‘ฉโ€๐Ÿ’ป Have you implemented a document scanner in your Android app? Would love to hear your approach or any gotchas youโ€™ve faced! #AndroidDevelopment #Kotlin #MLKit #MobileDevelopment #DocumentScanner #MachineLearning #AppDevelopment #GoogleMLKit #AndroidDev #JetpackCompose

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