🚀 Build a Professional PDF Toolkit App | Episode 4: Password Protect PDF
Welcome to Episode 4 of the PDF Toolkit App series! In this tutorial, we'll build a Password Protection feature that allows users to secure PDF files by adding password-based encryption using Kotlin, Jetpack Compose, Python, and Chaquopy.
Protecting sensitive PDF documents is a common requirement in business, education, and productivity applications. In this episode, you'll learn how to encrypt PDF files and prevent unauthorized access directly from an Android application.
📚 What You'll Learn
✅ Select PDF files from device storage
✅ Integrate Python into Android using Chaquopy
✅ Encrypt PDF documents with a password
✅ Add user-defined password protection
✅ Generate secure PDF files
✅ Save protected PDFs to device storage
✅ Handle file operations efficiently
✅ Use Kotlin Coroutines for background processing
✅ Manage UI state with StateFlow
✅ Implement clean MVVM architecture
✅ Build modern Android UIs using Jetpack Compose
🛠 Technologies Used
• Kotlin
• Jetpack Compose
• Python
• Chaquopy
• PyPDF2 / pypdf
• Kotlin Coroutines
• StateFlow
• MVVM Architecture
• Android Studio
📂 Source Code
https://github.com/DaaniDev/PDFToolKi...
📺 PDF Toolkit Playlist
✔ Merge PDF
✔ Split PDF
✔ Images to PDF
✔ Password Protect PDF
✔ Unlock PDF
💡 By the end of this series, you'll have a complete PDF Toolkit application packed with real-world features and gain practical experience integrating Python into Android apps.
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