Скачать или смотреть Build a QR Payment System in Flutter (Part 2) | Camera Scanner & Firestore Transactions

In this second part, we complete our QR payment system by adding camera scanning, payment confirmation, and Firestore transaction processing with atomic updates.

⚠️ WATCH PART 1 FIRST: [   • Build a QR Payment System in Flutter (Part...  ]

📱 What We Build in Part 2:
✅ Live camera scanner with MobileScanner
✅ Beautiful scanning UI with overlay and animations
✅ Payment confirmation screen
✅ Amount input with balance validation
✅ Optional payment notes
✅ Atomic Firestore batch writes
✅ Transaction record creation for both users
✅ Complete integration with success notifications

⏱️ TIMESTAMPS:
0:00 - Intro & Recap
1:08 - Setup & Camera Permissions
1:25 - Scan QR Tab Setup
3:10 - QR Code Processing Logic
9:10 - Scanner UI - Camera View
12:08 - Scanner UI - Corner Decorations
17:35 - Payment Confirmation Screen Setup
21:49 - Payment Validation & Confirmation
26:35 - Firestore Transaction Logic
35:16 - Confirmation Screen UI - AppBar
36:46 - Confirmation Screen UI - Recipient Card
39:50 - Confirmation Screen UI - Amount Input
45:23 - Confirmation Screen UI - Notes Field
47:32 - Confirmation Screen UI - Buttons
51:06 - Testing & Demo

💻 COMPLETE SOURCE CODE: [https://github.com/SecureDevMY/flutte...]

🔗 SERIES PLAYLIST:
Episode 1: Building Home screen.
Episode 2: Building Login/Signup screen and implementing Firebase authentication.
Episode 3: Integrating with Firestore database
Episode 4: Navigation routes
Episode 5: Building QR Payment screen (Part 1: QR Code Generation)
Episode 6: Building QR Payment screen (Part 2: Scanner & Payment) - This video

#Flutter #Firebase #QRCode #MobileDevelopment #FlutterTutorial #Part2 #Firestore #AtomicTransactions