Premium QR & Barcode Scanner Pro is a complete, ready-to-publish Android application template designed for developers and entrepreneurs who want to launch a professional scanning utility on the Google Play Store.

Built using the latest Jetpack Compose framework and Material 3 design guidelines, this app offers a smooth, high-performance experience with premium aesthetics. It is fully optimized for modern Android versions (Android 15 / Target SDK 35) and comes with AdMob integration for instant monetization.

Key Features:

•Lightning Fast Scanning: Optimized engine for rapid detection of all common QR and Barcode formats (EAN, UPC, Code 128, etc.).
•QR Code Generator: Built-in tool to create custom QR codes for website links (URLs), text, and more.
•Persistent Scan History: Automatically saves all scanned and generated items locally so users never lose their data.
•AdMob Ready: Integrated Banner Ads support. Just swap the Ad Unit ID in the configuration to start earning.
•Material 3 UI/UX: A beautiful, modern interface featuring custom gradients, smooth transitions, and a premium "Dark/Indigo" theme.
•One-Hand Operation: UX optimized for easy, vertical scanning and single-hand usage.
•Smart Actions: One-tap to open links in the browser or search for product codes directly on Google.
Technical Specifications:
•Language: 100% Kotlin.
•UI Framework: Jetpack Compose (Modern Android UI).
•Architecture: Clean, modular code (MVVM pattern).
•Target SDK: 35 (Android 15).
•Min SDK: 26 (Android 8.0).
•Libraries: ZXing (Scanning), Google Play Services Ads (AdMob), Material 3.

What You Get:

1.Full Android Studio Source Code (Kotlin).
2.Ready-to-install Demo APK file.
3.Comprehensive Documentation (HTML) for setup and customization.
4.Quick Start Guide (TXT) for rapid deployment.
This template is perfect for anyone looking for a high-quality, bug-free, and easy-to-customize solution to enter the utility apps market.

Main Features:

•Modern UI Framework: Built entirely with Jetpack Compose, ensuring smooth animations and a responsive interface.

•AdMob Integration: Pre-configured Banner Ads support for instant monetization—just swap the IDs.

•Universal Scanner: High-speed scanning for all common QR and Barcode formats (EAN, UPC, Code 128, etc.).

•QR Code Generator: Built-in utility to create custom QR codes for URLs, text, and other data.

•Smart History Log: Automatically saves all scan and generation results locally using persistent storage.

•Material 3 Design: Follows the latest Google design guidelines with beautiful gradients and premium aesthetics.

•Android 15 Ready: Fully optimized for the latest Android version (Target SDK 35).

•Portrait Orientation: Optimized for one-hand operation with a vertical scanning interface.

•Clean Source Code: Well-documented, modular Kotlin code based on the MVVM architecture for easy customization.

•Lightweight & Fast: Minimal app size with high-performance code execution.

Technical Specifications:

•Development Environment: Android Studio Jellyfish (2023.3.1) or newer.

•Programming Language: Kotlin.

•UI Framework: Jetpack Compose (Modern Android UI).

•Minimum Android Version: Android 8.0 (API Level 26).

•Target Android Version: Android 15 (API Level 35).

•Java Version: Java JDK 17 recommended.

•Dependencies:

◦ZXing Android Embedded (Scanning engine)

◦Google Play Services Ads (AdMob)

◦Material 3 (Design components)

•Architecture: Clean code with MVVM pattern support.

Step-by-Step Instructions:

1. Initial Setup

•Extract: Unzip the downloaded file to your local drive.
•Open: Launch Android Studio Jellyfish (or newer).
•Import: Select File > Open, navigate to the project folder, and click OK.
•Sync: Wait for the Gradle sync to finish successfully (make sure you have an active internet connection).

2. Branding & Customization

•Change Package Name:
       i.In the project tree, right-click on com.example.qrscanner.
       ii.Select Refactor > Rename > Rename Package.
       iii.Enter your new unique package name.

•Change App Name: Open app/src/main/res/values/strings.xml and edit the app_name string.
•Change Icons: Right-click the app folder, select New > Image Asset, and follow the wizard to upload your logo.

3. Monetization (AdMob)

•App ID: Open app/src/main/AndroidManifest.xml and replace the test Application ID with your real ID from the AdMob dashboard.
•Ad Unit: Open MainActivity.kt, find the AdBanner function, and update the adUnitId with your Banner Ad ID.

4. Testing and Building

•Test: Connect your physical device or start an emulator and click the Run button.
•Generate APK/AAB: Go to Build > Generate Signed Bundle / APK, select your keystore, and generate the final release file for the Google Play Store.

App Usage (For End Users):

1.Scan: Point the camera at any QR or Barcode to detect it instantly.
2.Generate: Go to the "Create" tab, enter your link or text, and tap "Generate" to create a QR code.
3.History: View all previous scans in the "History" tab for quick access.
4.Actions: Tap on any scan result to open the link or search for the product on Google.