Commercial Flutter & Android Source Code · Android 14+ Ready

Launch Your Own Wi-Fi File Transfer App Business in 15 Minutes

Turn any Android device into a high-speed local FTP & HTTP Server. Complete Flutter source code with built-in Google AdMob monetization, zero backend costs, and plug-and-play architecture ready for Google Play Store.

Buy on CodeCanyon — Instant Access Download Demo APK 4-Step Reskin Guide
100% Verified Clean Flutter Code Google Play Compliant Free Future Updates 6 Months Author Support
$0 / mo
Server & Cloud Costs
15 min
Quick Reskin & Build
Dual FTP+HTTP
Simultaneous Engine
100% Ready
AdMob Monetization
Built For Passive Income

Ready-to-Earn Google AdMob Integration

DropLine doesn't just give you an app — it gives you a functioning digital asset. Ad units are already coded, tested, and configured according to Google AdMob's latest 2026 developer policies.

  • ✓
    Adaptive Banner Ads Auto-sized banner at the bottom of the screen with dark-mode matching palette.
  • ✓
    Non-Intrusive Interstitials Strategically fired only after server stops, avoiding mid-transfer disruptions.
  • ✓
    Frequency Capping & Cooldown Logic Built-in timers prevent spamming, maintaining high retention and preventing policy bans.
  • ✓
    1-File Configuration (Zero Headaches) Simply paste your AdMob IDs into app_config.dart and you are ready to publish!
lib/app/config/app_config.dart
// Paste your real AdMob IDs here and flip test flag
class AppConfig {
  static const bool useTestAds = false;
  
  // Android Banner Ad Unit ID
  static const String bannerAdUnitIdAndroid = 
    "ca-app-pub-3940256099942544/6300978111";
    
  // Android Interstitial Ad Unit ID
  static const String interstitialAdUnitIdAndroid = 
    "ca-app-pub-3940256099942544/1033173712";
    
  // Intelligent frequency protection
  static const int interstitialIntervalSeconds = 60;
}
Zero Friction Setup

How To Reskin & Publish in 4 Steps

You do not need to be a senior Flutter engineer to launch DropLine. Everything is documented step-by-step.

01
📦

Download Code

Purchase and immediately download the clean, complete source code zip directly from CodeCanyon.

02
🎨

Customize Brand

Change your app name, package ID, and icon in minutes using our automated Flutter launcher icons script.

03
💳

Add AdMob IDs

Insert your Banner and Interstitial Ad Unit IDs in app_config.dart and set useTestAds = false.

04
🚀

Publish to Play Store

Run flutter build appbundle and upload the signed release package straight to Google Play Console!

Complete Package

Everything Included in Your Purchase

No hidden fees, no required extra libraries. You receive the complete production archive.

✓

Complete Flutter 3.x Source Code

100% clean, modular Dart code structured with GetX architecture and null-safety enabled.

✓

Native Android Kotlin Engine

Embedded Apache FTP Server & NanoHTTPD background services optimized for Android 14 (API 34).

✓

Google AdMob Monetization System

Tested and active Banner & Interstitial ad implementations with cooldown management.

✓

Step-by-Step Documentation

Comprehensive setup guide covering environment setup, reskinning, AdMob linking, and Play Store upload.

✓

Free Lifetime Updates

Enjoy future Flutter updates, performance boosts, and Android OS compatibility upgrades at no extra cost.

✓

6 Months Dedicated Support

Direct assistance from the author on CodeCanyon to answer technical questions and guide your launch.

Questions & Answers

Frequently Asked Questions

Everything you need to know before securing your copy on CodeCanyon.

Is this app ready to publish on Google Play Store? +
Yes, absolutely! The codebase complies with Google Play's latest target SDK requirements (Android 14 / API 34+), foreground service policy declarations, and scoped storage guidelines. You only need to replace the package name and app icon before uploading.
Do I need to pay for any cloud servers, databases, or API keys? +
Zero! DropLine operates 100% peer-to-peer over the local Wi-Fi network. There are no AWS, Firebase, or external hosting fees whatsoever. Your operational cost is literally $0/month.
How does Google AdMob monetization work in this template? +
The template features pre-integrated Adaptive Banner ads at the bottom of the home screen and Interstitial ads that show smoothly when the user stops a server session. We also included frequency cooldown logic so ads never irritate users.
Which Flutter version is supported? +
DropLine is built using modern Flutter 3.x with sound null-safety. It supports Android Studio, VS Code, and standard Flutter CLI compilation.
Can users access files without installing an app on their computer? +
Yes! Because DropLine hosts an HTTP web server in addition to FTP, users on Mac, Windows, Linux, Chromebook, or iOS can simply open their web browser (Chrome, Edge, Safari) and navigate to the displayed URL or scan the QR code.
What license is included with my CodeCanyon purchase? +
You receive a standard CodeCanyon license granting you full rights to build and publish your own branded application on Google Play or distribute to clients.
Instant Delivery via CodeCanyon

Start Your Wi-Fi File Transfer
App Today

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⚡ Instant Zip Download · Commercial Rights · 6 Months Author Support