CASE STUDY

FTPYSN

Android App • Network Utility

Project Overview

Android application that transforms your smartphone into a Wi-Fi FTP server for wireless file transfers.

Context & Challenge

Transferring files between devices often requires cables, cloud services, or complicated setup. Users need a simple solution for local file sharing without internet dependency or third-party services.

Client Objectives

• Enable one-click FTP server activation
• Support secure file transfers over local Wi-Fi
• Provide intuitive file browser and access controls
• Minimize battery and resource consumption

UX Research & Architecture

User testing revealed the need for clear connection instructions and status indicators. We designed prominent server status display and easy-to-share connection details.

UI Design & Design System

Material Design interface with clear visual hierarchy. Large toggle button for server control, visible connection status, and straightforward settings. Dark theme for battery efficiency.

Development & Technologies

Native Kotlin development ensures optimal Android performance. Custom FTP server implementation with configurable access permissions. Wi-Fi network detection and automatic IP display simplify connection setup.

Tech Stack: Kotlin, Android SDK, FTP Server Implementation, Wi-Fi Direct, Material Design

Results & Business Value

• One-tap server activation and deactivation
• Fast local file transfers without internet
• Secure access with authentication options
• Minimal resource usage preserving battery life