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Screen Recorder & Editor App

Screen Recorder Source Code

About this product

This is a complete Android screen recorder and video editor app, built with Kotlin, Jetpack Compose (Material 3), MediaProjection, OpenGL ES, and AndroidX Media3. It has a clean Bento-style UI and is fully offline, with no telemetry and no data uploaded anywhere.

You can record the full screen or only a selected area using a draggable region selector powered by real-time OpenGL ES cropping. Recording supports resolutions from 480p to 4K and native, frame rates from 24 to 60 FPS, H.264 or H.265 encoding, and bitrates from 2 to 50 Mbps. Audio options include microphone, internal device audio (Android 10+), mixed, or muted.

Controls stay out of your way with a floating bubble (pause, resume, stop, screenshot), a Quick Settings tile, a configurable countdown, and shake to stop.

The built-in editor, powered by Media3 Transformer, lets you trim, split, change speed (0.25x to 3x), blur sensitive areas, rotate, crop, and mute audio. A local library (Room + MediaStore) handles file info and quick sharing.

The code follows MVVM + Clean Architecture with a clear folder structure (data, service, ui, util), so it is easy to customize and rebrand. About 80% of the development was AI-assisted, with architecture, debugging, UI refinement, and testing done manually. It was built mainly for personal use and tested on the developer’s own device. Behavior can vary across manufacturers and Android versions, so test on your target devices.

Tech Stack

  • Kotlin
  • Jetpack Compose
  • Material 3
  • MediaProjection
  • OpenGL
  • Media3
  • Coroutines
  • StateFlow
  • Permissions
  • AI

Features

  • Full screen and selective area recording with real-time OpenGL ES cropping
  • Up to 4K and 60 FPS with H.264 / H.265 encoding and flexible audio options
  • Built-in editor: trim, split, speed, region blur, rotate, crop, mute
  • 100% offline with a local library and instant sharing

Specifications

Platform
Android (native)
Language
Kotlin
UI
Jetpack Compose (Material 3)
Architecture
MVVM + Clean Architecture
Min SDK
Android 7.0 (API 24)
Privacy
Fully offline, no data collection

Requirements

  • Android Studio (latest stable version recommended)
  • JDK 11 or higher
  • Internet access for the first Gradle sync
  • Basic Kotlin and Android Studio knowledge

What’s included

Zip File
Complete source code, ready to build
README.md
Features, architecture, permissions, and build instructions

Frequently asked questions

Does the app collect data or need internet?

No. It is fully offline with no telemetry. Recordings stay on the device. Internet is needed only for the first Gradle sync.

Will it work on every Android device?

It was tested on the developer’s own device. Manufacturers handle MediaProjection, hardware encoders, and overlay permissions differently, so you may need small adjustments on some devices or Android versions

Can I customize and rebrand it?

Yes. The clean MVVM structure makes it easy to change the UI, add features, and rename the package and app ID before publishing.

Need something custom?

Want this adapted to your brand or a different stack? Let’s talk about it.

Let’s Talk
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