Android Development

android / architecture-samples

Official Google samples demonstrating various Android app architectures using modern tools like Jetpack Compose, Room, Flow, and Hilt. Features a TODO app with testable, maintainable patterns for intermediate to advanced developers.

square / retrofit

A type-safe HTTP client for Android and Java that simplifies REST API integration through interface annotations. Features extensible converters for JSON/XML/protobuf and adapters for RxJava/Coroutines.

barry-ran / QtScrcpy

A high-performance Android screen mirroring and control software based on Qt framework, supporting USB and WiFi connections with low latency, custom key mapping, batch device control, and cross-platform compatibility for Windows, macOS, and Linux.

DrKLO / Telegram

Official open-source Telegram Android client focusing on speed and security. Features end-to-end encryption, cloud sync, and developer API access for building custom messaging applications.

signalapp / Signal-Android

Signal Android is an open-source secure messaging app featuring end-to-end encryption, HD voice/video calls, and privacy-focused communication. Built with AGPLv3 license for transparency and trust.

tachiyomiorg / tachiyomi

Tachiyomi is a free and open-source manga reader for Android with extensive extension support, allowing users to read comics from multiple sources through plugins.

JunkFood02 / Seal

An open-source Android video/audio downloader based on yt-dlp, supporting thousands of platforms with Material Design 3 interface, batch downloads, and custom command templates.

pppscn / SmsForwarder

Android SMS forwarder that monitors messages, calls, and app notifications, supports forwarding to DingTalk, WeCom, Feishu, email, and more platforms with remote control capabilities.

CymChad / BaseRecyclerViewAdapterHelper

BRVAH: A powerful and flexible RecyclerView adapter library for Android, simplifying list UI development with multi-type layouts, loading animations, and drag-drop functionality.