Android development on a privacy-hardened device is possible. Here's the complete stack for secure, containerized mobile dev.

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A comprehensive guide to running a full development environment on GrapheneOS, a privacy-hardened Android OS. Covers installing Termux from trusted sources (F-Droid or GitHub), setting up a Debian Linux environment via proot-distro, and running Docker containers through a QEMU aarch64 VM (since GrapheneOS has no root access). Also covers rootless Podman as an alternative, practical workflows including code-server for VS Code in the browser, secret management with GPG-encrypted `pass`, WireGuard VPN with always-on blocking, and SSH key hygiene. Includes real performance benchmarks on Pixel 8 Pro and Pixel 7a, honest trade-offs (heavy compilation is impractical), and security considerations like binding services to localhost and pinning container images by digest.

Hardened Mobile Dev: A Termux + Docker Guide for GrapheneOS

How to Set Up a Dev Environment on GrapheneOS

Understanding the GrapheneOS Security Model for Developers

Installing and Configuring Termux on GrapheneOS

Setting Up a Linux Environment with proot-distro

Running Docker (and Containers) on Termux

Building a Practical Development Workflow

Limitations, Trade-offs, and When This Makes Sense

A Portable, Hardened Dev Machine in Your Pocket