Debugging Android Connectivity Issues with Metro Bundler
Article Summary
Ever spent hours debugging why your React Native Android app won't connect to Metro during development? You're not alone.
Callstack's team tackles one of the most frustrating React Native development issues: Android devices failing to connect to Metro Bundler. This tutorial walks through systematic debugging approaches for connectivity problems that block local development.
Key Takeaways
- Network configuration mismatches are the primary cause of Metro connection failures
- ADB reverse command setup often breaks silently on Android devices
- Port conflicts and firewall rules frequently block Metro's default 8081 connection
- Device and emulator networking require different troubleshooting approaches
Critical Insight
Systematic network debugging can resolve most Android Metro connectivity issues that otherwise waste hours of development time.
