This talk provides practical insights and best practices gained from the real-world development of google_navigation_flutter — a plugin bridging the native Google Maps Navigation SDKs with Flutter. Key topics include: - High-level introduction to Google Maps Navigation - Effective documentation strategies - Importance of comprehensive feature coverage in the example app - The benefits of a unified API design - Real-world testing strategies - Extending support for the Driver SDK This talk offers broadly applicable practical tips for Flutter plugin development.