Day 10/100: Looper, Handler, MessageQueue — The Machinery Android Runs On
📰 Dev.to · Hoang Son
Learn the 15-year-old threading model underlying Android's async code and coroutines to improve debugging, optimization, and reasoning
Action Steps
- Explore the Looper class in Android to understand its role in handling messages
- Learn about the Handler class and its relationship with Looper and MessageQueue
- Understand how MessageQueue works and how it interacts with Looper and Handler
- Apply this knowledge to optimize and debug Android apps
- Use the Android Debug Bridge (ADB) to inspect and manipulate the threading model
Who Needs to Know This
Android developers and engineers can benefit from understanding the underlying threading model to improve their app's performance and debug issues more efficiently
Key Insight
💡 The threading model underlying Android's async code is based on Looper, Handler, and MessageQueue, and understanding it can significantly improve app development and debugging
Share This
📱 Did you know Android's async code is built on a 15-year-old threading model? 🤔 Learn about Looper, Handler, and MessageQueue to level up your Android dev skills! 💻
Key Takeaways
Learn the 15-year-old threading model underlying Android's async code and coroutines to improve debugging, optimization, and reasoning
Full Article
Coroutines are how we write async code today. But underneath them — underneath everything in Android — is a 15-year-old threading model that's still running every single app. Understanding it changes how you debug, optimize, and reason about Android.
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