The power of TextInputFormatter in Flutter

Giovanni Accetta
3 min readOct 20, 2022

When creating apps TextField are the one thing that any developer will have to handle. Unfortunately I’ve stumbled too many times into TextField that do not enforce any formatting even when one was obviously needed.

In Flutter we have a super power that really can help developers deliver an amazing experience: TextInputFormatter. Often the extent of what this class allow is underestimated.

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Giovanni Accetta

Senior Mobile Developer 🧑‍💻 and freelancer 🚀 with 360 experience on mobile apps lifecycle 📱! Always happy to talk tech 💻, photography 📷 and travel ✈️!