In a Flutter app, what is the significance of using platform channels for integrating with device features?

Using platform channels in Flutter is crucial for integrating with device features by facilitating communication between Dart code and native code. Platform channels provide a structured interface for data exchange, allowing Flutter apps to leverage native functionality seamlessly. This is essential when interacting with platform-specific APIs, accessing device sensors, or integrating features that require native code execution. Understanding the significance of platform channels is key to building robust and feature-rich Flutter applications.