How do I show files in Flutter?

Think of Device Preview as a first-order approximation of how your app looks and feels on a mobile device . With Device Mode you don’t actually run your code on a mobile device. You simulate the mobile user experience from your laptop, desktop or tablet.

Let’s Get Started with implementing file_picker in flutter app

In Flutter, displaying an image can be done by using Image widget . Flutter provides a named constructor File. Image which can be used if the image source is from a file. Alternatively, you can also use FileImage .