Unable to load asset image

Why This Happens

In Flutter, all assets must be declared in pubspec.yaml under the flutter.assets section. If the file path does not match exactly (including case sensitivity) or the asset is not listed, Flutter cannot load it. Also ensure proper indentation in pubspec.yaml.

The Problem

// pubspec.yaml missing asset declaration
Image.asset('assets/images/logo.png')

The Fix

// In pubspec.yaml:
// flutter:
//   assets:
//     - assets/images/logo.png
//
// Then in Dart:
Image.asset('assets/images/logo.png')

Step-by-Step Fix

1. 1

   Identify the error

   Look at the error: Unable to load asset. This tells you the exact asset path that Flutter could not find.

2. 2

   Find the cause

   Verify the file exists at the exact path, check pubspec.yaml for proper asset declaration, and ensure correct YAML indentation.

3. 3

   Apply the fix

   Add the asset to pubspec.yaml under flutter.assets, verify the file path matches exactly, and run flutter pub get.