CardThemeData exception

[Ian-Munashe]

I am encountering a build error within a Flutter project using version 3.27.1 (stable channel). Velocity_x: 4.2.1 is causing a build-time failure, preventing successful compilation and execution of the application. The specific error message is as follows:

/C:/Users/***/AppData/Local/Pub/Cache/hosted/pub.dev/velocity_x-4.2.1/lib/src/flutter/universal.dart:805:43: Error: A value of type 'CardThemeData' can't be assigned to a variable of type 'CardTheme'.

• 'CardThemeData' is from 'package:flutter/src/material/card_theme.dart' ('/D:/tools/flutter/packages/flutter/lib/src/material/card_theme.dart').
• 'CardTheme' is from 'package:flutter/src/material/card_theme.dart' ('/D:/tools/flutter/packages/flutter/lib/src/material/card_theme.dart').
  final CardTheme cardTheme = CardTheme.of(context);
  ^
  Target kernel_snapshot_program failed: Exception

FAILURE: Build failed with an exception.

[iamtvirani]

@Ian-Munashe we already raised and give temporary solution you can check issue #216

[frkudn]

Temporary Solution

File Location

The file can be found at:

~/.pub-cache/hosted/pub.dev/velocity_x-4.2.1/lib/src/flutter/universal.dart

How to Apply the Fix Manually

1. Open the specified file in your text editor
2. Locate the existing cardWidget and material methods
3. Replace them with the following code:

Widget cardWidget(Widget current, BuildContext context) {
    final ThemeData theme = Theme.of(context);
    final CardThemeData cardTheme = CardTheme.of(context);
    
    return material(current,
        mType: MaterialType.card,
        mShadowColor: shadowColor ?? cardTheme.shadowColor ?? theme.shadowColor,
        mColor: color ?? cardTheme.color ?? theme.cardColor,
        mElevation: elevation ?? cardTheme.elevation ?? 10,
        mShape: shape ??
            cardTheme.shape ??
            RoundedRectangleBorder(
                borderRadius: borderRadius == BorderRadius.zero
                    ? BorderRadius.circular(4)
                    : borderRadius),
        mClipBehavior: clipBehavior ?? cardTheme.clipBehavior ?? Clip.none,
        mBorderOnForeground: true);
}