Image Scale type center crop on flutter?

Android ScaleType and BoxFit should match like this:

1. CENTER = none
2. CENTER_CROP = cover
3. CENTER_INSIDE = scaleDown
4. FIT_CENTER = contain (alignment.center)
5. FIT_END = contain (alignment.bottomright)
6. FIT_START = contain (alignment.topleft)
7. FIT_XY = fill

Ex :- Image.asset('assets/images/your_image.png',fit: BoxFit.fill)

So you should use Cover to achieve the CENTER_CROP result.

EDIT:

The problem should be crossAxisAlignment of the Column widget.
Setting this property to crossAxisAlignment: CrossAxisAlignment.stretch should fix your issue.