imageBuilder method
Returns the image for the given index
.
Implementation
@override
ImageProvider imageBuilder(BuildContext context, int index) {
if (index < 0 || index >= imageProviders.length) {
throw ArgumentError.value(initialIndex, 'index',
'The index value must be between 0 and ${imageProviders.length - 1}.');
}
return imageProviders[index];
}