Column's children must not contain any null values, but a null value was found at index 0

tp7309 / flutter_sticky_and_expandable_list

粘性头部与分组列表Sliver实现 Build a grouped list, which support expand/collapse section and sticky headers, support use it with sliver widget.

MIT License

141 stars 27 forks source link

Closed muhammadfaheem-pycom closed 4 years ago

muhammadfaheem-pycom commented 4 years ago

I am facing this issue when one of the section don't have items or an empty list

tp7309 commented 4 years ago

itemBuilder or headerBuilder must always return a widget, can not return null.