MessageItemContent constructor Null safety
Creates a MessageItemContent displaying the contents of the message within a container of set width and height, which may have an optional black border if selected is true.
The width and height are optional. By default, the message is small in size.
Implementation
const MessageItemContent({
Key? key,
required this.message,
this.width = 100,
this.height = 100,
required this.selected,
}) : super(key: key);