How can I configure auto-capitalization behavior in Flutter’s text entry fields?

Flutter has a textCapitalization property for textfields. Set this property to TextCapitalization.sentences or any of the available values eg .characters or .words Like so:

TextField(
   keyboardType: TextInputType.text,
   **textCapitalization: TextCapitalization.sentences,**
   style: TextStyle(
      fontSize: 30.0,
      color: Colors.black,
      fontWeight: FontWeight.bold
   ),
)