Answers for "how to change border color in input decoration flutter"

change border color of TextField in flutter

TextFormField(
        decoration: InputDecoration(
          labelText: "Resevior Name",
          fillColor: Colors.white,
          focusedBorder:OutlineInputBorder(
            borderSide: const BorderSide(color: Colors.white, width: 2.0),
            borderRadius: BorderRadius.circular(25.0),
          ),
        ),
      )

flutter InputDecoration border radius color

border: OutlineInputBorder(
	// width: 0.0 produces a thin "hairline" border
    borderRadius: BorderRadius.all(Radius.circular(90.0)),
    borderSide: BorderSide.none,
    ...
)