backButton method

Widget backButton(
  1. BuildContext context,
  2. BoxConstraints constraints
)

The back button near to the shootingButton. 靠近拍照键的返回键

Implementation

Widget backButton(BuildContext context, BoxConstraints constraints) {
  return InkWell(
    borderRadius: maxBorderRadius,
    onTap: Navigator.of(context).pop,
    child: Container(
      margin: const EdgeInsets.all(10.0),
      width: 27,
      height: 27,
      decoration: const BoxDecoration(
        color: Colors.white,
        shape: BoxShape.circle,
      ),
      child: const Center(
        child: Icon(
          Icons.keyboard_arrow_down,
          color: Colors.black,
        ),
      ),
    ),
  );
}