requestFocus method

Future<void> requestFocus(
  1. double x,
  2. double y,
  3. double width,
  4. double height,
)

请求聚焦 x 0~1 y 0~1

Implementation

Future<void> requestFocus(
    double x, double y, double width, double height) async {
  await RBarcode._requestFocus(x, y, width, height);
}