requestFocusAndExposureOnPosition method
Future<void>
requestFocusAndExposureOnPosition(
- Offset localPosition,
- BoxConstraints constraints, {
- bool lock = false,
Request to set the focus and the exposure point on the localPosition
,
lock
to lock the exposure mode at the same time.
将对焦和曝光设置为给定的点 localPosition
,lock
控制是否同时锁定曝光模式。
Implementation
Future<void> requestFocusAndExposureOnPosition(
Offset localPosition,
BoxConstraints constraints, {
bool lock = false,
}) async {
// Only call exposure point updates when the controller is initialized.
if (innerController?.value.isInitialized ?? false) {
Feedback.forTap(context);
await setExposureAndFocusPoint(localPosition, constraints);
if (lock) {
await switchExposureMode();
}
}
}