Focus Gestures

Defined in library scandit_datacapture_core_ui

FocusGesture

abstract class FocusGesture

Added in version 6.7.0

Common interface for all the focus gestures.

triggerFocus(point)

Future<void> triggerFocus(PointWithUnit point)

Added in version 8.3.0

Triggers a focus as if the focus gesture was performed.

addListener(listener)

void addListener(FocusGestureListener listener)

Added in version 8.3.0

Adds the listener to this gesture.

In case the same listener is already observing this instance, calling this method will not add the listener again.

removeListener(listener)

void removeListener(FocusGestureListener listener)

Added in version 8.3.0

Removes a previously added listener from this gesture.

In case the listener is not currently observing this instance, calling this method has no effect.

showUIIndicator

bool showUIIndicator

Added in version 8.3.0

If enabled triggering the focus gesture will also show a visual indicator. Defaults to true.

TapToFocus

class TapToFocus : FocusGesture

Added in version 6.7.0

Tap to focus gesture.

TapToFocus(showUIIndicator)

TapToFocus({bool? showUIIndicator})

Added in version 6.7.0

Constructs a new TapToFocus instance. The focus strategy can be changed in the CameraSettings through focusGestureStrategy.

triggerFocus(point)

Future<void> triggerFocus(PointWithUnit point)

Added in version 8.3.0

addListener(listener)

void addListener(FocusGestureListener listener)

Added in version 8.3.0

removeListener(listener)

void removeListener(FocusGestureListener listener)

Added in version 8.3.0

showUIIndicator

bool showUIIndicator

Added in version 8.3.0

If enabled triggering the focus gesture will also show a visual indicator. Defaults to true.