onScaleStart method
Implementation
void onScaleStart(ScaleStartDetails details) {
if (details.pointerCount != 2) {
return;
}
_mPressOffset = null;
_mScaleCenterPoint = details.localFocalPoint;
notifyChanged();
}
void onScaleStart(ScaleStartDetails details) {
if (details.pointerCount != 2) {
return;
}
_mPressOffset = null;
_mScaleCenterPoint = details.localFocalPoint;
notifyChanged();
}