Fix onBegin and onTouchesDown events ordering on Android
#2283
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m-bert
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Jul 21, 2023
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Description
This PR changes the ordering of
onBeginandonTouchesDownevents on Android.onBeginwas invoked first, as some gestures required additional setup when they started tracking the first pointer, which is happening after the touch events are dispatched. The workaround for that was to sendonTouchesDownlater but it resulted in inconsistent behavior between platforms.The gesture initialization is now abstracted to the parent class and may be invoked by touch events. The one caveat is that it requires an instance of
MotionEventso one needs to be remembered when dispatching the touch event.Fixes part of #2263.
Test plan
Tested on the example app and on the code from the issue.