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Fix android issues with dynamic snap points and open keyboard + onAnimate values #1163

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Fix android issues with dynamic snap points and open keyboard + onAnimate values #1163

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386388a
find proper index
paulrostorp Nov 1, 2022
94e8a54
also add kb height to next position
paulrostorp Nov 1, 2022
191a4ec
fix onAnimate wrong "to" index
paulrostorp Nov 1, 2022
0c7e153
pass proper indexes to `onAnimate`
paulrostorp Nov 1, 2022
7e59769
return `INITIAL_SNAP_POINT` when position is zero (fully extended sheet)
paulrostorp Nov 1, 2022
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10 changes: 6 additions & 4 deletions src/components/bottomSheet/BottomSheet.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -602,8 +602,9 @@ const BottomSheetComponent = forwardRef<BottomSheet, BottomSheetProps>(
);
const handleOnAnimate = useCallback(
function handleOnAnimate(toPoint: number) {
const keyboardOffset = animatedKeyboardState.value == KEYBOARD_STATE.SHOWN ? animatedKeyboardHeight.value : 0;
const snapPoints = animatedSnapPoints.value;
const toIndex = snapPoints.indexOf(toPoint);
const toIndex = toPoint == 0 ? INITIAL_SNAP_POINT : snapPoints.indexOf(toPoint + keyboardOffset);

print({
component: BottomSheet.name,
Expand Down Expand Up @@ -693,9 +694,10 @@ const BottomSheetComponent = forwardRef<BottomSheet, BottomSheetProps>(
/**
* store next position
*/
animatedNextPosition.value = position;
animatedNextPositionIndex.value =
animatedSnapPoints.value.indexOf(position);
const keyboardOffset = animatedKeyboardState.value == KEYBOARD_STATE.SHOWN ? animatedKeyboardHeight.value : 0;

animatedNextPosition.value = position + keyboardOffset;
animatedNextPositionIndex.value = position == 0 ? INITIAL_SNAP_POINT : animatedSnapPoints.value.indexOf(position + keyboardOffset);
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When the position was 0 (from a fully extended sheet), the index was still specified as -1. But that had the implication that the sheet was closed/closing.
I thought to instead set it to INITIAL_SNAP_POINT (-999), as that conveys a better meaning, especially in the context of the onAnimate callback


/**
* fire `onAnimate` callback
Expand Down