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Code Issues Releases Wiki Activity

Slow down fast scrolling

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This commit is contained in:
M66B 2021-07-21 21:26:00 +02:00
parent ca6a716fbe
commit 03823a34ff
1 changed files with 17 additions and 1 deletions
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18
app/src/main/java/androidx/recyclerview/widget/FastScrollerEx.java
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@ -464,12 +464,28 @@ public class FastScrollerEx extends RecyclerView.ItemDecoration implements Recyc
int scrollbarLength = scrollbarRange[1] - scrollbarRange[0]; int scrollbarLength = scrollbarRange[1] - scrollbarRange[0];
float percentage = (scrollbarLength == 0 ? 0 : y / (float) scrollbarLength); float percentage = (scrollbarLength == 0 ? 0 : y / (float) scrollbarLength);
int pos = Math.round(count * percentage); int pos = Math.round(count * percentage);
mRecyclerView.scrollToPosition(pos); scrollTo = pos;
mRecyclerView.removeCallbacks(scroll);
mRecyclerView.postDelayed(scroll, 100);
} }
mVerticalDragY = y; mVerticalDragY = y;
} }
private int scrollTo;
private final Runnable scroll = new Runnable() {
@Override
public void run() {
try {
eu.faircode.email.Log.i("Fast scroll to=" + scrollTo);
mRecyclerView.scrollToPosition(scrollTo);
} catch (Throwable ex) {
eu.faircode.email.Log.e(ex);
}
}
};
private void horizontalScrollTo(float x) { private void horizontalScrollTo(float x) {
final int[] scrollbarRange = getHorizontalRange(); final int[] scrollbarRange = getHorizontalRange();
x = Math.max(scrollbarRange[0], Math.min(scrollbarRange[1], x)); x = Math.max(scrollbarRange[0], Math.min(scrollbarRange[1], x));