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Merged
merged 1 commit into from
May 23, 2023
Merged

'修复ViewPagerAdapter边界值处理不当' #3

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10 changes: 2 additions & 8 deletions pager-grid-view/src/main/java/me/simple/pager/ViewPagerAdapter.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,9 +17,7 @@ internal class ViewPagerAdapter<VH : PagerGridView.ItemViewHolder>(
private val mPageGridCount = mSpanCount * mLineCount

override fun getItemCount(): Int {
if (itemAdapter.getItemCount() == 0) return 0

return (mItemCount / mSpanCount / mLineCount) + 1
return (mItemCount - 1) / mPageGridCount + 1
}

override fun onCreateViewHolder(
Expand Down Expand Up @@ -51,11 +49,7 @@ internal class ViewPagerAdapter<VH : PagerGridView.ItemViewHolder>(

private fun getPageItemCount(pageIndex: Int): Int {
return if (pageIndex == this.itemCount - 1) {
if (pageIndex == 0) {
mItemCount
} else {
mItemCount % mPageGridCount
}
(mItemCount - 1) % mPageGridCount + 1
} else {
mPageGridCount
}
Expand Down