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如果想要讓RecyclerView的列表項(xiàng)間距自適應(yīng)調(diào)整,可以通過設(shè)置RecyclerView的LayoutManager來實(shí)現(xiàn)。以下是一種方法:
public class SpaceItemDecoration extends RecyclerView.ItemDecoration {
private int space;
public SpaceItemDecoration(int space) {
this.space = space;
}
@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
outRect.left = space;
outRect.right = space;
outRect.bottom = space;
// Add top margin only for the first item to avoid double space between items
if (parent.getChildLayoutPosition(view) == 0) {
outRect.top = space;
} else {
outRect.top = 0;
}
}
}
int spacingInPixels = getResources().getDimensionPixelSize(R.dimen.spacing);
recyclerView.setLayoutManager(new LinearLayoutManager(this));
recyclerView.addItemDecoration(new SpaceItemDecoration(spacingInPixels));
<dimen name="spacing">8dp</dimen>
通過以上步驟,RecyclerView的列表項(xiàng)間距就會(huì)根據(jù)定義的間距值自適應(yīng)調(diào)整了??梢愿鶕?jù)需要調(diào)整dimens.xml中的間距數(shù)值來改變列表項(xiàng)之間的間距大小。
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