如果想要让RecyclerView的列表项间距自适应调整,可以通过设置RecyclerView的LayoutManager来实现。以下是一种方法:
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>
通过以上步骤,RecyclerView的列表项间距就会根据定义的间距值自适应调整了。可以根据需要调整dimens.xml中的间距数值来改变列表项之间的间距大小。
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