RecyclerView没有像GridView那样有提供verticalSpacing属性，上*找到了一种替代方法，代码如下
public class SpacesItemDecoration extends RecyclerView.ItemDecoration {
private int mVerticalSpacing, mHorizontalSpacing;
public SpacesItemDecoration(int verticalSpacing, int horizontalSpacing){
mHorizontalSpacing = horizontalSpacing;
mVerticalSpacing = verticalSpacing;
}
@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {
outRect.left = mHorizontalSpacing;
outRect.right = mHorizontalSpacing;
outRect.bottom = mVerticalSpacing;
outRect.top = mVerticalSpacing;
}
}
在RecyclerView中使用
int verticalSpacing = getResources().getDimensionPixelSize(R.dimen.my_items_grid_vertical_spacing);
int horizontalSpacing = getResources().getDimensionPixelSize(R.dimen.my_items_grid_horizontal_spacing);
recyclerView.addItemDecoration(new SpacesItemDecoration(verticalSpacing, horizontalSpacing));