我试图在回收站视图中的每个列表项之间添加一些空格,但由于某些原因它没有相应的工作 . 我一直在遵循实施此解决方案的指南,但似乎无法找到答案 . 它正在添加空间,但空间放在下一个列表项上 .
这就是我的recyclerview目前的样子: - My RecyclerView
这是我的类: - divider.xml
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<size
android:width="40dp"
android:height="40dp" />
<solid
android:color="@color/white"/>
</shape>
SimpleDividerItemDecoration类
public class SimpleDividerItemDecoration extends RecyclerView.ItemDecoration {
private Drawable mDivider;
public SimpleDividerItemDecoration(Context context) {
mDivider = ContextCompat.getDrawable(context,R.drawable.divider);
}
@Override
public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
int left = parent.getPaddingLeft();
int right = parent.getWidth() - parent.getPaddingRight();
int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
View child = parent.getChildAt(i);
RecyclerView.LayoutParams params = (RecyclerView.LayoutParams) child.getLayoutParams();
int top = child.getBottom() + params.bottomMargin;
int bottom = top + mDivider.getIntrinsicHeight();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
}
我的Fragment类中的onCreate方法,我得到了对象
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View v = inflater.inflate(R.layout.fragment_popular_picks, container, false);
recyclerView = (RecyclerView)v.findViewById(R.id.popular_pick_recyclerView);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
recyclerView.addItemDecoration(new SimpleDividerItemDecoration(getContext()));
getPopularPost();
return v;
}
2 回答
添加以下行代码,希望它能解决您的问题
recyclerView.addItemDecoration(new GridSpacingItemDecoration(2,dpToPx(10),true));
这里是GridSpacingItemDecoration类
/ ** * RecyclerView项目装饰 - 在网格项目周围给出相等的边距* /
如果您只需要添加空间,请考虑将其添加到项目布局(列表项的.xml文件) . 这可以是
RecyclerView
中每个项目的一些填充 .如果您需要添加常规分频器,请考虑使用默认
DividerItemDecoration
. 它可从appcompat库25.0.0
获得 .您可以这样添加它: