Android 将分隔器添加到RecyclerView
示例
首先，您需要创建一个扩展类RecyclerView.ItemDecoration：
public class SimpleBlueDivider extendsRecyclerView.ItemDecoration{
private Drawable mDivider;
public SimpleBlueDivider(Context context) {
mDivider = context.getResources().getDrawable(R.drawable.divider_blue);
}
@Override
public void onDrawOver(Canvas c, RecyclerView parent,RecyclerView.Statestate) {
//分隔符填充可根据需要或禁用任何填充
int left =parent.getPaddingLeft()+80;
int right = parent.getWidth() - parent.getPaddingRight()-30;
int childCount = parent.getChildCount();
for (int i = 0; i < childCount; i++) {
View child = parent.getChildAt(i);
RecyclerView.LayoutParamsparams = (RecyclerView.LayoutParams) child.getLayoutParams();
int top = child.getBottom() + params.bottomMargin;
int bottom = top + mDivider.getIntrinsicHeight();
mDivider.setBounds(left, top, right, bottom);
mDivider.draw(c);
}
}
}添加divider_blue.xml到您的可绘制文件夹中：
<?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle"> <size android:width="1dp" android:height="4dp" /> <solid android:color="#AA123456" /> </shape>
然后像这样使用它：
recyclerView.addItemDecoration(new SimpleBlueDivider(context));
结果将如下所示：
该图像只是分隔器如何工作的一个示例，如果要在添加分隔器时遵循材料设计规范，请查看以下链接：分隔器，并通过提供链接感谢@BrendenKromhout。