getItemViewType在RecyclerView

Question

型动物节项目我使用的FlexibleAdapter 图书馆我有3头和3 SectionItems， 我需要实现这些部分项目库：Slice 在每个SectionItems显示半径弯道，

但是半径仅归于第一部分，我不知道或者是问题所在。我无法获得其他部分的圆角。

public class SectionItem extends AbstractSectionableItem<SectionItem.DataCellViewHolder,HeaderItem> { 

    public static String NAME = SectionItem.class.getName(); 

    public class DataCellViewHolder extends FlexibleViewHolder implements DataCellViewHolder2 { 

     FrameLayout frame; 
     TextView title; 

     DataCellViewHolder(View itemView, FlexibleAdapter adapter) { 
      super(itemView, adapter); 
      frame = (FrameLayout)itemView.findViewById(R.id.frame); 
      title = (TextView) itemView.findViewById(R.id.title); 

     } 

     @Override 
     public FrameLayout getFrame() { 
      return frame; 
     } 

     @Override 
     public int getItemCount() { 
      mAdapter.getSectionItems(getHeader()).size(); 
     } 

     @Override 
     public int getItemViewType(int position) { 
      if (position==1){ 
       return VIEW_TYPE_TOP; 
      } else if (position == getItemCount()) { 
       return VIEW_TYPE_BOTTOM; 
      } else { 
       return VIEW_TYPE_CENTER; 
      } 
     } 
    } 

    private String title; 

    public SectionItem(String title, HeaderItem header) { 
      super(header); 
      this.title = title; 
      setDraggable(true); 
    } 

    public String getTitle() { 
     return title; 
    } 

    @Override 
    public HeaderItem getHeader() { 
     return super.getHeader(); 
    } 

    public void setTitle(String title) { 
     this.title = title; 
    } 

    @Override 
    public void bindViewHolder(FlexibleAdapter adapter, DataCellViewHolder holder, int position, List payloads) { 
     holder.title.setText(title); 

     Slice slice = new Slice(holder.getFrame()); 
     slice.setElevation(2.0f); 

     int view = holder.getItemViewType(position); 

      if (view == VIEW_TYPE_TOP) { 
       slice.setRadius(8.0f); 
       slice.showLeftTopRect(false); 
       slice.showRightTopRect(false); 
       slice.showRightBottomRect(true); 
       slice.showLeftBottomRect(true); 
       slice.showTopEdgeShadow(true); 
       slice.showBottomEdgeShadow(false); 

      } else if (view == VIEW_TYPE_BOTTOM) { 
       slice.setRadius(8.0f); 
       slice.showLeftTopRect(true); 
       slice.showRightTopRect(true); 
       slice.showRightBottomRect(false); 
       slice.showLeftBottomRect(false); 
       slice.showTopEdgeShadow(false); 
       slice.showBottomEdgeShadow(true); 

      } else { 
       slice.setRadius(0.0f); 
       slice.showTopEdgeShadow(false); 
       slice.showBottomEdgeShadow(false); 
      } 
     } 

    @Override 
    public boolean equals(Object inObject) { 
     if (inObject instanceof SectionItem) { 
      SectionItem inItem = (SectionItem) inObject; 
      return this.title.equals(inItem.title); 
     } 
     return false; 
    } 

    @Override 
    public int getLayoutRes() { 
     return R.layout.item_center; 
    } 

    @Override 
    public DataCellViewHolder createViewHolder(View view, FlexibleAdapter adapter) { 
     Log.w(NAME, " : createViewHolder"); 
     return new DataCellViewHolder(view, adapter); 
    } 
} 

main.xml中

<?xml version="1.0" encoding="utf-8"?> 
<FrameLayout 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:id="@+id/activity_main" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:background="#3be13e" 
    android:paddingLeft="@dimen/activity_horizontal_margin" 
    android:paddingRight="@dimen/activity_horizontal_margin" 
    android:paddingTop="10dp" 
    android:paddingBottom="@dimen/activity_vertical_margin" 
    tools:context="com.ahmed.flexibleadapterdemo.MainActivity"> 

     <android.support.v7.widget.RecyclerView 
      android:id="@+id/recyclerView" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content"/> 



</FrameLayout> 

item_center.xml

<?xml version="1.0" encoding="utf-8"?> 

<FrameLayout 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="match_parent" 
    android:layout_height="wrap_content" 
    android:background="@drawable/plus_sign"> 

    <FrameLayout 
     android:id="@+id/frame" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:background="@android:color/white" 
     android:layout_marginTop="0dp" 
     android:layout_marginLeft="16dp" 
     android:layout_marginRight="16dp" 
     android:layout_marginEnd="0dp" 
     android:clickable="true"> 

     <TextView 
      android:id="@+id/title" 
      android:layout_width="match_parent" 
      android:layout_height="30dp" 
      android:layout_margin="0dp" /> 

    </FrameLayout> 

</FrameLayout> 

Answer 1

我不知道该怎么FlexibleAdapter工作，所以我建议使用ATTR：背景你的视角是“R.id.frame”来制作半径;

<?xml version="1.0" encoding="utf-8"?> 
<shape xmlns:android="http://schemas.android.com/apk/res/android" 
    android:shape="rectangle"> 
    <corners android:radius="8dp"/> 
    <solid android:color="@color/color_bg"/> 
</shape>