open `getItem()`

library/src/main/java/com/chad/library/adapter/base/BaseQuickAdapter.kt

@@ -336,7 +336,7 @@ abstract class BaseQuickAdapter<T, VH : BaseViewHolder>
                 }
             }
             HEADER_VIEW, EMPTY_VIEW, FOOTER_VIEW -> return
-            else -> convert(holder, data.getOrNull(position - headerLayoutCount))
+            else -> convert(holder, getItem(position - headerLayoutCount))
         }
     }
 
@@ -356,7 +356,7 @@ abstract class BaseQuickAdapter<T, VH : BaseViewHolder>
                 }
             }
             HEADER_VIEW, EMPTY_VIEW, FOOTER_VIEW -> return
-            else -> convert(holder, data.getOrNull(position - headerLayoutCount), payloads)
+            else -> convert(holder, getItem(position - headerLayoutCount), payloads)
         }
     }
 
@@ -424,7 +424,7 @@ abstract class BaseQuickAdapter<T, VH : BaseViewHolder>
      * data set.
      * @return The data at the specified position.
      */
-    fun getItem(@IntRange(from = 0) position: Int): T? {
+    open fun getItem(@IntRange(from = 0) position: Int): T? {
         return data.getOrNull(position)
     }
 

library/src/main/java/com/chad/library/adapter/base/BaseSectionQuickAdapter.kt

@@ -66,7 +66,7 @@ abstract class BaseSectionQuickAdapter<T : SectionEntity, VH : BaseViewHolder>
     override fun onBindViewHolder(holder: VH, position: Int) {
         if (holder.itemViewType == SectionEntity.HEADER_TYPE) {
 //            setFullSpan(holder)
-            convertHeader(holder, data.getOrNull(position - headerLayoutCount))
+            convertHeader(holder, getItem(position - headerLayoutCount))
         } else {
             super.onBindViewHolder(holder, position)
         }
@@ -79,7 +79,7 @@ abstract class BaseSectionQuickAdapter<T : SectionEntity, VH : BaseViewHolder>
         }
 
         if (holder.itemViewType == SectionEntity.HEADER_TYPE) {
-            convertHeader(holder, data.getOrNull(position - headerLayoutCount), payloads)
+            convertHeader(holder, getItem(position - headerLayoutCount), payloads)
         } else {
             super.onBindViewHolder(holder, position, payloads)
         }