增加 headerFooterAdapter#getFixedPosition 方法

AlanCheen · Oct 18, 2022 · 11d4044 · 11d4044
1 parent 620a0ae
commit 11d4044
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Showing 2 changed files with 8 additions and 3 deletions.
diff --git a/app/src/main/java/me/yifeiyuan/flapdev/testcases/HeaderFooterTestcase.kt b/app/src/main/java/me/yifeiyuan/flapdev/testcases/HeaderFooterTestcase.kt
@@ -53,7 +53,8 @@ class HeaderFooterTestcase : BaseTestcaseFragment() {
                 toast("点击了 position = $position，是 Footer!")
                 return@doOnItemClick
             }
-            val realPosition = if (position == 0) position else position - headerFooterAdapter.getHeaderCount()
+            val realPosition = headerFooterAdapter.getFixedPosition(position)
+//            val realPosition = if (position == 0) position else position - headerFooterAdapter.getHeaderCount()
             toast("点击了 position = $position，model=${adapter.getItemData(realPosition)}")
         }
 

diff --git a/flap/src/main/java/me/yifeiyuan/flap/ext/HeaderFooterAdapter.kt b/flap/src/main/java/me/yifeiyuan/flap/ext/HeaderFooterAdapter.kt
@@ -126,9 +126,9 @@ class HeaderFooterAdapter(var adapter: FlapAdapter) : RecyclerView.Adapter<Recyc
                     val preSpanSizeLookup = spanSizeLookup
                     spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() {
                         override fun getSpanSize(position: Int): Int {
-                            if (this@HeaderFooterAdapter.isHeaderOrFooter(position)){
+                            if (this@HeaderFooterAdapter.isHeaderOrFooter(position)) {
                                 return spanCount
-                            }else {
+                            } else {
                                 return preSpanSizeLookup?.getSpanSize(position) ?: 1
                             }
                         }
@@ -237,6 +237,10 @@ class HeaderFooterAdapter(var adapter: FlapAdapter) : RecyclerView.Adapter<Recyc
         }
         return adapter.isStickyHeader(position - getHeaderCount())
     }
+
+    fun getFixedPosition(position: Int): Int {
+        return if (position == 0) position else position - getHeaderCount()
+    }
 }
 
 const val ITEM_VIEW_TYPE_HEADER = 2123321000