시리즈 전체보기

아이템 세로 간격 수정

app/src/main/java/kr/co/vividnext/sodalive/common/DifferentSpacingItemDecoration.kt

@@ -0,0 +1,39 @@
+package kr.co.vividnext.sodalive.common
+
+import android.graphics.Rect
+import android.view.View
+import androidx.recyclerview.widget.RecyclerView
+
+class DifferentSpacingItemDecoration(
+    private val spanCount: Int,
+    private val horizontalSpacing: Int,
+    private val verticalSpacing: Int,
+    private val includeEdge: Boolean
+) : RecyclerView.ItemDecoration() {
+    override fun getItemOffsets(
+        outRect: Rect,
+        view: View,
+        parent: RecyclerView,
+        state: RecyclerView.State
+    ) {
+        val position = parent.getChildAdapterPosition(view) // 아이템의 위치
+        val column = position % spanCount // 아이템의 열 위치
+
+        if (includeEdge) {
+            outRect.left = horizontalSpacing - column * horizontalSpacing / spanCount
+            outRect.right = (column + 1) * horizontalSpacing / spanCount
+
+            if (position < spanCount) {
+                outRect.top = verticalSpacing
+            }
+            outRect.bottom = verticalSpacing
+        } else {
+            outRect.left = column * horizontalSpacing / spanCount
+            outRect.right = horizontalSpacing - (column + 1) * horizontalSpacing / spanCount
+
+            if (position >= spanCount) {
+                outRect.top = verticalSpacing
+            }
+        }
+    }
+}