#6 feat/홈 : 리스트에 필요한 DividerItemDecoration 추가

app/src/main/java/com/ftw/hometerview/adapter/DividerItemDecoration.kt

@@ -0,0 +1,51 @@
+package com.ftw.hometerview.adapter
+
+import android.content.Context
+import android.graphics.Canvas
+import android.graphics.Paint
+import android.graphics.Rect
+import android.view.View
+import androidx.annotation.ColorInt
+import androidx.core.content.ContextCompat
+import androidx.core.view.children
+import androidx.recyclerview.widget.RecyclerView
+import com.ftw.hometerview.R
+
+class DividerItemDecoration(
+    context: Context,
+    @ColorInt private val colorResId: Int = com.ftw.hometerview.design.R.color.gray_200
+) : RecyclerView.ItemDecoration() {
+
+    private val dividerHeight: Int = context.resources.getDimensionPixelSize(R.dimen.dp_size_1)
+    private val horizontalMargin: Int = context.resources.getDimensionPixelSize(R.dimen.dp_size_14)
+
+    private val paint = Paint().apply {
+        this.color = ContextCompat.getColor(context, colorResId)
+    }
+
+    override fun getItemOffsets(
+        outRect: Rect,
+        view: View,
+        parent: RecyclerView,
+        state: RecyclerView.State
+    ) {
+        outRect.set(0, 0, 0, dividerHeight)
+    }
+
+    override fun onDraw(c: Canvas, parent: RecyclerView, state: RecyclerView.State) {
+        c.save()
+        parent.children
+            .forEach { children ->
+                c.drawRect(
+                    Rect(
+                        children.left + horizontalMargin,
+                        children.bottom + dividerHeight,
+                        children.right - horizontalMargin,
+                        children.bottom
+                    ),
+                    paint
+                )
+            }
+        c.restore()
+    }
+}