test RecyclerView alpha

2 years ago · 2975a61e14
parent 86b9f5159a
commit 2975a61e14
1 changed files with 3 additions and 0 deletions
--- a/app/src/main/java/com/lizongying/mytv/GrayOverlayItemDecoration.kt
+++ b/app/src/main/java/com/lizongying/mytv/GrayOverlayItemDecoration.kt
@ -22,6 +22,7 @@ class GrayOverlayItemDecoration(private val context: Context) : RecyclerView.Ite
        for (i in 0 until childCount) {
            val child = parent.getChildAt(i)
            if (!child.hasFocus()) {
+//                child.alpha = 0.7f
                // 计算遮罩层的大小
                val overlayRect = Rect(
                    child.left,
@ -31,6 +32,8 @@ class GrayOverlayItemDecoration(private val context: Context) : RecyclerView.Ite
                )
                // 绘制灰色遮罩层
                c.drawRect(overlayRect, grayOverlayPaint)
+            } else {
+//                child.alpha = 1f
            }
        }
    }