From 58cf9d38ea32958c139e9380e29710373ef9320a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BA=94=E7=A2=97=E9=A5=AD?= <ysn_2020@163.com>
Date: Sun, 21 Jul 2019 23:49:46 +0800
Subject: [PATCH] =?UTF-8?q?[=20+]=20ShadowDrawable=E5=A2=9E=E5=8A=A0?=
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---
 README_ShadowDrawable.md | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/README_ShadowDrawable.md b/README_ShadowDrawable.md
index d7ee68c..c893709 100644
--- a/README_ShadowDrawable.md
+++ b/README_ShadowDrawable.md
@@ -1,6 +1,29 @@
 # ShadowDrawable
 
-#### 使用说明
+## 效果预览
+
+| [ShadowDrawable]                      |
+| ------------------------------- |
+| [<img src="images/image1.png" height="512"/>][ShadowDrawable]   | |
+
+
+## 基本用法
+#### 1.java代码设置
+```java
+ShadowAttribute attrs = new ShadowAttribute()
+                .setShadowColor(getResources().getColor(R.color.valid_color))
+                .setRadius(20)
+                .setBackgroundColor(Color.TRANSPARENT)
+                .setShadowType(ShadowType.LEFT, ShadowType.TOP, ShadowType.RIGHT);
+ShadowDrawableUtils.setBackground(view, attrs);
+```
+
+
+## 注意事项
 1. 由于 setShadowLayer只有文字绘制阴影支持硬件加速，其它都不支持硬件加速, 故这里要关闭硬件加速
 2. 由于ALPHA_8只记录颜色的alpha值, 故使用xml颜色值时当阴影颜色时需要加上alpha, 否则无效
-3. 模糊半径为0是看不到阴影效果的
\ No newline at end of file
+3. 模糊半径为0是看不到阴影效果的
+
+
+
+[ShadowDrawable]:https://github.com/yangsanning/MultiDrawable/blob/master/README_ShadowDrawable.md