diff --git a/library/src/main/java/com/lijiankun24/shadowlayout/ShadowLayout.java b/library/src/main/java/com/lijiankun24/shadowlayout/ShadowLayout.java
index 75dc5711d55f2afff8971978c7856aca10c7c05a..fe5989c0e5b0dc53d2c43984ff38e191899b37a3 100644
--- a/library/src/main/java/com/lijiankun24/shadowlayout/ShadowLayout.java
+++ b/library/src/main/java/com/lijiankun24/shadowlayout/ShadowLayout.java
@@ -133,6 +133,19 @@ public class ShadowLayout extends DependentLayout implements Component.EstimateS
         super(context);
     }
 
+    /**
+     * 有参构造
+     *
+     * @param context
+     * @param attrs
+     */
+    public ShadowLayout(Context context, AttrSet attrs) {
+        super(context, attrs);
+        init(attrs);
+        setEstimateSizeListener(this);
+        addDrawTask(this);
+    }
+
     /**
      * 有参构造
      *
diff --git a/library/src/main/java/com/lijiankun24/shadowlayout/v2/ShadowLayout.java b/library/src/main/java/com/lijiankun24/shadowlayout/v2/ShadowLayout.java
index c35bf44c67d3a5b24d91b29c2e2158fe24452a20..439c8a06843923cb1e660750ba7691e039e575c9 100644
--- a/library/src/main/java/com/lijiankun24/shadowlayout/v2/ShadowLayout.java
+++ b/library/src/main/java/com/lijiankun24/shadowlayout/v2/ShadowLayout.java
@@ -140,6 +140,19 @@ public class ShadowLayout extends StackLayout implements Component.EstimateSizeL
         super(context);
     }
 
+    /**
+     * 有参构造
+     *
+     * @param context
+     * @param attrSet
+     */
+    public ShadowLayout(Context context, AttrSet attrSet) {
+        super(context, attrSet);
+        initialize(attrSet);
+        setEstimateSizeListener(this);
+        addDrawTask(this);
+    }
+
     /**
      * 有参构造
      *