diff --git a/example/ios/Flutter/.last_build_id b/example/ios/Flutter/.last_build_id
new file mode 100644
index 0000000..5c8cb4b
--- /dev/null
+++ b/example/ios/Flutter/.last_build_id
@@ -0,0 +1 @@
+a3c81953453de1dc1b5b6fdbfa1e257c
\ No newline at end of file
diff --git a/example/ios/Runner.xcodeproj/project.pbxproj b/example/ios/Runner.xcodeproj/project.pbxproj
index 5f1bf4c..d59cc08 100644
--- a/example/ios/Runner.xcodeproj/project.pbxproj
+++ b/example/ios/Runner.xcodeproj/project.pbxproj
@@ -241,7 +241,6 @@
 /* Begin XCBuildConfiguration section */
 		249021D3217E4FDB00AE95B9 /* Profile */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
@@ -318,7 +317,6 @@
 		};
 		97C147031CF9000F007C117D /* Debug */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
@@ -374,7 +372,6 @@
 		};
 		97C147041CF9000F007C117D /* Release */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
diff --git a/lib/animated_icon_button.dart b/lib/animated_icon_button.dart
index 177968c..0854084 100644
--- a/lib/animated_icon_button.dart
+++ b/lib/animated_icon_button.dart
@@ -141,6 +141,12 @@ class AnimatedIconButton extends StatefulWidget {
   /// background color whenever [AnimatedIconButton] is pressed.
   final AnimationController animationController;
 
+  /// The splash radius.
+  ///
+  /// If null, default splash radius of [Material.defaultSplashRadius] is used.
+  /// Field of IconButton
+  final double splashRadius;
+
   AnimatedIconButton({
     Key key,
     this.size,
@@ -164,6 +170,7 @@ class AnimatedIconButton extends StatefulWidget {
     this.endBackgroundColor,
     this.startBackgroundColor,
     this.animationController,
+    this.splashRadius,
   });
   @override
   _AnimatedIconButtonState createState() => _AnimatedIconButtonState(
@@ -188,6 +195,7 @@ class AnimatedIconButton extends StatefulWidget {
         endBackgroundColor: this.endBackgroundColor,
         startBackgroundColor: this.startBackgroundColor,
         animationController: this.animationController,
+        splashRadius: this.splashRadius,
       );
 }
 
@@ -215,6 +223,7 @@ class _AnimatedIconButtonState extends State<AnimatedIconButton>
     this.endBackgroundColor,
     this.startBackgroundColor,
     this.animationController,
+    this.splashRadius,
   });
   double size;
   Icon startIcon;
@@ -237,6 +246,7 @@ class _AnimatedIconButtonState extends State<AnimatedIconButton>
   EdgeInsets padding;
   Alignment alignment;
   AnimationController animationController;
+  double splashRadius;
 
   bool hasCustomAnimationController;
   Icon nowIcon;
@@ -351,6 +361,7 @@ class _AnimatedIconButtonState extends State<AnimatedIconButton>
       visualDensity: visualDensity,
       padding: padding ?? const EdgeInsets.all(8.0),
       alignment: alignment ?? Alignment.center,
+      splashRadius: splashRadius,
     );
   }
 }