diff --git a/annotations.lua b/annotations.lua
index 444b870..dd4c507 100644
--- a/annotations.lua
+++ b/annotations.lua
@@ -304,7 +304,8 @@ function druid__checkbox_group.init(self, nodes, callback, click_nodes) end
 --- Set checkbox group state
 ---@param self druid.checkbox_group
 ---@param indexes bool[] Array of checkbox state
-function druid__checkbox_group.set_state(self, indexes) end
+---@param is_instant boolean If instant state change
+function druid__checkbox_group.set_state(self, indexes, is_instant) end
 
 
 ---@class druid.data_list : druid.base_component
@@ -687,7 +688,8 @@ function druid__radio_group.init(self, nodes, callback, click_nodes) end
 --- Set radio group state
 ---@param self druid.radio_group
 ---@param index number Index in radio group
-function druid__radio_group.set_state(self, index) end
+---@param is_instant boolean If is instant state change
+function druid__radio_group.set_state(self, index, is_instant) end
 
 
 ---@class druid.scroll : druid.base_component
diff --git a/docs/druid/archive/archive_files.json b/docs/druid/archive/archive_files.json
index c1fa088..4731d7b 100644
--- a/docs/druid/archive/archive_files.json
+++ b/docs/druid/archive/archive_files.json
@@ -1 +1 @@
-{"content":[{"name":"game.projectc","size":3748,"pieces":[{"name":"game.projectc0","offset":0}]},{"name":"game.arci","size":13488,"pieces":[{"name":"game.arci0","offset":0}]},{"name":"game.arcd","size":948337,"pieces":[{"name":"game.arcd0","offset":0}]},{"name":"game.dmanifest","size":13875,"pieces":[{"name":"game.dmanifest0","offset":0}]},{"name":"game.public.der","size":162,"pieces":[{"name":"game.public.der0","offset":0}]}]}
\ No newline at end of file
+{"content":[{"name":"game.projectc","size":3748,"pieces":[{"name":"game.projectc0","offset":0}]},{"name":"game.arci","size":13488,"pieces":[{"name":"game.arci0","offset":0}]},{"name":"game.arcd","size":948433,"pieces":[{"name":"game.arcd0","offset":0}]},{"name":"game.dmanifest","size":13875,"pieces":[{"name":"game.dmanifest0","offset":0}]},{"name":"game.public.der","size":162,"pieces":[{"name":"game.public.der0","offset":0}]}]}
\ No newline at end of file
diff --git a/docs/druid/archive/game.arcd0 b/docs/druid/archive/game.arcd0
index 53d2bc5..421d763 100644
Binary files a/docs/druid/archive/game.arcd0 and b/docs/druid/archive/game.arcd0 differ
diff --git a/docs/druid/archive/game.arci0 b/docs/druid/archive/game.arci0
index 986d2e3..106ac2e 100644
Binary files a/docs/druid/archive/game.arci0 and b/docs/druid/archive/game.arci0 differ
diff --git a/docs/druid/archive/game.dmanifest0 b/docs/druid/archive/game.dmanifest0
index b3ce450..0ab8c4a 100644
Binary files a/docs/druid/archive/game.dmanifest0 and b/docs/druid/archive/game.dmanifest0 differ
diff --git a/docs/druid/archive/game.projectc0 b/docs/druid/archive/game.projectc0
index bc89ecf..a5b3686 100644
--- a/docs/druid/archive/game.projectc0
+++ b/docs/druid/archive/game.projectc0
@@ -1,12 +1,12 @@
 [project]
 title = druid
-version = 0.8.518
+version = 0.8.519
 write_log = 0
 compress_archive = 1
 publisher = Insality
 developer = Insality
-commit_sha = a75dd5a6f9b00345cb370451b473df678a3fee7d
-build_time = 2022-02-12T15:00:03Z
+commit_sha = 4e0fd264b169693d088a47f2bb53376a1808fb1e
+build_time = 2022-02-12T15:15:53Z
 
 [display]
 width = 600
@@ -121,7 +121,7 @@ default_language = en
 localizations = en
 
 [android]
-version_code = 518
+version_code = 519
 minimum_sdk_version = 16
 target_sdk_version = 30
 package = com.insality.druid
diff --git a/docs/druid/archive/game.public.der0 b/docs/druid/archive/game.public.der0
index c07fb23..2037d44 100644
Binary files a/docs/druid/archive/game.public.der0 and b/docs/druid/archive/game.public.der0 differ
diff --git a/docs/druid/index.html b/docs/druid/index.html
index 18d1cf7..b7387af 100644
--- a/docs/druid/index.html
+++ b/docs/druid/index.html
@@ -7,7 +7,7 @@
 	<meta name="apple-mobile-web-app-capable" content="yes">
 	<!-- The above 4 meta tags *must* come first in the head; any other head content must come *after* these tags -->
 
-	<title>druid 0.8.518</title>
+	<title>druid 0.8.519</title>
 	<style type='text/css'>
 	/* Disable user selection to avoid strange bug in Chrome on Windows:
 	* Selecting a text outside the canvas, then clicking+draging would
diff --git a/docs/index.html b/docs/index.html
index ca67a7a..c008d1f 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -169,7 +169,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/BackHandler.html b/docs/modules/BackHandler.html
index 97e4a94..0a3710b 100644
--- a/docs/modules/BackHandler.html
+++ b/docs/modules/BackHandler.html
@@ -214,7 +214,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/BaseComponent.html b/docs/modules/BaseComponent.html
index a106423..525962d 100644
--- a/docs/modules/BaseComponent.html
+++ b/docs/modules/BaseComponent.html
@@ -608,7 +608,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Blocker.html b/docs/modules/Blocker.html
index 702f845..08cff22 100644
--- a/docs/modules/Blocker.html
+++ b/docs/modules/Blocker.html
@@ -212,7 +212,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Button.html b/docs/modules/Button.html
index 7d40a75..8a261e9 100644
--- a/docs/modules/Button.html
+++ b/docs/modules/Button.html
@@ -775,7 +775,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Checkbox.html b/docs/modules/Checkbox.html
index b545ae0..b166e30 100644
--- a/docs/modules/Checkbox.html
+++ b/docs/modules/Checkbox.html
@@ -342,7 +342,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/CheckboxGroup.html b/docs/modules/CheckboxGroup.html
index 94062a8..b03359a 100644
--- a/docs/modules/CheckboxGroup.html
+++ b/docs/modules/CheckboxGroup.html
@@ -81,7 +81,7 @@
 	<td class="summary">Component init function</td>
 	</tr>
 	<tr>
-	<td class="name" nowrap><a href="#set_state">set_state(self, indexes)</a></td>
+	<td class="name" nowrap><a href="#set_state">set_state(self, indexes, is_instant)</a></td>
 	<td class="summary">Set checkbox group state</td>
 	</tr>
 	<tr>
@@ -144,7 +144,7 @@
 </dd>
     <dt>
     <a name = "set_state"></a>
-    <strong>set_state(self, indexes)</strong>
+    <strong>set_state(self, indexes, is_instant)</strong>
     </dt>
     <dd>
     Set checkbox group state
@@ -160,6 +160,10 @@
             <span class="types"><span class="type">bool[]</span></span>
          Array of checkbox state
         </li>
+        <li><span class="parameter">is_instant</span>
+            <span class="types"><span class="type">boolean</span></span>
+         If instant state change
+        </li>
     </ul>
 
 
@@ -245,7 +249,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/DataList.html b/docs/modules/DataList.html
index e4ffdda..fa292e7 100644
--- a/docs/modules/DataList.html
+++ b/docs/modules/DataList.html
@@ -499,7 +499,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Drag.html b/docs/modules/Drag.html
index 6f4255a..ccbf823 100644
--- a/docs/modules/Drag.html
+++ b/docs/modules/Drag.html
@@ -489,7 +489,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/DruidEvent.html b/docs/modules/DruidEvent.html
index 6a03fb5..da9d7e1 100644
--- a/docs/modules/DruidEvent.html
+++ b/docs/modules/DruidEvent.html
@@ -271,7 +271,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/DruidInstance.html b/docs/modules/DruidInstance.html
index 4594aaf..af44da7 100644
--- a/docs/modules/DruidInstance.html
+++ b/docs/modules/DruidInstance.html
@@ -1365,7 +1365,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/DynamicGrid.html b/docs/modules/DynamicGrid.html
index a57d575..7f4e049 100644
--- a/docs/modules/DynamicGrid.html
+++ b/docs/modules/DynamicGrid.html
@@ -786,7 +786,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Hover.html b/docs/modules/Hover.html
index 8352f7f..5ea8bae 100644
--- a/docs/modules/Hover.html
+++ b/docs/modules/Hover.html
@@ -330,7 +330,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Input.html b/docs/modules/Input.html
index 0c4a2b9..d3f8f4a 100644
--- a/docs/modules/Input.html
+++ b/docs/modules/Input.html
@@ -688,7 +688,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/LangText.html b/docs/modules/LangText.html
index c0a0a0d..e88425a 100644
--- a/docs/modules/LangText.html
+++ b/docs/modules/LangText.html
@@ -294,7 +294,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Progress.html b/docs/modules/Progress.html
index 97d4cab..845ddc7 100644
--- a/docs/modules/Progress.html
+++ b/docs/modules/Progress.html
@@ -522,7 +522,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/RadioGroup.html b/docs/modules/RadioGroup.html
index 7c7fa63..91c5f9e 100644
--- a/docs/modules/RadioGroup.html
+++ b/docs/modules/RadioGroup.html
@@ -81,7 +81,7 @@
 	<td class="summary">Component init function</td>
 	</tr>
 	<tr>
-	<td class="name" nowrap><a href="#set_state">set_state(self, index)</a></td>
+	<td class="name" nowrap><a href="#set_state">set_state(self, index, is_instant)</a></td>
 	<td class="summary">Set radio group state</td>
 	</tr>
 	<tr>
@@ -144,7 +144,7 @@
 </dd>
     <dt>
     <a name = "set_state"></a>
-    <strong>set_state(self, index)</strong>
+    <strong>set_state(self, index, is_instant)</strong>
     </dt>
     <dd>
     Set radio group state
@@ -160,6 +160,10 @@
             <span class="types"><span class="type">number</span></span>
          Index in radio group
         </li>
+        <li><span class="parameter">is_instant</span>
+            <span class="types"><span class="type">boolean</span></span>
+         If is instant state change
+        </li>
     </ul>
 
 
@@ -245,7 +249,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Scroll.html b/docs/modules/Scroll.html
index 2a725b6..aefabf2 100644
--- a/docs/modules/Scroll.html
+++ b/docs/modules/Scroll.html
@@ -1118,7 +1118,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Slider.html b/docs/modules/Slider.html
index 2e7f258..5202d12 100644
--- a/docs/modules/Slider.html
+++ b/docs/modules/Slider.html
@@ -421,7 +421,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/StaticGrid.html b/docs/modules/StaticGrid.html
index 3ce0af6..5a104b6 100644
--- a/docs/modules/StaticGrid.html
+++ b/docs/modules/StaticGrid.html
@@ -882,7 +882,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Swipe.html b/docs/modules/Swipe.html
index 8478502..3a42194 100644
--- a/docs/modules/Swipe.html
+++ b/docs/modules/Swipe.html
@@ -283,7 +283,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Text.html b/docs/modules/Text.html
index ddc7c3c..56dadb0 100644
--- a/docs/modules/Text.html
+++ b/docs/modules/Text.html
@@ -814,7 +814,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/Timer.html b/docs/modules/Timer.html
index 413f46e..952d607 100644
--- a/docs/modules/Timer.html
+++ b/docs/modules/Timer.html
@@ -403,7 +403,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/druid.helper.html b/docs/modules/druid.helper.html
index 303f3f6..0b86c9e 100644
--- a/docs/modules/druid.helper.html
+++ b/docs/modules/druid.helper.html
@@ -387,7 +387,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/druid.html b/docs/modules/druid.html
index 6a52902..27c15b9 100644
--- a/docs/modules/druid.html
+++ b/docs/modules/druid.html
@@ -314,7 +314,7 @@
 </div> <!-- id="main" -->
 <div id="about">
 <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2022-02-12 16:59:51 </i>
+<i style="float:right;">Last updated 2022-02-12 17:16:44 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs_md/changelog.md b/docs_md/changelog.md
index 4a9a0c8..5099d27 100644
--- a/docs_md/changelog.md
+++ b/docs_md/changelog.md
@@ -293,7 +293,7 @@ Have a nice day!
 	- The component interests now setup via function declaration inside your components. The functions are still the same.
 	- Now `component.create` function have next signature: _create(component_name, input_priority)_
 	- Your should remove interests list from your custom components if exists
-		- From `component.create("custom", { component.ON_INPUT, component.ON_LATE_INIT }, const.PRIORITY_INPUT_HIGH)` to 
+		- From `component.create("custom", { component.ON_INPUT, component.ON_LATE_INIT }, const.PRIORITY_INPUT_HIGH)` to
 `component.create("custom", const.PRIORITY_INPUT_HIGH)`
 -  **#166**  [Input] Fix issue with Cyrillic symbols in range "[А-я]"
 -  **#162** [Static Grid] Add last row alignment with dynamic content poses enabled
@@ -309,6 +309,7 @@ Have a nice day!
 -  [Input] Add current text argument to _on_input_unselect_ event
 -  **#152**  [Checkbox] Add _is_instant_ argument to  `set_state` function
 	- Add _initial_state_ argument to Checkbox component constructor
+	- Update Checkbox style, add _is_instant_ param
 -  **#149**  [Button] Call button style functions after actual callback
 -  **#153** System: Mode Druid acquire input to late_init step
 	- Required to solve issues, when go input acquire can be later, when gui input acquire (on init step)
diff --git a/druid/extended/checkbox_group.lua b/druid/extended/checkbox_group.lua
index 2744f1c..a9fbefe 100644
--- a/druid/extended/checkbox_group.lua
+++ b/druid/extended/checkbox_group.lua
@@ -44,10 +44,11 @@ end
 --- Set checkbox group state
 -- @tparam CheckboxGroup self
 -- @tparam bool[] indexes Array of checkbox state
-function CheckboxGroup.set_state(self, indexes)
+-- @tparam boolean is_instant If instant state change
+function CheckboxGroup.set_state(self, indexes, is_instant)
 	for i = 1, #indexes do
 		if self.checkboxes[i] then
-			self.checkboxes[i]:set_state(indexes[i], true)
+			self.checkboxes[i]:set_state(indexes[i], true, is_instant)
 		end
 	end
 end
diff --git a/druid/extended/radio_group.lua b/druid/extended/radio_group.lua
index c482bff..7ff0a4d 100644
--- a/druid/extended/radio_group.lua
+++ b/druid/extended/radio_group.lua
@@ -19,9 +19,9 @@ local component = require("druid.component")
 local RadioGroup = component.create("radio_group")
 
 
-local function on_checkbox_click(self, index)
+local function on_checkbox_click(self, index, is_instant)
 	for i = 1, #self.checkboxes do
-		self.checkboxes[i]:set_state(i == index, true)
+		self.checkboxes[i]:set_state(i == index, true, is_instant)
 	end
 
 	self.on_radio_click:trigger(self:get_context(), index)
@@ -53,8 +53,9 @@ end
 --- Set radio group state
 -- @tparam RadioGroup self
 -- @tparam number index Index in radio group
-function RadioGroup.set_state(self, index)
-	on_checkbox_click(self, index)
+-- @tparam boolean is_instant If is instant state change
+function RadioGroup.set_state(self, index, is_instant)
+	on_checkbox_click(self, index, is_instant)
 end
 
 
diff --git a/druid/styles/default/style.lua b/druid/styles/default/style.lua
index 791cd51..2588636 100644
--- a/druid/styles/default/style.lua
+++ b/druid/styles/default/style.lua
@@ -88,9 +88,15 @@ M["progress"] = {
 
 
 M["checkbox"] = {
-	on_change_state = function(self, node, state)
+	on_change_state = function(self, node, state, is_instant)
 		local target = state and 1 or 0
-		gui.animate(node, "color.w", target, gui.EASING_OUTSINE, 0.1)
+		if not is_instant then
+			gui.animate(node, "color.w", target, gui.EASING_OUTSINE, 0.1)
+		else
+			local color = gui.get_color(node)
+			color.w = target
+			gui.set_color(node, color)
+		end
 	end
 }
 
diff --git a/example/examples/general/overview/overview.gui_script b/example/examples/general/overview/overview.gui_script
index e01f846..f0ded90 100644
--- a/example/examples/general/overview/overview.gui_script
+++ b/example/examples/general/overview/overview.gui_script
@@ -69,8 +69,8 @@ local function setup_checkbox(self)
 		nil,
 		{"checkbox1/back", "checkbox2/back", "checkbox3/back"})
 
-	radio_group:set_state(2)
-	checkbox_group:set_state({true, false, true})
+	radio_group:set_state(2, true)
+	checkbox_group:set_state({true, false, true}, true)
 end