1.0.1 fix day bug when changing month

.idea/workspace.xml

@@ -2,7 +2,11 @@
 <project version="4">
   <component name="ChangeListManager">
     <list default="true" id="4ca5d027-8e00-4d4c-ab69-69171c049d48" name="Default" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" afterPath="$PROJECT_DIR$/.idea/workspace.xml" />
       <change beforePath="$PROJECT_DIR$/CHANGELOG.md" afterPath="$PROJECT_DIR$/CHANGELOG.md" />
+      <change beforePath="$PROJECT_DIR$/example/pubspec.lock" afterPath="$PROJECT_DIR$/example/pubspec.lock" />
+      <change beforePath="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" afterPath="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" />
+      <change beforePath="$PROJECT_DIR$/lib/src/dateModel.dart" afterPath="$PROJECT_DIR$/lib/src/dateModel.dart" />
       <change beforePath="$PROJECT_DIR$/pubspec.yaml" afterPath="$PROJECT_DIR$/pubspec.yaml" />
     </list>
     <ignored path="$PROJECT_DIR$/.dart_tool/" />
@@ -18,45 +22,45 @@
   </component>
   <component name="FileEditorManager">
     <leaf SIDE_TABS_SIZE_LIMIT_KEY="375">
-      <file leaf-file-name="main.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="1482">
-              <caret line="79" column="18" lean-forward="true" selection-start-line="79" selection-start-column="18" selection-end-line="79" selection-end-column="18" />
-              <folding />
-            </state>
-          </provider>
-        </entry>
-      </file>
       <file leaf-file-name="flutter_datetime_picker.dart" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/lib/flutter_datetime_picker.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="323">
-              <caret line="17" column="38" lean-forward="false" selection-start-line="17" selection-start-column="38" selection-end-line="17" selection-end-column="38" />
+            <state relative-caret-position="972">
+              <caret line="393" column="48" lean-forward="false" selection-start-line="393" selection-start-column="48" selection-end-line="393" selection-end-column="48" />
               <folding>
                 <element signature="e#34#94#0" expanded="true" />
-                <marker date="1536046277905" expanded="true" signature="853:1085" ph="(...)" />
+                <marker date="1536637236740" expanded="true" signature="853:1085" ph="(...)" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="pubspec.yaml" pinned="false" current-in-tab="true">
+      <file leaf-file-name="list_wheel_scroll_view.dart" pinned="false" current-in-tab="false">
+        <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/list_wheel_scroll_view.dart">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="472">
+              <caret line="719" column="12" lean-forward="true" selection-start-line="719" selection-start-column="12" selection-end-line="719" selection-end-column="51" />
+              <folding />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="pubspec.yaml" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/pubspec.yaml">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="38">
-              <caret line="2" column="14" lean-forward="false" selection-start-line="2" selection-start-column="14" selection-end-line="2" selection-end-column="14" />
+            <state relative-caret-position="190">
+              <caret line="10" column="10" lean-forward="true" selection-start-line="10" selection-start-column="10" selection-end-line="10" selection-end-column="10" />
               <folding />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="README.md" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/README.md">
+      <file leaf-file-name="CHANGELOG.md" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
           <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
             <state split_layout="SPLIT">
-              <first_editor relative-caret-position="171">
-                <caret line="9" column="99" lean-forward="false" selection-start-line="9" selection-start-column="99" selection-end-line="9" selection-end-column="99" />
+              <first_editor relative-caret-position="228">
+                <caret line="12" column="44" lean-forward="false" selection-start-line="12" selection-start-column="44" selection-end-line="12" selection-end-column="44" />
                 <folding />
               </first_editor>
               <second_editor>
@@ -66,12 +70,12 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="CHANGELOG.md" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
+      <file leaf-file-name="README.md" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/README.md">
           <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
             <state split_layout="SPLIT">
-              <first_editor relative-caret-position="95">
-                <caret line="5" column="6" lean-forward="true" selection-start-line="5" selection-start-column="6" selection-end-line="5" selection-end-column="6" />
+              <first_editor relative-caret-position="304">
+                <caret line="16" column="19" lean-forward="true" selection-start-line="16" selection-start-column="19" selection-end-line="16" selection-end-column="19" />
                 <folding />
               </first_editor>
               <second_editor>
@@ -81,38 +85,32 @@
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="screen_time.png" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/screen_time.png">
+      <file leaf-file-name="screen_date.png" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/screen_date.png">
           <provider selected="true" editor-type-id="images">
             <state />
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="flutter_datetime_picker.iml" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/flutter_datetime_picker.iml">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="0">
-              <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-              <folding />
-            </state>
+      <file leaf-file-name="screen_time.png" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/screen_time.png">
+          <provider selected="true" editor-type-id="images">
+            <state />
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="flutter_datetime_picker_test.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/test/flutter_datetime_picker_test.dart">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="114">
-              <caret line="6" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="6" selection-end-column="0" />
-              <folding />
-            </state>
+      <file leaf-file-name="screen_datetime_chinese.png" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/screen_datetime_chinese.png">
+          <provider selected="true" editor-type-id="images">
+            <state />
           </provider>
         </entry>
       </file>
       <file leaf-file-name="dateModel.dart" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/lib/src/dateModel.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="589">
-              <caret line="31" column="9" lean-forward="false" selection-start-line="31" selection-start-column="9" selection-end-line="31" selection-end-column="9" />
+            <state relative-caret-position="470">
+              <caret line="174" column="39" lean-forward="false" selection-start-line="174" selection-start-column="39" selection-end-line="174" selection-end-column="39" />
               <folding />
             </state>
           </provider>
@@ -121,11 +119,9 @@
       <file leaf-file-name="date_format.dart" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/lib/src/date_format.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="4826">
-              <caret line="254" column="32" lean-forward="true" selection-start-line="254" selection-start-column="32" selection-end-line="254" selection-end-column="32" />
-              <folding>
-                <marker date="1536046277955" expanded="true" signature="10224:10241" ph="(...)" />
-              </folding>
+            <state relative-caret-position="589">
+              <caret line="241" column="38" lean-forward="false" selection-start-line="241" selection-start-column="38" selection-end-line="241" selection-end-column="38" />
+              <folding />
             </state>
           </provider>
         </entry>
@@ -150,6 +146,9 @@
       <find>_digits</find>
       <find>finalTime</find>
       <find>for</find>
+      <find>stringAtIndexCB</find>
+      <find>FixedExtentMetrics</find>
+      <find>_renderColumnView</find>
     </findStrings>
   </component>
   <component name="Git.Settings">
@@ -170,15 +169,17 @@
         <option value="$PROJECT_DIR$/lib/date_format.dart" />
         <option value="$PROJECT_DIR$/lib/src/date_format.dart" />
         <option value="$PROJECT_DIR$/example/lib/main.dart" />
-        <option value="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" />
-        <option value="$PROJECT_DIR$/lib/src/dateModel.dart" />
         <option value="$PROJECT_DIR$/README.md" />
+        <option value="$USER_HOME$/flutter/packages/flutter/lib/src/widgets/list_wheel_scroll_view.dart" />
+        <option value="$PROJECT_DIR$/lib/src/dateModel.dart" />
+        <option value="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" />
         <option value="$PROJECT_DIR$/pubspec.yaml" />
         <option value="$PROJECT_DIR$/CHANGELOG.md" />
       </list>
     </option>
   </component>
   <component name="ProjectFrameBounds" extendedState="6">
+    <option name="x" value="-1" />
     <option name="y" value="23" />
     <option name="width" value="2560" />
     <option name="height" value="1417" />
@@ -201,8 +202,9 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="PackagesPane" />
+      <pane id="Scope" />
       <pane id="Scratches" />
+      <pane id="PackagesPane" />
       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -221,6 +223,17 @@
               <item name="example" type="462c0819:PsiDirectoryNode" />
               <item name="lib" type="462c0819:PsiDirectoryNode" />
             </path>
+            <path>
+              <item name="flutter_datetime_picker" type="b2602c69:ProjectViewProjectNode" />
+              <item name="flutter_datetime_picker" type="462c0819:PsiDirectoryNode" />
+              <item name="lib" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="flutter_datetime_picker" type="b2602c69:ProjectViewProjectNode" />
+              <item name="flutter_datetime_picker" type="462c0819:PsiDirectoryNode" />
+              <item name="lib" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+            </path>
             <path>
               <item name="flutter_datetime_picker" type="b2602c69:ProjectViewProjectNode" />
               <item name="External Libraries" type="cb654da1:ExternalLibrariesNode" />
@@ -231,7 +244,6 @@
         <option name="show-excluded-files" value="false" />
       </pane>
       <pane id="AndroidView" />
-      <pane id="Scope" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -464,29 +476,29 @@
     <editor active="true" />
     <layout>
       <window_info id="TODO" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
-      <window_info id="Palette&#9;" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Image Layers" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.31975403" sideWeight="0.5" order="11" side_tool="false" content_ui="tabs" />
+      <window_info id="Palette&#9;" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Image Layers" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
+      <window_info id="Capture Analysis" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Event Log" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.1360492" sideWeight="0.5015949" order="7" side_tool="true" content_ui="tabs" />
-      <window_info id="Dart Analysis" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.1360492" sideWeight="0.4984051" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.2313605" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.3520369" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
-      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.23827825" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
+      <window_info id="Dart Analysis" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.1360492" sideWeight="0.4984051" order="8" side_tool="false" content_ui="tabs" />
+      <window_info id="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.023059186" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
+      <window_info id="Version Control" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.3520369" sideWeight="0.5" order="9" side_tool="false" content_ui="tabs" />
+      <window_info id="Terminal" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.073020756" sideWeight="0.5" order="10" side_tool="false" content_ui="tabs" />
       <window_info id="Flutter Outline" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.18221691" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
       <window_info id="Capture Tool" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="false" content_ui="tabs" />
-      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.1969697" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
+      <window_info id="Designer" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+      <window_info id="Project" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.20095694" sideWeight="0.5" order="0" side_tool="false" content_ui="combo" />
       <window_info id="Structure" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Theme Preview" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33589548" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
-      <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="2" side_tool="true" content_ui="tabs" />
-      <window_info id="Flutter Inspector" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32974482" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+      <window_info id="Theme Preview" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
+      <window_info id="Debug" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.26210606" sideWeight="0.5" order="3" side_tool="false" content_ui="tabs" />
+      <window_info id="Favorites" active="false" anchor="left" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="4" side_tool="true" content_ui="tabs" />
+      <window_info id="Flutter Inspector" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.32974482" sideWeight="0.5" order="6" side_tool="false" content_ui="tabs" />
       <window_info id="Cvs" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="4" side_tool="false" content_ui="tabs" />
       <window_info id="Message" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Commander" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="0" side_tool="false" content_ui="tabs" />
       <window_info id="Hierarchy" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="2" side_tool="false" content_ui="combo" />
       <window_info id="Ant Build" active="false" anchor="right" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.25" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
-      <window_info id="Messages" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.31975403" sideWeight="0.5" order="7" side_tool="false" content_ui="tabs" />
       <window_info id="Inspection" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.4" sideWeight="0.5" order="5" side_tool="false" content_ui="tabs" />
       <window_info id="Find" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="false" show_stripe_button="true" weight="0.33" sideWeight="0.5" order="1" side_tool="false" content_ui="tabs" />
     </layout>
@@ -504,88 +516,11 @@
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
-      <option name="time" value="9" />
+      <option name="time" value="11" />
     </breakpoint-manager>
     <watches-manager />
   </component>
   <component name="editorHistoryManager">
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
-        <state split_layout="SPLIT">
-          <first_editor relative-caret-position="76">
-            <caret line="4" column="130" lean-forward="false" selection-start-line="4" selection-start-column="39" selection-end-line="4" selection-end-column="130" />
-            <folding />
-          </first_editor>
-          <second_editor>
-            <markdownNavigatorState />
-          </second_editor>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1368">
-          <caret line="73" column="23" lean-forward="true" selection-start-line="73" selection-start-column="23" selection-end-line="73" selection-end-column="23" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/flutter_datetime_picker.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="266">
-          <caret line="17" column="38" lean-forward="false" selection-start-line="17" selection-start-column="38" selection-end-line="17" selection-end-column="38" />
-          <folding>
-            <element signature="e#34#94#0" expanded="true" />
-            <marker date="1536046277905" expanded="true" signature="853:1085" ph="(...)" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="38">
-          <caret line="2" column="14" lean-forward="false" selection-start-line="2" selection-start-column="14" selection-end-line="2" selection-end-column="14" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
-        <state split_layout="SPLIT">
-          <first_editor relative-caret-position="76">
-            <caret line="4" column="130" lean-forward="false" selection-start-line="4" selection-start-column="39" selection-end-line="4" selection-end-column="130" />
-            <folding />
-          </first_editor>
-          <second_editor>
-            <markdownNavigatorState />
-          </second_editor>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/flutter_datetime_picker.iml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="0">
-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/pubspec.lock">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="0">
-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/test/flutter_datetime_picker_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="114">
-          <caret line="6" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="6" selection-end-column="0" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/lib/src/dateModel.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="589">
@@ -598,9 +533,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="4788">
           <caret line="252" column="32" lean-forward="true" selection-start-line="252" selection-start-column="32" selection-end-line="252" selection-end-column="32" />
-          <folding>
-            <marker date="1536046277955" expanded="true" signature="10224:10241" ph="(...)" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
@@ -631,7 +564,7 @@
           <caret line="17" column="38" lean-forward="false" selection-start-line="17" selection-start-column="38" selection-end-line="17" selection-end-column="38" />
           <folding>
             <element signature="e#34#94#0" expanded="true" />
-            <marker date="1536046277905" expanded="true" signature="853:1085" ph="(...)" />
+            <marker date="1536637236740" expanded="true" signature="853:1085" ph="(...)" />
           </folding>
         </state>
       </provider>
@@ -674,7 +607,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
           <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -689,7 +621,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="114">
           <caret line="6" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="6" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -697,9 +628,7 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="4788">
           <caret line="252" column="32" lean-forward="true" selection-start-line="252" selection-start-column="32" selection-end-line="252" selection-end-column="32" />
-          <folding>
-            <marker date="1536046277955" expanded="true" signature="10224:10241" ph="(...)" />
-          </folding>
+          <folding />
         </state>
       </provider>
     </entry>
@@ -732,7 +661,7 @@
           <caret line="262" column="0" lean-forward="false" selection-start-line="262" selection-start-column="0" selection-end-line="276" selection-end-column="3" />
           <folding>
             <element signature="e#34#94#0" expanded="true" />
-            <marker date="1536046277905" expanded="true" signature="853:1085" ph="(...)" />
+            <marker date="1536637236740" expanded="true" signature="853:1085" ph="(...)" />
           </folding>
         </state>
       </provider>
@@ -777,7 +706,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="95">
           <caret line="5" column="0" lean-forward="false" selection-start-line="5" selection-start-column="0" selection-end-line="5" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -788,13 +716,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/list_wheel_scroll_view.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="3629">
-          <caret line="211" column="2" lean-forward="false" selection-start-line="211" selection-start-column="2" selection-end-line="211" selection-end-column="2" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/framework.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="68438">
@@ -802,13 +723,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/cupertino/picker.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1520">
-          <caret line="85" column="18" lean-forward="false" selection-start-line="85" selection-start-column="18" selection-end-line="85" selection-end-column="18" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/pattern.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="450">
@@ -841,7 +755,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="0">
           <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -849,7 +762,6 @@
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="114">
           <caret line="6" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="6" selection-end-column="0" />
-          <folding />
         </state>
       </provider>
     </entry>
@@ -863,53 +775,125 @@
     </entry>
     <entry file="file://$PROJECT_DIR$/time.png" />
     <entry file="file://$PROJECT_DIR$/date.png" />
-    <entry file="file://$PROJECT_DIR$/lib/flutter_datetime_picker.dart">
+    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/string_buffer.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="323">
-          <caret line="17" column="38" lean-forward="false" selection-start-line="17" selection-start-column="38" selection-end-line="17" selection-end-column="38" />
-          <folding>
-            <element signature="e#34#94#0" expanded="true" />
-            <marker date="1536046277905" expanded="true" signature="853:1085" ph="(...)" />
-          </folding>
+        <state relative-caret-position="247">
+          <caret line="15" column="11" lean-forward="false" selection-start-line="15" selection-start-column="11" selection-end-line="15" selection-end-column="11" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="225">
+          <caret line="39" column="35" lean-forward="false" selection-start-line="39" selection-start-column="35" selection-end-line="39" selection-end-column="35" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/foundation/change_notifier.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="-177">
+          <caret line="54" column="6" lean-forward="false" selection-start-line="54" selection-start-column="6" selection-end-line="54" selection-end-column="6" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/scroll_controller.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="385">
+          <caret line="45" column="36" lean-forward="false" selection-start-line="45" selection-start-column="36" selection-end-line="45" selection-end-column="36" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/cupertino/picker.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="822">
+          <caret line="246" column="36" lean-forward="false" selection-start-line="246" selection-start-column="36" selection-end-line="246" selection-end-column="36" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/notification_listener.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="676">
+          <caret line="88" column="18" lean-forward="false" selection-start-line="88" selection-start-column="18" selection-end-line="88" selection-end-column="18" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/scroll_notification.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="19">
+          <caret line="142" column="6" lean-forward="false" selection-start-line="142" selection-start-column="6" selection-end-line="142" selection-end-column="6" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/scroll_metrics.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="588">
+          <caret line="117" column="41" lean-forward="false" selection-start-line="117" selection-start-column="41" selection-end-line="117" selection-end-column="41" />
+          <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/lib/src/date_format.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="4826">
-          <caret line="254" column="32" lean-forward="true" selection-start-line="254" selection-start-column="32" selection-end-line="254" selection-end-column="32" />
-          <folding>
-            <marker date="1536046277955" expanded="true" signature="10224:10241" ph="(...)" />
-          </folding>
+        <state relative-caret-position="589">
+          <caret line="241" column="38" lean-forward="false" selection-start-line="241" selection-start-column="38" selection-end-line="241" selection-end-column="38" />
+          <folding />
         </state>
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/lib/src/dateModel.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="589">
-          <caret line="31" column="9" lean-forward="false" selection-start-line="31" selection-start-column="9" selection-end-line="31" selection-end-column="9" />
+        <state relative-caret-position="470">
+          <caret line="174" column="39" lean-forward="false" selection-start-line="174" selection-start-column="39" selection-end-line="174" selection-end-column="39" />
           <folding />
         </state>
       </provider>
     </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/list_wheel_scroll_view.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="472">
+          <caret line="719" column="12" lean-forward="true" selection-start-line="719" selection-start-column="12" selection-end-line="719" selection-end-column="51" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/flutter_datetime_picker.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="972">
+          <caret line="393" column="48" lean-forward="false" selection-start-line="393" selection-start-column="48" selection-end-line="393" selection-end-column="48" />
+          <folding>
+            <element signature="e#34#94#0" expanded="true" />
+            <marker date="1536637236740" expanded="true" signature="853:1085" ph="(...)" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/screen_datetime_chinese.png">
+      <provider selected="true" editor-type-id="images">
+        <state />
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/screen_time.png">
       <provider selected="true" editor-type-id="images">
         <state />
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1482">
-          <caret line="79" column="18" lean-forward="true" selection-start-line="79" selection-start-column="18" selection-end-line="79" selection-end-column="18" />
-          <folding />
-        </state>
+    <entry file="file://$PROJECT_DIR$/screen_date.png">
+      <provider selected="true" editor-type-id="images">
+        <state />
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/README.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="171">
-            <caret line="9" column="99" lean-forward="false" selection-start-line="9" selection-start-column="99" selection-end-line="9" selection-end-column="99" />
+          <first_editor relative-caret-position="304">
+            <caret line="16" column="19" lean-forward="true" selection-start-line="16" selection-start-column="19" selection-end-line="16" selection-end-column="19" />
             <folding />
           </first_editor>
           <second_editor>
@@ -918,11 +902,19 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="190">
+          <caret line="10" column="10" lean-forward="true" selection-start-line="10" selection-start-column="10" selection-end-line="10" selection-end-column="10" />
+          <folding />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
-          <first_editor relative-caret-position="95">
-            <caret line="5" column="6" lean-forward="true" selection-start-line="5" selection-start-column="6" selection-end-line="5" selection-end-column="6" />
+          <first_editor relative-caret-position="228">
+            <caret line="12" column="44" lean-forward="false" selection-start-line="12" selection-start-column="44" selection-end-line="12" selection-end-column="44" />
             <folding />
           </first_editor>
           <second_editor>
@@ -931,13 +923,5 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="38">
-          <caret line="2" column="14" lean-forward="false" selection-start-line="2" selection-start-column="14" selection-end-line="2" selection-end-column="14" />
-          <folding />
-        </state>
-      </provider>
-    </entry>
   </component>
 </project>

CHANGELOG.md

@@ -9,4 +9,5 @@
 ## [0.1.8] - update description
 ## [0.1.9] - update description
 ## [0.1.10] - update description
-## [1.0.0] - release stable version
+## [1.0.0] - release stable version
+## [1.0.1] - fix day bug when changing month

example/pubspec.lock

@@ -82,7 +82,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.1.1"
+    version: "1.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter

lib/flutter_datetime_picker.dart

@@ -31,10 +31,8 @@ class DatePicker {
             onConfirm: onConfirm,
             locale: locale,
             theme: Theme.of(context, shadowThemeOnly: true),
-            barrierLabel:
-                MaterialLocalizations.of(context).modalBarrierDismissLabel,
-            pickerModel:
-                DatePickerModel(currentTime: currentTime, locale: locale)));
+            barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
+            pickerModel: DatePickerModel(currentTime: currentTime, locale: locale)));
   }
 
   ///
@@ -54,10 +52,8 @@ class DatePicker {
             onConfirm: onConfirm,
             locale: locale,
             theme: Theme.of(context, shadowThemeOnly: true),
-            barrierLabel:
-                MaterialLocalizations.of(context).modalBarrierDismissLabel,
-            pickerModel:
-                TimePickerModel(currentTime: currentTime, locale: locale)));
+            barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
+            pickerModel: TimePickerModel(currentTime: currentTime, locale: locale)));
   }
 
   ///
@@ -77,10 +73,8 @@ class DatePicker {
             onConfirm: onConfirm,
             locale: locale,
             theme: Theme.of(context, shadowThemeOnly: true),
-            barrierLabel:
-                MaterialLocalizations.of(context).modalBarrierDismissLabel,
-            pickerModel:
-                DateTimePickerModel(currentTime: currentTime, locale: locale)));
+            barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
+            pickerModel: DateTimePickerModel(currentTime: currentTime, locale: locale)));
   }
 
   ///
@@ -100,8 +94,7 @@ class DatePicker {
             onConfirm: onConfirm,
             locale: locale,
             theme: Theme.of(context, shadowThemeOnly: true),
-            barrierLabel:
-                MaterialLocalizations.of(context).modalBarrierDismissLabel,
+            barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
             pickerModel: pickerModel));
   }
 }
@@ -143,14 +136,13 @@ class _DatePickerRoute<T> extends PopupRoute<T> {
   @override
   AnimationController createAnimationController() {
     assert(_animationController == null);
-    _animationController =
-        BottomSheet.createAnimationController(navigator.overlay);
+    _animationController = BottomSheet.createAnimationController(navigator.overlay);
     return _animationController;
   }
 
   @override
-  Widget buildPage(BuildContext context, Animation<double> animation,
-      Animation<double> secondaryAnimation) {
+  Widget buildPage(
+      BuildContext context, Animation<double> animation, Animation<double> secondaryAnimation) {
     Widget bottomSheet = new MediaQuery.removePadding(
       context: context,
       removeTop: true,
@@ -170,11 +162,7 @@ class _DatePickerRoute<T> extends PopupRoute<T> {
 
 class _DatePickerComponent extends StatefulWidget {
   _DatePickerComponent(
-      {Key key,
-      @required this.route,
-      this.onChanged,
-      this.locale,
-      this.pickerModel});
+      {Key key, @required this.route, this.onChanged, this.locale, this.pickerModel});
 
   final DateChangedCallback onChanged;
 
@@ -196,12 +184,16 @@ class _DatePickerState extends State<_DatePickerComponent> {
   @override
   void initState() {
     super.initState();
-    leftScrollCtrl = new FixedExtentScrollController(
-        initialItem: widget.pickerModel.currentLeftIndex());
-    middleScrollCtrl = new FixedExtentScrollController(
-        initialItem: widget.pickerModel.currentMiddleIndex());
-    rightScrollCtrl = new FixedExtentScrollController(
-        initialItem: widget.pickerModel.currentRightIndex());
+    refreshScrollOffset();
+  }
+
+  void refreshScrollOffset() {
+    leftScrollCtrl =
+        new FixedExtentScrollController(initialItem: widget.pickerModel.currentLeftIndex());
+    middleScrollCtrl =
+        new FixedExtentScrollController(initialItem: widget.pickerModel.currentMiddleIndex());
+    rightScrollCtrl =
+        new FixedExtentScrollController(initialItem: widget.pickerModel.currentRightIndex());
   }
 
   @override
@@ -250,38 +242,51 @@ class _DatePickerState extends State<_DatePickerComponent> {
       StringAtIndexCallBack stringAtIndexCB,
       ScrollController scrollController,
       int layoutProportion,
-      ValueChanged<int> selectedChanged) {
+      ValueChanged<int> selectedChangedWhenScrolling,
+      ValueChanged<int> selectedChangedWhenScrollEnd) {
     return Expanded(
       flex: layoutProportion,
       child: Container(
           padding: EdgeInsets.all(8.0),
           height: _kDatePickerHeight,
           decoration: BoxDecoration(color: Colors.white),
-          child: CupertinoPicker.builder(
-              backgroundColor: Colors.white,
-              scrollController: scrollController,
-              itemExtent: _kDatePickerItemHeight,
-              onSelectedItemChanged: (int index) {
-                selectedChanged(index);
-              },
-              useMagnifier: true,
-              itemBuilder: (BuildContext context, int index) {
-                final content = stringAtIndexCB(index);
-                if (content == null) {
-                  return null;
+          child: NotificationListener(
+              onNotification: (ScrollNotification notification) {
+                if (notification.depth == 0 &&
+                    selectedChangedWhenScrollEnd != null &&
+                    notification is ScrollEndNotification &&
+                    notification.metrics is FixedExtentMetrics) {
+                  final FixedExtentMetrics metrics = notification.metrics;
+                  final int currentItemIndex = metrics.itemIndex;
+                  selectedChangedWhenScrollEnd(currentItemIndex);
                 }
-                return Container(
-                  height: _kDatePickerItemHeight,
-                  alignment: Alignment.center,
-                  child: Text(
-                    content,
-                    style: TextStyle(
-                        color: Color(0xFF000046),
-                        fontSize: _kDatePickerFontSize),
-                    textAlign: TextAlign.start,
-                  ),
-                );
-              })),
+                return false;
+              },
+              child: CupertinoPicker.builder(
+                  key: ValueKey(widget.pickerModel.currentMiddleIndex()),
+                  backgroundColor: Colors.white,
+                  scrollController: scrollController,
+                  itemExtent: _kDatePickerItemHeight,
+                  onSelectedItemChanged: (int index) {
+                    print('select change at $index');
+                    selectedChangedWhenScrolling(index);
+                  },
+                  useMagnifier: true,
+                  itemBuilder: (BuildContext context, int index) {
+                    final content = stringAtIndexCB(index);
+                    if (content == null) {
+                      return null;
+                    }
+                    return Container(
+                      height: _kDatePickerItemHeight,
+                      alignment: Alignment.center,
+                      child: Text(
+                        content,
+                        style: TextStyle(color: Color(0xFF000046), fontSize: _kDatePickerFontSize),
+                        textAlign: TextAlign.start,
+                      ),
+                    );
+                  }))),
     );
   }
 
@@ -291,37 +296,32 @@ class _DatePickerState extends State<_DatePickerComponent> {
       child: Row(
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         children: <Widget>[
-          _renderColumnView(
-              widget.pickerModel.leftStringAtIndex,
-              leftScrollCtrl,
+          _renderColumnView(widget.pickerModel.leftStringAtIndex, leftScrollCtrl,
               widget.pickerModel.layoutProportions()[0], (index) {
             widget.pickerModel.setLeftIndex(index);
             _notifyDateChanged();
-          }),
+          }, null),
           Text(
             widget.pickerModel.leftDivider(),
-            style: TextStyle(
-                color: Color(0xFF000046), fontSize: _kDatePickerFontSize),
+            style: TextStyle(color: Color(0xFF000046), fontSize: _kDatePickerFontSize),
           ),
-          _renderColumnView(
-              widget.pickerModel.middleStringAtIndex,
-              middleScrollCtrl,
+          _renderColumnView(widget.pickerModel.middleStringAtIndex, middleScrollCtrl,
               widget.pickerModel.layoutProportions()[1], (index) {
             widget.pickerModel.setMiddleIndex(index);
+          }, (index) {
+            refreshScrollOffset();
             _notifyDateChanged();
+            setState(() {});
           }),
           Text(
             widget.pickerModel.rightDivider(),
-            style: TextStyle(
-                color: Color(0xFF000046), fontSize: _kDatePickerFontSize),
+            style: TextStyle(color: Color(0xFF000046), fontSize: _kDatePickerFontSize),
           ),
-          _renderColumnView(
-              widget.pickerModel.rightStringAtIndex,
-              rightScrollCtrl,
+          _renderColumnView(widget.pickerModel.rightStringAtIndex, rightScrollCtrl,
               widget.pickerModel.layoutProportions()[2], (index) {
             widget.pickerModel.setRightIndex(index);
             _notifyDateChanged();
-          }),
+          }, null),
         ],
       ),
     );

lib/src/dateModel.dart

@@ -111,11 +111,7 @@ class DatePickerModel extends CommonPickerModel {
     return 30;
   }
 
-  DatePickerModel(
-      {this.maxYear = 2050,
-      this.minYear = 1970,
-      DateTime currentTime,
-      String locale})
+  DatePickerModel({this.maxYear = 2050, this.minYear = 1970, DateTime currentTime, String locale})
       : super(locale: locale) {
     if (currentTime != null) {
       int year = currentTime.year;
@@ -130,19 +126,51 @@ class DatePickerModel extends CommonPickerModel {
     _currentMiddleIndex = this.currentTime.month - 1;
     _currentRightIndex = this.currentTime.day - 1;
 
+    fillLeftLists();
+    fillMiddleLists();
+    fillRightLists();
+  }
+
+  void fillLeftLists() {
     this.leftList = List.generate(maxYear - minYear + 1, (int index) {
       return '${minYear + index}${_localeYear()}';
     });
+  }
+
+  void fillMiddleLists() {
     this.middleList = List.generate(12, (int index) {
       return '${index + 1}${_localeMonth()}';
     });
+  }
+
+  void fillRightLists() {
     this.rightList = List.generate(
-        _calcDateCount(_currentLeftIndex + minYear, _currentMiddleIndex + 1),
-        (int index) {
+        _calcDateCount(_currentLeftIndex + minYear, _currentMiddleIndex + 1), (int index) {
       return '${index + 1}${_localeDay()}';
     });
   }
 
+  @override
+  void setLeftIndex(int index) {
+    // TODO: implement setLeftIndex
+    super.setLeftIndex(index);
+  }
+
+  @override
+  void setMiddleIndex(int index) {
+    _currentMiddleIndex = index;
+    fillRightLists();
+    final dayCount = _calcDateCount(_currentLeftIndex + minYear, _currentMiddleIndex + 1);
+    if (_currentRightIndex >= dayCount) {
+      _currentRightIndex = dayCount;
+    }
+  }
+
+  @override
+  void setRightIndex(int index) {
+    super.setRightIndex(index);
+  }
+
   @override
   String leftStringAtIndex(int index) {
     if (index >= 0 && index < leftList.length) {
@@ -204,8 +232,7 @@ class DatePickerModel extends CommonPickerModel {
 }
 
 class TimePickerModel extends CommonPickerModel {
-  TimePickerModel({DateTime currentTime, String locale})
-      : super(locale: locale) {
+  TimePickerModel({DateTime currentTime, String locale}) : super(locale: locale) {
     this.currentTime = currentTime ?? DateTime.now();
     _currentLeftIndex = this.currentTime.hour;
     _currentMiddleIndex = this.currentTime.minute;
@@ -251,14 +278,13 @@ class TimePickerModel extends CommonPickerModel {
 
   @override
   DateTime finalTime() {
-    return DateTime(currentTime.year, currentTime.month, currentTime.day,
-        _currentLeftIndex, _currentMiddleIndex, _currentRightIndex);
+    return DateTime(currentTime.year, currentTime.month, currentTime.day, _currentLeftIndex,
+        _currentMiddleIndex, _currentRightIndex);
   }
 }
 
 class DateTimePickerModel extends CommonPickerModel {
-  DateTimePickerModel({DateTime currentTime, String locale})
-      : super(locale: locale) {
+  DateTimePickerModel({DateTime currentTime, String locale}) : super(locale: locale) {
     this.currentTime = currentTime ?? DateTime.now();
     _currentLeftIndex = 0;
     _currentMiddleIndex = this.currentTime.hour;
@@ -292,8 +318,7 @@ class DateTimePickerModel extends CommonPickerModel {
   @override
   DateTime finalTime() {
     DateTime time = currentTime.add(Duration(days: _currentLeftIndex));
-    return DateTime(time.year, time.month, time.day, _currentMiddleIndex,
-        _currentRightIndex);
+    return DateTime(time.year, time.month, time.day, _currentMiddleIndex, _currentRightIndex);
   }
 
   @override

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_datetime_picker
 description: A date time picker for flutter, you can choose date / time / date&time in English and Chinese, and you can also custom your own picker content
-version: 1.0.0
+version: 1.0.1
 author: Realank <realank@126.com>
 homepage: https://github.com/Realank/flutter_datetime_picker