增加日期最大最小值的控制

.idea/libraries/Dart_Packages.xml

@@ -2,449 +2,209 @@
   <library name="Dart Packages" type="DartPackagesLibraryType">
     <properties>
       <option name="packageNameToDirsMap">
-        <entry key="analyzer">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/analyzer-0.32.4/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="args">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/args-1.5.0/lib" />
-            </list>
-          </value>
-        </entry>
         <entry key="async">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/async-2.0.8/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/async-2.0.8/lib" />
             </list>
           </value>
         </entry>
         <entry key="boolean_selector">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/boolean_selector-1.0.4/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/boolean_selector-1.0.4/lib" />
             </list>
           </value>
         </entry>
         <entry key="charcode">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/charcode-1.1.2/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/charcode-1.1.2/lib" />
             </list>
           </value>
         </entry>
         <entry key="collection">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/collection-1.14.11/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="convert">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/convert-2.0.2/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="crypto">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/crypto-2.0.6/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="csslib">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/csslib-0.14.5/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/collection-1.14.11/lib" />
             </list>
           </value>
         </entry>
         <entry key="cupertino_icons">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/cupertino_icons-0.1.2/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/cupertino_icons-0.1.2/lib" />
             </list>
           </value>
         </entry>
-        <entry key="flutter">
+        <entry key="decimal">
           <value>
             <list>
-              <option value="$USER_HOME$/flutter/packages/flutter/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/decimal-0.3.2/lib" />
             </list>
           </value>
         </entry>
-        <entry key="flutter_test">
-          <value>
-            <list>
-              <option value="$USER_HOME$/flutter/packages/flutter_test/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="front_end">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/front_end-0.1.4/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="glob">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/glob-1.1.7/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="html">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/html-0.13.3+3/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="http">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http-0.11.3+17/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="http_multi_server">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.0.5/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="http_parser">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_parser-3.1.3/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="io">
+        <entry key="flutter">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/io-0.3.3/lib" />
+              <option value="C:/Java/flutter/packages/flutter/lib" />
             </list>
           </value>
         </entry>
-        <entry key="js">
+        <entry key="flutter_commons_lang">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/js-0.6.1+1/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_commons_lang-1.0.5/lib" />
             </list>
           </value>
         </entry>
-        <entry key="json_rpc_2">
+        <entry key="flutter_localizations">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/json_rpc_2-2.0.9/lib" />
+              <option value="C:/Java/flutter/packages/flutter_localizations/lib" />
             </list>
           </value>
         </entry>
-        <entry key="kernel">
+        <entry key="flutter_test">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/kernel-0.3.4/lib" />
+              <option value="C:/Java/flutter/packages/flutter_test/lib" />
             </list>
           </value>
         </entry>
-        <entry key="logging">
+        <entry key="intl">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/logging-0.11.3+2/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/intl-0.15.7/lib" />
             </list>
           </value>
         </entry>
         <entry key="matcher">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.3+1/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/matcher-0.12.3+1/lib" />
             </list>
           </value>
         </entry>
         <entry key="meta">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/meta-1.1.6/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="mime">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/mime-0.9.6+2/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="multi_server_socket">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/multi_server_socket-1.0.2/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="node_preamble">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/node_preamble-1.4.4/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="package_config">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/package_config-1.0.5/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="package_resolver">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/package_resolver-1.0.4/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/meta-1.1.6/lib" />
             </list>
           </value>
         </entry>
         <entry key="path">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/path-1.6.2/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="plugin">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/plugin-0.2.0+3/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="pool">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/pool-1.3.6/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="pub_semver">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/pub_semver-1.4.2/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/path-1.6.2/lib" />
             </list>
           </value>
         </entry>
         <entry key="quiver">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/quiver-2.0.0+1/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/quiver-2.0.1/lib" />
             </list>
           </value>
         </entry>
-        <entry key="shelf">
+        <entry key="rational">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf-0.7.3+3/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="shelf_packages_handler">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_packages_handler-1.0.4/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="shelf_static">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_static-0.2.8/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="shelf_web_socket">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.2+4/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/rational-0.3.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="sky_engine">
           <value>
             <list>
-              <option value="$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="source_map_stack_trace">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_map_stack_trace-1.1.5/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="source_maps">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_maps-0.10.7/lib" />
+              <option value="C:/Java/flutter/bin/cache/pkg/sky_engine/lib" />
             </list>
           </value>
         </entry>
         <entry key="source_span">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_span-1.4.1/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/source_span-1.4.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="stack_trace">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.9.3/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/stack_trace-1.9.3/lib" />
             </list>
           </value>
         </entry>
         <entry key="stream_channel">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.8/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/stream_channel-1.6.8/lib" />
             </list>
           </value>
         </entry>
         <entry key="string_scanner">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.0.4/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/string_scanner-1.0.4/lib" />
             </list>
           </value>
         </entry>
         <entry key="term_glyph">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.0.1/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/term_glyph-1.0.1/lib" />
             </list>
           </value>
         </entry>
-        <entry key="test">
+        <entry key="test_api">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/test-1.3.0/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/test_api-0.2.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="typed_data">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.6/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="utf">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/utf-0.9.0+5/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/typed_data-1.1.6/lib" />
             </list>
           </value>
         </entry>
         <entry key="vector_math">
           <value>
             <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/vector_math-2.0.8/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="vm_service_client">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/vm_service_client-0.2.6/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="watcher">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/watcher-0.9.7+10/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="web_socket_channel">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/web_socket_channel-1.0.9/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="yaml">
-          <value>
-            <list>
-              <option value="$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/yaml-2.1.15/lib" />
+              <option value="C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/vector_math-2.0.8/lib" />
             </list>
           </value>
         </entry>
       </option>
     </properties>
     <CLASSES>
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/analyzer-0.32.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/args-1.5.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/async-2.0.8/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/boolean_selector-1.0.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/charcode-1.1.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/collection-1.14.11/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/convert-2.0.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/crypto-2.0.6/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/csslib-0.14.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/cupertino_icons-0.1.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/front_end-0.1.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/glob-1.1.7/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/html-0.13.3+3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http-0.11.3+17/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_multi_server-2.0.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/http_parser-3.1.3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/io-0.3.3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/js-0.6.1+1/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/json_rpc_2-2.0.9/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/kernel-0.3.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/logging-0.11.3+2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.3+1/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/meta-1.1.6/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/mime-0.9.6+2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/multi_server_socket-1.0.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/node_preamble-1.4.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/package_config-1.0.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/package_resolver-1.0.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/path-1.6.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/plugin-0.2.0+3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/pool-1.3.6/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/pub_semver-1.4.2/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/quiver-2.0.0+1/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf-0.7.3+3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_packages_handler-1.0.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_static-0.2.8/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/shelf_web_socket-0.2.2+4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_map_stack_trace-1.1.5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_maps-0.10.7/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/source_span-1.4.1/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.9.3/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.8/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.0.4/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.0.1/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/test-1.3.0/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.6/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/utf-0.9.0+5/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/vector_math-2.0.8/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/vm_service_client-0.2.6/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/watcher-0.9.7+10/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/web_socket_channel-1.0.9/lib" />
-      <root url="file://$USER_HOME$/.pub-cache/hosted/pub.dartlang.org/yaml-2.1.15/lib" />
-      <root url="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib" />
-      <root url="file://$USER_HOME$/flutter/packages/flutter/lib" />
-      <root url="file://$USER_HOME$/flutter/packages/flutter_test/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/async-2.0.8/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/boolean_selector-1.0.4/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/charcode-1.1.2/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/collection-1.14.11/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/cupertino_icons-0.1.2/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/decimal-0.3.2/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_commons_lang-1.0.5/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/intl-0.15.7/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/matcher-0.12.3+1/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/meta-1.1.6/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/path-1.6.2/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/quiver-2.0.1/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/rational-0.3.1/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/source_span-1.4.1/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/stack_trace-1.9.3/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/stream_channel-1.6.8/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/string_scanner-1.0.4/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/term_glyph-1.0.1/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/test_api-0.2.1/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/typed_data-1.1.6/lib" />
+      <root url="file://C:/Java/flutter/.pub-cache/hosted/pub.flutter-io.cn/vector_math-2.0.8/lib" />
+      <root url="file://C:/Java/flutter/bin/cache/pkg/sky_engine/lib" />
+      <root url="file://C:/Java/flutter/packages/flutter/lib" />
+      <root url="file://C:/Java/flutter/packages/flutter_localizations/lib" />
+      <root url="file://C:/Java/flutter/packages/flutter_test/lib" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />

.idea/libraries/Dart_SDK.xml

@@ -1,17 +1,25 @@
 <component name="libraryTable">
   <library name="Dart SDK">
     <CLASSES>
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/async" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/collection" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/convert" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/core" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/developer" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/html" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/io" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/isolate" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/math" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/mirrors" />
-      <root url="file:///Users/realank/flutter/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/async" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/cli" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/collection" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/convert" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/core" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/developer" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/html" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/indexed_db" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/io" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/js" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/js_util" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/math" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/svg" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/web_audio" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/web_gl" />
+      <root url="file://C:/Java/flutter/bin/cache/dart-sdk/lib/web_sql" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />

.idea/workspace.xml

@@ -1,13 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="CMakeSettings">
+    <configurations>
+      <configuration PROFILE_NAME="Debug" CONFIG_NAME="Debug" />
+    </configurations>
+  </component>
   <component name="ChangeListManager">
     <list default="true" id="4ca5d027-8e00-4d4c-ab69-69171c049d48" name="Default" comment="">
-      <change beforePath="" afterPath="$PROJECT_DIR$/screen_datetime_dutch.png" />
-      <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="$PROJECT_DIR$/README.md" afterPath="$PROJECT_DIR$/README.md" />
-      <change beforePath="$PROJECT_DIR$/example/pubspec.lock" afterPath="$PROJECT_DIR$/example/pubspec.lock" />
-      <change beforePath="$PROJECT_DIR$/pubspec.yaml" afterPath="$PROJECT_DIR$/pubspec.yaml" />
+      <change beforePath="$PROJECT_DIR$/.idea/libraries/Dart_Packages.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Dart_Packages.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Dart_SDK.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/example/pubspec.lock" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/src/date_format.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/src/date_format.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/src/date_model.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/src/date_model.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/lib/src/i18n_model.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/src/i18n_model.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.lock" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/pubspec.yaml" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.yaml" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/.dart_tool/" />
     <ignored path="$PROJECT_DIR$/.idea/" />
@@ -22,34 +31,23 @@
   </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="876">
-              <caret line="91" column="78" lean-forward="false" selection-start-line="91" selection-start-column="78" selection-end-line="91" selection-end-column="78" />
-              <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">
+      <file leaf-file-name="date_model.dart" pinned="false" current-in-tab="true">
+        <entry file="file://$PROJECT_DIR$/lib/src/date_model.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="330">
-              <caret line="15" column="41" lean-forward="false" selection-start-line="15" selection-start-column="41" selection-end-line="15" selection-end-column="41" />
+            <state relative-caret-position="66">
+              <caret line="3" lean-forward="true" selection-start-line="3" selection-end-line="3" />
               <folding>
-                <element signature="e#34#74#0" expanded="true" />
+                <element signature="e#0#64#0" expanded="true" />
               </folding>
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="pubspec.yaml" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/pubspec.yaml">
+      <file leaf-file-name="duration.dart" pinned="false" current-in-tab="false">
+        <entry file="file://C:/Java/flutter/bin/cache/pkg/sky_engine/lib/core/duration.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="44">
-              <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 relative-caret-position="2002">
+              <caret line="93" column="8" selection-start-line="93" selection-start-column="8" selection-end-line="93" selection-end-column="8" />
             </state>
           </provider>
         </entry>
@@ -58,10 +56,7 @@
         <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="418">
-                <caret line="19" column="30" lean-forward="true" selection-start-line="19" selection-start-column="30" selection-end-line="19" selection-end-column="30" />
-                <folding />
-              </first_editor>
+              <first_editor />
               <second_editor>
                 <markdownNavigatorState />
               </second_editor>
@@ -69,29 +64,20 @@
           </provider>
         </entry>
       </file>
-      <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="330">
-                <caret line="15" column="32" lean-forward="true" selection-start-line="15" selection-start-column="32" selection-end-line="15" selection-end-column="32" />
-                <folding />
-              </first_editor>
-              <second_editor>
-                <markdownNavigatorState />
-              </second_editor>
+      <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="132">
+              <caret line="6" selection-start-line="6" selection-end-line="6" />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="date_model.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/lib/src/date_model.dart">
+      <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="1496">
-              <caret line="69" column="3" lean-forward="false" selection-start-line="69" selection-start-column="3" selection-end-line="69" selection-end-column="3" />
-              <folding>
-                <element signature="e#0#62#0" expanded="true" />
-              </folding>
+            <state relative-caret-position="264">
+              <caret line="12" column="30" selection-start-line="12" selection-start-column="30" selection-end-line="12" selection-end-column="30" />
             </state>
           </provider>
         </entry>
@@ -99,39 +85,40 @@
       <file leaf-file-name="i18n_model.dart" pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/lib/src/i18n_model.dart">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="1144">
-              <caret line="52" column="9" lean-forward="false" selection-start-line="52" selection-start-column="9" selection-end-line="52" selection-end-column="9" />
-              <folding />
+            <state relative-caret-position="819">
+              <caret line="52" column="9" selection-start-line="52" selection-start-column="9" selection-end-line="52" selection-end-column="9" />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="date_format.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/lib/src/date_format.dart">
+      <file leaf-file-name="LICENSE" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/LICENSE">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="6050">
-              <caret line="275" column="61" lean-forward="false" selection-start-line="275" selection-start-column="61" selection-end-line="275" selection-end-column="61" />
-              <folding />
+            <state relative-caret-position="440">
+              <caret line="20" column="9" selection-start-line="20" selection-start-column="9" selection-end-line="20" selection-end-column="9" />
             </state>
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="date_time.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart">
+      <file leaf-file-name="pubspec.lock" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/pubspec.lock">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="18898">
-              <caret line="861" column="61" lean-forward="false" selection-start-line="861" selection-start-column="61" selection-end-line="861" selection-end-column="61" />
-              <folding />
-            </state>
+            <state />
           </provider>
         </entry>
       </file>
-      <file leaf-file-name="object.dart" pinned="false" current-in-tab="false">
-        <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/rendering/object.dart">
+      <file leaf-file-name="pubspec.lock" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/example/pubspec.lock">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="35530">
-              <caret line="1634" column="6" lean-forward="false" selection-start-line="1634" selection-start-column="6" selection-end-line="1634" selection-end-column="6" />
-              <folding />
+            <state />
+          </provider>
+        </entry>
+      </file>
+      <file leaf-file-name="pubspec.yaml" pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/example/pubspec.yaml">
+          <provider selected="true" editor-type-id="text-editor">
+            <state relative-caret-position="682">
+              <caret line="31" selection-start-line="31" selection-end-line="31" />
             </state>
           </provider>
         </entry>
@@ -162,19 +149,20 @@
       <find>dayShortNL</find>
       <find>String locale</find>
       <find>locale == 'nl'</find>
+      <find>daysOfTheMonth</find>
+      <find>min</find>
+      <find>DateUtil</find>
     </findStrings>
     <replaceStrings>
       <replace>locale == LocaleType.nl</replace>
+      <replace>mi</replace>
+      <replace>max</replace>
+      <replace>DateUtils</replace>
     </replaceStrings>
   </component>
   <component name="Git.Settings">
     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
-  <component name="GradleLocalSettings">
-    <option name="externalProjectsViewState">
-      <projects_view />
-    </option>
-  </component>
   <component name="IdeDocumentHistory">
     <option name="CHANGED_PATHS">
       <list>
@@ -185,14 +173,16 @@
         <option value="$PROJECT_DIR$/lib/date_format.dart" />
         <option value="$USER_HOME$/flutter/packages/flutter/lib/src/widgets/list_wheel_scroll_view.dart" />
         <option value="$PROJECT_DIR$/lib/src/i18nModel.dart" />
-        <option value="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" />
         <option value="$PROJECT_DIR$/lib/src/dateModel.dart" />
         <option value="$PROJECT_DIR$/lib/src/i18n_model.dart" />
         <option value="$PROJECT_DIR$/lib/src/date_format.dart" />
         <option value="$PROJECT_DIR$/example/lib/main.dart" />
         <option value="$PROJECT_DIR$/README.md" />
-        <option value="$PROJECT_DIR$/pubspec.yaml" />
         <option value="$PROJECT_DIR$/CHANGELOG.md" />
+        <option value="$PROJECT_DIR$/.gitignore" />
+        <option value="$PROJECT_DIR$/lib/flutter_datetime_picker.dart" />
+        <option value="$PROJECT_DIR$/pubspec.yaml" />
+        <option value="$PROJECT_DIR$/lib/src/date_model.dart" />
       </list>
     </option>
   </component>
@@ -207,16 +197,6 @@
   </component>
   <component name="ProjectView">
     <navigator currentView="ProjectPane" proportions="" version="1">
-      <flattenPackages />
-      <showMembers />
-      <showModules />
-      <showLibraryContents />
-      <hideEmptyPackages />
-      <abbreviatePackageNames />
-      <autoscrollToSource />
-      <autoscrollFromSource />
-      <sortByType />
-      <manualOrder />
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
@@ -232,12 +212,6 @@
               <item name="flutter_datetime_picker" type="462c0819:PsiDirectoryNode" />
               <item name="example" type="462c0819:PsiDirectoryNode" />
             </path>
-            <path>
-              <item name="flutter_datetime_picker" type="b2602c69:ProjectViewProjectNode" />
-              <item name="flutter_datetime_picker" type="462c0819:PsiDirectoryNode" />
-              <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" />
@@ -251,26 +225,30 @@
             </path>
             <path>
               <item name="flutter_datetime_picker" type="b2602c69:ProjectViewProjectNode" />
-              <item name="External Libraries" type="cb654da1:ExternalLibrariesNode" />
+              <item name="flutter_datetime_picker" type="462c0819:PsiDirectoryNode" />
+              <item name="test" type="462c0819:PsiDirectoryNode" />
             </path>
           </expand>
           <select />
         </subPane>
         <option name="show-excluded-files" value="false" />
       </pane>
-      <pane id="Scratches" />
-      <pane id="Scope" />
       <pane id="PackagesPane" />
+      <pane id="Scope" />
       <pane id="AndroidView" />
     </panes>
   </component>
   <component name="PropertiesComponent">
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
     <property name="dart.analysis.tool.window.force.activate" value="false" />
-    <property name="show.migrate.to.gradle.popup" value="false" />
     <property name="io.flutter.reload.alreadyRun" value="true" />
+    <property name="last_opened_file_path" value="C:/Java/flutter" />
+    <property name="settings.editor.selected.configurable" value="dart.settings" />
+    <property name="show.migrate.to.gradle.popup" value="false" />
   </component>
   <component name="RecentsManager">
+    <key name="CopyFile.RECENT_KEYS">
+      <recent name="D:\study\flutter\flutter_datetime_picker\lib" />
+    </key>
     <key name="MoveFile.RECENT_KEYS">
       <recent name="$PROJECT_DIR$" />
       <recent name="$PROJECT_DIR$/screenshot" />
@@ -292,8 +270,6 @@
   </component>
   <component name="RunManager">
     <configuration default="true" type="AndroidJUnit" factoryName="Android JUnit">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <module name="" />
       <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
       <option name="ALTERNATIVE_JRE_PATH" />
       <option name="PACKAGE_NAME" />
@@ -303,41 +279,19 @@
       <option name="VM_PARAMETERS" value="-ea" />
       <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
-      <option name="ENV_VARIABLES" />
       <option name="PASS_PARENT_ENVS" value="true" />
       <option name="TEST_SEARCH_SCOPE">
         <value defaultName="singleModule" />
       </option>
-      <envs />
       <patterns />
     </configuration>
     <configuration default="true" type="Application" factoryName="Application">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="VM_PARAMETERS" />
-      <option name="PROGRAM_PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="ENABLE_SWING_INSPECTOR" value="false" />
-      <option name="ENV_VARIABLES" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <module name="" />
-      <envs />
     </configuration>
     <configuration name="flutter_datetime_picker" type="FlutterRunConfigurationType" factoryName="Flutter">
       <option name="filePath" value="$PROJECT_DIR$/example/lib/main.dart" />
     </configuration>
-    <configuration default="true" type="Remote" factoryName="Remote">
-      <option name="USE_SOCKET_TRANSPORT" value="true" />
-      <option name="SERVER_MODE" value="false" />
-      <option name="SHMEM_ADDRESS" value="javadebug" />
-      <option name="HOST" value="localhost" />
-      <option name="PORT" value="5005" />
-    </configuration>
     <configuration default="true" type="TestNG" factoryName="TestNG">
-      <extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
-      <module name="" />
       <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
       <option name="ALTERNATIVE_JRE_PATH" />
       <option name="SUITE_NAME" />
@@ -350,15 +304,12 @@
       <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
       <option name="OUTPUT_DIRECTORY" />
-      <option name="ANNOTATION_TYPE" />
-      <option name="ENV_VARIABLES" />
       <option name="PASS_PARENT_ENVS" value="true" />
       <option name="TEST_SEARCH_SCOPE">
         <value defaultName="singleModule" />
       </option>
       <option name="USE_DEFAULT_REPORTERS" value="false" />
       <option name="PROPERTIES_FILE" />
-      <envs />
       <properties />
       <listeners />
     </configuration>
@@ -381,9 +332,6 @@
       <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
     </configuration>
   </component>
-  <component name="ShelveChangesManager" show_recycled="false">
-    <option name="remove_strategy" value="false" />
-  </component>
   <component name="SvnConfiguration">
     <configuration />
   </component>
@@ -518,35 +466,36 @@
     <servers />
   </component>
   <component name="ToolWindowManager">
-    <frame x="0" y="23" width="2560" height="1417" extended-state="6" />
+    <frame x="-8" y="-8" width="1936" height="1056" extended-state="6" />
     <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="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="8" 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="Run" active="false" anchor="bottom" auto_hide="false" internal_type="DOCKED" type="DOCKED" visible="true" show_stripe_button="true" weight="0.20676403" sideWeight="0.5" order="2" 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="0.2882398" 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="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="0.20295055" 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="5" 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="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="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="0.034588777" sideWeight="0.5" order="11" 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" />
+      <window_info anchor="bottom" id="TODO" order="6" />
+      <window_info anchor="bottom" id="Messages" order="11" weight="0.3775281" />
+      <window_info anchor="right" id="Palette&#9;" order="7" />
+      <window_info id="Image Layers" order="5" />
+      <window_info anchor="right" id="Capture Analysis" order="4" />
+      <window_info anchor="bottom" id="Event Log" order="7" sideWeight="0.5015949" side_tool="true" weight="0.1360492" />
+      <window_info anchor="bottom" id="Flutter Performance" order="12" side_tool="true" />
+      <window_info anchor="bottom" id="Dart Analysis" order="8" sideWeight="0.4984051" weight="0.1360492" />
+      <window_info anchor="bottom" id="Run" order="2" weight="0.20676403" />
+      <window_info anchor="bottom" id="Version Control" order="9" weight="0.3520369" />
+      <window_info anchor="bottom" id="Terminal" order="10" weight="0.28796402" />
+      <window_info anchor="right" id="Flutter Outline" order="3" weight="0.18221691" />
+      <window_info id="Capture Tool" order="2" />
+      <window_info id="Designer" order="3" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.20735608" />
+      <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
+      <window_info anchor="right" id="Theme Preview" order="5" />
+      <window_info anchor="bottom" id="Debug" order="3" weight="0.26210606" />
+      <window_info id="Favorites" order="4" side_tool="true" />
+      <window_info anchor="right" id="Flutter Inspector" order="6" weight="0.32974482" />
+      <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
+      <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
+      <window_info anchor="right" id="Commander" order="0" weight="0.4" />
+      <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
+      <window_info anchor="bottom" id="Message" order="0" />
+      <window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
+      <window_info anchor="bottom" id="Find" order="1" />
     </layout>
   </component>
   <component name="VcsContentAnnotationSettings">
@@ -566,101 +515,28 @@
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
-      <breakpoints>
-        <line-breakpoint enabled="true" type="Dart">
-          <url>file://$PROJECT_DIR$/lib/src/date_format.dart</url>
-          <line>247</line>
-          <option name="timeStamp" value="13" />
-        </line-breakpoint>
-      </breakpoints>
       <option name="time" value="14" />
     </breakpoint-manager>
-    <watches-manager />
   </component>
   <component name="editorHistoryManager">
-    <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="19">
-            <caret line="1" column="59" lean-forward="true" selection-start-line="1" selection-start-column="59" selection-end-line="1" selection-end-column="59" />
-            <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="1577">
-          <caret line="83" column="55" lean-forward="true" selection-start-line="83" selection-start-column="55" selection-end-line="83" selection-end-column="55" />
-          <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#74#0" expanded="true" />
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-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="133">
-          <caret line="7" column="24" lean-forward="false" selection-start-line="7" selection-start-column="24" selection-end-line="7" selection-end-column="24" />
-          <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="285">
-            <caret line="15" column="0" lean-forward="false" selection-start-line="15" selection-start-column="0" selection-end-line="15" selection-end-column="0" />
-            <folding />
-          </first_editor>
-          <second_editor>
-            <markdownNavigatorState />
-          </second_editor>
-        </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="19">
-            <caret line="1" column="59" lean-forward="false" selection-start-line="1" selection-start-column="59" selection-end-line="1" selection-end-column="59" />
-            <folding />
-          </first_editor>
-          <second_editor>
-            <markdownNavigatorState />
-          </second_editor>
-        </state>
-      </provider>
-    </entry>
+    <entry file="file://$PROJECT_DIR$/README.md" />
+    <entry file="file://$PROJECT_DIR$/CHANGELOG.md" />
     <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" />
-        </state>
+        <state />
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/example/test/widget_test.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="228">
-          <caret line="12" column="72" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="14" selection-end-column="0" />
+          <caret line="12" column="72" selection-end-line="14" />
         </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" />
+          <caret line="6" selection-end-line="6" />
         </state>
       </provider>
     </entry>
@@ -668,7 +544,6 @@
       <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 />
         </state>
       </provider>
     </entry>
@@ -677,33 +552,21 @@
         <state relative-caret-position="4693">
           <caret line="247" column="3" lean-forward="true" selection-start-line="247" selection-start-column="3" selection-end-line="247" selection-end-column="3" />
           <folding>
-            <element signature="e#0#62#0" expanded="true" />
+            <element signature="e#0#64#0" expanded="true" />
           </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="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://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="4142">
-          <caret line="220" column="11" lean-forward="false" selection-start-line="220" selection-start-column="11" selection-end-line="220" selection-end-column="11" />
-        </state>
+        <state />
       </provider>
     </entry>
+    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart" />
     <entry file="file://$PROJECT_DIR$/lib/flutter_datetime_picker.dart">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="4959">
-          <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#74#0" expanded="true" />
-          </folding>
+          <caret line="262" selection-start-line="262" selection-end-line="276" selection-end-column="3" />
         </state>
       </provider>
     </entry>
@@ -712,146 +575,50 @@
         <state relative-caret-position="741">
           <caret line="39" column="34" lean-forward="true" selection-start-line="39" selection-start-column="34" selection-end-line="39" selection-end-column="34" />
           <folding>
-            <element signature="e#0#62#0" expanded="true" />
+            <element signature="e#0#64#0" expanded="true" />
           </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="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/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/cupertino/picker.dart" />
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/list_wheel_scroll_view.dart" />
     <entry file="file://$PROJECT_DIR$/example/pubspec.yaml">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="304">
-          <caret line="16" column="16" lean-forward="false" selection-start-line="16" selection-start-column="16" selection-end-line="16" selection-end-column="16" />
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-    </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">
-          <caret line="3602" column="68" lean-forward="false" selection-start-line="3602" selection-start-column="35" selection-end-line="3602" selection-end-column="68" />
+          <caret line="16" column="16" selection-start-line="16" selection-start-column="16" selection-end-line="16" selection-end-column="16" />
         </state>
       </provider>
     </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/framework.dart" />
     <entry file="file://$PROJECT_DIR$/test/flutter_datetime_picker_test.dart">
       <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" />
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-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/pubspec.yaml">
-      <provider selected="true" editor-type-id="text-editor">
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-      </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">
-          <caret line="3602" column="68" lean-forward="false" selection-start-line="3602" selection-start-column="35" selection-end-line="3602" selection-end-column="68" />
-        </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">
-          <caret line="42" column="4" lean-forward="false" selection-start-line="42" selection-start-column="4" selection-end-line="42" selection-end-column="4" />
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-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/LICENSE">
-      <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" />
+          <caret line="5" selection-start-line="5" selection-end-line="5" />
         </state>
       </provider>
     </entry>
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/framework.dart" />
+    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/pattern.dart" />
     <entry file="file://$PROJECT_DIR$/example/test/widget_test.dart">
       <provider selected="true" editor-type-id="text-editor">
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-          <caret line="6" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="6" selection-end-column="0" />
+          <caret line="12" column="72" selection-end-line="14" />
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       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/flutter_datetime_picker.iml">
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-          <caret line="0" column="0" lean-forward="false" selection-start-line="0" selection-start-column="0" selection-end-line="0" selection-end-column="0" />
-        </state>
+        <state />
       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/time.png" />
     <entry file="file://$PROJECT_DIR$/date.png" />
-    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/string_buffer.dart">
-      <provider selected="true" editor-type-id="text-editor">
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-        <state relative-caret-position="385">
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-        </state>
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-    </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">
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-        </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">
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-        </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" />
-        </state>
-      </provider>
-    </entry>
+    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/string_buffer.dart" />
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/foundation/change_notifier.dart" />
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/scroll_controller.dart" />
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/notification_listener.dart" />
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/scroll_notification.dart" />
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/scroll_metrics.dart" />
     <entry file="file://$PROJECT_DIR$/screen_time.png">
       <provider selected="true" editor-type-id="images">
         <state />
@@ -867,111 +634,122 @@
         <state />
       </provider>
     </entry>
-    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/cupertino/picker.dart">
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/cupertino/picker.dart" />
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/list_wheel_scroll_view.dart" />
+    <entry file="file://$PROJECT_DIR$/lib/src/date_format.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="792">
-          <caret line="41" column="76" lean-forward="false" selection-start-line="41" selection-start-column="76" selection-end-line="41" selection-end-column="76" />
+        <state relative-caret-position="6050">
+          <caret line="275" column="61" selection-start-line="275" selection-start-column="61" selection-end-line="275" selection-end-column="61" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/widgets/list_wheel_scroll_view.dart">
+    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart" />
+    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/rendering/object.dart" />
+    <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="15224">
-          <caret line="712" column="3" lean-forward="false" selection-start-line="712" selection-start-column="3" selection-end-line="712" selection-end-column="3" />
-        </state>
+        <state />
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/date_model.dart">
+    <entry file="file://$PROJECT_DIR$/example/.gitignore">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1496">
-          <caret line="69" column="3" lean-forward="false" selection-start-line="69" selection-start-column="3" selection-end-line="69" selection-end-column="3" />
-          <folding>
-            <element signature="e#0#62#0" expanded="true" />
-          </folding>
-        </state>
+        <state />
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/date_format.dart">
+    <entry file="file://$PROJECT_DIR$/.gitignore">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="6050">
-          <caret line="275" column="61" lean-forward="false" selection-start-line="275" selection-start-column="61" selection-end-line="275" selection-end-column="61" />
-          <folding />
+        <state relative-caret-position="220">
+          <caret line="10" lean-forward="true" selection-start-line="10" selection-end-line="10" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/i18n_model.dart">
+    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1144">
-          <caret line="52" column="9" lean-forward="false" selection-start-line="52" selection-start-column="9" selection-end-line="52" selection-end-column="9" />
-          <folding />
+        <state relative-caret-position="-1338">
+          <caret line="9" column="27" selection-start-line="9" selection-start-column="27" selection-end-line="9" selection-end-column="27" />
         </state>
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     </entry>
     <entry file="file://$PROJECT_DIR$/lib/flutter_datetime_picker.dart">
       <provider selected="true" editor-type-id="text-editor">
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-          <folding>
-            <element signature="e#34#74#0" expanded="true" />
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+        <state relative-caret-position="154">
+          <caret line="7" column="61" selection-start-line="7" selection-start-column="61" selection-end-line="8" selection-end-column="61" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$USER_HOME$/flutter/bin/cache/pkg/sky_engine/lib/core/date_time.dart">
+    <entry file="file://$PROJECT_DIR$/test/flutter_datetime_picker_test.dart">
       <provider selected="true" editor-type-id="text-editor">
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-          <caret line="861" column="61" lean-forward="false" selection-start-line="861" selection-start-column="61" selection-end-line="861" selection-end-column="61" />
-          <folding />
+        <state relative-caret-position="132">
+          <caret line="6" selection-start-line="6" selection-end-line="6" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$USER_HOME$/flutter/packages/flutter/lib/src/rendering/object.dart">
+    <entry file="file://$PROJECT_DIR$/example/pubspec.lock">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="35530">
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-          <folding />
+        <state />
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/example/pubspec.yaml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="682">
+          <caret line="31" selection-start-line="31" selection-end-line="31" />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
+    <entry file="file://C:/Java/flutter/bin/cache/pkg/sky_engine/lib/core/duration.dart">
       <provider selected="true" editor-type-id="text-editor">
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+          <caret line="93" column="8" selection-start-line="93" selection-start-column="8" selection-end-line="93" selection-end-column="8" />
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       </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/README.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;MarkdownPreviewEditor]">
         <state split_layout="SPLIT">
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-            <folding />
-          </first_editor>
+          <first_editor />
           <second_editor>
             <markdownNavigatorState />
           </second_editor>
         </state>
       </provider>
+      <provider editor-type-id="text-editor">
+        <state relative-caret-position="264">
+          <caret line="12" lean-forward="true" selection-start-line="12" selection-end-line="14" selection-end-column="3" />
+        </state>
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+    </entry>
+    <entry file="file://$PROJECT_DIR$/LICENSE">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="440">
+          <caret line="20" column="9" selection-start-line="20" selection-start-column="9" selection-end-line="20" selection-end-column="9" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/pubspec.lock">
+      <provider selected="true" editor-type-id="text-editor">
+        <state />
+      </provider>
     </entry>
     <entry file="file://$PROJECT_DIR$/pubspec.yaml">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="44">
-          <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 relative-caret-position="264">
+          <caret line="12" column="30" selection-start-line="12" selection-start-column="30" selection-end-line="12" selection-end-column="30" />
         </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="330">
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-            <folding />
-          </first_editor>
-          <second_editor>
-            <markdownNavigatorState />
-          </second_editor>
+    <entry file="file://$PROJECT_DIR$/lib/src/i18n_model.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="819">
+          <caret line="52" column="9" selection-start-line="52" selection-start-column="9" selection-end-line="52" selection-end-column="9" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/src/date_model.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="66">
+          <caret line="3" lean-forward="true" selection-start-line="3" selection-end-line="3" />
+          <folding>
+            <element signature="e#0#64#0" expanded="true" />
+          </folding>
         </state>
       </provider>
     </entry>

example/pubspec.lock

@@ -1,391 +0,0 @@
-# Generated by pub
-# See https://www.dartlang.org/tools/pub/glossary#lockfile
-packages:
-  analyzer:
-    dependency: transitive
-    description:
-      name: analyzer
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.32.4"
-  args:
-    dependency: transitive
-    description:
-      name: args
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.5.0"
-  async:
-    dependency: transitive
-    description:
-      name: async
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.8"
-  boolean_selector:
-    dependency: transitive
-    description:
-      name: boolean_selector
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.4"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.2"
-  collection:
-    dependency: transitive
-    description:
-      name: collection
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.14.11"
-  convert:
-    dependency: transitive
-    description:
-      name: convert
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.2"
-  crypto:
-    dependency: transitive
-    description:
-      name: crypto
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.6"
-  csslib:
-    dependency: transitive
-    description:
-      name: csslib
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.14.5"
-  cupertino_icons:
-    dependency: "direct main"
-    description:
-      name: cupertino_icons
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.2"
-  flutter:
-    dependency: "direct main"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_datetime_picker:
-    dependency: "direct main"
-    description:
-      path: ".."
-      relative: true
-    source: path
-    version: "1.0.3"
-  flutter_test:
-    dependency: "direct dev"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  front_end:
-    dependency: transitive
-    description:
-      name: front_end
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.4"
-  glob:
-    dependency: transitive
-    description:
-      name: glob
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.7"
-  html:
-    dependency: transitive
-    description:
-      name: html
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.13.3+3"
-  http:
-    dependency: transitive
-    description:
-      name: http
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.11.3+17"
-  http_multi_server:
-    dependency: transitive
-    description:
-      name: http_multi_server
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.5"
-  http_parser:
-    dependency: transitive
-    description:
-      name: http_parser
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.1.3"
-  io:
-    dependency: transitive
-    description:
-      name: io
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.3"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.6.1+1"
-  json_rpc_2:
-    dependency: transitive
-    description:
-      name: json_rpc_2
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.9"
-  kernel:
-    dependency: transitive
-    description:
-      name: kernel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.4"
-  logging:
-    dependency: transitive
-    description:
-      name: logging
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.11.3+2"
-  matcher:
-    dependency: transitive
-    description:
-      name: matcher
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.12.3+1"
-  meta:
-    dependency: transitive
-    description:
-      name: meta
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.6"
-  mime:
-    dependency: transitive
-    description:
-      name: mime
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.6+2"
-  multi_server_socket:
-    dependency: transitive
-    description:
-      name: multi_server_socket
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.2"
-  node_preamble:
-    dependency: transitive
-    description:
-      name: node_preamble
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.4"
-  package_config:
-    dependency: transitive
-    description:
-      name: package_config
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.5"
-  package_resolver:
-    dependency: transitive
-    description:
-      name: package_resolver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.4"
-  path:
-    dependency: transitive
-    description:
-      name: path
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.6.2"
-  plugin:
-    dependency: transitive
-    description:
-      name: plugin
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.0+3"
-  pool:
-    dependency: transitive
-    description:
-      name: pool
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.6"
-  pub_semver:
-    dependency: transitive
-    description:
-      name: pub_semver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.2"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.0+1"
-  shelf:
-    dependency: transitive
-    description:
-      name: shelf
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.7.3+3"
-  shelf_packages_handler:
-    dependency: transitive
-    description:
-      name: shelf_packages_handler
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.4"
-  shelf_static:
-    dependency: transitive
-    description:
-      name: shelf_static
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.8"
-  shelf_web_socket:
-    dependency: transitive
-    description:
-      name: shelf_web_socket
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.2+4"
-  sky_engine:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.99"
-  source_map_stack_trace:
-    dependency: transitive
-    description:
-      name: source_map_stack_trace
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.5"
-  source_maps:
-    dependency: transitive
-    description:
-      name: source_maps
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.10.7"
-  source_span:
-    dependency: transitive
-    description:
-      name: source_span
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.1"
-  stack_trace:
-    dependency: transitive
-    description:
-      name: stack_trace
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.9.3"
-  stream_channel:
-    dependency: transitive
-    description:
-      name: stream_channel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.6.8"
-  string_scanner:
-    dependency: transitive
-    description:
-      name: string_scanner
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.4"
-  term_glyph:
-    dependency: transitive
-    description:
-      name: term_glyph
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.1"
-  test:
-    dependency: transitive
-    description:
-      name: test
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.6"
-  utf:
-    dependency: transitive
-    description:
-      name: utf
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.0+5"
-  vector_math:
-    dependency: transitive
-    description:
-      name: vector_math
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.8"
-  vm_service_client:
-    dependency: transitive
-    description:
-      name: vm_service_client
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.6"
-  watcher:
-    dependency: transitive
-    description:
-      name: watcher
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.7+10"
-  web_socket_channel:
-    dependency: transitive
-    description:
-      name: web_socket_channel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.9"
-  yaml:
-    dependency: transitive
-    description:
-      name: yaml
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.15"
-sdks:
-  dart: ">=2.0.0-dev.68.0 <3.0.0"

lib/flutter_datetime_picker.dart

@@ -4,6 +4,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_datetime_picker/src/date_model.dart';
 import 'package:flutter_datetime_picker/src/i18n_model.dart';
+
 export 'package:flutter_datetime_picker/src/date_model.dart';
 export 'package:flutter_datetime_picker/src/i18n_model.dart';
 
@@ -21,6 +22,8 @@ class DatePicker {
   ///
   static void showDatePicker(BuildContext context,
       {bool showTitleActions: true,
+      DateTime min,
+      DateTime max,
       DateChangedCallback onChanged,
       DateChangedCallback onConfirm,
       locale: LocaleType.en,
@@ -34,7 +37,7 @@ class DatePicker {
             locale: locale,
             theme: Theme.of(context, shadowThemeOnly: true),
             barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
-            pickerModel: DatePickerModel(currentTime: currentTime, locale: locale)));
+            pickerModel: DatePickerModel(currentTime: currentTime, max: max, min: min, locale: locale)));
   }
 
   ///
@@ -42,6 +45,8 @@ class DatePicker {
   ///
   static void showTimePicker(BuildContext context,
       {bool showTitleActions: true,
+      DateTime min,
+      DateTime max,
       DateChangedCallback onChanged,
       DateChangedCallback onConfirm,
       locale: LocaleType.en,
@@ -55,7 +60,7 @@ class DatePicker {
             locale: locale,
             theme: Theme.of(context, shadowThemeOnly: true),
             barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
-            pickerModel: TimePickerModel(currentTime: currentTime, locale: locale)));
+            pickerModel: TimePickerModel(currentTime: currentTime, max: max, min: min, locale: locale)));
   }
 
   ///
@@ -63,6 +68,8 @@ class DatePicker {
   ///
   static void showDateTimePicker(BuildContext context,
       {bool showTitleActions: true,
+      DateTime min,
+      DateTime max,
       DateChangedCallback onChanged,
       DateChangedCallback onConfirm,
       locale: LocaleType.en,
@@ -83,11 +90,7 @@ class DatePicker {
   /// Display date picker bottom sheet witch custom picker model.
   ///
   static void showPicker(BuildContext context,
-      {bool showTitleActions: true,
-      DateChangedCallback onChanged,
-      DateChangedCallback onConfirm,
-      locale: LocaleType.en,
-      BasePickerModel pickerModel}) {
+      {bool showTitleActions: true, DateChangedCallback onChanged, DateChangedCallback onConfirm, locale: LocaleType.en, BasePickerModel pickerModel}) {
     Navigator.push(
         context,
         new _DatePickerRoute(
@@ -143,8 +146,7 @@ class _DatePickerRoute<T> extends PopupRoute<T> {
   }
 
   @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,
@@ -163,8 +165,7 @@ class _DatePickerRoute<T> extends PopupRoute<T> {
 }
 
 class _DatePickerComponent extends StatefulWidget {
-  _DatePickerComponent(
-      {Key key, @required this.route, this.onChanged, this.locale, this.pickerModel});
+  _DatePickerComponent({Key key, @required this.route, this.onChanged, this.locale, this.pickerModel});
 
   final DateChangedCallback onChanged;
 
@@ -190,12 +191,9 @@ class _DatePickerState extends State<_DatePickerComponent> {
   }
 
   void refreshScrollOffset() {
-    leftScrollCtrl =
-        new FixedExtentScrollController(initialItem: widget.pickerModel.currentLeftIndex());
-    middleScrollCtrl =
-        new FixedExtentScrollController(initialItem: widget.pickerModel.currentMiddleIndex());
-    rightScrollCtrl =
-        new FixedExtentScrollController(initialItem: widget.pickerModel.currentRightIndex());
+    leftScrollCtrl = new FixedExtentScrollController(initialItem: widget.pickerModel.currentLeftIndex());
+    middleScrollCtrl = new FixedExtentScrollController(initialItem: widget.pickerModel.currentMiddleIndex());
+    rightScrollCtrl = new FixedExtentScrollController(initialItem: widget.pickerModel.currentRightIndex());
   }
 
   @override
@@ -206,8 +204,7 @@ class _DatePickerState extends State<_DatePickerComponent> {
         builder: (BuildContext context, Widget child) {
           return new ClipRect(
             child: new CustomSingleChildLayout(
-              delegate: new _BottomPickerLayout(widget.route.animation.value,
-                  showTitleActions: widget.route.showTitleActions),
+              delegate: new _BottomPickerLayout(widget.route.animation.value, showTitleActions: widget.route.showTitleActions),
               child: new GestureDetector(
                 child: Material(
                   color: Colors.transparent,
@@ -240,12 +237,8 @@ class _DatePickerState extends State<_DatePickerComponent> {
     return itemView;
   }
 
-  Widget _renderColumnView(
-      StringAtIndexCallBack stringAtIndexCB,
-      ScrollController scrollController,
-      int layoutProportion,
-      ValueChanged<int> selectedChangedWhenScrolling,
-      ValueChanged<int> selectedChangedWhenScrollEnd) {
+  Widget _renderColumnView(ValueKey key, StringAtIndexCallBack stringAtIndexCB, ScrollController scrollController, int layoutProportion,
+      ValueChanged<int> selectedChangedWhenScrolling, ValueChanged<int> selectedChangedWhenScrollEnd) {
     return Expanded(
       flex: layoutProportion,
       child: Container(
@@ -265,7 +258,7 @@ class _DatePickerState extends State<_DatePickerComponent> {
                 return false;
               },
               child: CupertinoPicker.builder(
-                  key: ValueKey(widget.pickerModel.currentMiddleIndex()),
+                  key: key,
                   backgroundColor: Colors.white,
                   scrollController: scrollController,
                   itemExtent: _kDatePickerItemHeight,
@@ -297,35 +290,36 @@ class _DatePickerState extends State<_DatePickerComponent> {
       child: Row(
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         children: <Widget>[
-          _renderColumnView(widget.pickerModel.leftStringAtIndex, leftScrollCtrl,
-              widget.pickerModel.layoutProportions()[0], (index) {
+          _renderColumnView(
+              ValueKey(widget.pickerModel.currentLeftIndex()), widget.pickerModel.leftStringAtIndex, leftScrollCtrl, widget.pickerModel.layoutProportions()[0],
+              (index) {
+            widget.pickerModel.setLeftIndex(index);
+          }, (index) {
             setState(() {
-              widget.pickerModel.setLeftIndex(index);
+              refreshScrollOffset();
+              _notifyDateChanged();
             });
-            _notifyDateChanged();
-          }, null),
+          }),
           Text(
             widget.pickerModel.leftDivider(),
             style: TextStyle(color: Color(0xFF000046), fontSize: _kDatePickerFontSize),
           ),
-          _renderColumnView(widget.pickerModel.middleStringAtIndex, middleScrollCtrl,
+          _renderColumnView(ValueKey(widget.pickerModel.currentLeftIndex()), widget.pickerModel.middleStringAtIndex, middleScrollCtrl,
               widget.pickerModel.layoutProportions()[1], (index) {
             widget.pickerModel.setMiddleIndex(index);
           }, (index) {
             setState(() {
               refreshScrollOffset();
+              _notifyDateChanged();
             });
-            _notifyDateChanged();
           }),
           Text(
             widget.pickerModel.rightDivider(),
             style: TextStyle(color: Color(0xFF000046), fontSize: _kDatePickerFontSize),
           ),
-          _renderColumnView(widget.pickerModel.rightStringAtIndex, rightScrollCtrl,
+          _renderColumnView(ValueKey(widget.pickerModel.currentMiddleIndex()), widget.pickerModel.rightStringAtIndex, rightScrollCtrl,
               widget.pickerModel.layoutProportions()[2], (index) {
-            setState(() {
-              widget.pickerModel.setRightIndex(index);
-            });
+            widget.pickerModel.setRightIndex(index);
             _notifyDateChanged();
           }, null),
         ],
@@ -363,7 +357,7 @@ class _DatePickerState extends State<_DatePickerComponent> {
               child: Text(
                 '$done',
                 style: TextStyle(
-                  color: Theme.of(context).primaryColor,
+                  color: Theme.of(context).accentColor,
                   fontSize: 16.0,
                 ),
               ),
@@ -403,11 +397,7 @@ class _BottomPickerLayout extends SingleChildLayoutDelegate {
       maxHeight += _kDatePickerTitleHeight;
     }
 
-    return new BoxConstraints(
-        minWidth: constraints.maxWidth,
-        maxWidth: constraints.maxWidth,
-        minHeight: 0.0,
-        maxHeight: maxHeight);
+    return new BoxConstraints(minWidth: constraints.maxWidth, maxWidth: constraints.maxWidth, minHeight: 0.0, maxHeight: maxHeight);
   }
 
   @override

lib/src/date_model.dart

@@ -1,19 +1,32 @@
+import 'package:flutter_commons_lang/flutter_commons_lang.dart';
 import 'package:flutter_datetime_picker/src/date_format.dart';
 import 'package:flutter_datetime_picker/src/i18n_model.dart';
 
 abstract class BasePickerModel {
   String leftStringAtIndex(int index);
+
   String middleStringAtIndex(int index);
+
   String rightStringAtIndex(int index);
+
   void setLeftIndex(int index);
+
   void setMiddleIndex(int index);
+
   void setRightIndex(int index);
+
   int currentLeftIndex();
+
   int currentMiddleIndex();
+
   int currentRightIndex();
+
   DateTime finalTime();
+
   String leftDivider();
+
   String rightDivider();
+
   List<int> layoutProportions();
 }
 
@@ -27,6 +40,7 @@ class CommonPickerModel extends BasePickerModel {
   int _currentRightIndex;
 
   LocaleType locale;
+
   CommonPickerModel({this.currentTime, locale}) : this.locale = locale ?? LocaleType.en;
 
   @override
@@ -96,15 +110,23 @@ class CommonPickerModel extends BasePickerModel {
 }
 
 class DatePickerModel extends CommonPickerModel {
+  DateTime max;
+  DateTime min;
   int maxYear;
   int minYear;
+  int maxMonth;
+  int minMonth;
+  int maxDay;
+  int minDay;
 
   List<int> _leapYearMonths = const <int>[1, 3, 5, 7, 8, 10, 12];
-  int _calcDateCount(int year, int month) {
-    if (_leapYearMonths.contains(month)) {
+
+  int _daysOfTheMonth(DateTime time) {
+    assert(time != null);
+    if (_leapYearMonths.contains(time.month)) {
       return 31;
-    } else if (month == 2) {
-      if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0) {
+    } else if (time.month == 2) {
+      if ((time.year % 4 == 0 && time.year % 100 != 0) || time.year % 400 == 0) {
         return 29;
       }
       return 28;
@@ -112,20 +134,23 @@ class DatePickerModel extends CommonPickerModel {
     return 30;
   }
 
-  DatePickerModel(
-      {this.maxYear = 2050, this.minYear = 1970, DateTime currentTime, LocaleType locale})
-      : super(locale: locale) {
+  DatePickerModel({DateTime currentTime, this.max, this.min, LocaleType locale}) : super(locale: locale) {
     if (currentTime != null) {
-      int year = currentTime.year;
-      if (this.maxYear < year) {
-        currentTime = DateTime(this.maxYear, 12, 31);
-      } else if (this.minYear > year) {
-        currentTime = DateTime(this.minYear, 1, 1);
+      if (max != null && currentTime.compareTo(max) > 0) {
+        currentTime = max;
+      } else if (min != null && currentTime.compareTo(min) < 0) {
+        currentTime = min;
       }
     }
     this.currentTime = currentTime ?? DateTime.now();
+
+    maxYear = max?.year ?? 2050;
+    minYear = min?.year ?? 1970;
+    minMonth = currentTime.year == min?.year ? min?.month : 1;
+    maxMonth = currentTime.year == max?.year ? max.month : 12;
+
     _currentLeftIndex = this.currentTime.year - minYear;
-    _currentMiddleIndex = this.currentTime.month - 1;
+    _currentMiddleIndex = this.currentTime.month - minMonth;
     _currentRightIndex = this.currentTime.day - 1;
 
     fillLeftLists();
@@ -140,37 +165,61 @@ class DatePickerModel extends CommonPickerModel {
   }
 
   void fillMiddleLists() {
-    this.middleList = List.generate(12, (int index) {
-      return '${index + 1}${_localeMonth()}';
+    minMonth = currentTime.year == min?.year ? min?.month : 1;
+    maxMonth = currentTime.year == max?.year ? max.month : 12;
+    this.middleList = List.generate(maxMonth - minMonth + 1, (int index) {
+      return '${minMonth + index}${_localeMonth()}';
     });
   }
 
   void fillRightLists() {
-    this.rightList = List.generate(
-        _calcDateCount(_currentLeftIndex + minYear, _currentMiddleIndex + 1), (int index) {
-      return '${index + 1}${_localeDay()}';
+    int dayCount = _daysOfTheMonth(currentTime);
+    minDay = currentTime.year == min?.year && currentTime.month == min?.month ? min.day : 1;
+    maxDay = currentTime.year == max?.year && currentTime.month == max?.month ? max.day : dayCount;
+    this.rightList = List.generate(maxDay - minDay + 1, (int index) {
+      return '${minDay + index}${_localeDay()}';
     });
   }
 
   @override
   void setLeftIndex(int index) {
-    // TODO: implement setLeftIndex
+    if (index - minYear > maxYear) index = maxYear - minYear;
     super.setLeftIndex(index);
+    int month = currentTime.month;
+    currentTime = DateUtils.set(currentTime, year: index + minYear);
+    fillMiddleLists();
+
+    if (month > maxMonth) {
+      setMiddleIndex(maxMonth - minMonth);
+    } else if (month < minMonth) {
+      setMiddleIndex(0);
+    } else {
+      setMiddleIndex(month - minMonth);
+    }
   }
 
   @override
   void setMiddleIndex(int index) {
-    _currentMiddleIndex = index;
+    if (index - minMonth > maxMonth) index = maxMonth - minMonth;
+    super.setMiddleIndex(index);
+    int day = currentTime.day;
+    currentTime = DateUtils.set(currentTime, month: index + minMonth, day: 1);
     fillRightLists();
-    final dayCount = _calcDateCount(_currentLeftIndex + minYear, _currentMiddleIndex + 1);
-    if (_currentRightIndex >= dayCount) {
-      _currentRightIndex = dayCount;
+
+    if (day > maxDay) {
+      setRightIndex(maxDay - minDay);
+    } else if (day < minDay) {
+      setRightIndex(0);
+    } else {
+      setRightIndex(day - minDay);
     }
   }
 
   @override
   void setRightIndex(int index) {
+    if (index - minDay > maxDay) index = maxDay - minDay;
     super.setRightIndex(index);
+    currentTime = DateUtils.set(currentTime, day: index + minDay);
   }
 
   @override
@@ -227,24 +276,113 @@ class DatePickerModel extends CommonPickerModel {
   @override
   DateTime finalTime() {
     final year = _currentLeftIndex + minYear;
-    final month = _currentMiddleIndex + 1;
+    final month = _currentMiddleIndex + minMonth;
     final day = _currentRightIndex + 1;
     return DateTime(year, month, day);
   }
 }
 
 class TimePickerModel extends CommonPickerModel {
-  TimePickerModel({DateTime currentTime, LocaleType locale}) : super(locale: locale) {
+  DateTime max;
+  DateTime min;
+  int maxHour;
+  int minHour;
+  int maxMinute;
+  int minMinute;
+  int maxSecond;
+  int minSecond;
+
+  TimePickerModel({DateTime currentTime, this.max, this.min, LocaleType locale}) : super(locale: locale) {
+    if (currentTime != null) {
+      if (max != null && currentTime.compareTo(max) > 0) {
+        currentTime = max;
+      } else if (min != null && currentTime.compareTo(min) < 0) {
+        currentTime = min;
+      }
+    }
     this.currentTime = currentTime ?? DateTime.now();
+
+    maxHour = max?.hour ?? 23;
+    minHour = min?.hour ?? 0;
+    maxMinute = DateUtils.truncatedEquals(currentTime, max, DateUtils.MINUTE) ? max.minute : 59;
+    minMinute = DateUtils.truncatedEquals(currentTime, min, DateUtils.MINUTE) ? min?.minute : 0;
+
     _currentLeftIndex = this.currentTime.hour;
     _currentMiddleIndex = this.currentTime.minute;
     _currentRightIndex = this.currentTime.second;
+
+    fillLeftLists();
+    fillMiddleLists();
+    fillRightLists();
+  }
+
+  void fillLeftLists() {
+    this.leftList = List.generate(maxHour - minHour + 1, (int index) {
+      return digits(minHour + index, 2);
+    });
+  }
+
+  void fillMiddleLists() {
+    maxMinute = DateUtils.truncatedEquals(currentTime, max, DateUtils.HOUR) ? max?.minute : 59;
+    minMinute = DateUtils.truncatedEquals(currentTime, min, DateUtils.HOUR) ? min?.minute : 0;
+    this.middleList = List.generate(maxMinute - minMinute + 1, (int index) {
+      return digits(minMinute + index, 2);
+    });
+  }
+
+  void fillRightLists() {
+    maxSecond = DateUtils.truncatedEquals(currentTime, max, DateUtils.MINUTE) ? max.second : 59;
+    minSecond = DateUtils.truncatedEquals(currentTime, min, DateUtils.MINUTE) ? min.second : 0;
+    this.rightList = List.generate(maxSecond - minSecond + 1, (int index) {
+      return digits(minSecond + index, 2);
+    });
+  }
+
+  @override
+  void setLeftIndex(int index) {
+    if (index - minHour > maxHour) index = maxHour - minHour;
+    super.setLeftIndex(index);
+    int minute = currentTime.minute;
+    currentTime = DateUtils.set(currentTime, hour: index + minHour);
+    fillMiddleLists();
+
+    if (minute > maxMinute) {
+      setMiddleIndex(maxMinute - minMinute);
+    } else if (minute < minMinute) {
+      setMiddleIndex(0);
+    } else {
+      setMiddleIndex(minute - minMinute);
+    }
+  }
+
+  @override
+  void setMiddleIndex(int index) {
+    if (index - minMinute > maxMinute) index = maxMinute - minMinute;
+    super.setMiddleIndex(index);
+    int second = currentTime.second;
+    currentTime = DateUtils.set(currentTime, minute: index + minMinute, second: 1);
+    fillRightLists();
+
+    if (second > maxSecond) {
+      setRightIndex(maxSecond - minSecond);
+    } else if (second < minSecond) {
+      setRightIndex(0);
+    } else {
+      setRightIndex(second - minSecond);
+    }
+  }
+
+  @override
+  void setRightIndex(int index) {
+    if (index - minSecond > maxSecond) index = maxSecond - minSecond;
+    super.setRightIndex(index);
+    currentTime = DateUtils.set(currentTime, second: index + minSecond);
   }
 
   @override
   String leftStringAtIndex(int index) {
-    if (index >= 0 && index < 24) {
-      return digits(index, 2);
+    if (index >= 0 && index < leftList.length) {
+      return leftList[index];
     } else {
       return null;
     }
@@ -252,8 +390,8 @@ class TimePickerModel extends CommonPickerModel {
 
   @override
   String middleStringAtIndex(int index) {
-    if (index >= 0 && index < 60) {
-      return digits(index, 2);
+    if (index >= 0 && index < middleList.length) {
+      return middleList[index];
     } else {
       return null;
     }
@@ -261,8 +399,8 @@ class TimePickerModel extends CommonPickerModel {
 
   @override
   String rightStringAtIndex(int index) {
-    if (index >= 0 && index < 60) {
-      return digits(index, 2);
+    if (index >= 0 && index < rightList.length) {
+      return rightList[index];
     } else {
       return null;
     }
@@ -280,8 +418,7 @@ 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);
   }
 }
 

pubspec.lock

@@ -1,377 +0,0 @@
-# Generated by pub
-# See https://www.dartlang.org/tools/pub/glossary#lockfile
-packages:
-  analyzer:
-    dependency: transitive
-    description:
-      name: analyzer
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.32.4"
-  args:
-    dependency: transitive
-    description:
-      name: args
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.5.0"
-  async:
-    dependency: transitive
-    description:
-      name: async
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.8"
-  boolean_selector:
-    dependency: transitive
-    description:
-      name: boolean_selector
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.4"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.2"
-  collection:
-    dependency: transitive
-    description:
-      name: collection
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.14.11"
-  convert:
-    dependency: transitive
-    description:
-      name: convert
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.2"
-  crypto:
-    dependency: transitive
-    description:
-      name: crypto
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.6"
-  csslib:
-    dependency: transitive
-    description:
-      name: csslib
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.14.5"
-  flutter:
-    dependency: "direct main"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_test:
-    dependency: "direct dev"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  front_end:
-    dependency: transitive
-    description:
-      name: front_end
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.1.4"
-  glob:
-    dependency: transitive
-    description:
-      name: glob
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.7"
-  html:
-    dependency: transitive
-    description:
-      name: html
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.13.3+3"
-  http:
-    dependency: transitive
-    description:
-      name: http
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.11.3+17"
-  http_multi_server:
-    dependency: transitive
-    description:
-      name: http_multi_server
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.5"
-  http_parser:
-    dependency: transitive
-    description:
-      name: http_parser
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.1.3"
-  io:
-    dependency: transitive
-    description:
-      name: io
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.3"
-  js:
-    dependency: transitive
-    description:
-      name: js
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.6.1+1"
-  json_rpc_2:
-    dependency: transitive
-    description:
-      name: json_rpc_2
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.9"
-  kernel:
-    dependency: transitive
-    description:
-      name: kernel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.4"
-  logging:
-    dependency: transitive
-    description:
-      name: logging
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.11.3+2"
-  matcher:
-    dependency: transitive
-    description:
-      name: matcher
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.12.3+1"
-  meta:
-    dependency: transitive
-    description:
-      name: meta
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.6"
-  mime:
-    dependency: transitive
-    description:
-      name: mime
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.6+2"
-  multi_server_socket:
-    dependency: transitive
-    description:
-      name: multi_server_socket
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.2"
-  node_preamble:
-    dependency: transitive
-    description:
-      name: node_preamble
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.4"
-  package_config:
-    dependency: transitive
-    description:
-      name: package_config
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.5"
-  package_resolver:
-    dependency: transitive
-    description:
-      name: package_resolver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.4"
-  path:
-    dependency: transitive
-    description:
-      name: path
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.6.2"
-  plugin:
-    dependency: transitive
-    description:
-      name: plugin
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.0+3"
-  pool:
-    dependency: transitive
-    description:
-      name: pool
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.6"
-  pub_semver:
-    dependency: transitive
-    description:
-      name: pub_semver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.2"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.0+1"
-  shelf:
-    dependency: transitive
-    description:
-      name: shelf
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.7.3+3"
-  shelf_packages_handler:
-    dependency: transitive
-    description:
-      name: shelf_packages_handler
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.4"
-  shelf_static:
-    dependency: transitive
-    description:
-      name: shelf_static
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.8"
-  shelf_web_socket:
-    dependency: transitive
-    description:
-      name: shelf_web_socket
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.2+4"
-  sky_engine:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.99"
-  source_map_stack_trace:
-    dependency: transitive
-    description:
-      name: source_map_stack_trace
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.5"
-  source_maps:
-    dependency: transitive
-    description:
-      name: source_maps
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.10.7"
-  source_span:
-    dependency: transitive
-    description:
-      name: source_span
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.4.1"
-  stack_trace:
-    dependency: transitive
-    description:
-      name: stack_trace
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.9.3"
-  stream_channel:
-    dependency: transitive
-    description:
-      name: stream_channel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.6.8"
-  string_scanner:
-    dependency: transitive
-    description:
-      name: string_scanner
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.4"
-  term_glyph:
-    dependency: transitive
-    description:
-      name: term_glyph
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.1"
-  test:
-    dependency: transitive
-    description:
-      name: test
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.6"
-  utf:
-    dependency: transitive
-    description:
-      name: utf
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.0+5"
-  vector_math:
-    dependency: transitive
-    description:
-      name: vector_math
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.8"
-  vm_service_client:
-    dependency: transitive
-    description:
-      name: vm_service_client
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.6"
-  watcher:
-    dependency: transitive
-    description:
-      name: watcher
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.9.7+10"
-  web_socket_channel:
-    dependency: transitive
-    description:
-      name: web_socket_channel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.9"
-  yaml:
-    dependency: transitive
-    description:
-      name: yaml
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.15"
-sdks:
-  dart: ">=2.0.0-dev.68.0 <3.0.0"

pubspec.yaml

@@ -10,6 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  flutter_commons_lang: ^1.0.5
 
 dev_dependencies:
   flutter_test: