diff --git a/.idea/libraries/Dart_Packages.xml b/.idea/libraries/Dart_Packages.xml
index 25edb9a..2e7d81c 100644
--- a/.idea/libraries/Dart_Packages.xml
+++ b/.idea/libraries/Dart_Packages.xml
@@ -5,190 +5,206 @@
         <entry key="async">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/async-2.0.8/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/async-2.5.0-nullsafety.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="boolean_selector">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/boolean_selector-1.0.4/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/boolean_selector-2.1.0-nullsafety.1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="characters">
+          <value>
+            <list>
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/characters-1.1.0-nullsafety.3/lib" />
             </list>
           </value>
         </entry>
         <entry key="charcode">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/charcode-1.1.2/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/charcode-1.2.0-nullsafety.1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="clock">
+          <value>
+            <list>
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/clock-1.1.0-nullsafety.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="collection">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/collection-1.14.11/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/collection-1.15.0-nullsafety.3/lib" />
             </list>
           </value>
         </entry>
         <entry key="cupertino_icons">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/cupertino_icons-0.1.2/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/cupertino_icons-0.1.3/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="fake_async">
+          <value>
+            <list>
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/fake_async-1.2.0-nullsafety.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="flutter">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/packages/flutter/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/packages/flutter/lib" />
             </list>
           </value>
         </entry>
         <entry key="flutter_page_indicator">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_page_indicator-0.0.3/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_page_indicator-0.0.3/lib" />
             </list>
           </value>
         </entry>
         <entry key="flutter_test">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/packages/flutter_test/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/packages/flutter_test/lib" />
             </list>
           </value>
         </entry>
         <entry key="matcher">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/matcher-0.12.3+1/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.10-nullsafety.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="meta">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/meta-1.1.6/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/meta-1.3.0-nullsafety.3/lib" />
             </list>
           </value>
         </entry>
         <entry key="path">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/path-1.6.2/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/path-1.8.0-nullsafety.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="percent_indicator">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/percent_indicator-1.0.9/lib" />
-            </list>
-          </value>
-        </entry>
-        <entry key="quiver">
-          <value>
-            <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/quiver-2.0.1/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/percent_indicator-2.1.9+1/lib" />
             </list>
           </value>
         </entry>
         <entry key="sky_engine">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/bin/cache/pkg/sky_engine/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/bin/cache/pkg/sky_engine/lib" />
             </list>
           </value>
         </entry>
         <entry key="source_span">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/source_span-1.4.1/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.8.0-nullsafety.2/lib" />
             </list>
           </value>
         </entry>
         <entry key="stack_trace">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/stack_trace-1.9.3/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.10.0-nullsafety.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="stream_channel">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/stream_channel-1.6.8/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/stream_channel-2.1.0-nullsafety.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="string_scanner">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/string_scanner-1.0.4/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.1.0-nullsafety.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="term_glyph">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/term_glyph-1.0.1/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.2.0-nullsafety.1/lib" />
             </list>
           </value>
         </entry>
         <entry key="test_api">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/test_api-0.2.1/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/test_api-0.2.19-nullsafety.2/lib" />
             </list>
           </value>
         </entry>
         <entry key="transformer_page_view">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/transformer_page_view-0.1.5/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/git/transformer_page_view-8759c4ed49504eba5d31307f56eff451e027e97c/lib" />
             </list>
           </value>
         </entry>
         <entry key="typed_data">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/typed_data-1.1.6/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/typed_data-1.3.0-nullsafety.3/lib" />
             </list>
           </value>
         </entry>
         <entry key="vector_math">
           <value>
             <list>
-              <option value="$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/vector_math-2.0.8/lib" />
+              <option value="$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/vector_math-2.1.0-nullsafety.3/lib" />
             </list>
           </value>
         </entry>
       </option>
     </properties>
     <CLASSES>
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/async-2.0.8/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/boolean_selector-1.0.4/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/charcode-1.1.2/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/collection-1.14.11/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/cupertino_icons-0.1.2/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_page_indicator-0.0.3/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/matcher-0.12.3+1/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/meta-1.1.6/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/path-1.6.2/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/percent_indicator-1.0.9/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/quiver-2.0.1/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/source_span-1.4.1/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/stack_trace-1.9.3/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/stream_channel-1.6.8/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/string_scanner-1.0.4/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/term_glyph-1.0.1/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/test_api-0.2.1/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/transformer_page_view-0.1.5/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/typed_data-1.1.6/lib" />
-      <root url="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/vector_math-2.0.8/lib" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/pkg/sky_engine/lib" />
-      <root url="file://$USER_HOME$/working/flutter/packages/flutter/lib" />
-      <root url="file://$USER_HOME$/working/flutter/packages/flutter_test/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/git/transformer_page_view-8759c4ed49504eba5d31307f56eff451e027e97c/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/async-2.5.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/boolean_selector-2.1.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/characters-1.1.0-nullsafety.3/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/charcode-1.2.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/clock-1.1.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/collection-1.15.0-nullsafety.3/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/cupertino_icons-0.1.3/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/fake_async-1.2.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/flutter_page_indicator-0.0.3/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.10-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/meta-1.3.0-nullsafety.3/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/path-1.8.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/percent_indicator-2.1.9+1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.8.0-nullsafety.2/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.10.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/stream_channel-2.1.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.1.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.2.0-nullsafety.1/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/test_api-0.2.19-nullsafety.2/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/typed_data-1.3.0-nullsafety.3/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/.pub-cache/hosted/pub.dartlang.org/vector_math-2.1.0-nullsafety.3/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/pkg/sky_engine/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/packages/flutter/lib" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/packages/flutter_test/lib" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/.idea/libraries/Dart_SDK.xml b/.idea/libraries/Dart_SDK.xml
index 321b902..3aeef26 100644
--- a/.idea/libraries/Dart_SDK.xml
+++ b/.idea/libraries/Dart_SDK.xml
@@ -1,25 +1,27 @@
 <component name="libraryTable">
   <library name="Dart SDK">
     <CLASSES>
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/async" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/cli" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/collection" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/convert" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/core" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/developer" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/html" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/indexed_db" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/io" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/isolate" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/js" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/js_util" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/math" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/mirrors" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/svg" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/typed_data" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/web_audio" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/web_gl" />
-      <root url="file://$USER_HOME$/working/flutter/bin/cache/dart-sdk/lib/web_sql" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/async" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/cli" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/collection" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/convert" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/core" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/developer" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/ffi" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/html" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/indexed_db" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/io" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/js" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/js_util" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/math" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/svg" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/wasm" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/web_audio" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/web_gl" />
+      <root url="file://$USER_HOME$/snap/flutter/common/flutter/bin/cache/dart-sdk/lib/web_sql" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 6e2e466..3f41cf2 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -7,49 +7,24 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="c786231b-ff91-4235-b541-261fe51b92a1" name="Default" comment="">
-      <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_Packages.xml" beforeDir="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="$PROJECT_DIR$/CHANGELOG.md" beforeDir="false" afterPath="$PROJECT_DIR$/CHANGELOG.md" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/lib/main.dart" beforeDir="false" afterPath="$PROJECT_DIR$/example/lib/main.dart" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/example/lib/src/ExampleSwiperInScrollView.dart" beforeDir="false" afterPath="$PROJECT_DIR$/example/lib/src/ExampleSwiperInScrollView.dart" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/build.gradle" beforeDir="false" afterPath="$PROJECT_DIR$/example/android/app/build.gradle" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/AndroidManifest.xml" beforeDir="false" afterPath="$PROJECT_DIR$/example/android/app/src/main/AndroidManifest.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/java/com/example/example/MainActivity.java" beforeDir="false" afterPath="$PROJECT_DIR$/example/android/app/src/main/java/com/example/example/MainActivity.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/app/src/main/res/values/styles.xml" beforeDir="false" afterPath="$PROJECT_DIR$/example/android/app/src/main/res/values/styles.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/android/gradle.properties" beforeDir="false" afterPath="$PROJECT_DIR$/example/android/gradle.properties" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/example/lib/listener_test.dart" beforeDir="false" afterPath="$PROJECT_DIR$/example/lib/listener_test.dart" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/example/pubspec.lock" beforeDir="false" afterPath="$PROJECT_DIR$/example/pubspec.lock" afterDir="false" />
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-    <ignored path="$PROJECT_DIR$/.idea/" />
-    <ignored path="$PROJECT_DIR$/.pub/" />
-    <ignored path="$PROJECT_DIR$/build/" />
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-      <file leaf-file-name="pubspec.yaml" pinned="false" current-in-tab="false">
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-      <file leaf-file-name="CHANGELOG.md" pinned="false" current-in-tab="true">
-        <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
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@@ -99,110 +74,24 @@
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     <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
   </component>
-  <component name="IdeDocumentHistory">
-    <option name="CHANGED_PATHS">
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-        <option value="$PROJECT_DIR$/lib/src/swiper_indicator.dart" />
-        <option value="$PROJECT_DIR$/lib/flutter_swiper.dart" />
-        <option value="$PROJECT_DIR$/lib/src/swiper_autoplay.dart" />
-        <option value="$PROJECT_DIR$/example/lib/src/config.dart" />
-        <option value="$PROJECT_DIR$/example/lib/src/forms/form_check_box.dart" />
-        <option value="$PROJECT_DIR$/example/lib/src/forms/form_switch.dart" />
-        <option value="$PROJECT_DIR$/test/lib/SwiperApp.dart" />
-        <option value="$PROJECT_DIR$/../../GitHub/infinity_page_view/README.md" />
-        <option value="$PROJECT_DIR$/README-CN.md" />
-        <option value="$PROJECT_DIR$/.travis.yml" />
-        <option value="$PROJECT_DIR$/dev/bots/travis_script.sh" />
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-        <option value="$PROJECT_DIR$/lib/src/swiper_control.dart" />
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-        <option value="$PROJECT_DIR$/test/pagination_test.dart" />
-        <option value="$PROJECT_DIR$/test/control_test.dart" />
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-        <option value="$PROJECT_DIR$/ROADMAP.md" />
-        <option value="$PROJECT_DIR$/test/layout_test.dart" />
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-        <option value="$PROJECT_DIR$/lib/src/swiper_controller.dart" />
-        <option value="$PROJECT_DIR$/README-ZH.md" />
-        <option value="$PROJECT_DIR$/example/lib/main.dart" />
-        <option value="$PROJECT_DIR$/example/lib/src/ExampleSwiperInScrollView.dart" />
-        <option value="$PROJECT_DIR$/pubspec.yaml" />
-        <option value="$PROJECT_DIR$/CHANGELOG.md" />
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     <option name="x" value="250" />
     <option name="y" value="23" />
     <option name="width" value="1266" />
     <option name="height" value="875" />
   </component>
+  <component name="ProjectId" id="1qWQgIeFiMjEWtbmz8dC64GvPVi" />
   <component name="ProjectLevelVcsManager" settingsEditedManually="true">
     <ConfirmationsSetting value="1" id="Add" />
   </component>
-  <component name="ProjectView">
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-      <foldersAlwaysOnTop value="true" />
-    </navigator>
-    <panes>
-      <pane id="PackagesPane" />
-      <pane id="AndroidView">
-        <subPane>
-          <expand>
-            <path>
-              <item name="flutter_swiper" type="1abcf292:AndroidViewProjectNode" />
-              <item name="flutter_swiper" type="e9137016:NonAndroidModuleNode" />
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-            <path>
-              <item name="flutter_swiper" type="1abcf292:AndroidViewProjectNode" />
-              <item name="flutter_swiper" type="e9137016:NonAndroidModuleNode" />
-              <item name="java" type="f7eae187:NonAndroidSourceTypeNode" />
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-      <pane id="ProjectPane">
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-              <item name="flutter_swiper" type="462c0819:PsiDirectoryNode" />
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-          <select />
-        </subPane>
-        <option name="show-excluded-files" value="false" />
-      </pane>
-      <pane id="Scope" />
-    </panes>
+  <component name="ProjectViewState">
+    <option name="showLibraryContents" value="true" />
   </component>
   <component name="PropertiesComponent">
     <property name="dart.analysis.tool.window.force.activate" value="false" />
+    <property name="dart.analysis.tool.window.visible" value="false" />
     <property name="io.flutter.reload.alreadyRun" value="true" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/example/android/app/src/main/res/values" />
     <property name="project.structure.last.edited" value="Modules" />
     <property name="project.structure.proportion" value="0.15" />
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@@ -210,100 +99,67 @@
     <property name="show.migrate.to.gradle.popup" value="false" />
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-    <key name="MoveFile.RECENT_KEYS">
-      <recent name="$PROJECT_DIR$/example/lib" />
-      <recent name="$PROJECT_DIR$/lib/src" />
-    </key>
     <key name="CopyFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/example/android/app/src/main/res/values" />
       <recent name="$PROJECT_DIR$/example/images" />
       <recent name="$PROJECT_DIR$/test" />
       <recent name="$PROJECT_DIR$" />
       <recent name="$PROJECT_DIR$/lib" />
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-  <component name="RunDashboard">
-    <option name="ruleStates">
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-        </RuleState>
-        <RuleState>
-          <option name="name" value="StatusDashboardGroupingRule" />
-        </RuleState>
-      </list>
-    </option>
+    <key name="MoveFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/example/lib" />
+      <recent name="$PROJECT_DIR$/lib/src" />
+    </key>
   </component>
   <component name="RunManager" selected="Flutter.main.dart">
-    <configuration default="true" type="AndroidJUnit" factoryName="Android JUnit">
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="PACKAGE_NAME" />
+    <configuration name="&lt;template&gt;" type="Applet" default="true" selected="false">
+      <option name="MAIN_CLASS_NAME" />
+      <option name="HTML_FILE_NAME" />
+      <option name="HTML_USED" value="false" />
+      <option name="WIDTH" value="400" />
+      <option name="HEIGHT" value="300" />
+      <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
+      <option name="VM_PARAMETERS" />
+    </configuration>
+    <configuration name="&lt;template&gt;" type="JUnit" default="true" selected="false">
       <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
-      <option name="TEST_OBJECT" value="class" />
       <option name="VM_PARAMETERS" value="-ea" />
       <option name="PARAMETERS" />
-      <option name="WORKING_DIRECTORY" value="$MODULE_DIR$" />
-      <option name="PASS_PARENT_ENVS" value="true" />
-      <option name="TEST_SEARCH_SCOPE">
-        <value defaultName="singleModule" />
-      </option>
-      <patterns />
+      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
+    </configuration>
+    <configuration name="&lt;template&gt;" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" default="true" selected="false">
+      <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
     </configuration>
     <configuration default="true" type="Application" factoryName="Application">
       <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <configuration name="InnerSwiper.dart" type="FlutterRunConfigurationType" factoryName="Flutter">
       <option name="filePath" value="$PROJECT_DIR$/example/lib/InnerSwiper.dart" />
+      <method v="2" />
     </configuration>
     <configuration name="main.dart" type="FlutterRunConfigurationType" factoryName="Flutter">
       <option name="filePath" value="$PROJECT_DIR$/example/lib/main.dart" />
+      <method v="2" />
     </configuration>
     <configuration name="swiper_tranform_depeth.dart" type="FlutterRunConfigurationType" factoryName="Flutter">
       <option name="filePath" value="$PROJECT_DIR$/example/lib/swiper_tranform_depeth.dart" />
+      <method v="2" />
     </configuration>
     <configuration name="flutter_swiper_test.dart" type="FlutterTestConfigType" factoryName="Flutter Test">
       <option name="testFile" value="$PROJECT_DIR$/test/flutter_swiper_test.dart" />
+      <method v="2" />
     </configuration>
-    <configuration default="true" type="TestNG" factoryName="TestNG">
-      <option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
-      <option name="ALTERNATIVE_JRE_PATH" />
-      <option name="SUITE_NAME" />
-      <option name="PACKAGE_NAME" />
-      <option name="MAIN_CLASS_NAME" />
-      <option name="METHOD_NAME" />
-      <option name="GROUP_NAME" />
+    <configuration default="true" type="TestNG">
       <option name="TEST_OBJECT" value="CLASS" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
       <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
-      <option name="OUTPUT_DIRECTORY" />
-      <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" />
       <properties />
       <listeners />
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-    <configuration name="&lt;template&gt;" type="Applet" default="true" selected="false">
-      <option name="MAIN_CLASS_NAME" />
-      <option name="HTML_FILE_NAME" />
-      <option name="HTML_USED" value="false" />
-      <option name="WIDTH" value="400" />
-      <option name="HEIGHT" value="300" />
-      <option name="POLICY_FILE" value="$APPLICATION_HOME_DIR$/bin/appletviewer.policy" />
-      <option name="VM_PARAMETERS" />
-    </configuration>
-    <configuration name="&lt;template&gt;" type="JUnit" default="true" selected="false">
-      <option name="MAIN_CLASS_NAME" />
-      <option name="VM_PARAMETERS" value="-ea" />
-      <option name="PARAMETERS" />
-      <option name="WORKING_DIRECTORY" value="%MODULE_WORKING_DIR%" />
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-    <configuration name="&lt;template&gt;" type="#org.jetbrains.idea.devkit.run.PluginConfigurationType" default="true" selected="false">
-      <option name="VM_PARAMETERS" value="-Xmx512m -Xms256m -XX:MaxPermSize=250m -ea" />
+      <method v="2">
+        <option name="Make" enabled="true" />
+      </method>
     </configuration>
     <list>
       <item itemvalue="Flutter.swiper_tranform_depeth.dart" />
@@ -366,42 +222,31 @@
       <is-autoscroll-to-source value="true" />
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-    </layout>
-  </component>
-  <component name="VcsContentAnnotationSettings">
-    <option name="myLimit" value="2678400000" />
+  <component name="WindowStateProjectService">
+    <state width="1324" height="187" key="GridCell.Tab.0.bottom" timestamp="1617193221914">
+      <screen x="0" y="0" width="1366" height="768" />
+    </state>
+    <state width="1324" height="187" key="GridCell.Tab.0.bottom/0.0.1366.768@0.0.1366.768" timestamp="1617193221914" />
+    <state width="1324" height="187" key="GridCell.Tab.0.center" timestamp="1617193221912">
+      <screen x="0" y="0" width="1366" height="768" />
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+    <state width="1324" height="187" key="GridCell.Tab.0.center/0.0.1366.768@0.0.1366.768" timestamp="1617193221912" />
+    <state width="1324" height="187" key="GridCell.Tab.0.left" timestamp="1617193221911">
+      <screen x="0" y="0" width="1366" height="768" />
+    </state>
+    <state width="1324" height="187" key="GridCell.Tab.0.left/0.0.1366.768@0.0.1366.768" timestamp="1617193221911" />
+    <state width="1324" height="187" key="GridCell.Tab.0.right" timestamp="1617193221913">
+      <screen x="0" y="0" width="1366" height="768" />
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+    <state width="1324" height="187" key="GridCell.Tab.0.right/0.0.1366.768@0.0.1366.768" timestamp="1617193221913" />
+    <state x="187" y="18" key="SettingsEditor" timestamp="1617193023768">
+      <screen x="0" y="0" width="1366" height="768" />
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+    <state x="187" y="18" key="SettingsEditor/0.0.1366.768@0.0.1366.768" timestamp="1617193023768" />
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+    <state x="346" y="88" width="672" height="678" key="search.everywhere.popup/0.0.1366.768@0.0.1366.768" timestamp="1617193095342" />
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   <component name="XDebuggerManager">
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@@ -413,261 +258,10 @@
         </line-breakpoint>
       </breakpoints>
       <default-breakpoints>
-        <breakpoint type="dart-exception">
-          <properties />
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+        <breakpoint type="dart-exception" />
       </default-breakpoints>
-      <option name="time" value="237" />
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-  <component name="editorHistoryManager">
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-    <entry file="file://$PROJECT_DIR$/../flutter/packages/flutter/lib/src/services/asset_bundle.dart" />
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-    <entry file="file://$PROJECT_DIR$/CHANGELOG-ZH.md" />
-    <entry file="file://$PROJECT_DIR$/../flutter/packages/flutter/lib/src/widgets/navigator.dart" />
-    <entry file="file://$PROJECT_DIR$/../flutter/packages/flutter/lib/src/material/app.dart" />
-    <entry file="file://$PROJECT_DIR$/example/lib/src/forms/form_widget.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1635">
-          <caret line="110" selection-start-line="110" selection-end-line="110" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/../flutter/.pub-cache/hosted/pub.flutter-io.cn/transformer_page_view-0.0.9/lib/transformer_page_view.dart" />
-    <entry file="file://$PROJECT_DIR$/lib/src/custom_layout.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="2880">
-          <caret line="192" column="42" lean-forward="true" selection-start-line="192" selection-start-column="42" selection-end-line="192" selection-end-column="42" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/transformer_page_view-0.0.9/lib/transformer_page_view.dart" />
-    <entry file="file://$PROJECT_DIR$/lib/src/swiper_plugin.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="330">
-          <caret line="24" column="24" lean-forward="true" selection-start-line="24" selection-start-column="24" selection-end-line="24" selection-end-column="24" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_page_indicator-0.0.2/lib/flutter_page_indicator.dart" />
-    <entry file="file://$PROJECT_DIR$/pubspec.lock">
-      <provider selected="true" editor-type-id="text-editor">
-        <state />
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/../../transformer_page_view/lib/transformer_page_view.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-2528">
-          <caret line="23" lean-forward="true" selection-start-line="23" selection-end-line="23" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/src/config.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="75">
-          <caret line="5" selection-start-line="5" selection-end-line="5" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/swiper_pagination.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="168">
-          <caret line="186" selection-start-line="186" selection-end-line="186" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$USER_HOME$/working/flutter/packages/flutter/lib/src/widgets/scroll_controller.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="192">
-          <caret line="112" column="3" lean-forward="true" selection-start-line="112" selection-start-column="3" selection-end-line="112" selection-end-column="3" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/transformer_page_view-0.1.0/lib/transformer_page_view.dart" />
-    <entry file="file://$USER_HOME$/working/flutter/packages/flutter/lib/src/foundation/change_notifier.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-412">
-          <caret line="134" column="14" selection-start-line="134" selection-start-column="4" selection-end-line="134" selection-end-column="14" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$USER_HOME$/working/flutter/packages/flutter/lib/src/widgets/framework.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="157">
-          <caret line="933" column="15" selection-start-line="933" selection-start-column="15" selection-end-line="933" selection-end-column="15" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/flutter_page_indicator-0.0.3/lib/flutter_page_indicator.dart" />
-    <entry file="file://$PROJECT_DIR$/example/test/widget_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="120">
-          <caret line="15" selection-start-line="15" selection-end-line="15" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/test/pagination_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="255">
-          <caret line="19" column="45" selection-start-line="19" selection-start-column="45" selection-end-line="19" selection-end-column="45" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/.packages" />
-    <entry file="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/transformer_page_view-0.1.1/lib/transformer_page_view.dart" />
-    <entry file="file://$USER_HOME$/working/flutter/.pub-cache/hosted/pub.flutter-io.cn/transformer_page_view-0.1.4/lib/index_controller.dart" />
-    <entry file="file://$PROJECT_DIR$/ROADMAP.md">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="90">
-          <caret line="6" column="14" lean-forward="true" selection-start-line="6" selection-start-column="14" selection-end-line="6" selection-end-column="14" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/README-ZH.md">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="570">
-          <caret line="38" column="92" selection-start-line="38" selection-start-column="92" selection-end-line="38" selection-end-column="92" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/swiper_control.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="1005">
-          <caret line="68" column="12" lean-forward="true" selection-start-line="68" selection-start-column="12" selection-end-line="68" selection-end-column="12" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/test/flutter_swiper_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="173">
-          <caret line="148" column="42" selection-start-line="148" selection-start-column="42" selection-end-line="148" selection-end-column="42" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/swiper_controller.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="157">
-          <caret line="25" column="17" selection-start-line="25" selection-start-column="17" selection-end-line="25" selection-end-column="17" />
-          <folding>
-            <element signature="e#0#55#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/flutter_swiper.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="105">
-          <caret line="7" lean-forward="true" selection-start-line="7" selection-end-line="7" />
-          <folding>
-            <element signature="e#25#50#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/test/control_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="45">
-          <caret line="3" lean-forward="true" selection-start-line="3" selection-end-line="3" />
-          <folding>
-            <element signature="e#0#39#0" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/pubspec.yaml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="210">
-          <caret line="16" column="17" selection-start-line="16" selection-start-column="17" selection-end-line="16" selection-end-column="17" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/README.md">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="375">
-          <caret line="25" selection-start-line="25" selection-end-line="42" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/lib/src/swiper.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="942">
-          <caret line="112" column="2" selection-start-line="112" selection-start-column="2" selection-end-line="112" selection-end-column="2" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/src/ExampleCustom.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="120">
-          <caret line="12" lean-forward="true" selection-start-line="12" selection-end-line="12" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/main.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="328">
-          <caret line="119" selection-start-line="119" selection-end-line="119" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/listener_test.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="315">
-          <caret line="28" column="21" lean-forward="true" selection-start-line="28" selection-start-column="21" selection-end-line="28" selection-end-column="21" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/InnerSwiper.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="-476">
-          <caret line="13" lean-forward="true" selection-start-line="13" selection-end-line="13" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/example/lib/src/ExampleSwiperInScrollView.dart">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="138">
-          <caret line="259" column="43" lean-forward="true" selection-start-line="259" selection-start-column="43" selection-end-line="259" selection-end-column="43" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/pubspec.yaml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="210">
-          <caret line="14" column="32" lean-forward="true" selection-start-line="14" selection-start-column="32" selection-end-line="14" selection-end-column="32" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/CHANGELOG.md">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="45">
-          <caret line="3" column="31" selection-start-line="3" selection-start-column="31" selection-end-line="3" selection-end-column="31" />
-        </state>
-      </provider>
-    </entry>
-  </component>
   <component name="masterDetails">
     <states>
       <state key="ArtifactsStructureConfigurable.UI">
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index 595a771..f8a4962 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
@@ -25,7 +25,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.example.example"
         minSdkVersion 16
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
@@ -46,6 +46,6 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'com.android.support.test:runner:1.0.1'
-    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+    androidTestImplementation 'androidx.test:runner:1.1.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.0'
 }
diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
index 1b515f8..bfc0660 100644
--- a/example/android/app/src/main/AndroidManifest.xml
+++ b/example/android/app/src/main/AndroidManifest.xml
@@ -27,13 +27,22 @@
                  until Flutter renders its first frame. It can be removed if
                  there is no splash screen (such as the default splash screen
                  defined in @style/LaunchTheme). -->
-            <meta-data
-                android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
-                android:value="true" />
+            <meta-data android:name="io.flutter.embedding.android.NormalTheme" android:resource="@style/NormalTheme"/>
+            <!--  Displays an Android View that continues showing the launch screen
+                             Drawable until Flutter paints its first frame, then this splash
+                             screen fades out. A splash screen is useful to avoid any visual
+                             gap between the end of Android's launch screen and the painting of
+                             Flutter's first frame.  -->
+            <meta-data android:name="io.flutter.embedding.android.SplashScreenDrawable" android:resource="@drawable/launch_background"/>
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+
     </application>
 </manifest>
diff --git a/example/android/app/src/main/java/com/example/example/MainActivity.java b/example/android/app/src/main/java/com/example/example/MainActivity.java
index a313e78..852cb56 100644
--- a/example/android/app/src/main/java/com/example/example/MainActivity.java
+++ b/example/android/app/src/main/java/com/example/example/MainActivity.java
@@ -2,13 +2,11 @@
 
 import android.os.Bundle;
 
-import io.flutter.app.FlutterActivity;
-import io.flutter.plugins.GeneratedPluginRegistrant;
+import io.flutter.embedding.android.FlutterActivity;
 
 public class MainActivity extends FlutterActivity {
   @Override
   protected void onCreate(Bundle savedInstanceState) {
     super.onCreate(savedInstanceState);
-    GeneratedPluginRegistrant.registerWith(this);
   }
 }
diff --git a/example/android/app/src/main/res/values/styles.xml b/example/android/app/src/main/res/values/styles.xml
index 00fa441..723556d 100644
--- a/example/android/app/src/main/res/values/styles.xml
+++ b/example/android/app/src/main/res/values/styles.xml
@@ -5,4 +5,7 @@
              Flutter draws its first frame -->
         <item name="android:windowBackground">@drawable/launch_background</item>
     </style>
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">@android:color/white</item>
+    </style>
 </resources>
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
index 8bd86f6..a5965ab 100644
--- a/example/android/gradle.properties
+++ b/example/android/gradle.properties
@@ -1 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M
+android.enableR8=true
+android.useAndroidX=true
+android.enableJetifier=true
\ No newline at end of file
diff --git a/example/ios/Flutter/flutter_export_environment.sh b/example/ios/Flutter/flutter_export_environment.sh
new file mode 100755
index 0000000..dd650d1
--- /dev/null
+++ b/example/ios/Flutter/flutter_export_environment.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+# This is a generated file; do not edit or check into version control.
+export "FLUTTER_ROOT=/home/faiyyaz/snap/flutter/common/flutter"
+export "FLUTTER_APPLICATION_PATH=/home/faiyyaz/AndroidStudioProjects/flutter_swiper/example"
+export "FLUTTER_TARGET=lib/main.dart"
+export "FLUTTER_BUILD_DIR=build"
+export "SYMROOT=${SOURCE_ROOT}/../build/ios"
+export "OTHER_LDFLAGS=$(inherited) -framework Flutter"
+export "FLUTTER_FRAMEWORK_DIR=/home/faiyyaz/snap/flutter/common/flutter/bin/cache/artifacts/engine/ios"
+export "FLUTTER_BUILD_NAME=1.0.0"
+export "FLUTTER_BUILD_NUMBER=1"
+export "DART_OBFUSCATION=false"
+export "TRACK_WIDGET_CREATION=false"
+export "TREE_SHAKE_ICONS=false"
+export "PACKAGE_CONFIG=.packages"
diff --git a/example/lib/listener_test.dart b/example/lib/listener_test.dart
index a81ca60..4103e5f 100644
--- a/example/lib/listener_test.dart
+++ b/example/lib/listener_test.dart
@@ -1,11 +1,6 @@
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-
 import 'package:flutter_swiper/flutter_swiper.dart';
-import 'src/ExampleCustom.dart';
-import 'src/config.dart';
-import 'src/ExampleSwiperInScrollView.dart';
-
-import 'package:flutter/cupertino.dart';
 
 void main() => runApp(new MyApp());
 
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 5aa195f..591e17c 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -1,41 +1,62 @@
 # Generated by pub
-# See https://www.dartlang.org/tools/pub/glossary#lockfile
+# See https://dart.dev/tools/pub/glossary#lockfile
 packages:
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.5.0-nullsafety.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "2.1.0-nullsafety.1"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.3"
   charcode:
     dependency: transitive
     description:
       name: charcode
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0-nullsafety.1"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
+    version: "1.1.0-nullsafety.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.11"
+    version: "1.15.0-nullsafety.3"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.2"
+    version: "1.2.0-nullsafety.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -45,7 +66,7 @@ packages:
     dependency: transitive
     description:
       name: flutter_page_indicator
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "0.0.3"
   flutter_swiper:
@@ -54,7 +75,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.1.5"
+    version: "1.1.6"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -64,37 +85,30 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.3+1"
+    version: "0.12.10-nullsafety.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.3"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.2"
+    version: "1.8.0-nullsafety.1"
   percent_indicator:
     dependency: "direct main"
     description:
       name: percent_indicator
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.0.9"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.1.9+1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -104,65 +118,67 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.1"
+    version: "1.8.0-nullsafety.2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0-nullsafety.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.8"
+    version: "2.1.0-nullsafety.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.1.0-nullsafety.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.2.0-nullsafety.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.1"
+    version: "0.2.19-nullsafety.2"
   transformer_page_view:
     dependency: transitive
     description:
-      name: transformer_page_view
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "0.1.5"
+      path: "."
+      ref: HEAD
+      resolved-ref: "8759c4ed49504eba5d31307f56eff451e027e97c"
+      url: "https://github.com/Faiyyazauxy/transformer_page_view.git"
+    source: git
+    version: "0.1.6"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.3"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.0-nullsafety.3"
 sdks:
-  dart: ">=2.0.0 <3.0.0"
+  dart: ">=2.10.0-110 <2.11.0"
   flutter: ">=0.1.4 <3.0.0"
diff --git a/pubspec.lock b/pubspec.lock
index 86f253d..90857bb 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,34 +1,55 @@
 # Generated by pub
-# See https://www.dartlang.org/tools/pub/glossary#lockfile
+# See https://dart.dev/tools/pub/glossary#lockfile
 packages:
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.5.0-nullsafety.1"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "2.1.0-nullsafety.1"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.3"
   charcode:
     dependency: transitive
     description:
       name: charcode
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
+    version: "1.2.0-nullsafety.1"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.11"
+    version: "1.15.0-nullsafety.3"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0-nullsafety.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -38,7 +59,7 @@ packages:
     dependency: "direct main"
     description:
       name: flutter_page_indicator
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
     version: "0.0.3"
   flutter_test:
@@ -50,30 +71,23 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.3+1"
+    version: "0.12.10-nullsafety.1"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.3"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "1.6.2"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "1.8.0-nullsafety.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -83,65 +97,67 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.1"
+    version: "1.8.0-nullsafety.2"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0-nullsafety.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.8"
+    version: "2.1.0-nullsafety.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.1.0-nullsafety.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.2.0-nullsafety.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.1"
+    version: "0.2.19-nullsafety.2"
   transformer_page_view:
     dependency: "direct main"
     description:
-      name: transformer_page_view
-      url: "https://pub.flutter-io.cn"
-    source: hosted
-    version: "0.1.5"
+      path: "."
+      ref: HEAD
+      resolved-ref: "8759c4ed49504eba5d31307f56eff451e027e97c"
+      url: "https://github.com/Faiyyazauxy/transformer_page_view.git"
+    source: git
+    version: "0.1.6"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.3"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.flutter-io.cn"
+      url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.0-nullsafety.3"
 sdks:
-  dart: ">=2.0.0 <3.0.0"
+  dart: ">=2.10.0-110 <2.11.0"
   flutter: ">=0.1.4 <3.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 17ed711..5d3b0e6 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -8,7 +8,9 @@ dependencies:
   flutter:
     sdk: flutter
 
-  transformer_page_view: ^0.1.6
+  transformer_page_view:
+    git:
+      url : https://github.com/Faiyyazauxy/transformer_page_view.git
   flutter_page_indicator: ^0.0.3
 
 environment: