diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..446ed0d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,10 @@
+.DS_Store
+.dart_tool/
+
+.packages
+.pub/
+
+build/
+ios/.generated/
+ios/Flutter/Generated.xcconfig
+ios/Runner/GeneratedPluginRegistrant.*
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..15a15b2
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with NO BOM" />
+</project>
\ No newline at end of file
diff --git a/.idea/libraries/Dart_Packages.xml b/.idea/libraries/Dart_Packages.xml
new file mode 100644
index 0000000..02fdaa3
--- /dev/null
+++ b/.idea/libraries/Dart_Packages.xml
@@ -0,0 +1,180 @@
+<component name="libraryTable">
+  <library name="Dart Packages" type="DartPackagesLibraryType">
+    <properties>
+      <option name="packageNameToDirsMap">
+        <entry key="async">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/async-2.0.8/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="boolean_selector">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/boolean_selector-1.0.4/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="charcode">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/charcode-1.1.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="collection">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/collection-1.14.11/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="cupertino_icons">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/cupertino_icons-0.1.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="flutter">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/packages/flutter/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="flutter_test">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/packages/flutter_test/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="matcher">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.3+1/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="meta">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/meta-1.1.6/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="path">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/path-1.6.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="pedantic">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/pedantic-1.4.0/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="quiver">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/quiver-2.0.1/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_span">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.5.4/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="stack_trace">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.9.3/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="stream_channel">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.8/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="string_scanner">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.0.4/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="term_glyph">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.1.0/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="test_api">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/test_api-0.2.2/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="typed_data">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.6/lib" />
+            </list>
+          </value>
+        </entry>
+        <entry key="vector_math">
+          <value>
+            <list>
+              <option value="$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/vector_math-2.0.8/lib" />
+            </list>
+          </value>
+        </entry>
+      </option>
+    </properties>
+    <CLASSES>
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/async-2.0.8/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/boolean_selector-1.0.4/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/charcode-1.1.2/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/collection-1.14.11/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/cupertino_icons-0.1.2/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/matcher-0.12.3+1/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/meta-1.1.6/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/path-1.6.2/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/pedantic-1.4.0/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/quiver-2.0.1/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/source_span-1.5.4/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/stack_trace-1.9.3/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/stream_channel-1.6.8/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/string_scanner-1.0.4/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/term_glyph-1.1.0/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/test_api-0.2.2/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/typed_data-1.1.6/lib" />
+      <root url="file://$USER_HOME$/flutter/.pub-cache/hosted/pub.dartlang.org/vector_math-2.0.8/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" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Dart_SDK.xml b/.idea/libraries/Dart_SDK.xml
new file mode 100644
index 0000000..57992d5
--- /dev/null
+++ b/.idea/libraries/Dart_SDK.xml
@@ -0,0 +1,19 @@
+<component name="libraryTable">
+  <library name="Dart SDK">
+    <CLASSES>
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/async" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/collection" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/convert" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/core" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/developer" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/html" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/io" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/math" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file:///home/rafael/flutter/bin/cache/dart-sdk/lib/typed_data" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Flutter_Plugins.xml b/.idea/libraries/Flutter_Plugins.xml
new file mode 100644
index 0000000..b0f6971
--- /dev/null
+++ b/.idea/libraries/Flutter_Plugins.xml
@@ -0,0 +1,7 @@
+<component name="libraryTable">
+  <library name="Flutter Plugins" type="FlutterPluginsLibraryType">
+    <CLASSES />
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..9507ea3
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/tutorial_coach_mark.iml" filepath="$PROJECT_DIR$/tutorial_coach_mark.iml" />
+    </modules>
+  </component>
+</project>
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..ef170c0
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,124 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="5fdc7eba-e891-48d9-9e96-66b70da1fd03" name="Default Changelist" comment="" />
+    <ignored path="$PROJECT_DIR$/.dart_tool/" />
+    <ignored path="$PROJECT_DIR$/.idea/" />
+    <ignored path="$PROJECT_DIR$/.pub/" />
+    <ignored path="$PROJECT_DIR$/build/" />
+    <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="FileEditorManager">
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300" />
+  </component>
+  <component name="ProjectFrameBounds" extendedState="6">
+    <option name="width" value="1078" />
+    <option name="height" value="860" />
+  </component>
+  <component name="ProjectView">
+    <navigator currentView="ProjectPane" proportions="" version="1">
+      <foldersAlwaysOnTop value="true" />
+    </navigator>
+    <panes>
+      <pane id="Scope" />
+      <pane id="ProjectPane">
+        <subPane>
+          <expand>
+            <path>
+              <item name="tutorial_coach_mark" type="b2602c69:ProjectViewProjectNode" />
+              <item name="tutorial_coach_mark" type="462c0819:PsiDirectoryNode" />
+            </path>
+          </expand>
+          <select />
+        </subPane>
+      </pane>
+      <pane id="PackagesPane" />
+    </panes>
+  </component>
+  <component name="PropertiesComponent">
+    <property name="dart.analysis.tool.window.force.activate" value="false" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="show.migrate.to.gradle.popup" value="false" />
+  </component>
+  <component name="RecentsManager">
+    <key name="CopyFile.RECENT_KEYS">
+      <recent name="$PROJECT_DIR$/lib" />
+    </key>
+  </component>
+  <component name="RunDashboard">
+    <option name="ruleStates">
+      <list>
+        <RuleState>
+          <option name="name" value="ConfigurationTypeDashboardGroupingRule" />
+        </RuleState>
+        <RuleState>
+          <option name="name" value="StatusDashboardGroupingRule" />
+        </RuleState>
+      </list>
+    </option>
+  </component>
+  <component name="RunManager">
+    <configuration name="main.dart" type="FlutterRunConfigurationType" factoryName="Flutter">
+      <option name="filePath" value="$PROJECT_DIR$/lib/main.dart" />
+      <method v="2" />
+    </configuration>
+  </component>
+  <component name="SvnConfiguration">
+    <configuration />
+  </component>
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="5fdc7eba-e891-48d9-9e96-66b70da1fd03" name="Default Changelist" comment="" />
+      <created>1556311699075</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1556311699075</updated>
+    </task>
+    <servers />
+  </component>
+  <component name="ToolWindowManager">
+    <frame x="0" y="0" width="1440" height="860" extended-state="6" />
+    <layout>
+      <window_info id="Structure" side_tool="true" />
+      <window_info id="Image Layers" />
+      <window_info id="Designer" />
+      <window_info id="Resources Explorer" />
+      <window_info id="Capture Tool" />
+      <window_info id="Favorites" side_tool="true" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.25395682" />
+      <window_info anchor="bottom" id="Dart Analysis" visible="true" weight="0.3292011" />
+      <window_info anchor="bottom" id="Version Control" />
+      <window_info anchor="bottom" id="TODO" />
+      <window_info anchor="bottom" id="Run" />
+      <window_info anchor="bottom" id="Debug" />
+      <window_info anchor="bottom" id="Terminal" />
+      <window_info anchor="bottom" id="Event Log" side_tool="true" />
+      <window_info anchor="bottom" id="Flutter Performance" side_tool="true" />
+      <window_info anchor="right" id="Capture Analysis" />
+      <window_info anchor="right" id="Theme Preview" />
+      <window_info anchor="right" id="Flutter Inspector" />
+      <window_info anchor="right" id="Flutter Outline" />
+      <window_info anchor="right" id="Palette&#9;" />
+    </layout>
+  </component>
+  <component name="editorHistoryManager">
+    <entry file="file://$PROJECT_DIR$/lib/main.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="270">
+          <caret line="17" column="32" lean-forward="true" selection-start-line="17" selection-start-column="32" selection-end-line="17" selection-end-column="32" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/lib/tutorial_coach_mark.dart">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="126">
+          <caret line="7" lean-forward="true" selection-start-line="7" selection-end-line="7" />
+        </state>
+      </provider>
+    </entry>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.metadata b/.metadata
new file mode 100644
index 0000000..281f231
--- /dev/null
+++ b/.metadata
@@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 8661d8aecd626f7f57ccbcb735553edc05a2e713
+  channel: stable
+
+project_type: package
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..ac07159
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,3 @@
+## [0.0.1] - TODO: Add release date.
+
+* TODO: Describe initial release.
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..ba75c69
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1 @@
+TODO: Add your license here.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..4001e4d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,14 @@
+# tutorial_coach_mark
+
+TutorialCoachMark
+
+## Getting Started
+
+This project is a starting point for a Dart
+[package](https://flutter.io/developing-packages/),
+a library module containing code that can be shared easily across
+multiple Flutter or Dart projects.
+
+For help getting started with Flutter, view our 
+[online documentation](https://flutter.io/docs), which offers tutorials, 
+samples, guidance on mobile development, and a full API reference.
diff --git a/example/.gitignore b/example/.gitignore
new file mode 100644
index 0000000..07488ba
--- /dev/null
+++ b/example/.gitignore
@@ -0,0 +1,70 @@
+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.buildlog/
+.history
+.svn/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# Visual Studio Code related
+.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+.dart_tool/
+.flutter-plugins
+.packages
+.pub-cache/
+.pub/
+/build/
+
+# Android related
+**/android/**/gradle-wrapper.jar
+**/android/.gradle
+**/android/captures/
+**/android/gradlew
+**/android/gradlew.bat
+**/android/local.properties
+**/android/**/GeneratedPluginRegistrant.java
+
+# iOS/XCode related
+**/ios/**/*.mode1v3
+**/ios/**/*.mode2v3
+**/ios/**/*.moved-aside
+**/ios/**/*.pbxuser
+**/ios/**/*.perspectivev3
+**/ios/**/*sync/
+**/ios/**/.sconsign.dblite
+**/ios/**/.tags*
+**/ios/**/.vagrant/
+**/ios/**/DerivedData/
+**/ios/**/Icon?
+**/ios/**/Pods/
+**/ios/**/.symlinks/
+**/ios/**/profile
+**/ios/**/xcuserdata
+**/ios/.generated/
+**/ios/Flutter/App.framework
+**/ios/Flutter/Flutter.framework
+**/ios/Flutter/Generated.xcconfig
+**/ios/Flutter/app.flx
+**/ios/Flutter/app.zip
+**/ios/Flutter/flutter_assets/
+**/ios/ServiceDefinitions.json
+**/ios/Runner/GeneratedPluginRegistrant.*
+
+# Exceptions to above rules.
+!**/ios/**/default.mode1v3
+!**/ios/**/default.mode2v3
+!**/ios/**/default.pbxuser
+!**/ios/**/default.perspectivev3
+!/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
diff --git a/example/.metadata b/example/.metadata
new file mode 100644
index 0000000..07763f7
--- /dev/null
+++ b/example/.metadata
@@ -0,0 +1,10 @@
+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 8661d8aecd626f7f57ccbcb735553edc05a2e713
+  channel: stable
+
+project_type: app
diff --git a/example/README.md b/example/README.md
new file mode 100644
index 0000000..bdc108f
--- /dev/null
+++ b/example/README.md
@@ -0,0 +1,16 @@
+# tutorial_coach_mark_demo
+
+A new Flutter application.
+
+## Getting Started
+
+This project is a starting point for a Flutter application.
+
+A few resources to get you started if this is your first Flutter project:
+
+- [Lab: Write your first Flutter app](https://flutter.io/docs/get-started/codelab)
+- [Cookbook: Useful Flutter samples](https://flutter.io/docs/cookbook)
+
+For help getting started with Flutter, view our 
+[online documentation](https://flutter.io/docs), which offers tutorials, 
+samples, guidance on mobile development, and a full API reference.
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
new file mode 100644
index 0000000..3ec56b0
--- /dev/null
+++ b/example/android/app/build.gradle
@@ -0,0 +1,61 @@
+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withReader('UTF-8') { reader ->
+        localProperties.load(reader)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+def flutterVersionCode = localProperties.getProperty('flutter.versionCode')
+if (flutterVersionCode == null) {
+    flutterVersionCode = '1'
+}
+
+def flutterVersionName = localProperties.getProperty('flutter.versionName')
+if (flutterVersionName == null) {
+    flutterVersionName = '1.0'
+}
+
+apply plugin: 'com.android.application'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 28
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId "com.rafaelbarbosatec.tutorial_coach_mark_demo"
+        minSdkVersion 16
+        targetSdkVersion 28
+        versionCode flutterVersionCode.toInteger()
+        versionName flutterVersionName
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+}
diff --git a/example/android/app/src/debug/AndroidManifest.xml b/example/android/app/src/debug/AndroidManifest.xml
new file mode 100644
index 0000000..55cd178
--- /dev/null
+++ b/example/android/app/src/debug/AndroidManifest.xml
@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.rafaelbarbosatec.tutorial_coach_mark_demo">
+    <!-- Flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>
diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..6eb3404
--- /dev/null
+++ b/example/android/app/src/main/AndroidManifest.xml
@@ -0,0 +1,33 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.rafaelbarbosatec.tutorial_coach_mark_demo">
+
+    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
+         calls FlutterMain.startInitialization(this); in its onCreate method.
+         In most cases you can leave this as-is, but you if you want to provide
+         additional functionality it is fine to subclass or reimplement
+         FlutterApplication and put your custom class here. -->
+    <application
+        android:name="io.flutter.app.FlutterApplication"
+        android:label="tutorial_coach_mark_demo"
+        android:icon="@mipmap/ic_launcher">
+        <activity
+            android:name=".MainActivity"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- This keeps the window background of the activity showing
+                 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" />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>
diff --git a/example/android/app/src/main/java/com/rafaelbarbosatec/tutorial_coach_mark_demo/MainActivity.java b/example/android/app/src/main/java/com/rafaelbarbosatec/tutorial_coach_mark_demo/MainActivity.java
new file mode 100644
index 0000000..823a9b5
--- /dev/null
+++ b/example/android/app/src/main/java/com/rafaelbarbosatec/tutorial_coach_mark_demo/MainActivity.java
@@ -0,0 +1,13 @@
+package com.rafaelbarbosatec.tutorial_coach_mark_demo;
+
+import android.os.Bundle;
+import io.flutter.app.FlutterActivity;
+import io.flutter.plugins.GeneratedPluginRegistrant;
+
+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/drawable/launch_background.xml b/example/android/app/src/main/res/drawable/launch_background.xml
new file mode 100644
index 0000000..304732f
--- /dev/null
+++ b/example/android/app/src/main/res/drawable/launch_background.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>
diff --git a/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..db77bb4
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..17987b7
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..09d4391
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..d5f1c8d
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..4d6372e
Binary files /dev/null and b/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/example/android/app/src/main/res/values/styles.xml b/example/android/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..00fa441
--- /dev/null
+++ b/example/android/app/src/main/res/values/styles.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             Flutter draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+</resources>
diff --git a/example/android/app/src/profile/AndroidManifest.xml b/example/android/app/src/profile/AndroidManifest.xml
new file mode 100644
index 0000000..55cd178
--- /dev/null
+++ b/example/android/app/src/profile/AndroidManifest.xml
@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.rafaelbarbosatec.tutorial_coach_mark_demo">
+    <!-- Flutter needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>
diff --git a/example/android/build.gradle b/example/android/build.gradle
new file mode 100644
index 0000000..bb8a303
--- /dev/null
+++ b/example/android/build.gradle
@@ -0,0 +1,29 @@
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.2.1'
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+rootProject.buildDir = '../build'
+subprojects {
+    project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
+    project.evaluationDependsOn(':app')
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/example/android/gradle.properties b/example/android/gradle.properties
new file mode 100644
index 0000000..8bd86f6
--- /dev/null
+++ b/example/android/gradle.properties
@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx1536M
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..2819f02
--- /dev/null
+++ b/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Fri Jun 23 08:50:38 CEST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
diff --git a/example/android/settings.gradle b/example/android/settings.gradle
new file mode 100644
index 0000000..5a2f14f
--- /dev/null
+++ b/example/android/settings.gradle
@@ -0,0 +1,15 @@
+include ':app'
+
+def flutterProjectRoot = rootProject.projectDir.parentFile.toPath()
+
+def plugins = new Properties()
+def pluginsFile = new File(flutterProjectRoot.toFile(), '.flutter-plugins')
+if (pluginsFile.exists()) {
+    pluginsFile.withReader('UTF-8') { reader -> plugins.load(reader) }
+}
+
+plugins.each { name, path ->
+    def pluginDirectory = flutterProjectRoot.resolve(path).resolve('android').toFile()
+    include ":$name"
+    project(":$name").projectDir = pluginDirectory
+}
diff --git a/example/ios/Flutter/AppFrameworkInfo.plist b/example/ios/Flutter/AppFrameworkInfo.plist
new file mode 100644
index 0000000..9367d48
--- /dev/null
+++ b/example/ios/Flutter/AppFrameworkInfo.plist
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleDevelopmentRegion</key>
+  <string>en</string>
+  <key>CFBundleExecutable</key>
+  <string>App</string>
+  <key>CFBundleIdentifier</key>
+  <string>io.flutter.flutter.app</string>
+  <key>CFBundleInfoDictionaryVersion</key>
+  <string>6.0</string>
+  <key>CFBundleName</key>
+  <string>App</string>
+  <key>CFBundlePackageType</key>
+  <string>FMWK</string>
+  <key>CFBundleShortVersionString</key>
+  <string>1.0</string>
+  <key>CFBundleSignature</key>
+  <string>????</string>
+  <key>CFBundleVersion</key>
+  <string>1.0</string>
+  <key>MinimumOSVersion</key>
+  <string>8.0</string>
+</dict>
+</plist>
diff --git a/example/ios/Flutter/Debug.xcconfig b/example/ios/Flutter/Debug.xcconfig
new file mode 100644
index 0000000..592ceee
--- /dev/null
+++ b/example/ios/Flutter/Debug.xcconfig
@@ -0,0 +1 @@
+#include "Generated.xcconfig"
diff --git a/example/ios/Flutter/Release.xcconfig b/example/ios/Flutter/Release.xcconfig
new file mode 100644
index 0000000..592ceee
--- /dev/null
+++ b/example/ios/Flutter/Release.xcconfig
@@ -0,0 +1 @@
+#include "Generated.xcconfig"
diff --git a/example/ios/Runner.xcodeproj/project.pbxproj b/example/ios/Runner.xcodeproj/project.pbxproj
new file mode 100644
index 0000000..8227afc
--- /dev/null
+++ b/example/ios/Runner.xcodeproj/project.pbxproj
@@ -0,0 +1,506 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
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+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
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+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 97C146E61CF9000F007C117D /* Project object */;
+}
diff --git a/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..1d526a1
--- /dev/null
+++ b/example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
new file mode 100644
index 0000000..786d6aa
--- /dev/null
+++ b/example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "0910"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+               BuildableName = "Runner.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "97C146ED1CF9000F007C117D"
+            BuildableName = "Runner.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/example/ios/Runner.xcworkspace/contents.xcworkspacedata b/example/ios/Runner.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 0000000..1d526a1
--- /dev/null
+++ b/example/ios/Runner.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/example/ios/Runner/AppDelegate.h b/example/ios/Runner/AppDelegate.h
new file mode 100644
index 0000000..36e21bb
--- /dev/null
+++ b/example/ios/Runner/AppDelegate.h
@@ -0,0 +1,6 @@
+#import <Flutter/Flutter.h>
+#import <UIKit/UIKit.h>
+
+@interface AppDelegate : FlutterAppDelegate
+
+@end
diff --git a/example/ios/Runner/AppDelegate.m b/example/ios/Runner/AppDelegate.m
new file mode 100644
index 0000000..59a72e9
--- /dev/null
+++ b/example/ios/Runner/AppDelegate.m
@@ -0,0 +1,13 @@
+#include "AppDelegate.h"
+#include "GeneratedPluginRegistrant.h"
+
+@implementation AppDelegate
+
+- (BOOL)application:(UIApplication *)application
+    didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+  [GeneratedPluginRegistrant registerWithRegistry:self];
+  // Override point for customization after application launch.
+  return [super application:application didFinishLaunchingWithOptions:launchOptions];
+}
+
+@end
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
new file mode 100644
index 0000000..d36b1fa
--- /dev/null
+++ b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,122 @@
+{
+  "images" : [
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-20x20@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-29x29@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-40x40@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "60x60",
+      "idiom" : "iphone",
+      "filename" : "Icon-App-60x60@3x.png",
+      "scale" : "3x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "20x20",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-20x20@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "29x29",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-29x29@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "40x40",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-40x40@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@1x.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "76x76",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-76x76@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "83.5x83.5",
+      "idiom" : "ipad",
+      "filename" : "Icon-App-83.5x83.5@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "1024x1024",
+      "idiom" : "ios-marketing",
+      "filename" : "Icon-App-1024x1024@1x.png",
+      "scale" : "1x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png
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diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-76x76@2x.png
new file mode 100644
index 0000000..6a84f41
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diff --git a/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png b/example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png
new file mode 100644
index 0000000..d0e1f58
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diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
new file mode 100644
index 0000000..0bedcf2
--- /dev/null
+++ b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json
@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "LaunchImage@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png
new file mode 100644
index 0000000..9da19ea
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diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png
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index 0000000..9da19ea
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diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png
new file mode 100644
index 0000000..9da19ea
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diff --git a/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
new file mode 100644
index 0000000..89c2725
--- /dev/null
+++ b/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md
@@ -0,0 +1,5 @@
+# Launch Screen Assets
+
+You can customize the launch screen with your own desired assets by replacing the image files in this directory.
+
+You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images.
\ No newline at end of file
diff --git a/example/ios/Runner/Base.lproj/LaunchScreen.storyboard b/example/ios/Runner/Base.lproj/LaunchScreen.storyboard
new file mode 100644
index 0000000..f2e259c
--- /dev/null
+++ b/example/ios/Runner/Base.lproj/LaunchScreen.storyboard
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12121" systemVersion="16G29" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="Ydg-fD-yQy"/>
+                        <viewControllerLayoutGuide type="bottom" id="xbc-2k-c8Z"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <imageView opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" image="LaunchImage" translatesAutoresizingMaskIntoConstraints="NO" id="YRO-k0-Ey4">
+                            </imageView>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerX" secondItem="Ze5-6b-2t3" secondAttribute="centerX" id="1a2-6s-vTC"/>
+                            <constraint firstItem="YRO-k0-Ey4" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="centerY" id="4X2-HB-R7a"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+    <resources>
+        <image name="LaunchImage" width="168" height="185"/>
+    </resources>
+</document>
diff --git a/example/ios/Runner/Base.lproj/Main.storyboard b/example/ios/Runner/Base.lproj/Main.storyboard
new file mode 100644
index 0000000..f3c2851
--- /dev/null
+++ b/example/ios/Runner/Base.lproj/Main.storyboard
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="10117" systemVersion="15F34" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BYZ-38-t0r">
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="10085"/>
+    </dependencies>
+    <scenes>
+        <!--Flutter View Controller-->
+        <scene sceneID="tne-QT-ifu">
+            <objects>
+                <viewController id="BYZ-38-t0r" customClass="FlutterViewController" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
+                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
+            </objects>
+        </scene>
+    </scenes>
+</document>
diff --git a/example/ios/Runner/Info.plist b/example/ios/Runner/Info.plist
new file mode 100644
index 0000000..c38f4e0
--- /dev/null
+++ b/example/ios/Runner/Info.plist
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>tutorial_coach_mark_demo</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSRequiresIPhoneOS</key>
+	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>LaunchScreen</string>
+	<key>UIMainStoryboardFile</key>
+	<string>Main</string>
+	<key>UISupportedInterfaceOrientations</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UISupportedInterfaceOrientations~ipad</key>
+	<array>
+		<string>UIInterfaceOrientationPortrait</string>
+		<string>UIInterfaceOrientationPortraitUpsideDown</string>
+		<string>UIInterfaceOrientationLandscapeLeft</string>
+		<string>UIInterfaceOrientationLandscapeRight</string>
+	</array>
+	<key>UIViewControllerBasedStatusBarAppearance</key>
+	<false/>
+</dict>
+</plist>
diff --git a/example/ios/Runner/main.m b/example/ios/Runner/main.m
new file mode 100644
index 0000000..dff6597
--- /dev/null
+++ b/example/ios/Runner/main.m
@@ -0,0 +1,9 @@
+#import <Flutter/Flutter.h>
+#import <UIKit/UIKit.h>
+#import "AppDelegate.h"
+
+int main(int argc, char* argv[]) {
+  @autoreleasepool {
+    return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
+  }
+}
diff --git a/example/lib/main.dart b/example/lib/main.dart
new file mode 100644
index 0000000..f4ebf1d
--- /dev/null
+++ b/example/lib/main.dart
@@ -0,0 +1,111 @@
+import 'package:flutter/material.dart';
+
+void main() => runApp(MyApp());
+
+class MyApp extends StatelessWidget {
+  // This widget is the root of your application.
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      theme: ThemeData(
+        // This is the theme of your application.
+        //
+        // Try running your application with "flutter run". You'll see the
+        // application has a blue toolbar. Then, without quitting the app, try
+        // changing the primarySwatch below to Colors.green and then invoke
+        // "hot reload" (press "r" in the console where you ran "flutter run",
+        // or simply save your changes to "hot reload" in a Flutter IDE).
+        // Notice that the counter didn't reset back to zero; the application
+        // is not restarted.
+        primarySwatch: Colors.blue,
+      ),
+      home: MyHomePage(title: 'Flutter Demo Home Page'),
+    );
+  }
+}
+
+class MyHomePage extends StatefulWidget {
+  MyHomePage({Key key, this.title}) : super(key: key);
+
+  // This widget is the home page of your application. It is stateful, meaning
+  // that it has a State object (defined below) that contains fields that affect
+  // how it looks.
+
+  // This class is the configuration for the state. It holds the values (in this
+  // case the title) provided by the parent (in this case the App widget) and
+  // used by the build method of the State. Fields in a Widget subclass are
+  // always marked "final".
+
+  final String title;
+
+  @override
+  _MyHomePageState createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> {
+  int _counter = 0;
+
+  void _incrementCounter() {
+    setState(() {
+      // This call to setState tells the Flutter framework that something has
+      // changed in this State, which causes it to rerun the build method below
+      // so that the display can reflect the updated values. If we changed
+      // _counter without calling setState(), then the build method would not be
+      // called again, and so nothing would appear to happen.
+      _counter++;
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    // This method is rerun every time setState is called, for instance as done
+    // by the _incrementCounter method above.
+    //
+    // The Flutter framework has been optimized to make rerunning build methods
+    // fast, so that you can just rebuild anything that needs updating rather
+    // than having to individually change instances of widgets.
+    return Scaffold(
+      appBar: AppBar(
+        // Here we take the value from the MyHomePage object that was created by
+        // the App.build method, and use it to set our appbar title.
+        title: Text(widget.title),
+      ),
+      body: Center(
+        // Center is a layout widget. It takes a single child and positions it
+        // in the middle of the parent.
+        child: Column(
+          // Column is also layout widget. It takes a list of children and
+          // arranges them vertically. By default, it sizes itself to fit its
+          // children horizontally, and tries to be as tall as its parent.
+          //
+          // Invoke "debug painting" (press "p" in the console, choose the
+          // "Toggle Debug Paint" action from the Flutter Inspector in Android
+          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
+          // to see the wireframe for each widget.
+          //
+          // Column has various properties to control how it sizes itself and
+          // how it positions its children. Here we use mainAxisAlignment to
+          // center the children vertically; the main axis here is the vertical
+          // axis because Columns are vertical (the cross axis would be
+          // horizontal).
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            Text(
+              'You have pushed the button this many times:',
+            ),
+            Text(
+              '$_counter',
+              style: Theme.of(context).textTheme.display1,
+            ),
+          ],
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _incrementCounter,
+        tooltip: 'Increment',
+        child: Icon(Icons.add),
+      ), // This trailing comma makes auto-formatting nicer for build methods.
+    );
+  }
+}
diff --git a/example/pubspec.lock b/example/pubspec.lock
new file mode 100644
index 0000000..795d74c
--- /dev/null
+++ b/example/pubspec.lock
@@ -0,0 +1,146 @@
+# Generated by pub
+# See https://www.dartlang.org/tools/pub/glossary#lockfile
+packages:
+  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"
+  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_test:
+    dependency: "direct dev"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  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"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.6.2"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.0"
+  quiver:
+    dependency: transitive
+    description:
+      name: quiver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.99"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.4"
+  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: "1.1.0"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.2"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.6"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.8"
+sdks:
+  dart: ">=2.1.0 <3.0.0"
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
new file mode 100644
index 0000000..5db7f26
--- /dev/null
+++ b/example/pubspec.yaml
@@ -0,0 +1,72 @@
+name: tutorial_coach_mark_demo
+description: A new Flutter application.
+
+# The following defines the version and build number for your application.
+# A version number is three numbers separated by dots, like 1.2.43
+# followed by an optional build number separated by a +.
+# Both the version and the builder number may be overridden in flutter
+# build by specifying --build-name and --build-number, respectively.
+# In Android, build-name is used as versionName while build-number used as versionCode.
+# Read more about Android versioning at https://developer.android.com/studio/publish/versioning
+# In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
+# Read more about iOS versioning at
+# https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
+version: 1.0.0+1
+
+environment:
+  sdk: ">=2.1.0 <3.0.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+  # The following adds the Cupertino Icons font to your application.
+  # Use with the CupertinoIcons class for iOS style icons.
+  cupertino_icons: ^0.1.2
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+
+# For information on the generic Dart part of this file, see the
+# following page: https://www.dartlang.org/tools/pub/pubspec
+
+# The following section is specific to Flutter.
+flutter:
+
+  # The following line ensures that the Material Icons font is
+  # included with your application, so that you can use the icons in
+  # the material Icons class.
+  uses-material-design: true
+
+  # To add assets to your application, add an assets section, like this:
+  # assets:
+  #  - images/a_dot_burr.jpeg
+  #  - images/a_dot_ham.jpeg
+
+  # An image asset can refer to one or more resolution-specific "variants", see
+  # https://flutter.io/assets-and-images/#resolution-aware.
+
+  # For details regarding adding assets from package dependencies, see
+  # https://flutter.io/assets-and-images/#from-packages
+
+  # To add custom fonts to your application, add a fonts section here,
+  # in this "flutter" section. Each entry in this list should have a
+  # "family" key with the font family name, and a "fonts" key with a
+  # list giving the asset and other descriptors for the font. For
+  # example:
+  # fonts:
+  #   - family: Schyler
+  #     fonts:
+  #       - asset: fonts/Schyler-Regular.ttf
+  #       - asset: fonts/Schyler-Italic.ttf
+  #         style: italic
+  #   - family: Trajan Pro
+  #     fonts:
+  #       - asset: fonts/TrajanPro.ttf
+  #       - asset: fonts/TrajanPro_Bold.ttf
+  #         weight: 700
+  #
+  # For details regarding fonts from package dependencies,
+  # see https://flutter.io/custom-fonts/#from-packages
diff --git a/example/test/widget_test.dart b/example/test/widget_test.dart
new file mode 100644
index 0000000..201d65c
--- /dev/null
+++ b/example/test/widget_test.dart
@@ -0,0 +1,12 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility that Flutter provides. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+}
diff --git a/lib/main.dart b/lib/main.dart
new file mode 100644
index 0000000..103a4dc
--- /dev/null
+++ b/lib/main.dart
@@ -0,0 +1,542 @@
+import 'dart:math';
+
+import 'package:flutter/material.dart';
+
+void main() => runApp(MyApp());
+
+class MyApp extends StatelessWidget {
+  // This widget is the root of your application.
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'Flutter Demo',
+      theme: ThemeData(
+        // This is the theme of your application.
+        //
+        // Try running your application with "flutter run". You'll see the
+        // application has a blue toolbar. Then, without quitting the app, try
+        // changing the primarySwatch below to Colors.green and then invoke
+        // "hot reload" (press "r" in the console where you ran "flutter run",
+        // or simply save your changes to "hot reload" in a Flutter IDE).
+        // Notice that the counter didn't reset back to zero; the application
+        // is not restarted.
+        primarySwatch: Colors.blue,
+      ),
+      home: MyHomePage(title: 'Flutter Demo Home Page'),
+    );
+  }
+}
+
+class MyHomePage extends StatefulWidget {
+  MyHomePage({Key key, this.title}) : super(key: key);
+
+  final String title;
+
+  @override
+  _MyHomePageState createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> with TickerProviderStateMixin{
+
+  List<TargetFocus> targets = List();
+
+  AnimationController _controller;
+  AnimationController _controllerPulse;
+  CurvedAnimation _curvedAnimation;
+  Animation tweenPulse ;
+
+  double paddingFocus = 10;
+
+  GlobalKey keyButton = GlobalKey();
+  GlobalKey keyButton2 = GlobalKey();
+  GlobalKey keyButton3 = GlobalKey();
+  GlobalKey keyButton4 = GlobalKey();
+  GlobalKey keyButton5 = GlobalKey();
+
+  List<GlobalKey> keys = List();
+
+  Offset positioned = Offset(0.0, 0.0);
+  double sizeCircle = 100;
+  int currentKey = -1;
+  double progressAnimated = 0;
+  bool finishFocus = false;
+  bool init = false;
+  bool initReverse = false;
+
+  double _opacityContent = 0.0;
+
+  @override
+  void initState() {
+
+    targets.add(
+      TargetFocus(
+        keyTarget: keyButton,
+        contents: [
+          ContentTarget(
+            align: AlignContent.bottom,
+            child: Container(
+              child:Text("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin pulvinar tortor eget maximus iaculis.",
+              style: TextStyle(
+                color: Colors.white
+              ),),
+            )
+          )
+        ]
+      )
+    );
+
+    targets.add(
+        TargetFocus(
+            keyTarget: keyButton4,
+            contents: [
+              ContentTarget(
+                  align: AlignContent.left,
+                  child: Container(
+                    child: Text("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin pulvinar tortor eget maximus iaculis.",
+                      style: TextStyle(
+                          color: Colors.white
+                      ),),
+                  )
+              )
+            ]
+        )
+    );
+
+    targets.add(
+        TargetFocus(
+            keyTarget: keyButton5,
+            contents: [
+              ContentTarget(
+                  align: AlignContent.right,
+                  child: Container(
+                    child: Text("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin pulvinar tortor eget maximus iaculis.",
+                      style: TextStyle(
+                          color: Colors.white
+                      ),),
+                  )
+              )
+            ]
+        )
+    );
+
+    targets.add(
+        TargetFocus(
+            keyTarget: keyButton3,
+            contents: [
+              ContentTarget(
+                  align: AlignContent.top,
+                  child: Container(
+                    child: Text("Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin pulvinar tortor eget maximus iaculis.",
+                      style: TextStyle(
+                          color: Colors.white
+                      ),),
+                  )
+              )
+            ]
+        )
+    );
+
+
+
+    _controller = AnimationController(vsync: this,duration: Duration(milliseconds: 600));
+    _controller..addStatusListener((status){
+      if(status == AnimationStatus.completed){
+        setState(() {
+          finishFocus = true;
+        });
+        _showContent(true);
+        _controllerPulse.forward();
+      }
+      if(status == AnimationStatus.dismissed){
+        setState(() {
+          finishFocus = false;
+          initReverse = false;
+        });
+        _nextFocus();
+      }
+
+      if(status == AnimationStatus.reverse){
+        _showContent(false);
+      }
+    });
+
+    _curvedAnimation = CurvedAnimation(parent: _controller, curve: Curves.ease);
+
+
+    _controllerPulse = AnimationController(vsync: this,duration: Duration(milliseconds: 500));
+    _controllerPulse.addStatusListener((status){
+
+      if(status == AnimationStatus.completed){
+        _controllerPulse.reverse();
+      }
+
+      if(status == AnimationStatus.dismissed){
+        if(initReverse){
+          setState(() {
+            finishFocus = false;
+          });
+          _controller.reverse();
+        }else if(finishFocus) {
+          _controllerPulse.forward();
+        }
+      }
+    });
+    tweenPulse = Tween(begin: 1.0,end: 0.99).animate(CurvedAnimation(parent: _controllerPulse, curve: Curves.ease));
+    //WidgetsBinding.instance.addPostFrameCallback(_afterLayout);
+    super.initState();
+  }
+  @override
+  Widget build(BuildContext context) {
+
+    return Scaffold(
+      body: Container(
+        color: Colors.cyan,
+        child: InkWell(
+          onTap: (){
+            if(!init){
+              setState(() {
+                init = true;
+              });
+              _nextFocus();
+            }else if(finishFocus){
+              setState(() {
+                initReverse = true;
+              });
+            }
+          },
+          child: Stack(
+            children: <Widget>[
+              Align(
+                alignment: Alignment.topCenter,
+                child: Padding(
+                  padding: const EdgeInsets.all(50.0),
+                  child: SizedBox(
+                    width: 50,
+                    height: 50,
+                    child: RaisedButton(
+                      key: keyButton,
+                      onPressed: (){
+                    },),
+                  ),
+                ),
+              ),
+              Align(
+                alignment: Alignment.center,
+                child: SizedBox(
+                  width: 50,
+                  height: 50,
+                  child: RaisedButton(
+                    key: keyButton2,
+                    onPressed: (){
+
+                    },),
+                ),
+              ),
+              Align(
+                alignment: Alignment.bottomCenter,
+                child: Padding(
+                  padding: const EdgeInsets.all(50.0),
+                  child: SizedBox(
+                    width: 50,
+                    height: 50,
+                    child: RaisedButton(
+                      key: keyButton3,
+                      onPressed: (){
+
+                      },),
+                  ),
+                ),
+              ),
+              Align(
+                alignment: Alignment.centerRight,
+                child: Padding(
+                  padding: const EdgeInsets.all(50.0),
+                  child: SizedBox(
+                    width: 50,
+                    height: 50,
+                    child: RaisedButton(
+                      key: keyButton4,
+                      onPressed: (){
+
+                      },),
+                  ),
+                ),
+              ),
+              Align(
+                alignment: Alignment.centerLeft,
+                child: Padding(
+                  padding: const EdgeInsets.all(50.0),
+                  child: SizedBox(
+                    width: 50,
+                    height: 50,
+                    child: RaisedButton(
+                      key: keyButton5,
+                      onPressed: (){
+
+                      },),
+                  ),
+                ),
+              ),
+              AnimatedBuilder(
+                  animation: _controller,
+                  builder: (_,chuild){
+                    progressAnimated = _curvedAnimation.value;
+                    return AnimatedBuilder(
+                      animation: _controllerPulse,
+                      builder: (_,child){
+                        if(finishFocus) {
+                          progressAnimated = tweenPulse.value;
+                        }
+                        return Container(
+                          width: double.maxFinite,
+                          height: double.maxFinite,
+                          child: CustomPaint(
+                              painter: MyCustomPaint(
+                                  progressAnimated,
+                                  positioned,
+                                  sizeCircle: sizeCircle
+                              )),
+                        );
+                      },
+                    );
+                  }
+              ),
+              _buildContent()
+            ],
+          ),
+          ),
+        ),
+    );
+  }
+
+  void _nextFocus() {
+
+    currentKey++;
+
+    if(currentKey > targets.length -1){
+
+      setState(() {
+        currentKey = -1;
+        init = false;
+      });
+
+      return;
+
+    }
+
+    TargetPosition target = _getTargetCurrent();
+
+
+    setState(() {
+
+      finishFocus = false;
+
+      positioned = Offset(target.offset.dx + (target.size.width /2), target.offset.dy + (target.size.height /2));
+
+      if(target.size.height > target.size.width){
+        sizeCircle = target.size.height * 0.6 + paddingFocus;
+      }else{
+        sizeCircle = target.size.width * 0.6 + paddingFocus;
+      }
+
+    });
+
+    _controller.forward();
+
+  }
+
+  @override
+  void dispose() {
+    _controllerPulse.dispose();
+    _controller.dispose();
+    super.dispose();
+  }
+
+  void _showContent(bool show) {
+    setState(() {
+      if(show){
+        _opacityContent = 1.0;
+      }else{
+        _opacityContent = 0.0;
+      }
+    });
+  }
+
+  Widget _buildContent() {
+
+
+    List<Widget> widgtes = List();
+
+    if(currentKey > -1){
+
+      TargetPosition target = _getTargetCurrent();
+      double weight = 0.0;
+
+      widgtes = targets[currentKey].contents.map<Widget>((i){
+        Alignment align;
+
+        switch(i.align){
+          case AlignContent.bottom:{
+            align = Alignment(0, positioned.dy + sizeCircle);
+            weight = MediaQuery.of(context).size.width;
+          }break;
+          case AlignContent.top:{
+            align = Alignment(0, sizeCircle + (MediaQuery.of(context).size.height - positioned.dy));
+            weight = MediaQuery.of(context).size.width;
+          } break;
+          case AlignContent.left:{
+            align = Alignment(0, positioned.dy - target.size.height);
+            weight = positioned.dx - sizeCircle;
+          } break;
+          case AlignContent.right:{
+            align = Alignment(positioned.dx + sizeCircle, positioned.dy - target.size.height);
+            weight = MediaQuery.of(context).size.width - align.x;
+          } break;
+        }
+
+        if(i.align == AlignContent.top){
+
+          return Positioned(
+            bottom: align.y,
+            left: align.x,
+            child: Container(
+              width: weight,
+              child: AnimatedOpacity(
+                opacity: _opacityContent,
+                duration: Duration(milliseconds: 300),
+                child: Padding(
+                  padding: const EdgeInsets.all(20.0),
+                  child: i.child,
+                ),
+              ),
+            ),
+          );
+        }
+
+        return Positioned(
+          top: align.y,
+          left: align.x,
+          child: Container(
+            width: weight,
+            child: AnimatedOpacity(
+              opacity: _opacityContent,
+              duration: Duration(milliseconds: 300),
+              child: Padding(
+                padding: const EdgeInsets.all(20.0),
+                child: i.child,
+              ),
+            ),
+          ),
+        );
+
+      }).toList();
+    }
+
+    return Container(
+      width: double.maxFinite,
+      height: double.maxFinite,
+      child: Stack(
+        children: widgtes,
+      ),
+    );
+  }
+
+  TargetPosition _getTargetCurrent() {
+
+    var target = targets[currentKey];
+
+    if(target.keyTarget != null){
+
+      var key = target.keyTarget;
+
+      try{
+
+        final RenderBox renderBoxRed = key.currentContext.findRenderObject();
+        final size = renderBoxRed.size;
+        final offset = renderBoxRed.localToGlobal(Offset.zero);
+
+        return TargetPosition(
+          size,
+          offset
+        );
+
+      }catch(e){
+        print("ERROR: Não foi possivem oter informações da KEY");
+        return null;
+      }
+
+    }else{
+      return target.targetPosition;
+    }
+  }
+
+}
+
+class MyCustomPaint extends CustomPainter {
+
+  final double progress;
+  final Offset positioned;
+
+  final double sizeCircle;
+
+  MyCustomPaint(this.progress, this.positioned, {this.sizeCircle = 100});
+
+  @override
+  void paint(Canvas canvas, Size size) {
+
+    double sizeFocus = (size.height * 1.4) * (1-progress) + sizeCircle;
+
+    Paint paintFocus = Paint()
+    ..color = Colors.transparent
+      ..blendMode = BlendMode.clear;
+
+    canvas.saveLayer(Offset.zero & size, Paint());
+    canvas.drawColor(Colors.black.withOpacity(0.8), BlendMode.dstATop);
+
+    double radius  = min(sizeFocus,sizeFocus);
+    canvas.drawCircle(
+        positioned,
+        radius,
+        paintFocus
+    );
+    canvas.restore();
+
+  }
+
+  @override
+  bool shouldRepaint(MyCustomPaint oldDelegate) {
+    return oldDelegate.progress != progress;
+  }
+}
+
+class TargetPosition{
+  final Size size;
+  final Offset offset;
+
+  TargetPosition(this.size, this.offset);
+}
+
+enum AlignContent{
+  top,
+  bottom,
+  left,
+  right
+}
+
+class ContentTarget{
+
+  final AlignContent align;
+  final Widget child;
+
+  ContentTarget({this.align = AlignContent.bottom, this.child}):assert(child != null);
+}
+
+class TargetFocus{
+
+  final GlobalKey keyTarget;
+  final TargetPosition targetPosition;
+  final List<ContentTarget> contents;
+
+  TargetFocus({this.keyTarget, this.targetPosition, this.contents}):assert(keyTarget != null || targetPosition != null);
+
+}
diff --git a/lib/tutorial_coach_mark.dart b/lib/tutorial_coach_mark.dart
new file mode 100644
index 0000000..80285b2
--- /dev/null
+++ b/lib/tutorial_coach_mark.dart
@@ -0,0 +1,7 @@
+library tutorial_coach_mark;
+
+/// A Calculator.
+class Calculator {
+  /// Returns [value] plus 1.
+  int addOne(int value) => value + 1;
+}
diff --git a/pubspec.lock b/pubspec.lock
new file mode 100644
index 0000000..ea890ff
--- /dev/null
+++ b/pubspec.lock
@@ -0,0 +1,139 @@
+# Generated by pub
+# See https://www.dartlang.org/tools/pub/glossary#lockfile
+packages:
+  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"
+  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"
+  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"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.6.2"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.0"
+  quiver:
+    dependency: transitive
+    description:
+      name: quiver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.99"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.4"
+  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: "1.1.0"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.2"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.6"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.8"
+sdks:
+  dart: ">=2.1.0 <3.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
new file mode 100644
index 0000000..d7fbec4
--- /dev/null
+++ b/pubspec.yaml
@@ -0,0 +1,53 @@
+name: tutorial_coach_mark
+description: TutorialCoachMark
+version: 0.0.1
+author:
+homepage:
+
+environment:
+  sdk: ">=2.1.0 <3.0.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+
+# For information on the generic Dart part of this file, see the
+# following page: https://www.dartlang.org/tools/pub/pubspec
+
+# The following section is specific to Flutter.
+flutter:
+
+  # To add assets to your package, add an assets section, like this:
+  # assets:
+  #  - images/a_dot_burr.jpeg
+  #  - images/a_dot_ham.jpeg
+  #
+  # For details regarding assets in packages, see
+  # https://flutter.io/assets-and-images/#from-packages
+  #
+  # An image asset can refer to one or more resolution-specific "variants", see
+  # https://flutter.io/assets-and-images/#resolution-aware.
+
+  # To add custom fonts to your package, add a fonts section here,
+  # in this "flutter" section. Each entry in this list should have a
+  # "family" key with the font family name, and a "fonts" key with a
+  # list giving the asset and other descriptors for the font. For
+  # example:
+  # fonts:
+  #   - family: Schyler
+  #     fonts:
+  #       - asset: fonts/Schyler-Regular.ttf
+  #       - asset: fonts/Schyler-Italic.ttf
+  #         style: italic
+  #   - family: Trajan Pro
+  #     fonts:
+  #       - asset: fonts/TrajanPro.ttf
+  #       - asset: fonts/TrajanPro_Bold.ttf
+  #         weight: 700
+  #
+  # For details regarding fonts in packages, see
+  # https://flutter.io/custom-fonts/#from-packages
diff --git a/test/tutorial_coach_mark_test.dart b/test/tutorial_coach_mark_test.dart
new file mode 100644
index 0000000..e020d97
--- /dev/null
+++ b/test/tutorial_coach_mark_test.dart
@@ -0,0 +1,13 @@
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:tutorial_coach_mark/tutorial_coach_mark.dart';
+
+void main() {
+  test('adds one to input values', () {
+    final calculator = Calculator();
+    expect(calculator.addOne(2), 3);
+    expect(calculator.addOne(-7), -6);
+    expect(calculator.addOne(0), 1);
+    expect(() => calculator.addOne(null), throwsNoSuchMethodError);
+  });
+}
diff --git a/tutorial_coach_mark.iml b/tutorial_coach_mark.iml
new file mode 100644
index 0000000..28de00e
--- /dev/null
+++ b/tutorial_coach_mark.iml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/lib" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/.dart_tool" />
+      <excludeFolder url="file://$MODULE_DIR$/.idea" />
+      <excludeFolder url="file://$MODULE_DIR$/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/build" />
+      <excludeFolder url="file://$MODULE_DIR$/example/tutorial_coach_mark_demo/.dart_tool" />
+      <excludeFolder url="file://$MODULE_DIR$/example/tutorial_coach_mark_demo/.pub" />
+      <excludeFolder url="file://$MODULE_DIR$/example/tutorial_coach_mark_demo/build" />
+    </content>
+    <orderEntry type="jdk" jdkName="Android API 25 Platform" jdkType="Android SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Dart Packages" level="project" />
+    <orderEntry type="library" name="Dart SDK" level="project" />
+    <orderEntry type="library" name="Flutter Plugins" level="project" />
+  </component>
+</module>
\ No newline at end of file