Updating gesture tutorial home animation

> Using a separate View as icon, instead of the taskView
> Updating swipe animation logic to abstract out FloatingIconView dependency

Change-Id: Ib466262afead11ebe4ca035d589f0382c37e3e97
diff --git a/quickstep/res/drawable/bg_circle.xml b/quickstep/res/drawable/bg_circle.xml
new file mode 100644
index 0000000..506177b
--- /dev/null
+++ b/quickstep/res/drawable/bg_circle.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2020 The Android Open Source Project
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="#FFFFFFFF" />
+</shape>
\ No newline at end of file
diff --git a/quickstep/res/layout/gesture_tutorial_fragment.xml b/quickstep/res/layout/gesture_tutorial_fragment.xml
index 459d65f..43bf0ea 100644
--- a/quickstep/res/layout/gesture_tutorial_fragment.xml
+++ b/quickstep/res/layout/gesture_tutorial_fragment.xml
@@ -24,6 +24,14 @@
         android:layout_height="match_parent"
         android:background="@drawable/gesture_tutorial_ripple"/>
 
+    <com.android.launcher3.views.ClipIconView
+        android:id="@+id/gesture_tutorial_fake_icon_view"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:background="@drawable/bg_circle"
+        android:backgroundTint="@color/gesture_tutorial_fake_task_view_color"
+        android:visibility="invisible" />
+
     <View
         android:id="@+id/gesture_tutorial_fake_task_view"
         android:layout_width="match_parent"
@@ -41,81 +49,81 @@
         android:id="@+id/gesture_tutorial_fragment_close_button"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:padding="18dp"
-        android:layout_marginTop="30dp"
-        android:layout_marginStart="4dp"
         android:layout_alignParentStart="true"
         android:layout_alignParentTop="true"
-        android:background="@android:color/transparent"
+        android:layout_marginStart="4dp"
+        android:layout_marginTop="30dp"
         android:accessibilityTraversalAfter="@id/gesture_tutorial_fragment_titles_container"
+        android:background="@android:color/transparent"
         android:contentDescription="@string/gesture_tutorial_close_button_content_description"
-        android:tint="?android:attr/textColorPrimary"
-        android:src="@drawable/gesture_tutorial_close_button"/>
+        android:padding="18dp"
+        android:src="@drawable/gesture_tutorial_close_button"
+        android:tint="?android:attr/textColorPrimary"/>
 
     <LinearLayout
         android:id="@+id/gesture_tutorial_fragment_titles_container"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_marginTop="70dp"
         android:layout_alignParentTop="true"
+        android:layout_marginTop="70dp"
         android:focusable="true"
         android:gravity="center_horizontal"
         android:orientation="vertical">
 
         <TextView
             android:id="@+id/gesture_tutorial_fragment_title_view"
+            style="@style/TextAppearance.GestureTutorial.Title"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginStart="@dimen/gesture_tutorial_title_margin_start_end"
-            android:layout_marginEnd="@dimen/gesture_tutorial_title_margin_start_end"
-            style="@style/TextAppearance.GestureTutorial.Title"/>
+            android:layout_marginEnd="@dimen/gesture_tutorial_title_margin_start_end"/>
 
         <TextView
             android:id="@+id/gesture_tutorial_fragment_subtitle_view"
+            style="@style/TextAppearance.GestureTutorial.Subtitle"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_marginTop="10dp"
             android:layout_marginStart="@dimen/gesture_tutorial_subtitle_margin_start_end"
-            android:layout_marginEnd="@dimen/gesture_tutorial_subtitle_margin_start_end"
-            style="@style/TextAppearance.GestureTutorial.Subtitle"/>
+            android:layout_marginTop="10dp"
+            android:layout_marginEnd="@dimen/gesture_tutorial_subtitle_margin_start_end"/>
     </LinearLayout>
 
     <TextView
         android:id="@+id/gesture_tutorial_fragment_feedback_view"
+        style="@style/TextAppearance.GestureTutorial.Feedback"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_marginBottom="10dp"
-        android:layout_centerHorizontal="true"
         android:layout_above="@id/gesture_tutorial_fragment_action_button"
+        android:layout_centerHorizontal="true"
         android:layout_marginStart="@dimen/gesture_tutorial_feedback_margin_start_end"
         android:layout_marginEnd="@dimen/gesture_tutorial_feedback_margin_start_end"
-        style="@style/TextAppearance.GestureTutorial.Feedback"/>
+        android:layout_marginBottom="10dp"/>
 
     <!-- android:stateListAnimator="@null" removes shadow and normal on click behavior (increase
          of elevation and shadow) which is replaced by ripple effect in android:foreground -->
     <Button
         android:id="@+id/gesture_tutorial_fragment_action_button"
+        style="@style/TextAppearance.GestureTutorial.ButtonLabel"
         android:layout_width="142dp"
         android:layout_height="49dp"
-        android:layout_marginEnd="@dimen/gesture_tutorial_button_margin_start_end"
-        android:layout_marginBottom="48dp"
         android:layout_alignParentEnd="true"
         android:layout_alignParentBottom="true"
-        android:stateListAnimator="@null"
+        android:layout_marginEnd="@dimen/gesture_tutorial_button_margin_start_end"
+        android:layout_marginBottom="48dp"
         android:background="@drawable/gesture_tutorial_action_button_background"
         android:foreground="?android:attr/selectableItemBackgroundBorderless"
-        style="@style/TextAppearance.GestureTutorial.ButtonLabel"/>
+        android:stateListAnimator="@null"/>
 
     <Button
         android:id="@+id/gesture_tutorial_fragment_action_text_button"
+        style="@style/TextAppearance.GestureTutorial.TextButtonLabel"
         android:layout_width="142dp"
         android:layout_height="49dp"
-        android:layout_marginStart="@dimen/gesture_tutorial_button_margin_start_end"
-        android:layout_marginBottom="48dp"
         android:layout_alignParentStart="true"
         android:layout_alignParentBottom="true"
-        android:stateListAnimator="@null"
+        android:layout_marginStart="@dimen/gesture_tutorial_button_margin_start_end"
+        android:layout_marginBottom="48dp"
         android:background="@null"
         android:foreground="?android:attr/selectableItemBackgroundBorderless"
-        style="@style/TextAppearance.GestureTutorial.TextButtonLabel"/>
+        android:stateListAnimator="@null"/>
 </RelativeLayout>
\ No newline at end of file