From 561538a32805cda047d30e561e85ea277b9e2fba Mon Sep 17 00:00:00 2001
From: Kunhung Li <kunhungli@google.com>
Date: Tue, 26 Feb 2019 11:33:27 +0800
Subject: Update background color for top title bar and bottom panel

Bug: 126282838
Test: Manual test
Change-Id: Id0b3970e67d72c1908130f8e3b75be5a22e9a145
---
 res/drawable/gradient_background.xml  | 22 ++++++++++++++++++++++
 res/layout/live_wallpaper_preview.xml |  8 +++++++-
 res/values/colors.xml                 |  3 ++-
 res/values/dimensions.xml             |  3 +++
 res/values/styles.xml                 |  6 +++---
 5 files changed, 37 insertions(+), 5 deletions(-)
 create mode 100644 res/drawable/gradient_background.xml

diff --git a/res/drawable/gradient_background.xml b/res/drawable/gradient_background.xml
new file mode 100644
index 0000000..0a5d692
--- /dev/null
+++ b/res/drawable/gradient_background.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2019 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="rectangle">
+    <gradient
+        android:angle="90"
+        android:startColor="@android:color/transparent"
+        android:endColor="@color/translucent_blue_dark"/>
+</shape>
diff --git a/res/layout/live_wallpaper_preview.xml b/res/layout/live_wallpaper_preview.xml
index 05ac0c9..f1d6159 100644
--- a/res/layout/live_wallpaper_preview.xml
+++ b/res/layout/live_wallpaper_preview.xml
@@ -35,6 +35,12 @@
 
     </FrameLayout>
 
+    <View
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/preview_gradient_background_height"
+        android:layout_gravity="top"
+        android:background="@drawable/gradient_background"/>
+
     <FrameLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
@@ -45,7 +51,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_gravity="bottom"
-            android:background="@color/translucent_black"
+            android:background="@color/translucent_blue_light"
             android:orientation="vertical">
 
             <com.google.android.material.tabs.TabLayout
diff --git a/res/values/colors.xml b/res/values/colors.xml
index a81efb6..f89e4ff 100644
--- a/res/values/colors.xml
+++ b/res/values/colors.xml
@@ -21,6 +21,7 @@
     <color name="live_wallpaper_thumbnail_background">#CC666666</color>
     <color name="live_wallpaper_thumbnail_text_color">#FFFFFFFF</color>
 
-    <color name="translucent_black">#96000000</color>
+    <color name="translucent_blue_light">#66133659</color>
+    <color name="translucent_blue_dark">#99133659</color>
 </resources>
 
diff --git a/res/values/dimensions.xml b/res/values/dimensions.xml
index 528901b..0f3890c 100644
--- a/res/values/dimensions.xml
+++ b/res/values/dimensions.xml
@@ -29,6 +29,9 @@
     <dimen name="preview_toolbar_start_padding">0dp</dimen>
     <dimen name="preview_toolbar_end_padding">12dp</dimen>
 
+    <!-- Dimensions for the gradient area.  -->
+    <dimen name="preview_gradient_background_height">128dp</dimen>
+
     <!-- Dimensions for the preview attribution pane. -->
     <dimen name="preview_attribution_pane_horizontal_padding">16dp</dimen>
     <dimen name="preview_attribution_pane_vertical_padding">13dp</dimen>
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 8020103..caf3f1f 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -27,8 +27,8 @@
         <item name="android:windowDisablePreview">true</item>
 
         <!-- Set status bar and navigation buttons to be translucent. -->
-        <item name="android:statusBarColor">@color/translucent_black</item>
-        <item name="android:navigationBarColor">@color/translucent_black</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:navigationBarColor">@color/translucent_blue_light</item>
 
         <item name="android:colorAccent">@*android:color/accent_device_default_light</item>
         <item name="colorAccent">@*android:color/accent_device_default_light</item>
@@ -37,7 +37,7 @@
     </style>
 
     <style name="TranslucentToolbarStyle" parent="@style/Widget.AppCompat.Toolbar">
-        <item name="android:background">@color/translucent_black</item>
+        <item name="android:background">@android:color/transparent</item>
         <item name="android:theme">@style/ThemeOverlay.AppCompat.Dark.ActionBar</item>
     </style>
 
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