Simplifying some launcher themes

> Replacing some colors with theme attributes
> Simplifying styles definition by removing unnecessary inheritance and inlining some definitions

Change-Id: Ifa167515cae6a7fd3720f1a52ff9ce11abb4495f

AndroidManifest.xml

@@ -56,6 +56,7 @@
         android:hardwareAccelerated="true"
         android:icon="@mipmap/ic_launcher_home"
         android:label="@string/derived_app_name"
+        android:theme="@style/LauncherTheme"
         android:largeHeap="@bool/config_largeHeap"
         android:restoreAnyVersion="true"
         android:supportsRtl="true" >
@@ -69,7 +70,6 @@
             android:launchMode="singleTask"
             android:clearTaskOnLaunch="true"
             android:stateNotNeeded="true"
-            android:theme="@style/LauncherTheme"
             android:windowSoftInputMode="adjustPan"
             android:screenOrientation="nosensor"
             android:configChanges="keyboard|keyboardHidden|navigation"
@@ -90,6 +90,7 @@
         <activity
             android:name="com.android.launcher3.SettingsActivity"
             android:label="@string/settings_button_text"
+            android:theme="@android:style/Theme.DeviceDefault.Settings"
             android:autoRemoveFromRecents="true">
             <intent-filter>
                 <action android:name="android.intent.action.APPLICATION_PREFERENCES" />

res/drawable/all_apps_divider.xml

@@ -15,6 +15,6 @@
 -->
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
        android:shape="rectangle">
-    <solid android:color="@color/all_apps_divider_color" />
+    <solid android:color="?android:attr/colorControlHighlight" />
     <size android:height="1dp" />
 </shape>

res/drawable/all_apps_search_hint.xml

@@ -15,6 +15,6 @@
      limitations under the License.
 -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:color="#00FFFFFF" android:state_focused="true" />
+    <item android:color="@android:color/transparent" android:state_focused="true" />
     <item android:color="?android:attr/colorAccent"/>
 </selector>

res/drawable/bg_pill_focused.xml

@@ -16,9 +16,8 @@
 
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
     <item android:state_focused="true">
-        <shape xmlns:android="http://schemas.android.com/apk/res/android"
+        <shape android:shape="rectangle">
-               android:shape="rectangle">
+            <stroke android:color="?android:attr/colorControlActivated" android:width="2dp" />
-            <stroke android:color="#616161" android:width="2dp"/>
             <corners android:radius="@dimen/bg_pill_radius" />
         </shape>
     </item>

res/drawable/deep_shortcuts_drag_handle.xml

@@ -18,9 +18,10 @@
         android:width="@dimen/deep_shortcut_drag_handle_size"
         android:height="@dimen/deep_shortcut_drag_handle_size"
         android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
+        android:viewportHeight="24.0"
+        android:tint="?android:attr/textColorHint" >
 
     <path
         android:pathData="M20 9H4v2h16V9zM4 15h16v-2H4v2z"
-        android:fillColor="#4D000000"/>
+        android:fillColor="@android:color/white" />
 </vector>

res/drawable/ic_setting.xml

@@ -19,6 +19,6 @@ Copyright (C) 2016 The Android Open Source Project
         android:viewportWidth="48.0"
         android:viewportHeight="48.0">
     <path
-        android:fillColor="#FFFFFFFF"
+        android:fillColor="@color/workspace_icon_text_color"
         android:pathData="M38.86 25.95c.08-.64 .14-1.29 .14-1.95s-.06-1.31-.14-1.95l4.23-3.31c.38-.3 .49-.84 .24-1.28l-4-6.93c-.25-.43-.77-.61-1.22-.43l-4.98 2.01c-1.03-.79-2.16-1.46-3.38-1.97L29 4.84c-.09-.47-.5-.84-1-.84h-8c-.5 0-.91 .37-.99 .84l-.75 5.3c-1.22 .51-2.35 1.17-3.38 1.97L9.9 10.1c-.45-.17-.97 0-1.22 .43l-4 6.93c-.25 .43-.14 .97 .24 1.28l4.22 3.31C9.06 22.69 9 23.34 9 24s.06 1.31 .14 1.95l-4.22 3.31c-.38 .3-.49 .84-.24 1.28l4 6.93c.25 .43 .77 .61 1.22 .43l4.98-2.01c1.03 .79 2.16 1.46 3.38 1.97l.75 5.3c.08 .47 .49 .84 .99 .84h8c.5 0 .91-.37 .99-.84l.75-5.3c1.22-.51 2.35-1.17 3.38-1.97l4.98 2.01c.45 .17 .97 0 1.22-.43l4-6.93c.25-.43 .14-.97-.24-1.28l-4.22-3.31zM24 31c-3.87 0-7-3.13-7-7s3.13-7 7-7 7 3.13 7 7-3.13 7-7 7z"/>
 </vector>

res/drawable/ic_wallpaper.xml

@@ -19,6 +19,6 @@ Copyright (C) 2016 The Android Open Source Project
         android:viewportWidth="48.0"
         android:viewportHeight="48.0">
     <path
-        android:fillColor="#FFFFFFFF"
+        android:fillColor="@color/workspace_icon_text_color"
         android:pathData="M8 8h14V4H8C5.79 4 4 5.79 4 8v14h4V8zm12 18l-8 10h24l-6-8-4.06 5.42L20 26zm14-9c0-1.66-1.34-3-3-3s-3 1.34-3 3 1.34 3 3 3 3-1.34 3-3zm6-13H26v4h14v14h4V8c0-2.21-1.79-4-4-4zm0 36H26v4h14c2.21 0 4-1.79 4-4V26h-4v14zM8 26H4v14c0 2.21 1.79 4 4 4h14v-4H8V26z"/>
 </vector>

res/drawable/ic_widget.xml

@@ -19,6 +19,6 @@ Copyright (C) 2016 The Android Open Source Project
         android:viewportWidth="48.0"
         android:viewportHeight="48.0">
     <path
-        android:fillColor="#FFFFFFFF"
+        android:fillColor="@color/workspace_icon_text_color"
         android:pathData="M26 26v16h16V26H26zM6 42h16V26H6v16zM6 6v16h16V6H6zm27.31-2.63L22 14.69 33.31 26l11.31-11.31L33.31 3.37z"/>
 </vector>

res/drawable/quantum_panel.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2015 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.
--->
-<inset xmlns:android="http://schemas.android.com/apk/res/android"
-       android:drawable="@drawable/quantum_panel_shape"
-       android:insetBottom="@dimen/quantum_panel_outer_padding"
-       android:insetLeft="@dimen/quantum_panel_outer_padding"
-       android:insetRight="@dimen/quantum_panel_outer_padding"
-       android:insetTop="@dimen/quantum_panel_outer_padding" />

res/drawable/quantum_panel_shape.xml

@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2015 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">
-    <solid android:color="@color/quantum_panel_bg_color" />
-    <corners
-        android:radius="2dp" />
-</shape>

res/layout/all_apps.xml

@@ -22,7 +22,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    launcher:revealBackground="@drawable/quantum_panel_shape">
+    launcher:revealBackground="@drawable/round_rect_primary">
 
     <View
         android:id="@+id/reveal_view"
@@ -54,8 +54,7 @@
             android:descendantFocusability="afterDescendants"
             android:focusable="true"
             android:paddingStart="@dimen/container_fastscroll_thumb_max_width"
-            android:paddingEnd="@dimen/container_fastscroll_thumb_max_width"
+            android:paddingEnd="@dimen/container_fastscroll_thumb_max_width" />
-            android:theme="@style/AllAppsOverscroll" />
 
         <!-- Fast scroller popup -->
         <TextView
@@ -87,7 +86,7 @@
                 android:maxLines="1"
                 android:scrollHorizontally="true"
                 android:singleLine="true"
-                android:textColor="#4c4c4c"
+                android:textColor="?android:attr/textColorSecondary"
                 android:hint="@string/all_apps_search_bar_hint"
                 android:textColorHint="@drawable/all_apps_search_hint"
                 android:textSize="16sp" />
@@ -95,11 +94,11 @@
 
     </com.android.launcher3.allapps.AllAppsRecyclerViewContainerView>
     <View
+        style="@style/AllAppsNavBarProtection"
         android:id="@+id/nav_bar_bg"
         android:layout_width="match_parent"
         android:layout_height="0dp"
         android:layout_gravity="bottom"
-        android:background="@color/all_apps_navbar_color"
         android:focusable="false"
         android:visibility="invisible" />
 </com.android.launcher3.allapps.AllAppsContainerView>

res/layout/all_apps_button.xml

@@ -14,6 +14,4 @@
      limitations under the License.
 -->
 
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+<TextView style="@style/BaseIcon" />
-   style="@style/Icon"
-   android:focusable="true" />

res/layout/all_apps_empty_search.xml

@@ -25,7 +25,6 @@
     android:paddingRight="16dp"
     android:fontFamily="sans-serif-medium"
     android:textSize="14sp"
-    android:textColor="#212121"
+    android:textColor="?android:attr/textColorTertiary"
-    android:alpha="0.56"
     android:focusable="false" />
 

res/layout/all_apps_icon.xml

@@ -16,12 +16,13 @@
 <com.android.launcher3.BubbleTextView
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:launcher="http://schemas.android.com/apk/res-auto"
-    style="@style/Icon.AllApps"
+    style="@style/BaseIcon"
     android:id="@+id/icon"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_gravity="center"
-    android:focusable="true"
     launcher:iconDisplay="all_apps"
-    launcher:centerVertically="true" />
+    launcher:centerVertically="true"
+    android:paddingLeft="4dp"
+    android:paddingRight="4dp"
+    android:drawablePadding="@dimen/dynamic_grid_icon_drawable_padding" />
 

res/layout/app_icon.xml

@@ -14,6 +14,4 @@
      limitations under the License.
 -->
 
-<com.android.launcher3.BubbleTextView xmlns:android="http://schemas.android.com/apk/res/android"
+<com.android.launcher3.BubbleTextView style="@style/BaseIcon.Workspace" />
-   style="@style/Icon"
-   android:focusable="true" />

res/layout/deep_shortcut.xml

@@ -16,18 +16,28 @@
 
 <com.android.launcher3.shortcuts.DeepShortcutView
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:launcher="http://schemas.android.com/apk/res-auto"
     android:layout_width="@dimen/bg_pill_width"
     android:layout_height="@dimen/bg_pill_height"
     android:elevation="@dimen/deep_shortcuts_elevation"
-    android:background="@drawable/bg_white_pill">
+    android:background="@drawable/bg_white_pill" >
 
-<com.android.launcher3.shortcuts.DeepShortcutTextView
+    <com.android.launcher3.shortcuts.DeepShortcutTextView
+        style="@style/BaseIcon"
         android:id="@+id/deep_shortcut"
-        style="@style/Icon.DeepShortcut"
+        android:background="@drawable/bg_pill_focused"
-        android:layout_width="match_parent"
+        android:gravity="start|center_vertical"
-        android:layout_height="match_parent"
+        android:textAlignment="viewStart"
-        android:focusable="true"
+        android:paddingStart="@dimen/bg_pill_height"
-        android:background="@drawable/bg_pill_focused" />
+        android:paddingEnd="@dimen/deep_shortcut_padding_end"
+        android:drawableEnd="@drawable/deep_shortcuts_drag_handle"
+        android:drawablePadding="@dimen/deep_shortcut_drawable_padding"
+        android:textSize="14sp"
+        android:fontFamily="sans-serif"
+        launcher:layoutHorizontal="true"
+        launcher:iconDisplay="shortcut_popup"
+        launcher:iconSizeOverride="@dimen/deep_shortcut_icon_size"
+        android:elevation="@dimen/deep_shortcuts_elevation" />
 
     <View
         android:id="@+id/popup_item_icon"

res/layout/folder_application.xml

@@ -14,6 +14,9 @@
      limitations under the License.
 -->
 
-<com.android.launcher3.BubbleTextView xmlns:android="http://schemas.android.com/apk/res/android"
+<com.android.launcher3.BubbleTextView
-   style="@style/Icon.Folder"
+    xmlns:android="http://schemas.android.com/apk/res/android"
-   android:focusable="true" />
+    xmlns:launcher="http://schemas.android.com/apk/res-auto"
+    style="@style/BaseIcon"
+    android:includeFontPadding="false"
+    launcher:iconDisplay="folder" />

res/layout/folder_icon.xml

@@ -21,8 +21,9 @@
     android:orientation="vertical"
     android:focusable="true" >
     <com.android.launcher3.BubbleTextView
-        style="@style/Icon"
+        style="@style/BaseIcon.Workspace"
         android:id="@+id/folder_icon_name"
+        android:focusable="false"
         android:layout_gravity="top"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />

res/layout/notification_main.xml

@@ -21,7 +21,6 @@
     android:layout_height="match_parent"
     android:orientation="horizontal"
     android:focusable="true"
-    android:background="@drawable/bg_pill_focused"
     android:elevation="@dimen/notification_elevation" >
 
     <View
@@ -39,13 +38,20 @@
         android:gravity="center_vertical">
         <TextView
             android:id="@+id/title"
-            style="@style/Icon.DeepNotification"
+            android:textAlignment="viewStart"
+            android:fontFamily="sans-serif"
+            android:textSize="14sp"
+            android:textColor="?android:attr/textColorSecondary"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" />
 
         <TextView
             android:id="@+id/text"
-            style="@style/Icon.DeepNotification.SubText"
+            android:paddingEnd="4dp"
+            android:textSize="12sp"
+            android:textAlignment="viewStart"
+            android:fontFamily="sans-serif"
+            android:textColor="?android:attr/textColorTertiary"
             android:layout_width="match_parent"
             android:layout_height="wrap_content" />
     </LinearLayout>

res/layout/qsb_default_view.xml

@@ -23,7 +23,7 @@
         android:layout_height="48dp"
         android:layout_margin="16dp"
         android:layout_gravity="center_vertical"
-        android:background="@drawable/quantum_panel_shape"
+        android:background="@drawable/round_rect_primary"
         android:elevation="2dp"
         android:orientation="horizontal">
 
@@ -35,7 +35,7 @@
             android:gravity="center_vertical"
             android:paddingStart="16dp"
             android:text="@string/abandoned_search"
-            android:textColor="@color/quantum_panel_text_color"
+            android:textColor="?android:attr/textColorSecondary"
             android:textAppearance="?android:textAppearanceMedium"
             android:clickable="true"
             android:background="?android:attr/selectableItemBackground" />
@@ -46,7 +46,7 @@
             android:visibility="gone"
             android:layout_height="match_parent"
             android:src="@drawable/ic_setting"
-            android:tint="@color/quantum_panel_text_color"
+            android:tint="?android:attr/textColorSecondary"
             android:contentDescription="@string/gadget_setup_text"
             android:padding="8dp"
             android:background="?android:attr/selectableItemBackground" />

res/layout/user_folder.xml

@@ -18,7 +18,7 @@
     xmlns:launcher="http://schemas.android.com/apk/res-auto"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:background="@drawable/quantum_panel"
+    android:background="@drawable/round_rect_primary"
     android:elevation="5dp"
     android:orientation="vertical" >
 
@@ -46,7 +46,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_weight="1"
-            android:background="#00000000"
+            android:background="@android:color/transparent"
             android:fontFamily="sans-serif-condensed"
             android:gravity="center_horizontal"
             android:hint="@string/folder_hint_text"
@@ -54,10 +54,10 @@
             android:paddingBottom="@dimen/folder_label_padding_bottom"
             android:paddingTop="@dimen/folder_label_padding_top"
             android:singleLine="true"
-            android:textColor="#ff777777"
+            android:textColor="?android:attr/textColorTertiary"
             android:includeFontPadding="false"
-            android:textColorHighlight="#ffCCCCCC"
+            android:textColorHighlight="?android:attr/colorControlHighlight"
-            android:textColorHint="#ff808080"
+            android:textColorHint="?android:attr/textColorHint"
             android:textSize="@dimen/folder_label_text_size" />
 
         <com.android.launcher3.pageindicators.PageIndicatorDots

res/layout/user_folder_icon_normalized.xml

@@ -18,7 +18,7 @@
     xmlns:launcher="http://schemas.android.com/apk/res-auto"
     android:layout_width="wrap_content"
     android:layout_height="wrap_content"
-    android:background="@drawable/quantum_panel"
+    android:background="@drawable/round_rect_primary"
     android:elevation="5dp"
     android:orientation="vertical" >
 
@@ -46,7 +46,7 @@
             android:layout_height="wrap_content"
             android:layout_gravity="center_vertical"
             android:layout_weight="1"
-            android:background="#00000000"
+            android:background="@android:color/transparent"
             android:fontFamily="sans-serif-condensed"
             android:textStyle="bold"
             android:gravity="center_horizontal"
@@ -55,9 +55,9 @@
             android:paddingBottom="@dimen/folder_label_padding_bottom"
             android:paddingTop="@dimen/folder_label_padding_top"
             android:singleLine="true"
-            android:textColor="#EE777777"
+            android:textColor="?android:attr/textColorTertiary"
-            android:textColorHighlight="#ffCCCCCC"
+            android:textColorHighlight="?android:attr/colorControlHighlight"
-            android:textColorHint="#ff808080"
+            android:textColorHint="?android:attr/textColorHint"
             android:textSize="@dimen/folder_label_text_size" />
 
         <com.android.launcher3.pageindicators.PageIndicatorDots

res/values-sw720dp/styles.xml

@@ -25,6 +25,7 @@
         <item name="android:windowShowWallpaper">true</item>
         <item name="android:windowNoTitle">true</item>
         <item name="android:windowActionModeOverlay">true</item>
+        <item name="android:colorEdgeEffect">?android:attr/textColorSecondary</item>
     </style>
 
     <!-- Workspace -->

res/values-v26/styles.xml

@@ -21,4 +21,11 @@
     <style name="WidgetContainerTheme" parent="@android:style/Theme.DeviceDefault.Settings">
         <item name="android:colorEdgeEffect">?android:attr/textColorSecondary</item>
     </style>
+
+    <!-- From O and above, we show a dark nav bar in all-apps -->
+    <style name="AllAppsNavBarProtection">
+        <item name="android:alpha">0.6</item>
+        <item name="android:background">?android:attr/colorPrimary</item>
+    </style>
+
 </resources>

res/values/colors.xml

@@ -26,21 +26,11 @@
     <color name="focused_background">#80c6c5c5</color>
 
     <color name="workspace_icon_text_color">#FFF</color>
-
     <color name="workspace_edge_effect_color">#FFFFFFFF</color>
-    <color name="folder_edge_effect_color">#FF757575</color>
-    <color name="page_indicator_dot_color">#FFDDDDDD</color>
 
-    <color name="quantum_panel_text_color">#FF666666</color>
+    <color name="default_shadow_color_no_alpha">#FF000000</color>
-    <color name="quantum_panel_bg_color">#FFF5F5F5</color>
 
     <color name="outline_color">#FFFFFFFF</color>
-    <color name="all_apps_divider_color">#1E000000</color>
-    <color name="all_apps_caret_color">#FFFFFFFF</color>
-    <color name="all_apps_caret_shadow_color">#22000000</color>
-    <color name="all_apps_container_color">#FFF2F2F2</color>
-    <color name="all_apps_navbar_color">#28000000</color>
-    <color name="all_apps_light_navbar_color">#AAF2F2F2</color>
 
     <color name="spring_loaded_panel_color">#40FFFFFF</color>
     <color name="spring_loaded_highlighted_panel_border_color">#FFF</color>

res/values/dimens.xml

@@ -120,9 +120,6 @@
 
     <dimen name="spring_loaded_panel_border">1dp</dimen>
 
-<!-- Theme -->
-    <dimen name="quantum_panel_outer_padding">4dp</dimen>
-
 <!-- Folders -->
     <!-- The size of the padding on the preview background drawable -->
     <dimen name="folder_preview_padding">6dp</dimen>

res/values/styles.xml

@@ -24,11 +24,17 @@
         <item name="android:colorBackgroundCacheHint">@null</item>
         <item name="android:windowShowWallpaper">true</item>
         <item name="android:windowNoTitle">true</item>
+        <item name="android:colorEdgeEffect">#FF757575</item>
     </style>
 
     <style name="LauncherTheme" parent="@style/BaseLauncherTheme"></style>
 
-    <style name="Theme" parent="@style/LauncherTheme"></style>
+    <!-- Theme for the widget container. Overridden on API 26. -->
+    <style name="WidgetContainerTheme" parent="@android:style/Theme.DeviceDefault.Settings">
+        <item name="android:colorEdgeEffect">?android:attr/textColorSecondaryInverse</item>
+        <item name="android:textColorPrimary">?android:attr/textColorPrimaryInverse</item>
+        <item name="android:textColorSecondary">?android:attr/textColorSecondaryInverse</item>
+    </style>
 
     <style name="FastScrollerPopup" >
         <item name="android:background">@drawable/container_fastscroll_popup_bg</item>
@@ -44,88 +50,35 @@
         <item name="android:includeFontPadding">false</item>
     </style>
 
-    <!-- Theme for the widget container. Overridden on API 25. -->
+    <!-- Style for nav bar background in all-apps screen -->
-    <style name="WidgetContainerTheme" parent="@android:style/Theme.DeviceDefault.Settings">
+    <style name="AllAppsNavBarProtection">
-        <item name="android:colorEdgeEffect">@color/workspace_edge_effect_color</item>
+        <item name="android:alpha">?android:attr/spotShadowAlpha</item>
-        <item name="android:textColorPrimary">?android:attr/textColorPrimaryInverse</item>
+        <item name="android:background">@color/default_shadow_color_no_alpha</item>
-        <item name="android:textColorSecondary">?android:attr/textColorSecondaryInverse</item>
     </style>
 
-    <!-- Overscroll effect -->
+    <!-- Base theme for BubbleTextView and sub classes -->
-    <style name="AllAppsOverscroll" parent="@android:style/Theme.DeviceDefault.Light">
+    <style name="BaseIcon">
-        <item name="android:colorEdgeEffect">@color/folder_edge_effect_color</item>
-    </style>
-
-    <!-- Different icons -->
-    <style name="Icon">
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">match_parent</item>
         <item name="android:layout_gravity">center</item>
+        <item name="android:focusable">true</item>
         <item name="android:gravity">center_horizontal</item>
         <item name="android:singleLine">true</item>
         <item name="android:ellipsize">marquee</item>
+        <item name="android:textColor">?android:attr/textColorSecondary</item>
+        <item name="android:fontFamily">sans-serif-condensed</item>
+
+        <!-- No shadows in the base theme -->
+        <item name="android:shadowRadius">0</item>
+        <item name="customShadows">false</item>
+    </style>
+
+    <!-- Icon displayed on the worksapce -->
+    <style name="BaseIcon.Workspace">
+        <item name="customShadows">true</item>
         <item name="android:textColor">@color/workspace_icon_text_color</item>
         <item name="android:shadowRadius">2.0</item>
         <item name="android:shadowColor">#B0000000</item>
-        <item name="android:fontFamily">sans-serif-condensed</item>
-    </style>
-
-    <style name="Icon.AllApps">
-        <item name="android:background">@null</item>
-        <item name="android:textColor">@color/quantum_panel_text_color</item>
-        <item name="android:drawablePadding">@dimen/dynamic_grid_icon_drawable_padding</item>
-        <item name="android:shadowRadius">0</item>
-        <item name="android:paddingLeft">4dp</item>
-        <item name="android:paddingRight">4dp</item>
-        <item name="customShadows">false</item>
-    </style>
-
-    <style name="Icon.Folder">
-        <item name="android:background">@null</item>
-        <item name="android:textColor">@color/quantum_panel_text_color</item>
-        <item name="android:shadowRadius">0</item>
-        <item name="android:gravity">center_horizontal</item>
-        <item name="android:includeFontPadding">false</item>
-        <item name="customShadows">false</item>
-        <item name="iconDisplay">folder</item>
-    </style>
-
-    <style name="Icon.DeepShortcut">
-        <item name="android:gravity">start|center_vertical</item>
-        <item name="android:textAlignment">viewStart</item>
-        <item name="android:elevation">@dimen/deep_shortcuts_elevation</item>
-        <item name="android:paddingStart">@dimen/bg_pill_height</item>
-        <item name="android:paddingEnd">@dimen/deep_shortcut_padding_end</item>
-        <item name="android:drawableEnd">@drawable/deep_shortcuts_drag_handle</item>
-        <item name="android:drawablePadding">@dimen/deep_shortcut_drawable_padding</item>
-        <item name="android:textColor">#FF212121</item>
-        <item name="android:textSize">14sp</item>
-        <item name="android:fontFamily">sans-serif</item>
-        <item name="android:shadowRadius">0</item>
-        <item name="customShadows">false</item>
-        <item name="layoutHorizontal">true</item>
-        <item name="iconDisplay">shortcut_popup</item>
-        <item name="iconSizeOverride">@dimen/deep_shortcut_icon_size</item>
-    </style>
-
-    <style name="Icon.DeepNotification">
-        <item name="android:gravity">start</item>
-        <item name="android:textAlignment">viewStart</item>
-        <item name="android:elevation">@dimen/deep_shortcuts_elevation</item>
-        <item name="android:textColor">#FF212121</item>
-        <item name="android:textSize">14sp</item>
-        <item name="android:fontFamily">sans-serif</item>
-        <item name="android:shadowRadius">0</item>
-        <item name="customShadows">false</item>
-        <item name="layoutHorizontal">true</item>
-        <item name="iconDisplay">shortcut_popup</item>
-        <item name="iconSizeOverride">@dimen/deep_shortcut_icon_size</item>
-    </style>
-
-    <style name="Icon.DeepNotification.SubText">
-        <item name="android:textColor">#FF757575</item>
-        <item name="android:textSize">12sp</item>
-        <item name="android:paddingEnd">4dp</item>
     </style>
 
     <!-- Drop targets -->
@@ -133,11 +86,11 @@
         <item name="android:drawablePadding">7.5dp</item>
         <item name="android:paddingLeft">16dp</item>
         <item name="android:paddingRight">16dp</item>
-        <item name="android:textColor">#FFFFFFFF</item>
+        <item name="android:textColor">@color/workspace_icon_text_color</item>
         <item name="android:textSize">@dimen/drop_target_text_size</item>
         <item name="android:singleLine">true</item>
         <item name="android:ellipsize">end</item>
-        <item name="android:shadowColor">#FF000000</item>
+        <item name="android:shadowColor">@color/default_shadow_color_no_alpha</item>
         <item name="android:shadowDx">0.0</item>
         <item name="android:shadowDy">1.0</item>
         <item name="android:shadowRadius">4.0</item>

src/com/android/launcher3/BaseRecyclerViewFastScrollBar.java

@@ -29,6 +29,7 @@ import android.view.ViewConfiguration;
 import android.widget.TextView;
 
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.util.Themes;
 
 /**
  * The track and scrollbar that shows when you scroll the list.
@@ -102,7 +103,7 @@ public class BaseRecyclerViewFastScrollBar {
 
         mThumbPaint = new Paint();
         mThumbPaint.setAntiAlias(true);
-        mThumbPaint.setColor(Utilities.getColorAccent(rv.getContext()));
+        mThumbPaint.setColor(Themes.getColorAccent(rv.getContext()));
         mThumbPaint.setStyle(Paint.Style.FILL);
 
         mWidth = mMinWidth = res.getDimensionPixelSize(R.dimen.container_fastscroll_thumb_min_width);

src/com/android/launcher3/BubbleTextView.java

@@ -113,7 +113,7 @@ public class BubbleTextView extends TextView
 
         TypedArray a = context.obtainStyledAttributes(attrs,
                 R.styleable.BubbleTextView, defStyle, 0);
-        mCustomShadowsEnabled = a.getBoolean(R.styleable.BubbleTextView_customShadows, true);
+        mCustomShadowsEnabled = a.getBoolean(R.styleable.BubbleTextView_customShadows, false);
         mLayoutHorizontal = a.getBoolean(R.styleable.BubbleTextView_layoutHorizontal, false);
         mDeferShadowGenerationOnTouch =
                 a.getBoolean(R.styleable.BubbleTextView_deferShadowGeneration, false);
@@ -395,7 +395,7 @@ public class BubbleTextView extends TextView
         }
 
         // If text is transparent, don't draw any shadow
-        if (getCurrentTextColor() == getResources().getColor(android.R.color.transparent)) {
+        if ((getCurrentTextColor() >> 24) == 0) {
             getPaint().clearShadowLayer();
             super.draw(canvas);
             return;

src/com/android/launcher3/Hotseat.java

@@ -25,7 +25,6 @@ import android.graphics.Color;
 import android.graphics.Rect;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.support.v4.content.ContextCompat;
 import android.support.v4.graphics.ColorUtils;
 import android.util.AttributeSet;
 import android.view.LayoutInflater;
@@ -40,6 +39,7 @@ import com.android.launcher3.dynamicui.ExtractedColors;
 import com.android.launcher3.logging.UserEventDispatcher;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
+import com.android.launcher3.util.Themes;
 
 public class Hotseat extends FrameLayout
         implements UserEventDispatcher.LogContainerProvider {
@@ -70,7 +70,7 @@ public class Hotseat extends FrameLayout
         mLauncher = Launcher.getLauncher(context);
         mHasVerticalHotseat = mLauncher.getDeviceProfile().isVerticalBarLayout();
         mBackgroundColor = ColorUtils.setAlphaComponent(
-                ContextCompat.getColor(context, R.color.all_apps_container_color), 0);
+                Themes.getAttrColor(context, android.R.attr.colorPrimary), 0);
         mBackground = new ColorDrawable(mBackgroundColor);
         setBackground(mBackground);
     }

src/com/android/launcher3/IconCache.java

@@ -27,7 +27,6 @@ import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Resources;
-import android.content.res.TypedArray;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteException;
@@ -45,7 +44,6 @@ import android.os.UserHandle;
 import android.support.annotation.NonNull;
 import android.text.TextUtils;
 import android.util.Log;
-import android.view.ContextThemeWrapper;
 
 import com.android.launcher3.compat.LauncherAppsCompat;
 import com.android.launcher3.compat.UserManagerCompat;
@@ -56,6 +54,7 @@ import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.Preconditions;
 import com.android.launcher3.util.Provider;
 import com.android.launcher3.util.SQLiteCacheHelper;
+import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.Thunk;
 
 import java.util.Collections;
@@ -132,10 +131,9 @@ public class IconCache {
                 IconProvider.class, context, R.string.icon_provider_class);
         mWorkerHandler = new Handler(LauncherModel.getWorkerLooper());
 
-        mActivityBgColor = context.getResources().getColor(R.color.quantum_panel_bg_color);
+        mActivityBgColor = Themes.getColorPrimary(context, R.style.LauncherTheme);
-        mPackageBgColor = Utilities.getAttrColor(
+        mPackageBgColor = Themes.getColorPrimary(context, R.style.WidgetContainerTheme);
-                new ContextThemeWrapper(context, R.style.WidgetContainerTheme),
+
-                android.R.attr.colorPrimary);
         mLowResOptions = new BitmapFactory.Options();
         // Always prefer RGB_565 config for low res. If the bitmap has transparency, it will
         // automatically be loaded as ALPHA_8888.

src/com/android/launcher3/InfoDropTarget.java

@@ -25,6 +25,7 @@ import android.util.Log;
 import android.widget.Toast;
 
 import com.android.launcher3.compat.LauncherAppsCompat;
+import com.android.launcher3.util.Themes;
 
 public class InfoDropTarget extends UninstallDropTarget {
 
@@ -42,7 +43,7 @@ public class InfoDropTarget extends UninstallDropTarget {
     protected void onFinishInflate() {
         super.onFinishInflate();
         // Get the hover color
-        mHoverColor = Utilities.getColorAccent(getContext());
+        mHoverColor = Themes.getColorAccent(getContext());
 
         setDrawable(R.drawable.ic_info_launcher);
     }

src/com/android/launcher3/PendingAppWidgetHostView.java

@@ -35,6 +35,7 @@ import android.view.View.OnClickListener;
 import com.android.launcher3.IconCache.ItemInfoUpdateReceiver;
 import com.android.launcher3.graphics.DrawableFactory;
 import com.android.launcher3.model.PackageItemInfo;
+import com.android.launcher3.util.Themes;
 
 public class PendingAppWidgetHostView extends LauncherAppWidgetHostView
         implements OnClickListener, ItemInfoUpdateReceiver {
@@ -69,7 +70,7 @@ public class PendingAppWidgetHostView extends LauncherAppWidgetHostView
         mDisabledForSafeMode = disabledForSafeMode;
 
         mPaint = new TextPaint();
-        mPaint.setColor(Utilities.getAttrColor(getContext(), android.R.attr.textColorPrimary));
+        mPaint.setColor(Themes.getAttrColor(getContext(), android.R.attr.textColorPrimary));
         mPaint.setTextSize(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_PX,
                 mLauncher.getDeviceProfile().iconTextSizePx, getResources().getDisplayMetrics()));
         setBackgroundResource(R.drawable.round_rect_primary);

src/com/android/launcher3/Utilities.java

@@ -27,7 +27,6 @@ import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
 import android.content.res.Resources;
-import android.content.res.TypedArray;
 import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.Matrix;
@@ -608,17 +607,6 @@ public final class Utilities {
         return c == null || c.isEmpty();
     }
 
-    public static int getColorAccent(Context context) {
-        return getAttrColor(context, android.R.attr.colorAccent);
-    }
-
-    public static int getAttrColor(Context context, int attr) {
-        TypedArray ta = context.obtainStyledAttributes(new int[]{attr});
-        int colorAccent = ta.getColor(0, 0);
-        ta.recycle();
-        return colorAccent;
-    }
-
     public static void sendCustomAccessibilityEvent(View target, int type, String text) {
         AccessibilityManager accessibilityManager = (AccessibilityManager)
                 target.getContext().getSystemService(Context.ACCESSIBILITY_SERVICE);

src/com/android/launcher3/allapps/AllAppsContainerView.java

@@ -464,10 +464,6 @@ public class AllAppsContainerView extends BaseContainerView implements DragSourc
             setLayoutParams(mlp);
         } else {
             View navBarBg = findViewById(R.id.nav_bar_bg);
-            if (Utilities.isAtLeastO()) {
-                navBarBg.setBackgroundColor(getResources().getColor(
-                        R.color.all_apps_light_navbar_color));
-            }
             ViewGroup.LayoutParams navBarBgLp = navBarBg.getLayoutParams();
             navBarBgLp.height = insets.bottom;
             navBarBg.setLayoutParams(navBarBgLp);

src/com/android/launcher3/allapps/AllAppsTransitionController.java

@@ -7,7 +7,6 @@ import android.animation.AnimatorSet;
 import android.animation.ArgbEvaluator;
 import android.animation.ObjectAnimator;
 import android.graphics.Color;
-import android.support.v4.content.ContextCompat;
 import android.support.v4.graphics.ColorUtils;
 import android.support.v4.view.animation.FastOutSlowInInterpolator;
 import android.util.Log;
@@ -26,6 +25,7 @@ import com.android.launcher3.Utilities;
 import com.android.launcher3.Workspace;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Action;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
+import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.TouchController;
 
 /**
@@ -102,7 +102,7 @@ public class AllAppsTransitionController implements TouchController, VerticalPul
         mProgress = 1f;
 
         mEvaluator = new ArgbEvaluator();
-        mAllAppsBackgroundColor = ContextCompat.getColor(l, R.color.all_apps_container_color);
+        mAllAppsBackgroundColor = Themes.getAttrColor(l, android.R.attr.colorPrimary);
     }
 
     @Override

src/com/android/launcher3/folder/FolderPagedView.java

@@ -45,6 +45,7 @@ import com.android.launcher3.Workspace.ItemOperator;
 import com.android.launcher3.dragndrop.DragController;
 import com.android.launcher3.keyboard.ViewGroupFocusHelper;
 import com.android.launcher3.pageindicators.PageIndicator;
+import com.android.launcher3.util.Themes;
 import com.android.launcher3.util.Thunk;
 
 import java.util.ArrayList;
@@ -107,7 +108,7 @@ public class FolderPagedView extends PagedView {
         mIsRtl = Utilities.isRtl(getResources());
         setImportantForAccessibility(IMPORTANT_FOR_ACCESSIBILITY_YES);
 
-        setEdgeGlowColor(getResources().getColor(R.color.folder_edge_effect_color));
+        setEdgeGlowColor(Themes.getAttrColor(context, android.R.attr.colorEdgeEffect));
         mFocusIndicatorHelper = new ViewGroupFocusHelper(this);
     }
 

src/com/android/launcher3/graphics/DrawableFactory.java

@@ -77,7 +77,7 @@ public class DrawableFactory {
         if (mPreloadProgressPath == null) {
             mPreloadProgressPath = getPreloadProgressPath(context);
         }
-        return new PreloadIconDrawable(icon, mPreloadProgressPath);
+        return new PreloadIconDrawable(icon, mPreloadProgressPath, context);
     }
 
 

src/com/android/launcher3/graphics/IconPalette.java

@@ -23,6 +23,8 @@ import android.support.v4.graphics.ColorUtils;
 import android.util.Log;
 
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.util.Themes;
 
 /**
  * Contains colors based on the dominant color of an icon.
@@ -36,7 +38,6 @@ public class IconPalette {
 
     private static final float MIN_PRELOAD_COLOR_SATURATION = 0.2f;
     private static final float MIN_PRELOAD_COLOR_LIGHTNESS = 0.6f;
-    private static final int DEFAULT_PRELOAD_COLOR = 0xFF009688;
 
     public final int dominantColor;
     public final int backgroundColor;
@@ -53,14 +54,14 @@ public class IconPalette {
     /**
      * Returns a color suitable for the progress bar color of preload icon.
      */
-    public int getPreloadProgressColor() {
+    public int getPreloadProgressColor(Context context) {
         int result = dominantColor;
 
         // Make sure that the dominant color has enough saturation to be visible properly.
         float[] hsv = new float[3];
         Color.colorToHSV(result, hsv);
         if (hsv[1] < MIN_PRELOAD_COLOR_SATURATION) {
-            result = DEFAULT_PRELOAD_COLOR;
+            result = Themes.getColorAccent(context);
         } else {
             hsv[2] = Math.max(MIN_PRELOAD_COLOR_LIGHTNESS, hsv[2]);
             result = Color.HSVToColor(hsv);

src/com/android/launcher3/graphics/PreloadIconDrawable.java

@@ -20,6 +20,7 @@ package com.android.launcher3.graphics;
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
+import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
@@ -75,6 +76,8 @@ public class PreloadIconDrawable extends FastBitmapDrawable {
     private final Matrix mTmpMatrix = new Matrix();
     private final PathMeasure mPathMeasure = new PathMeasure();
 
+    private final Context mContext;
+
     // Path in [0, 100] bounds.
     private final Path mProgressPath;
 
@@ -100,8 +103,9 @@ public class PreloadIconDrawable extends FastBitmapDrawable {
     /**
      * @param progressPath fixed path in the bounds [0, 0, 100, 100] representing a progress bar.
      */
-    public PreloadIconDrawable(Bitmap b, Path progressPath) {
+    public PreloadIconDrawable(Bitmap b, Path progressPath, Context context) {
         super(b);
+        mContext = context;
         mProgressPath = progressPath;
         mScaledTrackPath = new Path();
         mScaledProgressPath = new Path();
@@ -262,7 +266,7 @@ public class PreloadIconDrawable extends FastBitmapDrawable {
             setIsDisabled(true);
         } else if (mIndicatorColor == 0) {
             // Update the indicator color
-            mIndicatorColor = getIconPalette().getPreloadProgressColor();
+            mIndicatorColor = getIconPalette().getPreloadProgressColor(mContext);
         }
 
         if (progress < 1 && progress > 0) {

src/com/android/launcher3/pageindicators/CaretDrawable.java

@@ -24,6 +24,7 @@ import android.graphics.Path;
 import android.graphics.PixelFormat;
 
 import com.android.launcher3.R;
+import com.android.launcher3.util.Themes;
 
 import android.graphics.drawable.Drawable;
 
@@ -45,14 +46,15 @@ public class CaretDrawable extends Drawable {
         final int strokeWidth = res.getDimensionPixelSize(R.dimen.all_apps_caret_stroke_width);
         final int shadowSpread = res.getDimensionPixelSize(R.dimen.all_apps_caret_shadow_spread);
 
-        mCaretPaint.setColor(res.getColor(R.color.all_apps_caret_color));
+        mCaretPaint.setColor(res.getColor(R.color.workspace_icon_text_color));
         mCaretPaint.setAntiAlias(true);
         mCaretPaint.setStrokeWidth(strokeWidth);
         mCaretPaint.setStyle(Paint.Style.STROKE);
         mCaretPaint.setStrokeCap(Paint.Cap.SQUARE);
         mCaretPaint.setStrokeJoin(Paint.Join.MITER);
 
-        mShadowPaint.setColor(res.getColor(R.color.all_apps_caret_shadow_color));
+        mShadowPaint.setColor(res.getColor(R.color.default_shadow_color_no_alpha));
+        mShadowPaint.setAlpha(Themes.getAlpha(context, android.R.attr.spotShadowAlpha));
         mShadowPaint.setAntiAlias(true);
         mShadowPaint.setStrokeWidth(strokeWidth + (shadowSpread * 2));
         mShadowPaint.setStyle(Paint.Style.STROKE);

src/com/android/launcher3/pageindicators/PageIndicatorDots.java

@@ -37,6 +37,7 @@ import android.view.animation.OvershootInterpolator;
 
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
+import com.android.launcher3.util.Themes;
 
 /**
  * {@link PageIndicator} which shows dots per page. The active page is shown with the current
@@ -111,8 +112,8 @@ public class PageIndicatorDots extends PageIndicator {
         mDotRadius = getResources().getDimension(R.dimen.page_indicator_dot_size) / 2;
         setOutlineProvider(new MyOutlineProver());
 
-        mActiveColor = Utilities.getColorAccent(context);
+        mActiveColor = Themes.getColorAccent(context);
-        mInActiveColor = getResources().getColor(R.color.page_indicator_dot_color);
+        mInActiveColor = Themes.getAttrColor(context, android.R.attr.colorControlHighlight);
 
         mIsRtl = Utilities.isRtl(getResources());
     }

src/com/android/launcher3/util/Themes.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2017 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.
+ */
+
+package com.android.launcher3.util;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.view.ContextThemeWrapper;
+
+/**
+ * Various utility methods associated with theming.
+ */
+public class Themes {
+
+    public static int getColorAccent(Context context) {
+        return getAttrColor(context, android.R.attr.colorAccent);
+    }
+
+    public static int getColorPrimary(Context context, int theme) {
+        return getAttrColor(new ContextThemeWrapper(context, theme), android.R.attr.colorPrimary);
+    }
+
+    public static int getAttrColor(Context context, int attr) {
+        TypedArray ta = context.obtainStyledAttributes(new int[]{attr});
+        int colorAccent = ta.getColor(0, 0);
+        ta.recycle();
+        return colorAccent;
+    }
+
+    /**
+     * Returns the alpha corresponding to the theme attribute {@param attr}, in the range [0, 255].
+     */
+    public static int getAlpha(Context context, int attr) {
+        TypedArray ta = context.obtainStyledAttributes(new int[]{attr});
+        float alpha = ta.getFloat(0, 0);
+        ta.recycle();
+        return (int) (255 * alpha + 0.5f);
+    }
+}