color, package and action bar configuration.

demos/src/main/res/layout/display_action_bar_item_setting.xml

Index: demos/src/main/res/layout/display_action_bar_item_setting.xml
diff --git a/demos/src/main/res/layout/display_action_bar_item_setting.xml b/demos/src/main/res/layout/display_action_bar_item_setting.xml
new file mode 100644
index 0000000000000000000000000000000000000000..1afec5dc803304193b48af2d1abb84c1a1f2e577
--- /dev/null
+++ b/demos/src/main/res/layout/display_action_bar_item_setting.xml
@@ -0,0 +1,80 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2015 Google Inc. All Rights Reserved.
+
+     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.
+-->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"

[Ian Wen, 2016/03/21 18:46:28]

A general guideline for all of the xml layout files:
1. android:id should be the first element.
2. android:layout_* should be the second element and they should group together.
3. tools:* and other namespaces should be placed below android namespace.

+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:id="@+id/actiona_bar_item"
+    tools:context=".advanced_ui_setting">
+
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:orientation="horizontal"
+        android:layout_height="@dimen/view_height">
+        <TextView
+            android:layout_width="wrap_content"
+            android:text='Description '
+            android:textSize="@dimen/abc_text_size_medium_material"
+            android:layout_height="@dimen/view_height" />
+        <EditText
+            android:id="@+id/item_description"
+            android:hint="Description for the action."
+            android:layout_width="wrap_content"
+            android:textSize="@dimen/abc_text_size_medium_material"
+            android:layout_height="wrap_content"
+            android:inputType="text" />
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:gravity="right">
+            <Button
+                android:id="@+id/select_file"
+                android:layout_width="30dp"
+                android:layout_height="45dp"
+                android:background="@android:drawable/ic_menu_search" />
+
+            <Button
+                android:id="@+id/item_delete"
+                android:layout_width="30dp"
+                android:layout_height="45dp"
+                android:background="@android:drawable/ic_menu_delete" />
+        </LinearLayout>
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="fill_parent"
+        android:orientation="horizontal"
+        android:layout_height="@dimen/view_height">
+        <TextView
+            android:layout_width="wrap_content"
+            android:text="Intent "
+            android:textSize="@dimen/abc_text_size_medium_material"
+            android:layout_height="@dimen/view_height" />
+        <Spinner
+            android:paddingLeft="@dimen/spinner_padding_left"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/item_intent" />
+    </LinearLayout>
+
+    <ImageView
+        android:paddingTop="@dimen/view_vertical_margin"
+        android:id="@+id/item_image"
+        android:layout_gravity="center"
+        android:layout_width="100dp"
+        android:layout_height="100dp" />
+</LinearLayout>