color, package and action bar configuration.

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

Index: demos/src/main/res/layout/dialogue_add_actionbar_item.xml
diff --git a/demos/src/main/res/layout/dialogue_add_actionbar_item.xml b/demos/src/main/res/layout/dialogue_add_actionbar_item.xml
new file mode 100644
index 0000000000000000000000000000000000000000..6d4405e6280fe909ab94edb0ceb8425c3d8b1a3c
--- /dev/null
+++ b/demos/src/main/res/layout/dialogue_add_actionbar_item.xml
@@ -0,0 +1,99 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingLeft="@dimen/activity_horizontal_margin"

[Ian Wen, 2016/02/09 00:14:16]

IIRC you can just use android:padding, instead of four duplicate lines.

[BigBossZhiling, 2016/02/09 01:03:12]

Done.

+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:orientation="vertical"
+    tools:context=".AddActionBarItemDialog">
+
+    <EditText
+        android:id="@+id/description"
+        android:hint="Description for the action."
+        android:layout_width="match_parent"
+        android:textSize="@dimen/abc_text_size_medium_material"
+        android:text="Great Feature"
+        android:layout_height="wrap_content"
+        android:inputType="text" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:paddingTop="@dimen/view_vertical_margin"
+        android:layout_height="@dimen/view_height"
+        android:orientation="horizontal">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:paddingLeft="5sp"
+            android:textSize="@dimen/abc_text_size_medium_material"
+            android:text="Action:"/>
+
+        <Spinner
+            android:paddingLeft="@dimen/spinner_padding_left"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/intent" />
+    </LinearLayout>
+
+    <ImageView
+        android:id="@+id/imageInDialogue"
+        android:layout_gravity="center"
+        android:layout_width="100sp"
+        android:layout_height="100sp"
+        android:src="@drawable/ic_action_name"
+        />
+
+    <LinearLayout

[Ian Wen, 2016/02/09 00:14:16]

What is the point of nesting a single button in a linear layout?

+        android:layout_width="match_parent"
+        android:paddingTop="@dimen/view_vertical_margin"
+        android:gravity="center"
+        android:layout_height="@dimen/view_height">
+
+        <Button
+            android:id="@+id/select_file"
+            android:layout_gravity="center_horizontal"
+            android:paddingTop="@dimen/button_padding_top"
+            android:layout_width="@dimen/button_width"
+            android:layout_height="@dimen/button_height"
+            android:textSize="@dimen/abc_text_size_medium_material"
+            android:text="Select Action Image" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:paddingTop="@dimen/view_vertical_margin"
+        android:gravity="center"
+        android:layout_height="@dimen/view_height">
+
+        <Button
+            android:id="@+id/save_item"
+            android:layout_gravity="center_horizontal"
+            android:paddingTop="@dimen/button_padding_top"
+            android:layout_width="@dimen/button_width"
+            android:layout_height="@dimen/button_height"
+            android:textSize="@dimen/abc_text_size_medium_material"
+            android:text="@string/label_save" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:paddingTop="@dimen/view_vertical_margin"
+        android:gravity="center"
+        android:layout_height="@dimen/view_height">
+
+        <Button
+            android:id="@+id/cancel"
+            android:layout_gravity="center_horizontal"
+            android:paddingTop="@dimen/button_padding_top"
+            android:layout_width="@dimen/button_width"
+            android:layout_height="@dimen/button_height"
+            android:textSize="@dimen/abc_text_size_medium_material"
+            android:text="cancel" />
+    </LinearLayout>
+
+
+</LinearLayout>