Show use of include tag in percent layouts.

Change-Id: I041cacb09232274267a319ab17a338980aab6cfb
diff --git a/samples/SupportPercentDemos/res/layout/demo_3.xml b/samples/SupportPercentDemos/res/layout/demo_3.xml
new file mode 100644
index 0000000..1024446
--- /dev/null
+++ b/samples/SupportPercentDemos/res/layout/demo_3.xml
@@ -0,0 +1,23 @@
+<?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.
+-->
+<android.support.percent.PercentFrameLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        >
+    <include layout="@layout/demo_include" />
+</android.support.percent.PercentFrameLayout>
diff --git a/samples/SupportPercentDemos/res/layout/demo_include.xml b/samples/SupportPercentDemos/res/layout/demo_include.xml
new file mode 100644
index 0000000..5ad98df
--- /dev/null
+++ b/samples/SupportPercentDemos/res/layout/demo_include.xml
@@ -0,0 +1,36 @@
+<?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.
+-->
+<merge
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    >
+    <View
+        app:layout_widthPercent="60%"
+        app:layout_heightPercent="60%"
+        app:layout_marginTopPercent="20%"
+        app:layout_marginLeftPercent="20%"
+        android:background="#FF0000"
+        />
+    <View
+        android:layout_gravity="bottom|right"
+        app:layout_widthPercent="20%"
+        app:layout_heightPercent="20%"
+        app:layout_marginRightPercent="40%"
+        app:layout_marginBottomPercent="40%"
+        android:background="#0000FF"
+        />
+</merge>
diff --git a/samples/SupportPercentDemos/src/com/example/android/support/percent/SupportPercentDemos.java b/samples/SupportPercentDemos/src/com/example/android/support/percent/SupportPercentDemos.java
index 0290eb3..db92f84 100644
--- a/samples/SupportPercentDemos/src/com/example/android/support/percent/SupportPercentDemos.java
+++ b/samples/SupportPercentDemos/src/com/example/android/support/percent/SupportPercentDemos.java
@@ -44,6 +44,7 @@
             super(fm);
         }
 
+
         @Override
         public Fragment getItem(int position) {
             PercentFragment fragment = new PercentFragment();
@@ -54,6 +55,10 @@
                     break;
                 case 1:
                     args.putInt(LAYOUT_RESOURCE_ID, R.layout.demo_2);
+                    break;
+                case 2:
+                    args.putInt(LAYOUT_RESOURCE_ID, R.layout.demo_3);
+                    break;
                 default:
                     break;
             }
@@ -63,7 +68,7 @@
 
         @Override
         public int getCount() {
-            return 2;
+            return 3;
         }
     }