color, package and action bar configuration.

demos/src/main/AndroidManifest.xml

Index: demos/src/main/AndroidManifest.xml
diff --git a/demos/src/main/AndroidManifest.xml b/demos/src/main/AndroidManifest.xml
index ff8829bbd2c98192e087643e5a3648a48b54781a..aac0eb05a2451bc2bcc7a4239440c096016050d0 100644
--- a/demos/src/main/AndroidManifest.xml
+++ b/demos/src/main/AndroidManifest.xml
@@ -17,6 +17,9 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.chromium.customtabsdemos" >
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.MANAGE_DOCUMENTS" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
@@ -64,6 +67,14 @@
                 android:value=".DemoListActivity" />
         </activity>
         <activity
+            android:name=".AdvancedUISettingActivity"
+            android:label="Advanced UI Setting"
+            android:parentActivityName=".CustomUIActivity">
+            <meta-data
+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".CustomUIActivity" />
+        </activity>
+        <activity
             android:name=".ServiceConnectionActivity"
             android:label="@string/title_activity_service_connection"
             android:parentActivityName=".DemoListActivity" >
@@ -71,6 +82,13 @@
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value=".DemoListActivity" />
         </activity>
+        <activity
+            android:name=".CameraActivity"
+            android:label="CameraActivity">
+            <meta-data

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

Q: what does meta-data do?

+                android:name="android.support.PARENT_ACTIVITY"
+                android:value=".DemoListActivity" />
+        </activity>
         <receiver android:name=".ShareBroadcastReceiver" />
     </application>