Fix lint warnings.

Change-Id: I65130d48588f363d17376d9b68631d47a529dd09
diff --git a/ui/window/AdvancedImmersiveMode/Application/build.gradle b/ui/window/AdvancedImmersiveMode/Application/build.gradle
index 28e75d6..59e868e 100644
--- a/ui/window/AdvancedImmersiveMode/Application/build.gradle
+++ b/ui/window/AdvancedImmersiveMode/Application/build.gradle
@@ -5,7 +5,7 @@
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.2.1'
     }
 }
 
diff --git a/ui/window/AdvancedImmersiveMode/Application/src/main/res/layout/fragment_flags.xml b/ui/window/AdvancedImmersiveMode/Application/src/main/res/layout/fragment_flags.xml
index 2c74e83..c59b3b3 100644
--- a/ui/window/AdvancedImmersiveMode/Application/src/main/res/layout/fragment_flags.xml
+++ b/ui/window/AdvancedImmersiveMode/Application/src/main/res/layout/fragment_flags.xml
@@ -1,43 +1,44 @@
 <?xml version="1.0" encoding="utf-8"?>
 
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical" android:layout_width="match_parent"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
     android:layout_height="wrap_content">
 
     <CheckBox
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:id="@+id/flag_enable_lowprof"
-        android:text="Enable Low Profile Mode" />
+        android:text="@string/enable_low_profile_mode" />
 
     <CheckBox
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:id="@+id/flag_hide_navbar"
-        android:text="Hide Navigation bar" />
+        android:text="@string/hide_navigation_bar" />
 
     <CheckBox
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:id="@+id/flag_hide_statbar"
-        android:text="Hide Status Bar" />
+        android:text="@string/hide_status_bar" />
 
     <CheckBox
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:id="@+id/flag_enable_immersive"
-        android:text="Enable Immersive Mode" />
+        android:text="@string/enable_immersive_mode" />
 
     <CheckBox
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:id="@+id/flag_enable_immersive_sticky"
-        android:text="Enable Immersive Mode (Sticky)" />
+        android:text="@string/enable_immersive_mode_sticky" />
 
     <Button
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Do things!"
+        android:text="@string/do_things"
         android:id="@+id/btn_changeFlags" />
 
 
@@ -45,25 +46,24 @@
         android:layout_marginTop="@dimen/margin_large"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Common flag presets"/>
-    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-        android:orientation="horizontal" android:layout_width="match_parent"
+        android:text="@string/common_flag_presets" />
+
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
         android:layout_height="wrap_content">
 
         <Button
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Immersive Mode"
+            android:text="@string/immersive_mode"
             android:id="@+id/btn_immersive" />
 
         <Button
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="Leanback Mode"
+            android:text="@string/leanback_mode"
             android:id="@+id/btn_leanback" />
 
     </LinearLayout>
-
-
-
 </LinearLayout>
\ No newline at end of file
diff --git a/ui/window/AdvancedImmersiveMode/Application/src/main/res/values/strings.xml b/ui/window/AdvancedImmersiveMode/Application/src/main/res/values/strings.xml
new file mode 100644
index 0000000..6cfd28c
--- /dev/null
+++ b/ui/window/AdvancedImmersiveMode/Application/src/main/res/values/strings.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?><!--
+ Copyright 2016 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.
+-->
+
+<resources>
+    <string name="enable_low_profile_mode">Enable Low Profile Mode</string>
+    <string name="hide_navigation_bar">Hide Navigation bar</string>
+    <string name="hide_status_bar">Hide Status Bar</string>
+    <string name="enable_immersive_mode">Enable Immersive Mode</string>
+    <string name="enable_immersive_mode_sticky">Enable Immersive Mode (Sticky)</string>
+    <string name="do_things">Do things!</string>
+    <string name="common_flag_presets">Common flag presets</string>
+    <string name="immersive_mode">Immersive Mode</string>
+    <string name="leanback_mode">Leanback Mode</string>
+</resources>
\ No newline at end of file