Adds AdvancedImmersiveMode sample.

Change-Id: I4901d767f1b3d95750e47e910d3ae46a76a36ba1

AdvancedImmersiveMode/.google/packaging.yaml

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+
+# GOOGLE SAMPLE PACKAGING DATA
+#
+# This file is used by Google as part of our samples packaging process.
+# End users may safely ignore this file. It has no relevance to other systems.
+---
+status:       PUBLISHED
+technologies: [Android]
+categories:   [Window]
+languages:    [Java]
+solutions:    [Mobile]
+github:       android/user-interface
+level:        INTERMEDIATE
+icon:         screenshots/icon-web.png
+apiRefs:
+    - android:android.view.Window
+license: apache2

AdvancedImmersiveMode/Application/build.gradle

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+
+buildscript {
+    repositories {
+        google()
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.4.2'
+    }
+}
+
+apply plugin: 'com.android.application'
+
+repositories {
+    google()
+    jcenter()
+}
+
+dependencies {
+
+
+        implementation "com.android.support:support-v4:28.0.0"
+        implementation "com.android.support:support-v13:28.0.0"
+        implementation "com.android.support:cardview-v7:28.0.0"
+        implementation "com.android.support:appcompat-v7:28.0.0"
+
+
+
+
+
+
+}
+
+// The sample build uses multiple directories to
+// keep boilerplate and common code separate from
+// the main sample code.
+List<String> dirs = [
+    'main',     // main sample code; look here for the interesting stuff.
+    'common',   // components that are reused by multiple samples
+    'template'] // boilerplate code that is generated by the sample template process
+
+android {
+    compileSdkVersion 28
+
+    defaultConfig {
+        minSdkVersion 19
+        targetSdkVersion 28
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_7
+        targetCompatibility JavaVersion.VERSION_1_7
+    }
+
+    sourceSets {
+        main {
+            dirs.each { dir ->
+                java.srcDirs "src/${dir}/java"
+                res.srcDirs "src/${dir}/res"
+            }
+        }
+        androidTest.setRoot('tests')
+        androidTest.java.srcDirs = ['tests/src']
+
+    }
+
+}

AdvancedImmersiveMode/Application/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Copyright 2013 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.
+-->
+
+<!-- the versionCode is an integer representation of this version of your application.  New
+     versions get higher numbers, so the upgrade system can avoid dealing with the ambiguity
+     of "1.9" vs "1.10".  versionName, on the other hand, can be whatever you want, as the code
+     that handles upgrading Android apps between versions on your device just ignores it.-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.android.advancedimmersivemode"
+    android:versionCode="1"
+    android:versionName="1.0">
+
+    <!-- This sample is to demonstrate features released in API 19.
+         So while it would technically run on an earlier version of Android,
+         there wouldn't be much point) -->
+    <!-- Min/target SDK versions (<uses-sdk>) managed by build.gradle -->
+    <!-- allowBackup declares if the app can be part of device-wide backups such as "adb backup" -->
+    <!-- theme is a way of applying UI decisions across your entire application.  You can also
+         define it on a per-application basis. -->
+    <application
+        android:allowBackup="true"
+        android:label="@string/app_name"
+        android:icon="@drawable/ic_launcher">
+
+        <!-- Every activity needs its own Manifest element.  The intent-filter contained in the
+             element declares the intents that can be used to activate this Activity.  For instance,
+             the one below flags this Activity as a "main" entry point of this app, and suitable
+             for creating a shortcut to in the Launcher.  If you wanted your app to have 5
+             different Activities available in the launcher, you could just make 5 activities
+             with that intent filter.  Please don't do that.  Just because it's a good example
+             doesn't mean it's a good idea. -->
+        <activity android:name=".MainActivity"
+                  android:label="@string/app_name"
+                  android:uiOptions="splitActionBarWhenNarrow">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>