Add an icon to the Flutter Material Gallery

@abarth @hixie

examples/material_gallery/README.md

+# Flutter Material Gallery
+
+Demo app for the Material Design widgets implemented in Flutter.
+
+## Icon
+
+Icon was generated using Android Asset Studio:
+https://romannurik.github.io/AndroidAssetStudio/icons-launcher.html#foreground.type=image&foreground.space.trim=0&foreground.space.pad=0.1&foreColor=607d8b%2C0&crop=0&backgroundShape=square&backColor=ffffff%2C100&effects=none
+
+From the Flutter Logo:
+https://github.com/flutter/flutter.github.io/blob/master/_includes/logo.html
+which appears to be CC-BY 4.0.

examples/material_gallery/apk/AndroidManifest.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2015 The Chromium Authors. All rights reserved.
+     Use of this source code is governed by a BSD-style license that can be
+     found in the LICENSE file.
+ -->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="io.flutter.MaterialGallery" android:versionCode="1" android:versionName="0.0.1">
+
+    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="21" />
+
+    <application android:icon="@mipmap/ic_launcher" android:label="Flutter Material" android:name="org.domokit.sky.shell.SkyApplication">
+        <activity android:configChanges="orientation|keyboardHidden|keyboard|screenSize" android:hardwareAccelerated="true" android:launchMode="singleTask" android:name="org.domokit.sky.shell.SkyActivity" android:theme="@android:style/Theme.Black.NoTitleBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <service
+            android:name="org.domokit.sky.shell.UpdateService"
+            android:exported="false"
+            android:process=":remote"/>
+    </application>
+ </manifest>

examples/material_gallery/flutter.yaml

 name: material_gallery
+assets:
+  - assets/flutter_logo.png
 material-design-icons:
   - name: navigation/arrow_drop_down
   - name: navigation/cancel

examples/material_gallery/lib/gallery_page.dart

@@ -19,7 +19,7 @@ class GalleryPage extends StatefulComponent {
 class _GalleryPageState extends State<GalleryPage> {
   Widget _buildDrawer() {
     List<Widget> items = <Widget>[
-      new DrawerHeader(child: new Text('Material demos')),
+      new DrawerHeader(child: new Text('Flutter Material demos')),
     ];
 
     for (WidgetDemo demo in config.demos) {
@@ -31,6 +31,20 @@ class _GalleryPageState extends State<GalleryPage> {
       ));
     }
 
+    // TODO(eseidel): We should make this into a shared DrawerFooter.
+    items.add(new DrawerDivider());
+    items.add(new DrawerItem(child: new Flex([
+      new Text("Made with Flutter "),
+      new Container(
+        margin: const EdgeDims.symmetric(horizontal: 5.0),
+        child: new AssetImage(
+            name: 'assets/flutter_logo.png',
+            height: 16.0,
+            fit: ImageFit.contain
+        )
+      )
+    ])));
+
     return new Drawer(child: new Block(items));
   }
 
@@ -57,7 +71,7 @@ class _GalleryPageState extends State<GalleryPage> {
   Widget build(BuildContext context) {
     return new Scaffold(
       toolBar: new ToolBar(
-        center: new Text(config.active?.title ?? 'Material gallery'),
+        center: new Text(config.active?.title ?? 'Flutter Material gallery'),
         tabBar: _buildTabBar()
       ),
       drawer: _buildDrawer(),