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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Building Realtime Apps with Firebase</title>
<meta name="description" content="Intro to Firebase">
<meta name="author" content="GDG Bogotá">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
<link rel="stylesheet" href="css/reveal.min.css">
<link rel="stylesheet" href="css/theme/firebase.css" id="theme">
<!-- For syntax highlighting -->
<link rel="stylesheet" href="lib/css/zenburn.css">
<!-- If the query includes 'print-pdf', include the PDF print sheet -->
<script>
if( window.location.search.match( /print-pdf/gi ) ) {
var link = document.createElement( 'link' );
link.rel = 'stylesheet';
link.type = 'text/css';
link.href = 'css/print/pdf.css';
document.getElementsByTagName( 'head' )[0].appendChild( link );
}
</script>
<script src="bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<link rel="import" href="/code-box/code-box.html">
<link rel="import" href="/code-box/code-example.html">
<script src="https://cdn.firebase.com/js/client/2.2.4/firebase.js"></script>
<script>
window.addEventListener('load', installCounter);
function installCounter() {
var devsRef = new Firebase("https://firebase-website.firebaseio.com/stats/signups");
var counterSpan = document.getElementById('current-devs');
devsRef.on("value", function (snap) {
// Use thousand separator in counter.
counterSpan.textContent = snap.val().toLocaleString();
});
}
</script>
<!--[if lt IE 9]>
<script src="lib/js/html5shiv.js"></script>
<![endif]-->
</head>
<body>
<div class="reveal">
<small id="era">
</small>
<div class="slides">
<!--
Intro
-->
<section title="">
<br><br>
<h2>Intro to Firebase</h2>
<img src="images/firebase-logo.png" class="no-style">
<br> <br>
<p>
<h6>David Cifuentes / <a href="http://twitter.com/dcifuen">@dcifuen</a></h6>
<h6>Santiago Carrillo / <a href="http://twitter.com/sancarbar">@sancarbar</a></h6>
</p>
</section>
<section>
<p class="text-cream text-medium">The <span class="text-discs">Realtime Backend</span></p>
<p class="text-cream text-medium">for your App</p>
</section>
<section>
<p class="text-medium">Creating an app shouldn't require managing complex infrastructure.</p>
</section>
<section>
<h3>The Full Stack</h3>
<img src="images/full-stack.png" alt="The Full Stack" class="no-style" />
</section>
<section>
<p class="text-small">The full stack is never really that simple</p>
<img src="images/backend-reqs.gif" alt="" class="white-bg no-style" />
</section>
<section>
<p class="text-small">... and neither is the client side</p>
<br><br>
<img src="images/clients.png" alt="gdocs" class="no-style" />
</section>
<section>
<p class="text-medium era-point">The user doesn't care about your backend</p>
</section>
<section>
<h4>The user expects</h4>
<p class="text-small era-point">Speed</p>
<p class="text-small era-point">Offline</p>
<p class="text-small era-point">Multi-platform</p>
<p class="text-small era-point">Simple Authentication</p>
</section>
<!--
Firebase
-->
<section>
<h3>Firebase</h3>
<img src="images/firebase-logo.png" class="no-style era-point">
<br>
<p class="text-cream">The <span class="text-discs">Realtime Backend</span></p>
<p class="text-cream">for your App</p>
</section>
<section>
<h4>The Firebase Backend</h4>
<img src="images/data-box.png" class="no-style framework-logo">
<img src="images/login-box.png" class="no-style framework-logo">
<img src="images/security-box.png" class="no-style framework-logo">
<img src="images/hosting-box.png" class="no-style framework-logo">
</section>
<section>
<h3>Forget the Server</h3>
<p class="era-point">Firebase apps can run on client-side code only</p>
<br>
<img src="/images/platforms.png" alt="" class="no-style framework-logo">
</section>
<section>
<img src="images/data-box.png" class="no-style framework-logo">
</section>
<section>
<h2>Cloud database</h2>
<p class="era-point">NoSQL data-store</p>
<p class="era-point">Returns JSON from a RESTful API</p>
</section>
<section>
<img src="/images/simple-api.png" alt="" class="no-style">
</section>
<section>
<h2>Realtime Data</h2>
<p class="era-point text-cream">
Whenever <span class="text-discs">data is updated in Firebase</span>,
it sends the update down to every <span class="text-tarheel">listening client</span>
</p>
</section>
<section>
<img src="/images/Realtime-sync-anim.gif" alt="" class="no-style" style="max-width: 85%;">
</section>
<section>
<p class="text-medium">SDKs</p>
<img src="/images/platforms.png" alt="" class="no-style">
</section>
<section>
<h2>Store Data</h2>
<code-box langs="JavaScript,Swift,Java">
<code-example lang="JavaScript">
var ref = new Firebase("https://<your-firebase-app>.firebaseio.com/message");
ref.set('All the things');
</code-example>
<code-example lang="Swift">
let ref = Firebase(url: "https://<your-firebase-app>.firebaseio.com/message")
ref.setValue("All the things")
</code-example>
<code-example lang="Java">
Firebase ref = new Firebase("https://<your-firebase-app>.firebaseio.com/message");
ref.setValue("All the things");
</code-example>
</code-box>
</section>
<section>
<h2>Sync Data</h2>
<code-box langs="JavaScript,Swift,Java">
<code-example lang="JavaScript">
var ref = new Firebase("https://<your-firebase-app>.firebaseio.com/message");
ref.on("value", function(snap) {
console.log(snap.val());
});
</code-example>
<code-example lang="Swift">
let ref = Firebase(url: "https://<your-firebase-app>.firebaseio.com/message")
ref.observeEventType(.Value, withBlock: { snap in
println(snap.value)
})
</code-example>
<code-example lang="Java">
Firebase ref = new Firebase("https://<your-firebase-app>.firebaseio.com/message");
ref.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot snapshot) {
System.out.println(snapshot.getValue());
}
@Override public void onCancelled(FirebaseError error) { }
});
</code-example>
</code-box>
</section>
<section>
<h3>Offline</h3>
<img class="no-style" src="/images/offline.png">
</section>
<section>
<h3>Intermittent Offline</h3>
<p class="text-small">What happens when you go through a tunnel?</p>
<br><br>
<p class="text-small fragment">
Firebase clients store a local cache of your data. When the user
goes offline, the app still works as expected with the local cache.
</p>
</section>
<section>
<h3>Extended Offline</h3>
<p class="text-small">What happens when you go on a flight?</p>
<br><br>
<p class="text-small fragment">
On mobile, Firebase persists data to a local store. The app will continue
to work even across app restarts.
</p>
</section>
<section>
<h3>One line of code</h3>
<code-box langs="Swift,Java">
<code-example lang="Swift">
Firebase.defaultConfig().persistenceEnabled = true
</code-example>
<code-example lang="Java">
Firebase.getDefaultConfig().setPersistenceEnabled(true);
</code-example>
</code-box>
</section>
<section>
<img src="images/login-box.png" class="no-style framework-logo">
</section>
<section>
<p class="era-point text-small">
Firebase supports several forms of authentication
</p>
<p class="era-point fragment">
Email & Password
</p>
<p class="era-point fragment">
Google
</p>
<p class="era-point fragment">
Twitter
</p>
<p class="era-point fragment">
Facebook
</p>
<p class="era-point fragment">
Github
</p>
<p class="era-point fragment">
Anonymous
</p>
<p class="era-point fragment">
...and even custom backends
</p>
</section>
<section class="hasCode">
<h3>Authentication</h3>
<code-box langs="JavaScript,Swift,Java">
<code-example lang="JavaScript" prop="one">
// Login with Google
ref.authWithOAuthPopup('google', function(error, authData) {
console.log(authData);
});
</code-example>
<code-example lang="Swift">
ref.authWithOAuthProvider("google", token: "<OAuth Token>",
withCompletionBlock: { error, authData in
if error != nil {
// Error authenticating with Firebase with OAuth token
} else {
// User is now logged in!
println("Successfully logged in! \(authData)")
}
})
</code-example>
<code-example lang="Java">
ref.authWithOAuthToken("google", "<OAuth Token>", new Firebase.AuthResultHandler() {
@Override
public void onAuthenticated(AuthData authData) {
// the Google user is now authenticated with your Firebase app
}
@Override
public void onAuthenticationError(FirebaseError firebaseError) {
// there was an error
}
});
</code-example>
</code-box>
</section>
<section class="hasCode">
<h3>Authentication</h3>
<code-box langs="JavaScript,Swift,Java">
<code-example lang="JavaScript" prop="one">
// Listen for authentcated users
ref.onAuth(function(authData) {
if(authData) {
console.log('User is logged in!');
}
});
</code-example>
<code-example lang="Swift">
ref.authWithOAuthProvider("google", token: "<OAuth Token>",
withCompletionBlock: { error, authData in
if error != nil {
// Error authenticating with Firebase with OAuth token
} else {
// User is now logged in!
println("Successfully logged in! \(authData)")
}
})
</code-example>
<code-example lang="Java">
ref.authWithOAuthToken("google", "<OAuth Token>", new Firebase.AuthResultHandler() {
@Override
public void onAuthenticated(AuthData authData) {
// the Google user is now authenticated with your Firebase app
}
@Override
public void onAuthenticationError(FirebaseError firebaseError) {
// there was an error
}
});
</code-example>
</code-box>
</section>
<section>
<img src="images/security-box.png" class="no-style framework-logo">
</section>
<section>
<h3>Security</h3>
<p class="era-point">
By default everyone can write and read
</p>
<pre>
<code data-trim class="json">
{
"rules": {
".read": true,
".write": true,
}
}
</code>
</pre>
</section>
<section>
<p class="era-point">
Everyone can read, but no one can write
</p>
<pre>
<code data-trim class="json">
{
"rules": {
".read": true,
".write": false,
}
}
</code>
</pre>
</section>
<section>
<p class="era-point">
Secure specific parts of your Firebase
</p>
<pre>
<code data-trim class="json">
{
"rules": {
".read": true,
"message": {
".write": false
}
}
}
</code>
</pre>
</section>
<section>
<p class="era-point">
Special variables to power authentication
</p>
<pre>
<code data-trim class="json">
{
"rules": {
".read": true,
"message": {
".write": "auth !== null",
".validate": "!data.exists()"
}
}
}
</code>
</pre>
</section>
<section>
<h3>Security</h3>
<p class="text-small">Use $wildcards as route parameters</p>
<pre>
<code data-trim class="json">
{
"rules": {
".read": false,
".write": false,
"users": {
"$userid": {
".read": "true",
".write": "auth.uid === $userid"
}
}
}
}
</code>
</pre>
</section>
<section>
<img src="images/hosting-box.png" class="no-style framework-logo">
</section>
<section>
<h3>Hosting</h3>
<p class="text-small">When you're ready to launch</p>
<pre>
<code data-trim class="bash">
firebase init
# select your firebase
firebase deploy
# party time
</code>
</pre>
</section>
<section>
<h3>Hosting</h3>
<p class="text-small era-point">Production-grade</p>
<p class="text-small era-point">Static Asset</p>
<p class="text-small era-point">Free SSL</p>
<p class="text-small era-point">CDN cached assets</p>
<p class="text-small era-point">One click rollbacks</p>
</section>
<section>
<h3>Tooling & Integration</h3>
</section>
<section>
<h3>Bindings</h3>
<img src="/images/backbonejs.png" class="framework-logo no-style" />
<img src="/images/emberjs.png" class="framework-logo no-style" />
<img src="/images/react.png" class="framework-logo no-style" />
<img src="/images/angularjs.png" class="framework-logo no-style" />
</section>
<section>
<h3>AngularFire</h3>
<p class="text">A chat app in AngularFire</p>
<pre>
<code data-trim class="javascript">
var app = app.module('app', ['firebase']);
app.controller('ChatCtrl', function($scope, $firebaseArray) {
var ref = new Firebase('https://<your-firebase>.firebaseio.com/messages');
$scope.messages = $firebaseArray(ref);
});
</code>
</pre>
<pre>
<code data-trim class="html">
<html>
<body ng-app="app">
<div ng-controller="ChatCtrl">
<p ng-repeat="message in messages">message.text</p>
</div>
</body>
</html>
</code>
</pre>
</section>
<section>
<h3>Geofire</h3>
<p class="text-smaller">Store and query items based on their geographic location in realtime</p>
<iframe src="https://geofire.firebaseapp.com/sfVehicles/" height="450px" width="100%"></iframe>
</section>
<section>
<h3>Well Documented</h3>
<a class="text-tarheel" href="https://firebase.com/docs">
<img src="images/docs-site.png">
</a>
</section>
<section>
<h4>Firebase meta-data</h4>
<p class="era-point">
<span id="current-devs">170,000+</span> registered developers
</p>
<p class="era-point">
1M concurrent users on Firebase sites
</p>
<p class="era-point">
Joined Google October, 2014
</p>
</section>
<section>
<h4>Firebase in Production</h4>
<ul>
<li class="era-point">
<span class="text-discs">Twitch.tv</span> - Notifying users when realtime streams go live
</li>
<li class="era-point">
<span class="text-discs">Citrix</span> - Manages presence in GoTo Meeting
</li>
<li class="era-point">
<span class="text-discs">CBS</span> - Powers the chat for Big Brother's Live Stream
</li>
<li class="era-point">
<span class="text-discs">Warby Parker</span> - Powering pneumatic tubes
</li>
</ul>
</section>
<section>
<h2>Focus on your app</h2>
<p class="era-point">The user doesn't care about the backend</p>
<p class="era-point">What matters is that your app is
<span class="text-tarheel">fast and enjoyable</span>
</p>
</section>
<section>
<h2>Complete Platform</h2>
<img src="images/data-box.png" class="no-style framework-logo">
<img src="images/security-box.png" class="no-style framework-logo">
<img src="images/login-box.png" class="no-style framework-logo">
<img src="images/hosting-box.png" class="no-style framework-logo">
</section>
<section>
<h1>ASK ME QUESTIONS</h1>
<h5>DAVID CIFUENTES / <a href="http://twitter.com/dcifuen">@DCIFUEN</a></h5>
<h5>CLOUD ARCHITECT / <a href="http://twitter.com/TheapesCompany">@THEAPESCOMPANY</a></h5>
<h5> </h5>
<h5>SANTIAGO CARRILLO / <a href="http://twitter.com/sancarbar">@SANCARBAR</a></h6>
<h5>ANDROID DEV / <a href="http://twitter.com/tuatara">@TUATARA</a></h5>
</section>
<section>
<h2>Assets Used</h2>
<ul>
<li><a href="https://thenounproject.com/search/?q=database&i=9658">https://thenounproject.com/search/?q=database&i=9658</a></li>
<li><a href="https://thenounproject.com/search/?q=server&i=34235">https://thenounproject.com/search/?q=server&i=34235</a></li>
<li><a href="https://thenounproject.com/search/?q=api&i=137607">https://thenounproject.com/search/?q=api&i=137607</a></li>
<li><a href="https://thenounproject.com/search/?q=users&i=36217">https://thenounproject.com/search/?q=users&i=36217</a></li>
<li><a href="https://thenounproject.com/search/?q=macbook&i=20320">https://thenounproject.com/search/?q=macbook&i=20320</a></li>
<li><a href="https://thenounproject.com/search/?q=iphone&i=5765">https://thenounproject.com/search/?q=iphone&i=5765</a></li>
<li><a href="https://thenounproject.com/search/?q=nexus-5&i=26045">https://thenounproject.com/search/?q=nexus-5&i=26045</a></li>
</ul>
</section>
</div>
</div>
<script src="lib/js/head.min.js"></script>
<script src="js/reveal.min.js"></script>
<script src="http://code.jquery.com/jquery-2.1.4.min.js"></script>
<script>
// Full list of configuration options available here:
// https://github.com/hakimel/reveal.js#configuration
Reveal.initialize({
controls: false,
progress: true,
history: true,
center: true,
theme: Reveal.getQueryHash().theme, // available themes are in /css/theme
transition: Reveal.getQueryHash().transition || 'concave', // default/cube/page/concave/zoom/linear/fade/none
// Parallax scrolling
// parallaxBackgroundImage: 'https://s3.amazonaws.com/hakim-static/reveal-js/reveal-parallax-1.jpg',
// parallaxBackgroundSize: '2100px 900px',
// Optional libraries used to extend on reveal.js
dependencies: [
{ src: 'lib/js/classList.js', condition: function() { return !document.body.classList; } },
{ src: 'plugin/markdown/marked.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'plugin/markdown/markdown.js', condition: function() { return !!document.querySelector( '[data-markdown]' ); } },
{ src: 'plugin/highlight/highlight.js', async: true, callback: function() { hljs.initHighlightingOnLoad(); } },
{ src: 'plugin/zoom-js/zoom.js', async: true, condition: function() { return !!document.body.classList; } },
{ src: 'plugin/notes/notes.js', async: true, condition: function() { return !!document.body.classList; } }
]
});
</script>
<script>
function signPostEra( event ) {
var title = event.currentSlide.attributes.title;
if(title) {
var era = document.getElementById('era');
era.innerText = title.value;
}
}
Reveal.addEventListener( 'ready', function( event ) {
signPostEra( event );
});
Reveal.addEventListener( 'slidechanged', function( event ) {
signPostEra( event );
});
</script>
</body>
</html>