Slides from Maurizio Moriconi talk @ codemotion roma 2014

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Backend as a Service: Parse
maurizio.moriconi@mobilesoft.it
Maurizio Moriconi

2. ROME 11-12 april 2014 - Maurizio Moriconi
Maurizio Moriconi
2
• CTO @ Mobilesoft
• Mobile Developer
• Co-founder
• Main Developer
http://www.facebook.com/maurizio.moriconi
http://www.linkedin.com/in/bugman
@bugman79
- Maurizio Moriconi

3. ROME 11-12 april 2014 - Maurizio Moriconi
Develop an app
Push Notification
Analytics
User management
Social integration
Shared data
Web Hosting
Database hosting
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Challenges
!
• Time
• Skill
• Scalability
• Cost
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Backend as a Service (Baas)
• MBaaS (mobile backend as a service)
!
• Link application to backend cloud storage
• Custom software development kit (SDK)
• Custom application programming interfaces (APIs)
!
Global Market
• $216.5 million in 2012
• $7.7 billion by 2017
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Baas Service
• Custom objects
• model, relationships and store/retrieve from central databases
• File storage
• images, large documents, association with a custom object
• Geolocation
• query object near a certain location
• Users
• creation, integration with Facebook/Twitter, ACL for objects
• Push notifications
• single way to push many platforms
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Some examples
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One backend to rule them all
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Parse pricing
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BASIC PRO ENTERPRISE
free $199 per month ask
Requests
1 Million/month
Requests
15 Million/month
Custom
Pushes
1 Million/month
Pushes
5 Million/month
Custom
File Storage
1 GB
File Storage
10 GB
Custom
App open metrics
1 concurrent background jobs
!
2 App collaborator
Advanced Push Targeting
Push Scheduling
…
Phone support
Enterprise SLA
Individual Push opens
metrics
…

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Parse Services

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Parse Core
!
• Parse Dashboard
• Save data in the cloud
• Make your app social
• Run custom app code in the Parse Cloud
• Background jobs
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Parse Push
!
• Push for:
• iOS, Android, Windows, Windows Phone
• Send notification via:
• web console, REST API, client SDKs !!!
• Advanced targeting (PRO, ENTERPRISE)
• Advanced scheduling (PRO, ENTERPRISE)
!
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Parse Analytics
• Measure App usage
• Optimize Push Campaign
• Track Custom Analytics
• Powerful Dashboard
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Let’s start!
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1 - Sign up for Parse
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2 - Create your first app
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3 - Dashboard
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Setup SDK on iOS
• Download SDK
• Latest version 1.2.18
• Support Xcode (5.0+) iOS 5.0 or higher
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Connect you app to Parse
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Data Browser
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Parse Object
• Contains key-valued pairs of JSON-compatible
data
• This data is schema-less
• Each Parse Object has a class name
!
PFObject in iOS
• ParseObject in Android/Windows
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Save an object
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Auto generate Class!!!

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Save an object
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Special Class Name
• User
• for authentication, log in, sign up and more
• Installation
• store push notification subscriptions for each device
• Role
• to specify groups of users with shared permissions
• Product
• stores your in-app product data
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Data Types
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Some features
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Saving objects offline
!
!
!
!
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Relational Data
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Some features
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!
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Queries
!
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User
• specialized user class called PFUser in iOS
• several properties
• username (required)
• password (required on signup)
• email (optional)
• basic functionality:
• sign up
• login
• email verification
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Signing up
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Loggin in
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PFLogInViewController
• Manage Login via
PFLogInViewControllerDelegate
!
- (BOOL)logInViewController:(PFLogInViewController
*)logInController shouldBeginLogInWithUsername:
(NSString *)username password:(NSString *)password;
!
- (void)logInViewController:(PFLogInViewController
*)logInController didLogInUser:(PFUser *)user;
!
- (void)logInViewController:(PFLogInViewController
*)logInController didFailToLogInWithError:(NSError
*)error;
!
- (void)logInViewControllerDidCancelLogIn:
(PFLogInViewController *)logInController;
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PFSignUpViewController
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• Manage Sign up via
PFSignUpViewControllerDelegate
!
- (BOOL)signUpViewController:
(PFSignUpViewController *)signUpController
shouldBeginSignUp:(NSDictionary *)info;
!
- (void)signUpViewController:
(PFSignUpViewController *)signUpController
didSignUpUser:(PFUser *)user;
!
- (void)signUpViewController:
(PFSignUpViewController *)signUpController
didFailToSignUpWithError:(NSError *)error;
!
- (void)signUpViewControllerDidCancelSignUp:
(PFSignUpViewController *)signUpController;

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Facebook / Twitter integration
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Facebook
• Setup FB application on developer.facebook.com
• Add App ID and App Secret on Parse settings
• Setup application follow https://developers.facebook.com/docs/ios/getting-
started
• Adding this line on application:didFinishLaunchingWithOptions
!
• Add also:
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Facebook
// Create the log in view controller
PFLogInViewController *logInViewController = [[PFLogInViewController alloc]
init];
[logInViewController setFacebookPermissions:[NSArray
arrayWithObjects:@"friends_about_me", nil]];
!
[logInViewController setFields: PFLogInFieldsTwitter | PFLogInFieldsFacebook |
PFLogInFieldsDismissButton];
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User
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Facebook / Twitter integration
• Login
• Sign up
• Linking existing PFUser to Twitter/Facebook
• Unlinking existing PFUser to Twitter/Facebook
• After authentication is possible to use:
• Query Graph on Facebook
• Twitter API on Twitter
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• A bit of logic that running in the Cloud
• Javascript SDK (same for apps)
• You don't have to wait for a new release of
your application
• Schedule jobs
• Cloud Modules for integrate your Parse app
with third-party services and libraries
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Cloud Code
curl -s https://www.parse.com/downloads/cloud_code/installer.sh | sudo /bin/bash
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• Install the command line tool
• Create new project
$ parse new MyCloudCode
Email: ninja@gmail.com
Password:
1:MyApp
Select an App: 1
$ cd MyCloudCode
• A simple function in cloud/main.js
Parse.Cloud.define("hello", function(request, response) {
response.success("Hello world!");
});

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Cloud Code
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$ parse deploy
• Deploy
• Run function on iOS
[PFCloud callFunctionInBackground:@"hello"
withParameters:@{}
block:^(NSString *result, NSError *error) {
if (!error) {
// result is @"Hello world!"
}
}];
• Response
{
"result": "Hello world!"
}

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Cloud Code
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Web hosting
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/public
index.html
Cloud Parse PRJ

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and now?
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Parse Analytics
File storage
Push notifications Data relations
Users ACL
Geopoint
File storage
In-app purchase
Web hosting
Query
Email-verification

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Thank You!
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Backend as a Service: