This document outlines a presentation on Mobile Backend as a Service (MBaaS). It discusses MBaaS features like push notifications, data storage, and APIs. It also covers several MBaaS platforms like Kinvey, Backendless, BackBeam, and Parse. For each platform, it describes services like user authentication, data storage, and SDKs. Finally, it shows code examples for performing common tasks like storing and querying data using the Parse MBaaS platform on Android.

1. José Manuel Ortega Candel
Mobile Backend as a Service(MBaaS)
Except where otherwise noted, this work is licensed under: http://creativecommons.org/licenses/by-nc-sa/3.0/
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https://speakerdeck.com/jmortega

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Persistence in Mobile
iNDEX
Cloud Computing / BaaS
MBaaS features /architecture/ Startups
Push Notifications / GCM / API REST / Storage
Kinvey / Backendless / BackBeam / Parse
Demos on Android

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SQLite / Core Data
Persistence in Mobile

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Persistence in Mobile
Android iOS
SQLite
android.database.sqlite
 Tables and relations
Core Data
 Objects
 DataModel
Content Providers
/data/data/<Application-Package>
/databases/<database-name> Only
acces with root
DataModel editor in Xcode for
register objects and their
relationships

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Persistence in Mobile
Objects vs Tables
Object Relational Mapping

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Persistence in Mobile
public class Event extends Entity {
public int id;
public String name;
}
Event e =
Entity.query(Event.class).where("id=1")
.execute();
p.name = “Techfest";
p.save();

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Cloud Computing
PaaS(Platform as a Service)
IaaS(Infraestructure as a Service)

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Cloud Computing
BaaS(Backend as a Service) /MBaaS
SaaS(Software as a Service)

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BaaS

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BaaS
MBaaS= Cloud-Mobile Services + Mobile SDKs + Management Console

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MBaaS APIs

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MBaaS APIs

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MBaaS architecture

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MBaaS features
 API REST for CRUD operations(GET,POST,UPDATE,DELETE,PATCH)
 Multi platform SDK
 Cloud Storage
 Push notifications
 User management
 Data Browser
 Query language
 Import/Export data
 Analytics / Monetization

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MBaaS features
Reduce server side coding
developers can focus on front-end development
often providers offer SDKs that wrap REST API calls
and handle in/out parameters:
both HTML/JS and native (iOS, Android,Windows
Phone)
No server setup, ready to use (HOSTED SERVICE)
Deployed on the cloud, with built-in scalability

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Startups

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Others
 Appcelerator(Titanium)
 http://appery.io
 http://www.applicasa.com
 http://www.apiomat.com
 http://www.kumulos.com
 Open Source
 http://www.baasbox.com

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Startups

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MBaaS
OBJECT-BASED DATA STORAGE
DATA SYNCHRONIZED
USER ACCOUNTS & AUTHENTICATION
REAL-TIME ANALYTICS
PUSH NOTIFICATIONS
API REST

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Storage support

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{ "results": [
{
"createdAt": "2015-01-05T14:54:00.650Z",
"eventImage": {
"__type": "File",
"name": "tfss-b84799aa-4366-488d-afe7-1afdb5646dee-t3chfest_slider.jpg",
"url": "http://files.parsetfss.com/5ffebb1f-a86a-4d00-8dcb-6b9e349f4838/tfss-b84799aa-4366-
488d-afe7-1afdb5646dee-t3chfest_slider.jpg" },
"eventName": "techFest",
"eventURL": "https://techfest.uc3m.es/",
"objectId": "HxmPtSWnqa", "updatedAt": "2015-02-12T14:56:00.866Z" }] }
JSON Object

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Push Notifications
Var channel= _application.pubSub.Subscribe(“channel
name”);
channel.Send({message});
Push Notification
Service
MBaaS

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Push Notifications
 Multiplatforms messages
 Enable server applications to send information to mobile
apps even when the app isn’t in use
 The device displays the information using a “badge,” alert, or pop
up message. A push notification uses the service provided by the
device’s operating system:
 iOS - Apple Push Notification service (APNS)
 Android - Google Cloud Messaging (GCM)

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Google Cloud Messaging(GCM)

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Google Cloud Messaging(GCM)
https://console.developers.google.com

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Push Notifications
iOS
Apple Push Notification service (APNs) Certificate
Private Key
Android
Google Cloud Messaging API KEY
Sender ID
Google API Console > Authentication && Project
Number

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Kinvey Data collection
Kinvey stores data as collections and entities. Entities are JSON documents. Collections belong to
applications. Internally, data is stored in a MongoDB cluster.

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Kinvey Data management
NO SQL DataBases
REST API
CLOUD CODE

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Kinvey Data Link

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Kinvey API REST

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Kinvey API REST OPERATIONS

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Kinvey API REST OPERATIONS

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Kinvey CLOUD CODE
 JavaScript / Custom endpoints

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Kinvey Users management

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Kinvey Import/Export data

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Kinvey Push notifications

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Kinvey

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BackBeam

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BackBeam

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BackBeam

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Backendless Data Browser

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Backendless data type & relations

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Backendless Export data

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Backendless generate code

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Backendless Project

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Backendless Project

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Backendless security

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Backendless security

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Backendless User managment
BackendlessUser user = new BackendlessUser();
user.setEmail( “user@backendless.com" );
user.setPassword( "my_super_password" );
Backendless.UserService.register( user, new BackendlessCallback<BackendlessUser>()
{
@Override
public void handleResponse( BackendlessUser backendlessUser )
{
Log.i( "Registration", backendlessUser.getEmail() + " successfully registered" );
}
} );

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Security
Authentication && Authorization
Basic Authentication userName and password encoded in
Base 64
authorization
header: Authorization: Basic
bXlVc2VybmFtZTpteVBhc3N3b3Jk
Session Authentication Auth token / Social Networks
Permissions Shared / Private / Read Only / Full

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Parse ARCHITECTURE

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Parse SERVICES
User Authentication
Push Notification
Data Storage
Rest API
JavaScript SDK
iOS SDK
Android SDK
JavaScript SDK

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Parse CROSS-PLATFORM SUPPORT

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Connect your app with services
APPLICATION ID
CLIENT KEY
+ Parse.initialize(“APP_ID”,”C_KEY”);

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Parse Application Keys + Installations

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Parse Objects
Parse stores data internally as flat JSON Documents, called ParseObject, with have the restriction that
keys must be alphanumeric strings. Parse automatically creates ‘classes’ for ParseObjects, grouping objects
with similar properties. Classes and all objects associated to them belong to applications, which can be
defined on the Parse web interface.
ParseObject event = new ParseObject(“Event");
event.put(“eventName", “techfest”);
event.put(“eventURL", “http://techfest.uc3m.es");
event.put(“eventDate", new Date());

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Parse Data browser + filter

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Parse Data browser

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Parse Cloud Code
 Write our owns API functions with javascript

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Parse with ANDROID
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
// Enable Local Datastore.
Parse.enableLocalDatastore(this);
Parse.initialize(this, “APPLICATION_ID", “CLIENT_KEY");
ParseObject event = new ParseObject(“Event");
event.put(“eventName", “techfest”);
event.put(“eventURL", “http://techfest.uc3m.es");
event.put(“eventDate", new Date());
event.saveEventually(); //Object saved when user has network connection
event.saveInBackground();

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Parse Object
import com.parse.ParseClassName;
import com.parse.ParseObject;
@ParseClassName(“Event")
public class Event extends ParseObject{
public Event(){}
public String getName(){
return getString(“eventName");
}
public void setName(String name){
put(“eventName", name); }
}}
ParseObject.registerSubclass(Event.class);

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Parse Object with files
byte[] data = myPhotoObject.toByteArray();
ParseFile eventPhoto = new ParseFile("t3chfest.jpg", data);
eventPhoto.saveInBackground();
ParseObject event = new ParseObject("Event");
event.put("name", "t3chFest");
event.put(”photo”, eventPhoto);
event.saveInBackground();

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Parse Object with files

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Parse Data Entity type

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Query Language
ParseQuery<ParseObject> query = ParseQuery.getQuery(“Event");
query.whereEqualTo(“eventName", “techfest");
query.findInBackground(new FindCallback<ParseObject>() {
public void done(List<ParseObject> eventList, ParseException e) {
if (e == null) {
Log.d(“events", "Retrieved " + eventList.size() + " events");
} else {
Log.d(“events", "Error: " + e.getMessage());
}
}
});
query.setCachePolicy(CachePolicy.CACHE_THEN_NETWORK);

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CACHE
 query.cachePolicy property
 CachePolicy.CACHE_ELSE_NETWORK
The query first tries to load from the cache, but if that fails, it loads results from
the network.If neither cache nor network succeed, there is a PFError.
 CachePolicy.CACHE_THEN_NETWORK
The query first loads from the cache, then loads from the network. In this case,
the callback will actually be called twice - first with the cached results, then with
the network results.
Since it returns two results at different times, this cache policy cannot be used
synchronously with findObjects.

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JavaScript
var event= Parse.Object.extend ("Event");
var query = new Parse.Query (event);
query.find ({ success: function (results) {
$scope.data.events = results;
},
error: function (error) {
alert ("Error:" + error.code + "" + error.message);
}
});

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Parse Push Notifications
Enabling Push Notifications

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Parse SDK

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Parse Push Notifications

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Parse Push Notifications
//Enable to receive push
PushService.setDefaultPushCallback(this,
RespondToPushActivity.class);
ParseInstallation pi = ParseInstallation.getCurrentInstallation();
//Register a channel to test push channels
Context ctx = this.getApplicationContext();
PushService.subscribe(ctx, "ch1", RespondToPushActivity.class);
pi.saveEventually();

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API REST

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API REST AJAX CALL
var headers = {"X-Parse-Application-Id":"YOUR-APP-ID-HERE", "X-Parse-REST-API-Key":"YOUR-
REST-API-KEY-HERE"};
function getData() {
$.ajax({ "type":"GET", "url":"https://api.parse.com/1/classes/Event",
"dataType":"json", "contentType":"application/json", "headers":headers,
success:function(data, status, xhr) {
var result = "";
for(var i = 0; i < data.results.length; i++) {
result = result +""+ data.results[i].eventName+" / "+ data.results[i].eventURL+"";
}}
});
}

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PERMISSIONS / ACL

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PARSE ANALYTICS

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PARSE IMPORT DATA JSON/CSV

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PARSE USER MANAGMENT
//login
ParseUser.logInInBackground(username, password, new LogInCallback() {
public void done(ParseUser user, com.parse.ParseException e) {
}});
//signUp
ParseUser user = new ParseUser();
user.setUsername(username);
user.setPassword(password);
user.setEmail(email); //optional
user.signUpInBackground(new SignUpCallback() {
public void done(com.parse.ParseException e) {
}});
//Check if user is logged
ParseUser currentUser = ParseUser.getCurrentUser();

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PARSE USER MANAGMENT

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https://github.com/jmortega/parseProjects

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Parse T3chfest

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Parse T3chfest

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Parse Login

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PARSE EXAMPLES https://parse.com/tutorials

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REFERENCES http://www.androidbook.com/expertandroid/projects

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