Build Mobile Apps Faster with AWS Mobile Services

©2015, Amazon Web Services, Inc. or its aﬃliates. All rights reserved
Build
Your
Mobile
App
Faster
with

AWS
Mobile
Services
Tara E. Walker
@taraw
Technology Evangelist, Amazon Web Services

How to build a mobile app today?

Authenticate users
Authorize access
Analyze User Behavior
Store and share media
Synchronize data
Deliver media
Store shared data
Stream real-time dataRun Business Logic
Send push notifications
Manage users and
identity providers
Securely access
cloud resources
Sync user prefs , states
across devices
Track active users,
Engagement, retention
Run stateless custom
Code without managing servers
Store user-generated photos
Media and share them
Automatically detect mobile devices
Deliver content quickly globally
Bring users back to your app by sending
messages reliably
Store and query fast NoSQL data
across users and devices
Collect real-time clickstream logs
and take actions quickly
Your
Mobile
App

What Our Mobile Customers Have Told Us
Problems developers face today
Fragmentation across platforms
Sync scalability is extremely hard
Expensive to manage and operate
Distracts them from building core UX
Managing unique user identities is difficult
to implement for every app
Undifferentiated Heavy Lifting
Developer’s Mobile App Code
User Identity Mgmt. and Auth
User Data Synchronization
Asynchronous Communication
Active Devices Analytics
User Behavior Analytics
Engagement Analytics
Push Notifications
Event Triggers
Platform agnostic Mobile Backend
Data Validation and Transformation
File and Media Storage
Shared Database Storage
Data Collection
And More….
AWS Cloud Infrastructure

What Our Mobile Customers Have Told Us
Developer’s Mobile App Code
User Identity Mgmt. and Auth
User Data Synchronization
Asynchronous Communication
Active Devices Analytics
User Behavior Analytics
Engagement Analytics
Push Notifications
Event Triggers
Platform agnostic Mobile Backend
Data Validation and Transformation
File and Media Storage
Shared Database Storage
Data Collection
And More….
AWS Cloud Infrastructure
Amazon Cognito
Amazon Mobile Analytics
Amazon SNS Mobile Push
Amazon Lambda New!
Mobile-optimized Connectors
(Kinesis, S3, DynamoDB, SQS)

Amazon Cognito Amazon Mobile Analytics Amazon SNS Mobile Push
Kinesis Recorder DynamoDB Mapper S3 Transfer Mgr SQS Client SES Client
AWS Global Infrastructure (Regions, Availability Zones, Edge Locations)
Core Building Block
Services
Mobile Optimized
Connectors
Mobile Optimized
Services
Your Mobile App, Game or Device App
AWS Mobile SDK, API Endpoints, Management Console
Compute Storage Networking Analytics Databases
Integrated SDK
AWS Mobile Services
AWS Lambda
Lambda
Functions
λ λ
λ
λ

Authenticate users
Authorize access
Synchronize data
Deliver media
Store shared data
Stream real-time dataRun Business Logic
Manage users and
identity providers
Securely access
cloud resources
Sync user prefs
across devices
Track active users,
Engagement, retention
Run stateless custom
Code without managing servers
Store user-generated photos
Media and share them
Automatically detect mobile devices
Deliver content quickly globally
Bring users back to your app by sending
messages reliably
Store and query fast NoSQL data
across users and devices
Collect real-time clickstream logs
and take actions quickly
Your
Mobile
App

Authenticate users
Authorize access
Synchronize data
AWS Mobile SDK
Amazon Mobile
Analytics
Deliver media
Amazon Cognito
(Sync)
AWS Identity and
Access Management
Amazon Cognito
(Identity Broker)
Amazon S3
Transfer Manager
Amazon CloudFront
(Device Detection)
Store shared data
Amazon DynamoDB
(Object Mapper)
Stream real-time data
Amazon Kinesis
(Recorder)
Run Business Logic
AWS Lambda
Amazon SNS
Mobile Push
Your
Mobile
App

Photo Sharing App Example Usecase: The Next Instagram

AWS Region
AUTHENTICATED(ASSUMEDROLE)
Photo Sharing
AWS MOBILE REFERENCE ARCHITECTURES
Download
Photos &
App Files
Session and Device Data, User Behavior
Social Content
(Tagging, Likes,
Comments, etc.)
Auto Export
Meta-data
Image Manipulation
Lambda
Function
Invoked
Multi-part Upload
User Login
Auth with Web Identity Token
User
Friends
AWS Mobile SDK
Session & Photo Metadata
RoleAssociated
WithIdentityPool
Amazon
Lambda
Amazon
CloudFront
Amazon
Mobile Analytics
Amazon
DynamoDB
Amazon
Cognito
Amazon
IAM Amazon
S3
Geo Look up
Amazon
SNS Mobile
Push
Amazon
Redshift
Targeted

Authenticate users
Authorize access
Synchronize data
AWS Mobile SDK
Amazon Mobile
Analytics
Deliver media
Amazon Cognito
(Sync)
AWS Identity and
Access Management
Amazon Cognito
(Identity Broker)
Amazon S3
Transfer Manager
Amazon CloudFront
(Device Detection)
Store shared data
Amazon DynamoDB
(Object Mapper)
Stream real-time data
Amazon Kinesis
(Recorder)
Amazon SNS
Mobile Push
Your
Mobile
App
Run Business Logic
AWS Lambda

Serverless Backend Optimized for Mobile

AWS
Lambda

Auto Scaling
(Never under or over
provision)
Focus on business logic,
not infrastructure. Upload
your code; AWS Lambda
handles everything else
Zero Administration
Lambda scales the
infrastructure as needed
to match the event rate
and pay as you go
Bring Your Own Code
“Run stateless functions in the cloud and scale without any servers to manage”
Starting with JavaScript but
later any language, Create
threads and processes, run
batch scripts or other
executables,

How
can
you
put
AWS
Lambda
to
work?

Stream
processing
Data triggersServerless
backend
Mobile/IoT Indexing &
synchronization

Case
Study:
AWS
Lambda
on
Social
Media
Aggrega>on

CommandPost is CMP.LY’s patented
Monitoring, Measurement & Insights (MMI)
tool for managed social communications.
Increase the amount of data
processed while reducing(!)
the resources (instances)
required to do it

Respond
to
events
in
real-‐0me

Map
local
func0ons
to
cloud
func0ons
from
within
the
SDK

Target,
Filter,
and
Route
Amazon
SNS
No0ﬁca0ons
Apply
Custom
Logic
to
User
Preferences
and
Game
State

Java
Support
(Coming
soon),
CloudTrail
integra0on,
Enhanced
metrics

and
logging
via
CloudWatch
S3 event
notifications
DynamoDB
Streams
Kinesis
events
Cognito
events
SNS
events
Custom
events
AWS Lambda Now Ready for Production at Scale

Amazon
Cognito Sync
Dataset
Amazon
DynamoDB
Table
Map local
functions to
invoke
Lambda
Functions
synchronously
Maintain
Intelligence
in the cloud
and not the
device
Chain
multiple
Functions or
call them in
Parallel
J
SNS
Push notificationPersonalize your
notification for
every user

Demo: Synchronously invoke lambda function from a
mobile device

Adding a Lambda Backend to your Mobile App is
simple
Initialize the LambdaFactory and define the Interface for the functions
Call synchronize on the dataset
Create/Upload the Lambda Function to the AWS Management Console
lambda = new LambdaInvokerFactory(context, Regions.US_WEST_2, provider);
//interface
@LambdaFunction(functionName="cloudFunction”)
String localFunction(String nameInfo);
lambda.localFunction(“Hello From “); // this will output “Hello From Lambda”
exports.handler = function(event, context) {
context.done(null, event + 'Lambda'); // SUCCESS with message
};

Send Push Notifications: Amazon SNS Mobile Push

Amazon SNS
Cross-platform
Mobile Push
Internet
Apple APNS
Google GCM
Amazon ADM
Windows WNS and
MPNS
Baidu CP
With Amazon SNS, developers can send push notiﬁcations on multiple platforms
and reach mobile users around the world
New features:
Delivery Metrics via
CloudWatch
Trigger Lambda
Functions from SNS
notifications
Amazon SNS Mobile Push
Android Phones and Tablets
Apple iPhones and iPads
Kindle Fire Devices
Android Phones and Tablets in China
iOS
Windows Desktop and Windows Phone
Devices

Mobile push lets our users live
life together in the moment, even
when they are miles apart.
Founded in San Francisco
in 2010
Social networking and
messaging designed for
close friends and family
Two apps, Three
platforms, 20 languages
5M+ DAU worldwide
creating billions of monthly
impressions

Reliable push at scale takes constant work
35 AWS EC2 m3.xlarge instances
Home-rolled code based on Tornado
6 Load
Balancers
Constantly trying to
scale out, both at
process level and
server level
Fighting to maximize
throughput at packets
per second level
Never certain how
many pushes we were
sending or dropping

Now Path Uses SNS Mobile Push
Amazon SNS
Mobile Push

Now Path Uses SNS Mobile Push
Zero to 500m+ daily
push notifications
almost overnight
Highest available
reliability and speed
Easy migration
$1 per million
mobile push deliveries 10m
170m
500m
Day 1 Day 2 Day 3
Path Daily SNS Mobile
Push Deliveries
(millions)
…Rising

How are AWS Mobile Services different?
Serverless and
Scales automatically

Authenticate users: Amazon Cognito

Amazon Cognito
Simplifies Identity and
Access Management
Securely access all
AWS services from
Mobile device
Cross-device and
Cross-platform Sync
Implement security best
practices
“Your App data is secure, available offline, and kept in sync between devices”
Synchronize user’s data
across devices and
platforms
Manage users as
unique identities across
identity providers
Guest Your own
Auth

Identity
Providers
Unique
IdentitiesJoe Anna Bob
Any Device
Any Platform
Any AWS
Service
Helps implement security best
practices
Securely access any AWS Service from mobile
device. It simplifies the interaction with AWS
Identity and Access Management
Support Multiple Login Providers
Easily integrate with major login providers for
authentication.
Unique Users vs. Devices
Manage unique identities. Automatically
recognize unique user across devices and
platforms.
Amazon Cognito Identity
Mobile
Analytics
S3
DynamoDB
Kinesis

Developer Authenticated Identities
(Any OpenID Connect Token)
Cognito ID
(Temp
Credentials)
DynamoDB
End Users
Developer
App with
AWS Mobile
SDK
Access
to AWS
Services
Cognito Identity
Broker
Get OpenID Token
Username
password
Cognito ID,
Temp Credentials
S3
Mobile Analytics
Cognito Sync
Store
AWS
Management
Console
OIDC Token
Pool ID
Role ARNs
User Authentication
System
(Running on AWS or not)
OIDC Token
OIDC Token

Getting Started with Cognito in 3 steps
Sign up for AWS Account and login to AWS Management Console
Download and integrate the Mobile SDK and store and
sync user data in a dataset
Create identitypool for authenticated and
unauthenticated users in the AWS Console

Amazon Cognito (Identity Broker)
Identitypool
Identity
Providers
Pool of identities that
share the same trust policy
Access
Policy
Access to
AWS
Services
identitypool
Unauthenticated
Identities
authenticated
identities
AWS IAM Roles
AWS
Account
Web Identity
Federation
S3
DynamoDB
Get Delete Put

Synchronize data across devices : Amazon Cognito (Sync)

Cognito Cloud Save and Sync
User Data
Storage and
Sync
Any Platform
iOS/Android/FireOS
Store App Data, Preferences and State
Save app and device data to the cloud and merge
them after login
Cross-device Cross-OS Sync
Sync user data and preferences across devices
with one line of code
Work Offline
Data always stored in local SQLite DB first.
Works seamlessly when intermittent or no
connectivity
k/v data
Identity pool
No Backend
Simple client SDK eliminates need for server
side code

Synchronize data across devices with Cognito
Sync Game States
Across OS/devices
State Transition
(link multiple accounts)
Sync User Profiles
across OS/devices/web

Concrete Software builds cross platform mobile games
Concrete Software has been making hit mobile games
like Jellyflop and PBA Bowling Challenge since 2003.
With Amazon Cognito, We
can build games much faster
and provide great user
experience to our customers.
Keith A. Pichelman
CEO, Concrete Software
”
“ •  Provide a seamless user experience across devices
and platforms to our users.
•  Store save games in the cloud and synchronize them
across all of a user’s devices without creating or
hosting a backend.
The Challenge
The solution
•  Amazon Cognito helps us securely access our AWS
resources.
•  Cognito Sync gives us flexibility to save data in the
cloud, and cache it on a user’s devices, without
managing any backend infrastructure.

Cognito Sync data model
•  Iden>ty
Pool:
Pool
of
app
users.

Can
be
shared

across
apps.

•  Iden>ty:
An
individual
user.
Consistent
across

iden8ty
providers.
Can
be
a
guest
user.

•  Dataset:
Per
user
grouping
of
data.
The
most

granular
level
of
sync.
Up
to
1MB.

•  Record:
Key/Value
pair.

AWS
Account

Dataset

Iden8ty

Iden8ty

Iden8ty

Dataset

Dataset

Iden8ty

Pool

1:60

1:n

1:20

Dataset
Dataset

Record

1:1024

You

Your
App

Your
App
Users

User
Data

Container

User
Data

Demo: Sync user’s game state across devices

Integrating Cognito Sync functionality is dead simple
Initialize the CredentialsProvider and CognitoClient
Create or open Dataset and Add Key Values
provider = new CognitoCachingCredentialsProvider (context, AWS_ACCOUNT_ID,
COGNITO_POOL_ID, COGNITO_ROLE_UNAUTH, COGNITO_ROLE_AUTH, Regions.US_EAST_1);
cognito = new CognitoSyncManager (context, Regions.US_EAST_1, provider);
dataset.synchronize(new SyncCallback(){..});
cognito.openOrCreateDataset(datasetName);
dataset.put(key, value);

Integrating Cognito Sync functionality is dead simple
Initialize the AWSCognitoSyncClient
Create or open Dataset and Add Key Values
DataSet *dataset = [syncClient openOrCreateDataSet:@"myDataSet"];
NSString *value = [dataset readStringForKey:@"myKey"];
[dataset putString:@"my value" forKey:@"myKey"];

AWSCognitoSyncClient *syncClient = [[AWSCognitoSyncClient alloc]
initWithConfiguration: configuration];

[dataset synchronize];
iOS

Analyze User Behavior: Amazon Mobile Analytics

Amazon Mobile Analytics
Scalable and Generous
Free Tier
Focus on metrics that
matter. Usage reports
available within 60
minutes of receiving data
from an app
Fast
Scale to billions of
events per day from
millions of users.
Own Your Data
“Simply and cost effectively collect and analyze your application usage data”
Data collected are not
shared, aggregated, or
reused

Getting Started with Mobile Analytics in 3 steps
Sign up for AWS Account and create or use existing Cognito ID in
the AWS Management Console
View engagement and session activity reports in the
AWS Management console within minutes
Download and integrate the Mobile SDK with one line of
code (Android/FireOS, iOS)

Integrating Mobile Analytics is super simple
Initialize the MobileAnalyticsManager. That’s it! Get Session
Activity in the AWS Management Console.
For Custom Events activity reports, add events.
Add OnResume() and OnPause()
private static MobileAnalyticsManager analytics;
analytics = MobileAnalyticsManager.getOrCreateInstance(
this.getApplicationContext(),"yourCompany.yourAppId",
Regions.YOUR_REGION, config, cognitoProvider );
EventClient eventClient = analytics.getEventClient();
MobileAnalyticsEvent visitEvent = eventClient.createEvent("speedSet");
eventClient.recordEvent(visitEvent);
analytics.getSessionClient().resumeSession();
analytics.getSessionClient().pauseSession();
Analytics.getEventClient().submitEvents();

Demo: How is my game performing across platforms

Just Last Month: Run custom queries

Export to S3/Redshift
mobile
client
Amazon
S3
Amazon Mobile
Analytics

Export to S3, Process Data Anywhere
mobile
client
Amazon
S3
Amazon
Redshift
Amazon Mobile
Analytics
Hadoop/Spark
Amazon EMR
Amazon
Glacier
archive
batch

Export to Redshift (Managed)
mobile
client
Amazon
S3
Amazon
Redshift
Amazon Mobile
Analytics
External data

mobile
client
Amazon
S3
Amazon
Redshift
Amazon Mobile
Analytics
External data

55Live score VotingPush notifications

GROWTH PER COUNTRY
57
THE WORLD CUP IS THE MOST INTERESTING FOR THE AMERICANS!

PENETRATION
58
USERS PER CAPITA!

LEVERAGE ON MISSION
59
VOTE PER COUNTRY!

Mobile Services Work Better Together
SNSCognito
Cognito
Cognito
SNS
Lambda
Lambda Lambda
Lambda
Any
Analytics S3/Redshift
Kinesis
DynamoDB
Cognito KinesisLambdaS3

Flexible and Work
Better Together
Serverless and

Store and share media: Amazon S3

Kinesis
AWS
Mobile
SDK
Mobile-optimized Connectors (AWS Mobile
SDK)
S3
Integrated AWS Mobile SDK
Optimized for native OS
Multipart upload media
Fault tolerant download
Automatic retries
Pause, resume, cancel functions
Generic batching system
handles intermittent network
connection
Optimize battery utilization
DynamoDB

Amazon S3 Connector: Transfer Manager
S3 Connector
Multipart upload media (photos, videos, audio)
Fault tolerant download (e.g. assets)
No backend required
Automatic retries
Pause, resume, cancel functions
Optimized for native OS

Outplay Entertainment – Amazon S3 Connector via AWS Mobile SDK
Outplay Entertainment is mobile-focused game
developer on a mission to deliver fun, free and
innovative games for smartphones, tablets, and social
networks.
With Amazon S3 connector, we can
improve the users experience by
dynamically downloading game assets
in the background. No long up-front
delays for our users.
Douglas Hare
CEO, Outplay Entertainment
”
“ •  Improved User Experience. Using the Mobile SDK,
they can download the game assets in background
while the user starts playing the game. No limits on
downloading extra assets.
•  Dynamic updates. They can update the assets
dynamically and avoid AppStore release cycles.
•  Unquestioned Scalability. Different assets for
multiple screen densities go up to 170 MB+. By
storing this data on S3 and directly downloading to
the mobile device, they can scale seamlessly.
•  Excellent Performance. Highest resolution devices
end up downloading about 90MB of extra content.

Amazon S3 Connector: Transfer Manager in Android
// Creating the transfer manager
TransferManager transferManager = new
TransferManager(credentialProvider);
// Upload image
Upload upload = transferManager.upload(BUCKET_NAME, fileName, file);
// Download image
Download download = transferManager.download(BUCKET_NAME, mKey,
file);
// Pause, and Resume
try {
PersistableDownload persistableDownload = download.pause();
//do something if we didn’t abort
} catch(PauseException e) {
//do something if we aborted
}
download = transferManager.resumeDownload(persistableDownload);

Amazon S3 Connector: Transfer Manager in iOS
// Creating the transfer manager
self.transferManager = [S3TransferManager new];
self.transferManager.s3 = s3client;
// Upload image
[self.transferManager uploadFile:fileName bucket:bucketName
key:objectName];
// Download image
[self.transferManager downloadFile:fileName bucket:bucketName
key:objectName];
// Pause, Resume, Cancel
[self.transferManager pauseAllTransfers];
[self.transferManager resumeAllTransfers];
[self.transferManager cancelAllTransfers];

Fully Integrated AWS Mobile SDK
•  Common authentication mechanism across
all services
•  Automatically handle intermittent network
connections
•  Cross-platform Support: Android, iOS, Fire
OS
•  Native SDKs optimized for Mobile OS, for
example, uses the local offline caching
architecture
•  Reduced memory footprint; Pick and choose
the service jars you need
•  Continuously updated with latest platform
enhancements
iOS
Android
JavaScript
Unity
Xamarin
Download the latest
versions of the SDKs

Flexible and Work
Better Together
Serverless and
Fully Integrated and
easy to get started

Key Takeaways
Flexible and Work
Better Together
Serverless and
Fully Integrated and
easy to get started

Amazon
Cognito
Mobile
Analytics
SNS
Mobile Push
Free Tier:
1 Million push
messages every
month
Free Tier (for first 12
months):
1 Million syncs/
month + 10GB of
storage for Amazon
Cognito
Free Tier:
100 Million events
every month
Get Started for Free!
http://aws.amazon.com/mobile
AWS
Lambda
Free Tier : 1M free
requests per month
400,000 GB-
seconds of compute
time per month

Build Mobile Apps Faster with AWS Mobile Services

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