building cloud-powered mobile apps

Building Cloud-powered Mobile AppsDanilo Poccia, Technical Evangelist

October 15th, 2014

#AWSUGHungary@danilop

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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 dataTrack Retention

Send push notifications

Manage users and identity providers

Securely access cloud resources

Sync user prefs across devices

Track active users, engagement

Manage funnels, Campaign performances

Store user-generated photosMedia and share them

Automatically detect mobile devicesDeliver content quickly globally

Bring users back to your app by sendingmessages reliably

Store and query fast NoSQL dataacross users and devices

Collect real-time clickstream logs and take actions quickly

Your Mobile

App

Introducing AWS Mobile Services

Amazon Cognito Amazon Mobile AnalyticsAmazon SNS Mobile Push

Kinesis Connector DynamoDB Connector S3 Connector SQS ConnectorSES Connector

AWS Global Infrastructure (10 Regions, Availability Zones, 51 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

Cross-platform, Optimized for Mobile



User identity & data synchronizationservice

Store any NoSQL data and also map mobile OS specific objects to DynamoDB tables

Fast cross-platformAnalytics & reportingService

Powerful Cross-platformPush notification service

Recorder that can handle intermittent network connection

Easily upload, download to S3 and also pause, resume, and cancel these operations

Send email reliably from device

Access distributed buffering and queuing service

Fully Integrated AWS Mobile SDK• Common authentication mechanism across

all services

• Automatically handle intermittent network connections

• Cross-platform Support:Android, iOS, Fire OS, Xamarin

• 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

Authenticate users

Authorize access



Synchronize data

Deliver media

Store shared data













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 S3Transfer Manager

Amazon CloudFront(Device Detection)

Store shared dataAmazon DynamoDB(Object Mapper)

Stream real-time dataAmazon Kinesis(Recorder)

Track RetentionAmazon Mobile Analytics

Send push notificationsAmazon SNS Mobile Push

Your Mobile

App

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

GuestDeveloper

AuthenticatedIdentities

Identity Providers

UniqueIdentitiesJoe Anna Bob

Any DeviceAny Platform

Any AWS Service

Helps implement security best practicesSecurely access any AWS Service from mobile device. It simplifies the interaction with AWS Identity and Access Management

Support Multiple Login ProvidersEasily integrate with major login providers for authentication.

Unique Users vs. DevicesManage unique identities. Automatically recognize unique user across devices and platforms.

Amazon Cognito Identity

Mobile Analytics

S3 DynamoDB Kinesis

DeveloperAuthenticated

Identities

Amazon Cognito for Unauthenticated Identities

Unique Identifier for Your “Things”“Headless” connected devices can also securely access cloud services.

Save Data to the CloudSave app and device data to the cloud and merge them after login

Guest User AccessSecurely access AWS resources and leverage app features without the need to create an account or logging in

VisitorPreferences

Cognito Store

Guest

EC2 S3 DynamoDBKinesis

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

Demo: Amazon Cognito Console

Amazon Cognito Security

Set granular access permissions on AWS resourcesGet fine-grained access control to cloud resources.

Safeguard AWS CredentialsNo need to embed credentials in the app anymore. Get least-privileged temporary credentials.

Helps implement security best practicesSecurely access any AWS Service. It simplifies the interaction with Security Token Service and removes the need of Token Vending Machine

EC2 S3 DynamoDB Kinesis

Amazon Cognito Security Architecture

User ID(Temp

Credentials)

DynamoDB

End Users

Developer

App w/SDKAccessto AWS

Services

Cognito Identity Broker

Login OAUTH/OpenIDAccess Token

Cognito ID, Temp

Credentials

S3

Mobile Analytics

Cognito Sync Store

AWS Management

Console

Access TokenPool ID

Role ARNs


Identities

Authorize access: Amazon Cognito + AWS IAM+ Fine-grained access control

Amazon Cognito (Identity Broker)

Identitypool

Identity Providers

Pool of identities that share the same trust policy

Access Policy

Access to AWS

Servicesidentitypool

Unauthenticated Identities

authenticated identities

AWS IAM Roles

AWS Account

Web Identity Federation

S3

DynamoDB

Get Delete Put


Identities

Access Policy for the IAM Role{ "Effect":"Allow", "Action":["s3:*"], "Resource":"*"} { "Effect": ”Deny", "Action": ["dynamodb:*"], "Resource": "*"}

{ "Effect": "Allow", "Action": [”cognito-sync:*"], "Resource": "*"}

AllowActions:

All S3, Sync store Operations

Resource:All resources within these services

DenyActions:

All DDB Operations

Resource:All resources

Access Policy Restriction{ "Effect":"Allow", "Action":["s3:PutObject","s3:GetObject","s3:DeleteObject",

"s3:ListMultipartUploadParts","s3:AbortMultipartUpload"], "Resource":"arn:aws:s3:::BUCKET_NAME/*"} { "Effect":"Allow", "Action":["s3:ListBucket","s3:ListBucketMultipartUploads"], "Resource":"arn:aws:s3:::BUCKET_NAME"}{ "Effect": "Allow", "Action": ["dynamodb:GetItem", "dynamodb:Query", "dynamodb:PutItem"], "Resource" : [ "arn:aws:dynamodb:REGION:123456789:table/TABLE_NAME",

"arn:aws:dynamodb:REGION:123456789:table/TABLE_NAME/index/INDEX_NAME" ]

}

AllowActions:

Certain operations

Resource:One bucket, table ..

Access Policy Restriction

{ "Effect":"Allow”,"Action” ["s3:PutObject","s3:GetObject","s3:DeleteObject”,”s3:ListMultipartUploadParts","s3:AbortMultipartUpload"], "Resource":"arn:aws:s3:::BUCKET_NAME/Bob/*"} { "Effect":"Allow", "Action":"s3:ListBucket", "Resource":"arn:aws:s3:::BUCKET_NAME", "Condition":{"StringLike":{"s3:prefix":”Bob/"}}}{ "Effect":"Allow", "Action":["s3:ListBucketMultipartUploads"], "Resource":"arn:aws:s3:::BUCKET_NAME"}

AllowActions:

Certain operations

Resource:Within a bucket with specific prefix (user)

Access Policy Restriction (Policy Variables)

AllowActions:

All sync operations

Resource:Only to that identity

{"Effect": "Allow”,"Action": ["s3:GetObject”,"s3:PutObject”],"Resource": ["arn:aws:s3:::

myBucket/amazon/snakegame/${cognito-identity.amazonaws.com:sub}"]

}

{"Effect":"Allow","Action":"cognito-sync:*", "Resource":["arn:aws:cognito-sync:us-east-1: 123456789012:identitypool/

${cognito-identity.amazonaws.com:aud}/identity/

${cognito-identity.amazonaws.com:sub}/*"] }

AllowActions:

S3 Get/Put operations

Resource:Only to a specific part of bucket to that identity

Synchronize data across devices : Amazon Cognito (Sync)

What have customers told us about“Synchronized Profile”

People have multiple devices and want to transition between devices. Implementing a user profile that syncs across devices, OS, apps is hard. It not only has to work when offline, but easy to integrate with existing apps.

Amazon Cognito Sync

User Data Storage andSync

Any Platform

iOS/Android/FireOS

Store App Data, Preferences and StateSave 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 OfflineData always stored in local SQLite DB first. Works seamlessly when intermittent or no connectivity

k/v data

Identity pool

Amazon Cognito SyncOffline: The client SDK manages a local SQLite data store to allow the app to work even when connectivity is not available.

Fast: The methods to read and write data only interact with the local SQLite database.

Intelligent Sync: The sync method compares the local version of the data to the cloud sync store, pushes up deltas and pulls down new changes.

Flexible Conflict resolution: The sync method first reads the changes then writes its local changes to the cloud sync store By default Cognito assumes that the last write wins. Developers can override and implement their own conflict resolution programmatically

Local SQLite Cache

Amazon Cognito Sync Data ModelAWS

Account

Identitypool

Dataset

Pool of identities that share the same trust policy

IdentityIdentityIdentity

DatasetDataset

identitypool

Unique identifier across devices, get cached on local devicesas well as saved in the cloud

1:n

1:n

1:n

Dataset synchronized acrossdevices by simply calling dataset.synchronize() method

DatasetDatasetKey/Value

1:n

Key-value and sync count

Amazon Cognito Sync Data Model - ExampleAWS

Account

Identitypool

Dataset

IdentityIdentityIdentity

DatasetDataset

identitypool

1:n

1:n

1:n

Userpreferences

Developer has two apps: a game and a productivity app

Game state

Identitypool1

Productivity App

GameApp

DatasetDatasetKey/Value

1:n

Integrating Cognito Sync functionality is very simple

Initialize the CredentialsProvider and CognitoClient

Call synchronize on the dataset

Create or open Dataset and Add Key Values

provider = new CognitoCredentialsProvider(context, AWS_ACCOUNT_ID, COGNITO_POOL_ID,

COGNTIO_ROLE_UNAUTH, COGNITO_ROLE_AUTH);

cognito = new DefaultCognitoSyncClient(context, COGNITO_POOL_ID, provider);

dataset.synchronize(new SyncCallback(){..});

cognito.openOrCreateDataset(datasetName);dataset.put(key, value);

Integrating Cognito Sync functionality is very simple

Initialize the AWSCognitoSyncClient

Call synchronize on the dataset

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



Deliver media

Store shared data










Your Mobile

App

Authenticate users

Authorize access

Synchronize dataAmazon Cognito (Sync)



Analyze User Behavior: Amazon Mobile Analytics

User Analytics (and Cloud Computing) among top 10 most popular tools

Successful developers use more tools

Developer EconomicsState of the Developer Nation Q3 2014© VisionMobile

What Customers Told Us About “Mobile Analytics”

Developers deeply value user analytics and consider it an integral part of their app development process. They want to monitor their most important metrics in a timely manner, and take action quickly. They would like to own their mobile data, just like they do with any other AWS service.


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

“Easily collect, visualize and understand your app usage data at scale”

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)

Key Business Metrics (with one line of code) 1. Monthly Active Users

(MAU) 2. Daily Active Users

(DAU) 3. New Users, 4. Daily Sessions, 5. Sticky Factor, 6. 1-Day Retention, 7. Avg. Revenue per DAU, 8. Daily Paying Users,9. Avg. Paying DAU

Track Retention

User retention is a key indicator to judge the outcome of a marketing campaign, new feature introduction, UX changes, app updates, etc.

Mobile Analytics provide four charts to track daily or weekly rate of returning users, after first use of the app

Get behavioral insights into app specific actions that your users take

Reports provide a view of how often custom events occur. You can add further context with Attributes and Metrics, to each custom event

Examples

Track the number of Likes/Shares, per article, in a news app

Understand player abort rates per level, in a game

Number of songs played, per user session, in a music app

In-app item popularity in a shopping app

Track Custom Events

Integrating Mobile Analytics is super simple

Initialize the AmazonMobileAnalyticsClient. That’s it! Get Session Activity in the AWS Management Console.

For Custom Events activity reports, add events.

Add OnResume() and OnPause()

analytics = new AmazonMobileAnalytics(provider, context, "SnakeGameAWS”);

EventClient eventClient = analytics.getEventClient();MobileAnalyticsEvent visitEvent = eventClient.createEvent("speedSet");eventClient.recordEvent(visitEvent);

analytics.getSessionClient().resumeSession();analytics.getSessionClient().pauseSession();Analytics.getEventClient().submitEvents();

Integrating Mobile Analytics is super simple

Initialize the AmazonMobileAnalytics object. That’s it! Get Session Activity in the AWS Management Console.

Submit the event. If we don't call submitEvents, events will automatically be submitted at periodic intervals.

Create add Custom Events

[eventClient submitEvents];

id<AWSMobileAnalyticsEventClient> eventClient = analytics.eventClient;id<AWSMobileAnalyticsEvent> level1Event = [eventClient createEventWithEventType:@"level1Complete"];

AWSMobileAnalytics* analytics = [AWSMobileAnalytics defaultAWSMobileAnalyticsWithIdentifier:@"someuniqueid"];

iOS


Deliver media

Store shared data

Stream real-time data







Your Mobile

App

Authenticate users

Authorize access


Synchronize data






Store and share media: Amazon S3

Amazon S3 Connector: Transfer Manager

S3 Connector

Multipart upload media (photos, videos, audio)Fault tolerant download (e.g. assets)No backend requiredAutomatic retriesPause, resume, cancel functionsOptimized for native OS

// 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];

Amazon S3 Connector: Transfer Manager

Store shared data


Send push notificationsBring users back to your app by sendingmessages reliably



Your Mobile

App

Authenticate users

Authorize access


Synchronize data







Deliver media



Authenticate users

Authorize access



Synchronize data

AWS Mobile SDK


Deliver media










Your Mobile

App

Send Push Notifications: Amazon SNS Mobile Push

What Customers Told Us About “Push Notifications”

Sending large-scale push notifications, cross-platform is still hard.

Developers want to be able to reach their customers globally and across all devices.

Each platform works differently, and push gets even more complex as you scale to support millions of devices.

Cloud App

Platform Services Mobile Apps

Amazon SNSCross-

platform Mobile Push

Internet

Apple APNS

Google GCM

Amazon ADM

Windows WNS and MPNS

Baidu CP

Industry’s First!

New!

With Amazon SNS, developers can send push notifications on multiple platforms and reach mobile users around the world

New features:

Message Expiry Time

Message Attributes

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

Developers Love Cross-Platform Features of SNS

Fast reliable notification for every Email received is powered by SNS

Customers love high scale and Reliability of SNS

High-profile Startupstrust SNS for their high-profile launches

Secret.ly

Advanced targeted notificationsbring players back intothe game

Mature games increaseretention using SNS

Launched its AndroidApp with SNS, noprovisioning required

Jetpack Joyride

Fruit ninja

Store shared data


Send push notificationsBring users back to your app by sendingmessages reliably



Your Mobile

App

Authenticate users

Authorize access


Synchronize data







Deliver media



Authenticate users

Authorize access



Synchronize data

AWS Mobile SDK


Deliver media










Your Mobile

App

Collect real-time click-stream data:Amazon Kinesis Mobile Connector

Amazon Kinesis

RedshiftS3Kinesis enabled Apps on EC2

AWS Mobile SDK

Amazon Kinesis Connector for Mobile Apps

For sophisticatedUser Behavior

Analysis

Integrated AWS Mobile SDK

Generic batching system that handles intermittent network connection and also optimize

battery utilization

Summary

Authenticate users

Authorize access



Synchronize data

Deliver media

Store shared data













Your Mobile

App

Authenticate users

Authorize access



Synchronize data

AWS Mobile SDK


Deliver media










Your Mobile

App

Key Takeaways










Integrated SDK

Key Takeaways










Integrated SDK

Cross Platform and Optimized

for Mobile

FlexibilityAnd Freedom

of Choice

Fully integratedand easy to get

started

Amazon Cognito Amazon Mobile Analytics


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!

Simple and predictable pay as you go pricing

Amazon Cognito Amazon Mobile Analytics


Free Tier:1 Million push messages every month

Thereafter:$0.50 for Million notifications delivered$0.50 for Million requests

Free Tier (for first 12 months):1 Million syncs/month + 10GB of storage for Amazon Cognito

Thereafter:$0.15 for 10K Syncs$0.15 per GB for storage

Free Tier:100 Million events every month

Thereafter:$1.00 per Million events

Thank You!

#AWSUGHungary@danilop

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