E0-245: ASP

Lecture 1: Basic Setup

Dipanjan Gope

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Dipanjan Gope

• Mobile apps vs. desktop software

• Statistics of smart-phone usage

• History of Android

• Examples of popular Android applications

• Android architecture and building blocks

• Android setup on laptop

Module 0: Basic Setup

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Dipanjan Gope

• https://www.udacity.com/course/ud853: Udacity – “Developing Android Apps”

• http://dazeinfo.com/2014/06/22/smartphone-apac-market-forecast-2014-2018-india-china-australia-japan-growth/

• http://dazeinfo.com/2014/07/11/mobile-internet-india-2014-349-million-unique-mobile-phone-users-70-traffic-mobile-india-shining-infographic/

• http://www.slideshare.net/kleinerperkins/internet-trends-2014-05-28-14-pdf

• ++

References

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• Battery Life

• Low Processing Power

• Limited RAM

• Smaller screen sizes

• Data Connections: Intermittent/low bandwidth, high latency

Mobile vs. Desktop Software

https://www.udacity.com/course/ud853: Udacity – “Developing Android Apps”

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• Penetration of mobile: ubiquitous

• Availability of sensor information:

- multimedia: camera, microphone, speaker

- physical: accelerometer, gyroscope, barometer,

light and proximity sensor

- position: GPS, maps

Mobile vs. Desktop Software

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Statistics

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Consumer Electronics Statistics

http://www.slideshare.net/kleinerperkins/internet-trends-2014-05-28-14-pdf

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User Penetration Statistics

http://www.slideshare.net/kleinerperkins/internet-trends-2014-05-28-14-pdf

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Android Market

http://www.slideshare.net/kleinerperkins/internet-trends-2014-05-28-14-pdf

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India Market Figures: Overview

http://dazeinfo.com/2014/07/11/mobile-internet-india-2014-349-million-unique -mobile-phone-users-70-traffic-mobile-india-shining-infographic/

349 million unique users

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Dipanjan Gope

India Market Figures: Mobile

http://dazeinfo.com/2014/07/11/mobile-internet-india-2014-349-million-unique -mobile-phone-users-70-traffic-mobile-india-shining-infographic/

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Dipanjan Gope

India Market Figures: Smart Phone

http://dazeinfo.com/2014/07/11/mobile-internet-india-2014-349-million-unique -mobile-phone-users-70-traffic-mobile-india-shining-infographic/

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Dipanjan Gope

Indian Market Figure: Applications

http://dazeinfo.com/2014/07/11/mobile-internet-india-2014-349-million-unique -mobile-phone-users-70-traffic-mobile-india-shining-infographic/

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Dipanjan Gope

India Market Figure: Projection

http://dazeinfo.com/2014/06/22/smartphone-apac-market-forecast-2014-2018-india-china-australia-japan-growth/

2014: 150 million smart phones 2018: 300+ million smart phones

An application can potentially double it’s income in 4 years

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What is Android?

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• OS + Middleware + Apps

• Linux-based

• Open-Source

• Built for touchscreen actions like swipe, tap, pinch, reverse-pinch

• Developed by Open Handset Alliance (OHA) led by Google

What is Android?

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History of Android

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History of Android

2003

Android Inc. Andy Rubin

2005

Google Acquisition

2007

OHA

2008

HTC Dream

2013

1 billion devices

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Android Versions

http://en.wikipedia.org/wiki/Android_version_history

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Popular Android Applications

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Popular Android Apps

https://play.google.com/store/apps/collection/topselling_free?hl=en

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Instagram

2010

Launched

2012

100 million users 13 employees $1 billion acquisition

2011

15 million users 3 Engineers

http://www.slideshare.net/iammutex/scaling-instagram

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Instagram

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Some apps from NICE:

HealthyMe

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Prof. Rosling: Wealth and Health of Nations

http://www.gapminder.org/

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Life Expectancy Trend

http://www.gapminder.org/

Water Treatment Regulations

Role of contaminated water in spreading diseases

Antibiotics

Small Pox Vaccine

Polio Vaccine

Better lifestyle, Preventive care, and Early Detection are key to Healthy Living

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Dipanjan Gope

HealthyMe

Personalized Health Monitoring using Mobile Sensors - “Maintenance Required” indicator for Health

Regular Monitoring

Predictive Analytics, Health Score

Electronic Medical Records

Continuous Health Monitoring not only Enables Early Detection but also Motivates Healthy Habits and Living

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What if the waiting room …

Height Weight

Temperature Pulse Blood Pressure

Medical history

Pallor, Icterus, Cyanosis …

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Is replicated in your home !!!

Mobile Interface

Sensors in Mobile Devices to Aid Regular Monitoring

Cloud Backend

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Pulse Detection from Mobile Phone

Video Recording Face Recognition RGB Components

ICA Analysis FFT Pulse From Spectrum

Pre-processing - Detrend - Zscore

Post-processing - Smooth - Bandpass Filter - Spline

M.Z. Poh, D.J. McDuff, R.W. Picard, Opt Express. 18(10) pp. 10762–10774, 2010.

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Accuracy Worsens With Distance

0.4 0.6 0.8 1 1.2 1.4 1.6 1.8

x 104

-2.5

-2

-1.5

-1

-0.5

0

0.5

Total Pixel Size of Detected Face

log

10

(Err

or)

WebCam Results

MTLB_dtrnd_schm1

MTLB_dtrnd_schm2

MTLB_dtrnd_schm3

TRVN_dtrnd_schm1

TRVN_dtrnd_schm2

TRVN_dtrnd_schm3

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Dipanjan Gope

Heart Rate Detection

0 0.5 1 1.5 2 2.5

x 105

-0.5

0

0.5

0 0.5 1 1.5 2 2.5

x 105

0

0.005

0.01

0 20 40 60 80 100 120 140 160 180 2000

200

400

80.7495 Hz

Recorded Heart Sound:

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Color Variation Symptom Checker

• Pallor (reduction in redness) - Anemia, Mal-nutrition, TB

• Icterus (increase in yellowness - bilirubin) - Hepatitis

• Cyanosis (lack of oxygen in the blood) - Pneumonia, Asthma, COPD

Mobile Phone Sensor: Camera

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Emergency Care

Accelerometer/Gyroscope

GPS

Email/SMS

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Some apps from NICE:

Ourum

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Ourum

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Ourum