1. Take your Android apps offline via SMS
delight
people
By Pranay Airan (@pranayairan) & Gopi Krishnan(@gkrishnan)

2. Most of the connected people of the world have
only a mobile phone without a data plan
Global approximations India Example
Broad-
band Inter- Internet
Highly users net + mobile
connected ~15M users data plan
5-10% ~100 users
~400M
Mobile
phone
users
~900 Total
Connected Area of M population
40-50% focus
~1.2 B
Not
connected
40-55%
Short Message Service (SMS) is the most widely used service by the connected population
of the world, with 2.4B active users, or 74% of all mobile phone subscribers
Note: Rough approximations to explain the concept. Information is directionally correct
Source: Internet & Mobile Association of India, 2012; Wikipedia
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3. LET’S SEE SOME APPS
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4. App demo : Low Price app
• Scans a bar code on the book
• Finds out it’s lowest price across vendors
• Works without any Wi-Fi as well !!
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5. App demo : Twitter app
• Simple Twitter app which gets Twitter feeds based on hashtags
• Code walk through and demo of how to build an app which
works without Wi-Fi connection (via SMS)
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6. Let’s see how we do it
Search/json
API
Search/json
SMS Wrapper
SMS
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7. Android App
Let see Some code
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8. API
API
https://dev.twitter.com/docs/api/1/get/search
https://search.twitter.com/search.json?q=%23droidcon
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9. SMS PHP code
SMS Wrapper
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10. What is txtWeb ?
A global platform that enables:
1. Users to discover and consume bite-size textual services on-demand, and,
2. Developers and businesses to acquire and engage users on any mobile
device through simple text-based apps
Highlights:
• Simple, easy, open API
• Platform is programming language agnostic (use what you fancy – Java, PHP,
Perl, Python)
• Platform provides SMS ⇌ HTTP transformation
– Makes developer’s life simple for delivering web app over SMS
– Developer focuses on building an HTTP based app
– No coding work to “integrate” with txtWeb platform
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11. User sends User receives
Sanskrit ( ), is a
historical Indo-Aryan language
@wiki sanskrit and the primary liturgical
language of Hinduism, Jainism
and Buddhism.
Welcome to Bus Routes App!
@droidconin Reply with the following:
@bus <from, to>

12. txtWeb Platform – How it works
High level architecture
Phone txtWeb
SMS SMS HTTP Internet HTTP
Carrier Platform
Developer
APP
txtWeb platform enables creation and consumption of
interlinked information through SMS
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13. Let’s see how we do it on txtWeb
• Live demo on : http://developer.txtweb.com
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14. txtWeb on Android
• Android app Demo
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15. Questions
Get In touch with us
Visit our Booth outside to know more about the
android app and txtweb
You can reach us @ pranay_airan@intuit.com and
"
gopi_nambiar@intuit.com
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16. Appendix
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