Take your app offline via sms
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90% of Indians are on mobile phones with no Internet - which is about 600M users approximately. We want to help you tap into this audience via SMS serving the info and services your android app provides. In this talk we are hoping to demo how any android app built can be made to serve information without the need of expensive data plans, with SMS when offline. This session was presented in Drodicon 2012 http://funnel.hasgeek.com/droidcon2012/577-take-your-android-app-offline-with-sms
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Take your app offline via sms
- 1. Take your Android apps offline via SMS By: Pranay Airan (@pranayairan) & Gopi Krishnan(@gkrishnan)
- 2. Agenda Why going offline is necessary? Demo of apps doing this today Understanding how the offline behavior is achieved Android app code walk through SMS wrapper code and platform(txtWeb) walkthrough txtWeb Android app demo By @pranayairan & @gkrishnan
- 3. Most of the connected people of the world have only a mobile phone without a data plan Global approximations Global approximations India Example India Example Broad- band Inter- Highly users net Internet+ connected ~15M users~1 mobile 5-10% 00M data plan users Mobile ~400 M phone users Connected Area of ~900 M 40-50% focus Total population ~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 By @pranayairan & @gkrishnan
- 4. Let’s see some apps! By @pranayairan & @gkrishnan
- 5. App demo : Low Price app • Scans a bar code on the book • Finds out it’s lowest price across vendors • Works with or without Wi-Fi via SMS!! By @pranayairan & @gkrishnan
- 6. App demo : Twitter app • Simple Twitter app to search on hashtags • Same app functionality both online as well as offline By @pranayairan & @gkrishnan
- 7. Let’s see how we do it Search/json API SM S Search/json SMS Wrapper SMS By @pranayairan & @gkrishnan
- 8. 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 Platform Highlights: •Simple, easy, open API •Platform is programming language agnostic •Platform provides SMS ⇌ HTTP transformation •No coding work to “integrate” with txtWeb platform By @pranayairan & @gkrishnan
- 9. User sends User receives Sanskrit (संसकृ तम्), is a historical Indo-Aryan language and the primary @wiki sanskrit liturgical language of Hinduism, Jainism and Buddhism. Welcome to Bus Routes @busroute App! Reply with the following: @bus <from, to> SMS @wiki sanskrit to 9243342000 to see this in action! By @pranayairan & @gkrishnan
- 10. txtWeb Platform – Example Step 3: HTTP Step1: SMS to 92433 42000 Request: GET Message: @droidcon Step 2: Accepts URL:/droidcon? Step 4. App #droidcon keyword and invokes Message=droidcon Specific logic Mobile number : the App URL & Mobile hash: 9991211212 <hash> Developer App txtWeb Platform Phone SMS SMS HTTP Internet HTTP Carrier Step 6: Twitter feed Step 5: HTTP Externally Received as SMS RESPONSE: 80 Hosted <html> twitter Environment feed</html> By @pranayairan & @gkrishnan
- 11. Let’s see how we do it Search/json API SM S Search/json SMS Wrapper SMS By @pranayairan & @gkrishnan
- 12. Let’s see how we do it on txtWeb http://developer.txtweb.com By @pranayairan & @gkrishnan
- 13. Create a new service By @pranayairan & @gkrishnan
- 14. Block your service name By @pranayairan & @gkrishnan
- 15. Enter your service App URL By @pranayairan & @gkrishnan
- 16. Test service on emulator/mobile By @pranayairan & @gkrishnan
- 17. Enter description By @pranayairan & @gkrishnan
- 18. Publish & Go Live ! By @pranayairan & @gkrishnan
- 19. txtWeb On Android Come & check it out at the Intuit booth outside -Access any app or information within seconds -No remembering keywords -No typing -Works online as well as offline -Easy and intuitive to use Drop by, express your interest and when we launch our beta version - you’ll be the first to know!! By @pranayairan & @gkrishnan
- 20. Thank you! … Any questions we can answer?? You can reach us @ pranay_airan@intuit.com and gopi_nambiar@intuit.com By @pranayairan & @gkrishnan