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====== Activity Classification ======

**Kelvin Zhu** and **Gary Sham**

===== Goals =====

  - iOS app to collect telemetry information
  - data mining and classification of activities from the telemetry

===== iOS App =====


Kelvin Zhu's Hello World program

It is pretty easy to build a single-view iphone/ipad application building view-based project using xcode. After building the project, we can add buttons, labels, text(for input or output) and even pictures onto the view using interface builder.

There are two basic kinds of objects, outlet and action, to realize all the functions for ipod application. Outlet is like variable while action like function. So, to store the input or output for an ipod application, we should use outlet while using action when to implement buttons. We can easily write some objective-c code and link the cotent to all items you've built in interface builder, through which, the objects shown in applications can be linked with the codes written.

|                     ^ Sensors   ^ Location ^Connectors and input/output ^
^ iPhone 4 | Three-axis gyro\\ Accelerometer\\ Proximity sensor\\ Ambient light sensor| Assisted GPS\\ Digital compass\\ Wi-Fi\\ Cellular | 30-pin dock connector\\ 3.5-mm stereo headphone minijack\\ Built-in speaker\\ Microphone |
^ iPhone 3GS | Accelerometer\\ Proximity sensor\\ Ambient light sensor| Assisted GPS\\ Digital compass\\ Wi-Fi\\ Cellular | 30-pin dock connector\\ 3.5-mm stereo headphone minijack\\ Built-in speaker\\ Microphone\\ SIM card tray |
^ iPhone 3G | Accelerometer\\ Proximity sensor\\ Ambient light sensor|  | 30-pin dock connector\\ 3.5-mm stereo headphone minijack\\ Built-in speaker\\ Microphone\\ SIM card tray |
^ iPad | Accelerometer\\ Ambient light sensor|  Wi-Fi\\ Digital compass\\ Assisted GPS (Wi-Fi + 3G model)\\ Cellular (Wi-Fi + 3G model) | Dock connector port\\ 3.5-mm stereo headphone jack\\ Built-in speaker\\ Microphone\\ Micro-SIM card tray (Wi-Fi + 3G model only) |
^ iPad2 | Three-axis gyro\\ Accelerometer\\ Ambient light sensor|  Wi-Fi\\ Digital compass\\ Assisted GPS (Wi-Fi + 3G model)\\ Cellular (Wi-Fi + 3G model) | Dock connector port\\ 3.5-mm stereo headphone jack\\ Built-in speaker\\ Microphone\\ Micro-SIM card tray (Wi-Fi + 3G model only) |



Sensor attributes
Location <CLLocation>

altitude: for getting the height, just like the altitude in geography. Measured by meter
coordinate(latitude, longitude): just same as those in geography. 
For latitude, the range should be [-90(south pole), 90(north pole)].
For longitude, the range should be [-180(west of the prime meridian), 180(east of the prime meridian)]

===== Telemetry Mining =====
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