Body-Worn Camera UI Design

This project is focused on designing an Android operating system user interface for a Body-Worn Camera. 

A body-worn camera is a wearable audio, video, or photographic recording system used to record events in which police officers or other law enforcers are involved. They are typically worn on the torso of the body on the officer’s uniform camera is used by law enforcement’s first responders, such as police officers and highway patrol and corrections officers, to document incidents as they are happening.


The body-worn camera also helps build a relationship with the community by providing a higher level of trust in law enforcement that everything that transpires is recorded, discourages escalation during an incident and can be used as evidence. 

The features required for this project are:

  • Video Capture
  • Pre-buffering Event Capture
  • Photo Capture
  • System Notifications
  • Voice Note Capture
  • Media Tagging and Integrated Metadata
  • Media Access & Management
  • Real Time Broadcasting

 

PRODUCT DESCRIPTION

The product I designed this interface app for is the Motorola Si500 Body-Worn Camera.

The product requirements are: 

  • Android OS
  • Device with a 3.2” (360×640 px) touch screen display
  • Physical Controls:
    – Push to Talk button
    – Power Button
    – Volume Toggle
    – 2 Programmable Buttons
    – Emergency Button
    – Video Record Slider

    The 2 programmable buttons are designated as the photo capture and voice note capture.

 

 

Please note: This project is NOT sponsored by Motorola. It was assigned to our class as an example.
Click here for more info.

 

PROCESS

I began the process by doing secondary research on the body-worn cameras so I could get familiarized with the product, it’s features, and the pros and cons of the product itself, as well as to determine the best way to create an interface for it. 

The goal for this interface is to be an intuitive, simple design, that is easy for the user to navigate. 

After the secondary research, the following exercises were done to continue the process:

  • Concept Map
  • Task Flows
  • User Flows
  • Site Map
  • Sketches
  • Wireframes with annotations
  • Prototype

 

CONCEPT MAP
A concept map is a visual organization and representation of knowledge. It shows concepts and ideas and the relationships among them.

The concept map was created to give me an idea of what kinds of things can be done with a body-worn camera, what functions are related, what needs to be included, what is essential and what has to be considered when approaching the user interface design.

TASK FLOWS
A task flow diagram shows how users travel through the system while performing a specific task. Task flows tend to be linear, showing the high-level steps that a person would take to get to a specific goal or endpoint. 

Following the Concept Map, I created some task flows which then were worked on to become User flows. Below are some examples of the tasks to be completed:

  • Turn device on/off
  • Change volume up/down
  • Send/Cancel Emergency Signal
  • Receive emergency alert/view who is sending the alert
  • Start/Stop/Review and Upload video and audio recording
  • Take/View and Upload pictures
  • Search for an event capture
  • Append captures
  • View/Dismiss System Notifications
  • View device indicators

 

Click here for Full Task Flow Documentation

 

USER FLOWS
User flow is the path taken by a prototypical user on a website or app to complete a task. The user flow takes them from their entry point through a set of steps towards a successful outcome and final action, such as purchasing a product.

After the Task Flows, I produced user flows that guide the process of the user actually using the device and getting specific tasks completed including the user’s behavior, decision points, how the device indicators show, and optional routes to achieving the task.

Click here for Full User Flow Documentation

 

SITE MAP
A site map is a list of pages of a interactive application.
After creating and going over the requirements and refining the User Flows, I designed the site map that shows the screens that will appear on the device. As my design evolved, there were various iterations of the site map. 

1ST ITERATION
– The screens were laid out as a website hierarchy with a video, photo and voice note appeared as the main buttons on the UI
– During class discussion and a Site Map exercise, this changed dramatically

2ND ITERATION
– The screens were now better organized, now showing a different hierarchy and a bit more simplified.
– Modals are now more visible

FINAL ITERATION (below)
Screens are more detailed and the Annotation reference numbers were added.

Click here to view all Site Map iterations.

 

SKETCHES

Inspired by the final iteration of the site map, I started designing rough sketches of the home page. These sketches were discussed with the client and after learning about the main uses for this, the process brought on many changes to the initial design.

I decided to rethink the screens after this previous client meeting and developed a more simplified UI. The main screen would function as a way to access the media and the system settings as well as have a preview of the last captured video or photo.

View all sketches here.

 

ANNOTATED WIREFRAMES

The following pages are the annotated wireframes for my design. These wireframes convey the structure of each screen, the content and the actions and behaviors the user might expect from each button. The labels on each screen corresponds to the final site map.

Full documentation to Annotated Wireframes.

FINAL DESIGN

The following pages are the screenshots of my final design. The final screens follow the wireframes very closely. It was a great exercise to do the wireframes and see them transform with images and colors and see how the transitions from each screen works in the interface. I used an Android UI kit to make the design follow the look and feel for that operating system.

 

PROTOTYPE

https://invis.io/65UG9FPHJSM

 

 

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BODY-WORN CAMERA UI DESIGN

BODY-WORN CAMERA UI DESIGN

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    • InVision Prototyping
    • Photoshop
    • XD
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