Presentation user-evaluation

PicAroundDanilo Bernardini

Federico CroceRiccardo Di Stefano

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Contacts and Links

Pervasive Systems 2016-2017

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https://github.com/gitRiky/PicAround

[email protected]

https://www.slideshare.net/RiccardoDiStefano5/presentation-userevaluation

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https://github.com/gitRiky/PicAround

mailto:[email protected]




Survey


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• We prepared a Google Form to ask people what they think about PicAround

• The Form has 10 easy questions

• We shared the Form on Facebook in order to reach as many people as possible

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How old are you?


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How many trips do you take a year? (1-day trips included)


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Do you usually have an internet connectionon your mobile, when you are abroad? (no WiFi)


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How do you like taking pictures on your holidays?


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Where do you usually store/share your pictures?


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How do you choose your shots?


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How much would you use an application that suggests picture spots to you?


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Would you like to see pictures shot by other users in the places you visit?


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What kind of pictures do you usually take?


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In-depth analysis of data


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Interviews

• 6 people:• Matteo, Mara, Christian, Jurgen, Sophie, Lorenzo

• Explanation of the idea

• Presentation of the mockups


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Interviews

• 5 people really like the idea

• Matteo instead said: “Usually I don’t take pictures and I won’t use this application. However I appreciate the social part”


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Mockups


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Login

Main

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Mockups


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PointView

PointDetails

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Mockups


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UploadPhoto

PhotoDetails

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Interviews

• Nobody easily found how to take and upload a picture

• Mara, Jurgen, Lorenzo and Sophie suggested us a shortcut button in the main page


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Interviews

• “I really like how Instagram allows you to publish photos on different social networks at the same time, you could think about it” (Christian)


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Interviews


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• “What if I want to see photos of a particular user? Can I do that?” (Mara)

• “Can I see photos taken by other users”? (Sophie)

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Interviews


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• We asked them: “Having available the Google and Facebook login, would you use an ad-hoc one?”

• Everybody says “no” – “Google login is quicker” (Jurgen)

– “I don’t like to remember another password” (Lorenzo)

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Final Mockups


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Login

Main

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Final Mockups


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PointView

PointDetails

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Final Mockups


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UploadPhoto

PhotoDetails

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Final Mockups


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User

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Technologies


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Technologies


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Firebase


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● Single platform for many backend services

● Quick and easy implementation

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Authentication


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● Complete authentication system that supports Google,

Facebook, Twitter, GitHub and email/password sign-in

● Account linking: unique UID for different providers

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Realtime database


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● NoSQL database, data is stored as JSON

● Data synchronization across connected devices

● Local copy of data available offline, automatically

synchronized when connection is available

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Storage


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● Secure client side authorization, integrated with

Firebase Authentication

● Resumable uploads and downloads, resilient to changes

in network connectivity

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Cloud functions


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● Run mobile backend code without managing servers

● Functions respond to events generated by other Firebase

features, such as Authentication, Realtime Database,

Cloud Storage, or can be triggered by HTTP requests

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Software

Presentation user-evaluation