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Senior Division
Kanech, Grevenmacher, Luxembourg
App Inventor

One Click Safety

One Click Safety is a student-developed app. Its idea is to make users feel and be safer with only one click. Our app includes three buttons. The first button starts a loud alarm that can only be switched off by entering their chosen passcode. The second sends the users location to the person’s emergency contacts with a pre-configured message telling them the user is in potential danger. The last button automatically takes a picture from both the back and front cameras and sends them to the user’s emergency contacts and saves the pictures on the user’s device.

Picsart 03 27 06.10.03
Picsart 03 27 06.10.52
Picsart 03 27 06.11.18

Regional Pitch Events

Virtual judging teams do not upload presentation slides

L.A.S.H. earned 10 points for their code checklist.

Technical Components

We used strings
We used a string to set and let the user edit the emergency message.
We used numbers
We used a number to see if the password had four characters or not.
We used variables
We used a variable called contacts that included a list with the user´s emergency contacts.
We used lists
We stored the user´s emergency contacts in a list.

Databases and Connectivity

We used local db
We save the user´s emergency contacts here.

Mobile Features

We used sms phone
We used text messaging to send the user´s emergency contacts an emergency message.

Pictures of the process

Paper prototype
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Event flow chart
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