flutter_vehicle_pollution

Note : This is the project, which was submitted to the contest 'Flutter Create'

A Flutter application that calculates CO2 emission of vehicles and tells whether you need to take care

This is a basic Flutter Application, which calculates your vehicle's CO2 emission in a year...

How to use

• Run the application

• Provide the asked details

  • Select the type of the fuel of your vehicle
  • Enter how many kilometers the vehicle was driven last whole year
  • Enter mileage (kilometers / unit of fuel)
  • At last, provide no. of people that share this vehicle(drive OR use this vehicle)

• Now click on Calculate. It will show you your CO2 emission in the past year of your selected fuel.

• NOTE : In kilometers, give TOTAL kilometers the vehicle was driven, (NOT only by you, by all the people that share it)

• The program will use the given values along with the parameters of the fuel, and give CO2 emission (in tonnes) by each person that share that vehicle.

• It will show an animated green checkmark if you have done less pollution, otherwise will show a red cross mark.

Features

• Google's material design components
• Supports both orientations: ListView in portrait, GridView in horizontal
• Form validations
• Flare animations for low and high pollutions
• Supported fuels: Diesel, Petrol, CNG, LPG
• Most important, the .dart source code is less than 5KB! (Only 5104 bytes)

Credits

• App icon and Splash screen icon
• Background image
• Population data
• Population data
• Worldwide pollution data
• Most important: How I calculated the CO2 emission
• Flare animation 1
• Flare animation 2

Notes

• For constructing the formula, I took the world's population as 37.1 billion people in the year 2018
• And I took 7.6 billion ton CO2 emission globally in the year 2018 by all vehicles
• So, we can take 4.8816 ton CO2 emitted per person in 2018 (approx.)

Troubleshooting

• This was developed on Windows system. But when I tried to open this project in macOS and vice versa, it gave me an error.
• As a workaround, delete the '.packages' file in the project directory(it will be a hidden file) to get it working
• Another bug I faced was in flare_flutter package. It was not animating, just displaying. As a workaround, delete the flare_dart and flare_flutter packages in the flutter's cache (in system, not the project) and re-run the project