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Android Build a Weather App (2015) Hooking Up the Model to the View Wrapping Up

Posted by MIK Agency
MIK Agency
22,496 Points

How can I transform the grade from fahrenheit to celcius in the app called Build a weather app.

I want to transform from Fahrenheit to Celcius how it is possible

3 Answers

Stephen Goodwin
Stephen Goodwin
5,479 Points
Stephen Goodwin
Stephen Goodwin
5,479 Points

Personally I would add a line in the getTemperature in the CurrentWeather.java This line converts the decimal F to a decimal C then rounds the C to a whole number.

public int getTemperature() {
     mTemperature = ((mTemperature -32)*5)/9;
     return (int)Math.round(mTemperature);
}
Axel McCode
Axel McCode
13,869 Points
Axel McCode
Axel McCode
13,869 Points

Hi Mik!

I made a small method that takes in the int value of the temperature in Fahrenheit and returns the value in degrees Celsius. Hope this helps :)

public int toCelsius(int fahrenheit) {
return ((fahrenheit - 32)*5)/9;
}
wajd tohme
wajd tohme
10,240 Points
wajd tohme
wajd tohme
10,240 Points

add a units query parameter to the forecast URL with a value of si, like this: "https://api.forecast.io/forecast/"+apiKey+ "/"+latitude+","+longitude+"?units=si"; this will return all data in si units, including celsius for temperature.

David Gómez
David Gómez
4,389 Points
David Gómez
David Gómez
4,389 Points

Thanks for posting that reply, I was trying to do the same and the forecast.io API documents indicate the options, but I didn't know where to put the query parameter.