How to use the following data to populate the tableVIew cells?

Question

I am a beginner to iOS development and I am working on a weather app. I am trying to find any solution to the following problem for 3 days now but no clues. So please help me on this.

The problem is How do I use the data fetched from the code below to populate the tableViewCells ?

//TODO: get 3 day forecast
func getWeather() {
    let params: [String:String] = ["q": place!, "appid": APP_ID]
    Alamofire.request(WEATHER_URL ,method: .get, parameters: params).responseJSON { (response) in
        let result = JSON(response.result.value!)
        print(result)
    }
}

func updateTable( json: JSON) {
    print(json["list"].count)
    for i in 0...json.count - 1 {
        self.weatherObject.date = json["list"][i]["dt_txt"].stringValue
        self.weatherObject.temp = json["list"][i]["main"]["temp"].intValue
        self.weatherObject.weather = json["list"][i]["weather"][0]["main"].stringValue
        print(weatherObject.date)
        forecastDate.append(weatherObject.date)
        forecastTemp.append(weatherObject.temp)
        forecastWeather.append(weatherObject.weather)
        print(forecastDate[i])
        print(forecastTemp[i])
        print(forecastWeather[i])
    }
}

weatherObject is an object of weather class that I have created to structure the weather data.

This is really very confusing since whenever I try to pass the arrays that are: forecastWeather, forecastDate, forecastTemp into tableView delegate and datasource methods , there are actually no values in there. Is there any way to sort out this coding problem?

Answer 1

Just save the result into array of structs or classes in your UIViewController. Then implement the following methods:

func numberOfSections(in tableView: UITableView) -> Int {
    return 1
}

func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return yourArray.count
}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    let cell = tableView.dequeueReusableCell(withIdentifier: "providerCell", for: indexPath) as! YourTableViewCell
    // set your data to cell

    return cell
}

In your ViewController, when the data download is completed call tableView.reloadData() .

I recommend you to find some tutorial for example https://www.ralfebert.de/ios-examples/uikit/uitableviewcontroller/ .