bar Chart legend always show one label

[devssun]

What did you do?

ℹ Please replace this with what you did.
Hello, I use this library for bar Chart.
I want show legend equal bar chart data count. bar is show nice, but legend label is just show one label.
many googling but I can't found it.
plz how can I show legend label equal bar data count?

What did you expect to happen?

ℹ Please replace this with what you expected to happen.

What happened instead?

if I show bar data 4, then legend show 4
◼︎ data1 ◼︎ data2 ◼︎ data3 ◼︎ data4

ℹ Please replace this with of what happened instead.

Charts Environment

Charts version/Branch/Commit Number: 3.0.3
- Xcode 9 and Swift 3.2 support Version
Xcode version: 9.2
Swift version: 3.2
Platform(s) running Charts: iOS 10
macOS version running Xcode: 10.12.6

Demo Project

ℹ Please link to or upload a project we can download that reproduces the issue.
breedStatusChart.xAxis.valueFormatter = IndexAxisValueFormatter(values: (showChartData["key"]?.displayName)!)

func setBarCharts(dataPoints: [String], values: [Double]) -> BarChartData {
        var dataEntries: [ChartDataEntry] = []
        for i in 0..<dataPoints.count {
            let dataEntry = BarChartDataEntry(x: Double(i), y: values[i])
            dataEntries.append(dataEntry)
        }
        
        let barChartDataSet = BarChartDataSet(values: dataEntries, label: nil)
        barChartDataSet.colors = tempColor()
        
        let barChartData = BarChartData(dataSet: barChartDataSet)
        barChartData.barWidth = 0.6
        
        let pFormatter = NumberFormatter()
        pFormatter.numberStyle = .none
        pFormatter.maximumFractionDigits = 1
        pFormatter.multiplier = 1
        barChartData.setValueFormatter(DefaultValueFormatter(formatter: pFormatter))
        barChartData.setValueFont(.systemFont(ofSize: 12))
        barChartData.setValueTextColor(.black)
        return barChartData
    }

[devssun]

I solved like this

var dataEntries: [BarChartDataSet] = []
        
        for i in 0..<dataPoints.count {
            let dataEntry = BarChartDataSet(values: [BarChartDataEntry(x: Double(i), y: values[i])], label: dataPoints[i])
            dataEntry.colors = [barColor[i]]
            dataEntries.append(dataEntry)
        }
        
        let barChartData = BarChartData(dataSets: dataEntries)