getFormattedValue for Long

app/src/main/kotlin/info/appdev/chartexample/BarChartActivityMultiDataset.kt

@@ -85,6 +85,10 @@ class BarChartActivityMultiDataset : DemoBase(), OnSeekBarChangeListener, OnChar
             override fun getFormattedValue(value: Float, axis: AxisBase?): String {
                 return value.toInt().toString()
             }
+
+            override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+                return value.toString()
+            }
         }
 
         val leftAxis = binding.chart1.axisLeft

app/src/main/kotlin/info/appdev/chartexample/BarChartPositiveNegative.kt

@@ -81,6 +81,12 @@ class BarChartPositiveNegative : DemoBase() {
             override fun getFormattedValue(value: Float, axis: AxisBase?): String? {
                 return data[min(max(value.toInt(), 0), data.size - 1)].xAxisValue
             }
+
+            override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+                val ma = max(value, 0)
+                val mi = min(ma, (data.size - 1).toLong()).toInt()
+                return data[mi].xAxisValue!!
+            }
         }
 
         setData(data)

app/src/main/kotlin/info/appdev/chartexample/CombinedChartActivity.kt

@@ -79,6 +79,10 @@ class CombinedChartActivity : DemoBase() {
             override fun getFormattedValue(value: Float, axis: AxisBase?): String {
                 return months[value.toInt() % months.size]
             }
+
+            override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+                return months[(value % months.size).toInt()]
+            }
         }
 
         val data = CombinedData()

app/src/main/kotlin/info/appdev/chartexample/LineChartTimeActivity.kt

@@ -83,6 +83,11 @@ class LineChartTimeActivity : DemoBase(), OnSeekBarChangeListener {
                 val millis = TimeUnit.HOURS.toMillis(value.toLong())
                 return mFormat.format(Date(millis))
             }
+
+            override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+                val millis = TimeUnit.HOURS.toMillis(value)
+                return mFormat.format(Date(millis))
+            }
         }
 
         val leftAxis = binding.chart1.axisLeft

app/src/main/kotlin/info/appdev/chartexample/RadarChartActivity.kt

@@ -62,6 +62,10 @@ class RadarChartActivity : DemoBase() {
             override fun getFormattedValue(value: Float, axis: AxisBase?): String {
                 return mActivities[value.toInt() % mActivities.size]
             }
+
+            override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+                return mActivities[(value % mActivities.size).toInt()]
+            }
         }
         xAxis.textColor = Color.WHITE
 

app/src/main/kotlin/info/appdev/chartexample/StackedBarActivityNegative.kt

@@ -74,6 +74,10 @@ class StackedBarActivityNegative : DemoBase(), OnChartValueSelectedListener {
             override fun getFormattedValue(value: Float, axis: AxisBase?): String {
                 return format.format(value.toDouble()) + "-" + format.format((value + 10).toDouble())
             }
+
+            override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+                return format.format(value) + "-" + format.format((value + 10).toDouble())
+            }
         }
 
         binding.chart1.legend.apply {
@@ -218,5 +222,9 @@ class StackedBarActivityNegative : DemoBase(), OnChartValueSelectedListener {
         override fun getFormattedValue(value: Float, axis: AxisBase?): String {
             return decimalFormat.format(abs(value).toDouble()) + "m"
         }
+
+        override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+            return decimalFormat.format(abs(value)) + "m"
+        }
     }
 }

app/src/main/kotlin/info/appdev/chartexample/formatter/DayAxisValueFormatter.kt

@@ -39,6 +39,10 @@ class DayAxisValueFormatter(private val chart: BarLineChartBase<*>) : IAxisValue
         }
     }
 
+    override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+        return getFormattedValue(value.toFloat(), axis)
+    }
+
     private fun getDaysForMonth(month: Int, year: Int): Int {
         // month is 0-based
 

app/src/main/kotlin/info/appdev/chartexample/formatter/MyAxisValueFormatter.kt

@@ -10,4 +10,8 @@ class MyAxisValueFormatter : IAxisValueFormatter {
     override fun getFormattedValue(value: Float, axis: AxisBase?): String {
         return mFormat.format(value.toDouble()) + " $"
     }
+
+    override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+        return mFormat.format(value) + " $"
+    }
 }

app/src/main/kotlin/info/appdev/chartexample/formatter/YearXAxisFormatter.kt

@@ -13,4 +13,8 @@ class YearXAxisFormatter : IAxisValueFormatter {
         val percent = value / axis!!.mAxisRange
         return months[(months.size * percent).toInt()]
     }
+
+    override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+        return getFormattedValue(value.toFloat(), axis)
+    }
 }

chartLib/src/main/kotlin/info/appdev/charting/formatter/DefaultAxisValueFormatter.kt

@@ -35,4 +35,8 @@ open class DefaultAxisValueFormatter(digits: Int) : IAxisValueFormatter {
         // avoid memory allocations here (for performance)
         return decimalFormat.format(value.toDouble())
     }
+
+    override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+        return decimalFormat.format(value)
+    }
 }

chartLib/src/main/kotlin/info/appdev/charting/formatter/IAxisValueFormatter.kt

@@ -15,4 +15,6 @@ interface IAxisValueFormatter {
      * @param axis  the axis the value belongs to
      */
     fun getFormattedValue(value: Float, axis: AxisBase?): String?
+
+    fun getFormattedValue(value: Long, axis: AxisBase?): String
 }

chartLib/src/main/kotlin/info/appdev/charting/formatter/IndexAxisValueFormatter.kt

@@ -37,4 +37,11 @@ open class IndexAxisValueFormatter : IAxisValueFormatter {
             values[index]
     }
 
+    override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+        return if (value < 0 || value >= values.size)
+            ""
+        else
+            values[value.toInt()]
+    }
+
 }

chartLib/src/main/kotlin/info/appdev/charting/formatter/LargeValueFormatter.kt

@@ -41,6 +41,10 @@ open class LargeValueFormatter() : IValueFormatter, IAxisValueFormatter {
         return makePretty(value.toDouble()) + text
     }
 
+    override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+        return makePretty(value) + text
+    }
+
     /**
      * Set an appendix text to be added at the end of the formatted value.
      */
@@ -78,4 +82,16 @@ open class LargeValueFormatter() : IValueFormatter, IAxisValueFormatter {
         return decimalFormat
     }
 
+    private fun makePretty(number: Long): String {
+        var decimalFormat = decimalFormat.format(number)
+        val numericValue1 = Character.getNumericValue(decimalFormat[decimalFormat.length - 1])
+        val numericValue2 = Character.getNumericValue(decimalFormat[decimalFormat.length - 2])
+        val combined = Integer.valueOf(numericValue2.toString() + "" + numericValue1)
+        decimalFormat = decimalFormat.replace("E[0-9][0-9]".toRegex(), suffix[combined / 3])
+        while (decimalFormat.length > maxLength || decimalFormat.matches("[0-9]+\\.[a-z]".toRegex())) {
+            decimalFormat = decimalFormat.substring(0, decimalFormat.length - 2) + decimalFormat.substring(decimalFormat.length - 1)
+        }
+        return decimalFormat
+    }
+
 }

chartLib/src/main/kotlin/info/appdev/charting/formatter/PercentFormatter.kt

@@ -32,6 +32,8 @@ open class PercentFormatter : IValueFormatter, IAxisValueFormatter {
         return decimalFormat.format(value.toDouble()) + " %"
     }
 
-    val decimalDigits: Int
-        get() = 1
+    override fun getFormattedValue(value: Long, axis: AxisBase?): String {
+        return decimalFormat.format(value) + " %"
+    }
+
 }