TimeBar Float

XAxis label rotation

Author: hannesa2

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

@@ -101,17 +101,17 @@ class TimeBarActivity : DemoBase(), OnSeekBarChangeListener {
 
     private fun setData(count: Int) {
         val barWidth = 9f
-        val spaceForBar = 10.0
-        val values = ArrayList<BarEntryDouble>()
+        val spaceForBar = 10.0f
+        val values = ArrayList<BarEntryFloat>()
         val sampleValues = getValues(100).map { (it!! * 100).toInt() }
 
-        var previousTimeOffset = 0.0 //TIME_OFFSET.toDouble()
+        var previousTimeOffset = 0f //TIME_OFFSET.toFloat()
         for (i in 0..<count) {
             Timber.d("add ${sampleValues[i]}s to $previousTimeOffset")
             val yValue = sampleValues[i] + previousTimeOffset
-            val value = BarEntryDouble(
+            val value = BarEntryFloat(
                 x = i * spaceForBar,
-                vals = doubleArrayOf(previousTimeOffset, yValue),
+                vals = floatArrayOf(previousTimeOffset, yValue),
                 icon = ResourcesCompat.getDrawable(resources, R.drawable.star, null)
             )
             values.add(value)

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

@@ -1,6 +1,5 @@
 package info.appdev.chartexample.formatter
 
-import info.appdev.charting.data.BarEntryDouble
 import info.appdev.charting.data.BarEntryFloat
 import info.appdev.charting.data.EntryFloat
 import info.appdev.charting.formatter.IValueFormatter
@@ -14,24 +13,12 @@ class UnixTimeValueFormatter(val format: String = "yyyy-MM-dd'T'HH:mm:ss'Z'") :
 
     // For bar/line values
     override fun getFormattedValue(value: Float, entryFloat: EntryFloat?, dataSetIndex: Int, viewPortHandler: ViewPortHandler?): String {
-        return when (entryFloat) {
-            is BarEntryDouble if entryFloat.yValsDouble != null -> {
-                // High-precision double path
-                val vals = entryFloat.yValsDouble!!
-                val start = simpleDateFormat.format(vals.first().toLong())
-                val end   = simpleDateFormat.format(vals.last().toLong())
-                "$start - $end"
-            }
-
-            is BarEntryFloat if entryFloat.yVals != null -> {
-                // Float path
-                val vals = entryFloat.yVals!!
-                val start = simpleDateFormat.format(vals.first().toLong())
-                val end   = simpleDateFormat.format(vals.last().toLong())
-                "$start - $end"
-            }
-
-            else -> simpleDateFormat.format(value.toLong())
+        return if (entryFloat is BarEntryFloat) {
+            simpleDateFormat.format(entryFloat.yVals?.get(0)!!.toLong()) +
+                    " - " +
+                    simpleDateFormat.format(entryFloat.yVals?.get(entryFloat.yVals?.size!! - 1)!!.toLong())
         }
+        else
+            simpleDateFormat.format(value.toLong())
     }
 }