MainActivity: generate dynamic menu from last two weeks

Make the UI more flexible and
slightly easier to understand.

app/src/main/java/it/danieleverducci/lunatracker/StatisticsActivity.kt

@@ -14,6 +14,7 @@ import androidx.appcompat.app.AppCompatActivity
 import androidx.core.graphics.toColorInt
 import com.github.mikephil.charting.animation.ChartAnimator
 import com.github.mikephil.charting.charts.BarChart
+import com.github.mikephil.charting.components.YAxis
 import com.github.mikephil.charting.data.BarData
 import com.github.mikephil.charting.data.BarDataSet
 import com.github.mikephil.charting.data.BarEntry
@@ -279,8 +280,8 @@ class StatisticsActivity : AppCompatActivity() {
 
             //Log.d(TAG, "Range $index, vals: ${vals.joinToString { it.toInt().toString() }}") //, allColors: ${allColors.joinToString { it.toString() }}")
 
-            //Log.d(TAG, "index: ${index.toFloat()}")
-            values.add(BarEntry(index.toFloat(), vals.toFloatArray()))
+            assert(values.size == index)
+            values.add(BarEntry(values.size.toFloat(), vals.toFloatArray()))
         }
 
         //Log.d(TAG, "daysWithData: ${state.dayCounter.daysWithData.joinToString()}")
@@ -350,28 +351,27 @@ class StatisticsActivity : AppCompatActivity() {
         })
 
         val set1 = BarDataSet(values, "")
-        val data = BarData(set1)
         set1.colors = allColors
-
         set1.setDrawValues(false) // usually too many values
         set1.isHighlightEnabled = true
-
         set1.setDrawIcons(false)
 
         //Log.d(TAG, "showSleepPatternBarGraphSlotted; barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}, barChart.visibleXRange: ${barChart.visibleXRange}, barChart.xAxis.isCenterAxisLabelsEnabled: ${barChart.xAxis.isCenterAxisLabelsEnabled}, barChart.isAutoScaleMinMaxEnabled: ${barChart.isAutoScaleMinMaxEnabled}, barChart.isScaleXEnabled: ${barChart.isScaleXEnabled}, barChart.isScaleYEnabled: ${barChart.isScaleYEnabled}")
 
+        val data = BarData(set1)
         data.setValueTextSize(12f)
-        barChart.setData(data)
 
         // does not work quite right yet
         //Log.d(TAG, "xChartMax: ${barChart.xChartMax}")
         //barChart.centerViewTo(barChart.xChartMax, 0F, YAxis.AxisDependency.LEFT)
 
-        barChart.legend.isEnabled = false
         val valueCount = min(values.size, 24)
+        barChart.setData(data)
+        barChart.legend.isEnabled = false
         barChart.setVisibleXRangeMaximum(valueCount.toFloat())
         barChart.xAxis.setLabelCount(valueCount)
         barChart.xAxis.setCenterAxisLabels(false)
+        barChart.moveViewTo(data.getEntryCount().toFloat(), 0f, YAxis.AxisDependency.LEFT)
         barChart.invalidate()
     }
 
@@ -402,7 +402,8 @@ class StatisticsActivity : AppCompatActivity() {
 
             // update value
             val newYVals = appendToFloatArray(yVals, awakeDuration.toFloat(), sleepDuration.toFloat())
-            values[index] = BarEntry(x, newYVals)
+            assert(index == x.toInt())
+            values[index] = BarEntry(index.toFloat(), newYVals)
         }
 
         for (range in ranges) {
@@ -433,12 +434,11 @@ class StatisticsActivity : AppCompatActivity() {
             }
         }
 
-        val set1 = BarDataSet(values, "")
-        val data = BarData(set1)
-
         // awake phase color is transparent
+        val set1 = BarDataSet(values, "")
         set1.colors = arrayListOf("#00000000".toColorInt(), "#72d7f5".toColorInt())
         set1.setDrawValues(false) // usually too many values
+        set1.setDrawIcons(false)
         set1.isHighlightEnabled = true
 
         barChart.setOnChartValueSelectedListener(object : OnChartValueSelectedListener {
@@ -479,18 +479,19 @@ class StatisticsActivity : AppCompatActivity() {
             override fun onNothingSelected() {}
         })
         //Log.d(TAG, "showSleepPatternBarGraphDaily: values.size: ${values.size}, barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}")
-        set1.setDrawIcons(false)
 
+        val data = BarData(set1)
         data.setValueTextSize(12f)
-        barChart.setData(data)
 
         //Log.d(TAG, "showSleepPatternBarGraphDaily: new barChart.xAxis.labelCount: ${barChart.xAxis.labelCount}")
 
-        barChart.legend.isEnabled = false
         val valueCount = min(values.size, 24)
+        barChart.setData(data)
+        barChart.legend.isEnabled = false
         barChart.setVisibleXRangeMaximum(valueCount.toFloat())
         barChart.xAxis.setLabelCount(valueCount)
         barChart.xAxis.setCenterAxisLabels(false)
+        barChart.moveViewTo(data.getEntryCount().toFloat(), 0f, YAxis.AxisDependency.LEFT)
         barChart.invalidate()
     }
 
@@ -592,6 +593,7 @@ class StatisticsActivity : AppCompatActivity() {
         barChart.setVisibleXRangeMaximum(valueCount.toFloat())
         barChart.xAxis.setLabelCount(valueCount)
         barChart.xAxis.setCenterAxisLabels(false)
+        barChart.moveViewTo(data.getEntryCount().toFloat(), 0f, YAxis.AxisDependency.LEFT)
         barChart.invalidate()
     }
 
@@ -654,6 +656,7 @@ class StatisticsActivity : AppCompatActivity() {
         barChart.setVisibleXRangeMaximum(valueCount.toFloat())
         barChart.xAxis.setLabelCount(valueCount)
         barChart.xAxis.setCenterAxisLabels(false)
+        barChart.moveViewTo(data.getEntryCount().toFloat(), 0f, YAxis.AxisDependency.LEFT)
         barChart.invalidate()
     }