Merge pull request #607 from AppDevNext/DescriptionNonNullable

hannesa2 · web-flow · commit 6edd301e3dc2 · 2025-12-28T21:16:09.000+01:00
Description is non nullable
diff --git a/app/src/main/kotlin/info/appdev/chartexample/AnotherBarActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/AnotherBarActivity.kt
@@ -31,7 +31,7 @@ class AnotherBarActivity : DemoBase(), OnSeekBarChangeListener {
 
         binding.seekBarX.setOnSeekBarChangeListener(this)
         binding.seekBarY.setOnSeekBarChangeListener(this)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // if more than 60 entries are displayed in the chart, no values will be drawn
         binding.chart1.setMaxVisibleValueCount(60)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/BarChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/BarChartActivity.kt
@@ -53,7 +53,7 @@ class BarChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSelect
         binding.chart1.setDrawBarShadow(false)
         binding.chart1.setDrawValueAboveBar(true)
 
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // if more than 60 entries are displayed in the chart, no values will be
         // drawn
diff --git a/app/src/main/kotlin/info/appdev/chartexample/BarChartActivityMultiDataset.kt b/app/src/main/kotlin/info/appdev/chartexample/BarChartActivityMultiDataset.kt
@@ -45,7 +45,7 @@ class BarChartActivityMultiDataset : DemoBase(), OnSeekBarChangeListener, OnChar
         binding.seekBarY.setOnSeekBarChangeListener(this)
 
         binding.chart1.setOnChartValueSelectedListener(this)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         //        chart.setDrawBorders(true);
 
diff --git a/app/src/main/kotlin/info/appdev/chartexample/BarChartActivitySinus.kt b/app/src/main/kotlin/info/appdev/chartexample/BarChartActivitySinus.kt
@@ -35,7 +35,7 @@ class BarChartActivitySinus : DemoBase(), OnSeekBarChangeListener {
         binding.chart1.setDrawBarShadow(false)
         binding.chart1.setDrawValueAboveBar(true)
 
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // if more than 60 entries are displayed in the chart, no values will be drawn
         binding.chart1.setMaxVisibleValueCount(60)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/BarChartPositiveNegative.kt b/app/src/main/kotlin/info/appdev/chartexample/BarChartPositiveNegative.kt
@@ -39,7 +39,7 @@ class BarChartPositiveNegative : DemoBase() {
         binding.chart1.setDrawBarShadow(false)
         binding.chart1.setDrawValueAboveBar(true)
 
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // scaling can now only be done on x- and y-axis separately
         binding.chart1.setPinchZoom(false)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/BubbleChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/BubbleChartActivity.kt
@@ -39,7 +39,7 @@ class BubbleChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSel
 
         binding.seekBarX.setOnSeekBarChangeListener(this)
         binding.seekBarY.setOnSeekBarChangeListener(this)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
         binding.chart1.setOnChartValueSelectedListener(this)
         binding.chart1.setDrawGridBackground(false)
         binding.chart1.setTouchEnabled(true)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/CandleStickChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/CandleStickChartActivity.kt
@@ -34,7 +34,7 @@ class CandleStickChartActivity : DemoBase(), OnSeekBarChangeListener {
         binding.seekBarX.setOnSeekBarChangeListener(this)
         binding.seekBarY.setOnSeekBarChangeListener(this)
         binding.chart1.setBackgroundColor(Color.WHITE)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // if more than 60 entries are displayed in the chart, no values will be drawn
         binding.chart1.setMaxVisibleValueCount(60)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/CombinedChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/CombinedChartActivity.kt
@@ -44,7 +44,7 @@ class CombinedChartActivity : DemoBase() {
         binding = ActivityCombinedBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
         binding.chart1.setBackgroundColor(Color.WHITE)
         binding.chart1.setDrawGridBackground(false)
         binding.chart1.setDrawBarShadow(false)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/CubicLineChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/CubicLineChartActivity.kt
@@ -36,7 +36,7 @@ class CubicLineChartActivity : DemoBase(), OnSeekBarChangeListener {
         binding.chart1.setBackgroundColor(Color.rgb(104, 241, 175))
 
         // no description text
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // enable touch gestures
         binding.chart1.setTouchEnabled(true)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/DynamicalAddingActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/DynamicalAddingActivity.kt
@@ -33,7 +33,7 @@ class DynamicalAddingActivity : DemoBase(), OnChartValueSelectedListener {
 
         binding.chart1.setOnChartValueSelectedListener(this)
         binding.chart1.setDrawGridBackground(false)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
         binding.chart1.setNoDataText("No chart data available. Use the menu to add entries and data sets!")
 
         //        chart.getXAxis().setDrawLabels(false);
diff --git a/app/src/main/kotlin/info/appdev/chartexample/FilledLineActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/FilledLineActivity.kt
@@ -41,7 +41,7 @@ class FilledLineActivity : DemoBase() {
         binding.chart1.setDrawBorders(true)
 
         // no description text
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // if disabled, scaling can be done on x- and y-axis separately
         binding.chart1.setPinchZoom(false)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/GradientActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/GradientActivity.kt
@@ -33,7 +33,7 @@ class GradientActivity : DemoBase() {
         val chart: LineChart = findViewById(R.id.chart)
 
         // Minimal chart setup
-        chart.description?.isEnabled = false
+        chart.description.isEnabled = false
         chart.legend.isEnabled = false
         chart.axisRight.isEnabled = false
         chart.setDrawGridBackground(false)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/HalfPieChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/HalfPieChartActivity.kt
@@ -38,7 +38,7 @@ class HalfPieChartActivity : DemoBase() {
         moveOffScreen()
 
         binding.chart1.setUsePercentValues(true)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         binding.chart1.setCenterTextTypeface(tfLight)
         binding.chart1.centerText = generateCenterSpannableText()
diff --git a/app/src/main/kotlin/info/appdev/chartexample/HorizontalBarChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/HorizontalBarChartActivity.kt
@@ -47,7 +47,7 @@ class HorizontalBarChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartV
 
         binding.chart1.setDrawValueAboveBar(true)
 
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // if more than 60 entries are displayed in the chart, no values will be
         // drawn
diff --git a/app/src/main/kotlin/info/appdev/chartexample/HorizontalBarNegativeChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/HorizontalBarNegativeChartActivity.kt
@@ -45,7 +45,7 @@ class HorizontalBarNegativeChartActivity : DemoBase(), OnSeekBarChangeListener,
         binding.chart1.setDrawBarShadow(false)
         binding.chart1.setDrawValueAboveBar(true)
 
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // if more than 60 entries are displayed in the chart, no values will be
         // drawn
diff --git a/app/src/main/kotlin/info/appdev/chartexample/InvertedLineChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/InvertedLineChartActivity.kt
@@ -40,7 +40,7 @@ class InvertedLineChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartVa
         binding.chart1.setDrawGridBackground(false)
 
         // no description text
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // enable touch gestures
         binding.chart1.setTouchEnabled(true)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/LineChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/LineChartActivity.kt
@@ -46,7 +46,7 @@ class LineChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSelec
         binding.chart1.setBackgroundColor(Color.WHITE)
 
         // disable description text
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // enable touch gestures
         binding.chart1.setTouchEnabled(true)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/LineChartActivityColored.kt b/app/src/main/kotlin/info/appdev/chartexample/LineChartActivityColored.kt
@@ -48,7 +48,7 @@ class LineChartActivityColored : DemoBase() {
         (data.getDataSetByIndex(0) as LineDataSet).circleHoleColor = color
 
         // no description text
-        chart.description?.isEnabled = false
+        chart.description.isEnabled = false
 
         // chart.setDrawHorizontalGrid(false);
         //
diff --git a/app/src/main/kotlin/info/appdev/chartexample/LineChartDualAxisActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/LineChartDualAxisActivity.kt
@@ -47,7 +47,7 @@ class LineChartDualAxisActivity : DemoBase(), OnSeekBarChangeListener, OnChartVa
         binding.chart1.setOnChartValueSelectedListener(this)
 
         // no description text
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // enable touch gestures
         binding.chart1.setTouchEnabled(true)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/LineChartTimeActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/LineChartTimeActivity.kt
@@ -41,7 +41,7 @@ class LineChartTimeActivity : DemoBase(), OnSeekBarChangeListener {
         binding.seekBarX.setOnSeekBarChangeListener(this)
 
         // no description text
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // enable touch gestures
         binding.chart1.setTouchEnabled(true)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/ListViewBarChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/ListViewBarChartActivity.kt
@@ -68,7 +68,7 @@ class ListViewBarChartActivity : DemoBase() {
 
             data?.setValueTypeface(tfLight)
             data?.setValueTextColor(Color.BLACK)
-            holder.chart?.description?.isEnabled = false
+            holder.chart!!.description.isEnabled = false
             holder.chart?.setDrawGridBackground(false)
 
 
diff --git a/app/src/main/kotlin/info/appdev/chartexample/MultiLineChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/MultiLineChartActivity.kt
@@ -39,7 +39,7 @@ class MultiLineChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartGestu
         binding.seekBarY.setOnSeekBarChangeListener(this)
         binding.chart1.setOnChartValueSelectedListener(this)
         binding.chart1.setDrawGridBackground(false)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
         binding.chart1.setDrawBorders(false)
 
         binding.chart1.axisLeft.isEnabled = false
diff --git a/app/src/main/kotlin/info/appdev/chartexample/PerformanceLineChart.kt b/app/src/main/kotlin/info/appdev/chartexample/PerformanceLineChart.kt
@@ -29,7 +29,7 @@ class PerformanceLineChart : DemoBase(), OnSeekBarChangeListener {
         binding.chart1.setDrawGridBackground(false)
 
         // no description text
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // enable touch gestures
         binding.chart1.setTouchEnabled(true)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/PieChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/PieChartActivity.kt
@@ -46,7 +46,7 @@ class PieChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSelect
         binding.seekBarY.setOnSeekBarChangeListener(this)
 
         binding.chart1.setUsePercentValues(true)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
         binding.chart1.setExtraOffsets(5f, 10f, 5f, 5f)
 
         binding.chart1.dragDecelerationFrictionCoef = 0.95f
diff --git a/app/src/main/kotlin/info/appdev/chartexample/PieChartRoundedActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/PieChartRoundedActivity.kt
@@ -46,7 +46,7 @@ class PieChartRoundedActivity : DemoBase(), OnSeekBarChangeListener, OnChartValu
         binding.seekBarX.setOnSeekBarChangeListener(this)
         binding.seekBarY.setOnSeekBarChangeListener(this)
         binding.chart1.setUsePercentValues(true)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
         binding.chart1.setExtraOffsets(5f, 10f, 5f, 5f)
 
         binding.chart1.dragDecelerationFrictionCoef = 0.95f
diff --git a/app/src/main/kotlin/info/appdev/chartexample/PiePolylineChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/PiePolylineChartActivity.kt
@@ -45,7 +45,7 @@ class PiePolylineChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartVal
         binding.seekBarY.setOnSeekBarChangeListener(this)
 
         binding.chart1.setUsePercentValues(true)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
         binding.chart1.setExtraOffsets(5f, 10f, 5f, 5f)
 
         binding.chart1.dragDecelerationFrictionCoef = 0.95f
diff --git a/app/src/main/kotlin/info/appdev/chartexample/RadarChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/RadarChartActivity.kt
@@ -33,7 +33,7 @@ class RadarChartActivity : DemoBase() {
         setContentView(binding.root)
 
         binding.chart1.setBackgroundColor(Color.rgb(60, 65, 82))
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         binding.chart1.webLineWidth = 1f
         binding.chart1.webColor = Color.LTGRAY
diff --git a/app/src/main/kotlin/info/appdev/chartexample/RealtimeLineChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/RealtimeLineChartActivity.kt
@@ -34,7 +34,7 @@ class RealtimeLineChartActivity : DemoBase(), OnChartValueSelectedListener {
         setContentView(binding.root)
 
         binding.chart1.setOnChartValueSelectedListener(this)
-        binding.chart1.description?.isEnabled = true
+        binding.chart1.description.isEnabled = true
 
         // enable touch gestures
         binding.chart1.setTouchEnabled(true)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/ScatterChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/ScatterChartActivity.kt
@@ -36,7 +36,7 @@ class ScatterChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSe
 
         binding.seekBarX.setOnSeekBarChangeListener(this)
         binding.seekBarY.setOnSeekBarChangeListener(this)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
         binding.chart1.setOnChartValueSelectedListener(this)
 
         binding.chart1.setDrawGridBackground(false)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/ScrollViewActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/ScrollViewActivity.kt
@@ -23,7 +23,7 @@ class ScrollViewActivity : DemoBase() {
         binding = ActivityScrollviewBinding.inflate(layoutInflater)
         setContentView(binding.root)
 
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // scaling can now only be done on x- and y-axis separately
         binding.chart1.setPinchZoom(false)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/SpecificPositionsLineChartActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/SpecificPositionsLineChartActivity.kt
@@ -49,7 +49,7 @@ class SpecificPositionsLineChartActivity : DemoBase(), OnSeekBarChangeListener,
         binding.chart1.setDrawGridBackground(false)
 
         // no description text
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // enable touch gestures
         binding.chart1.setTouchEnabled(true)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/StackedBarActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/StackedBarActivity.kt
@@ -43,7 +43,7 @@ class StackedBarActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSele
 
         binding.chart1.setOnChartValueSelectedListener(this)
 
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // if more than 60 entries are displayed in the chart, no values will be
         // drawn
diff --git a/app/src/main/kotlin/info/appdev/chartexample/StackedBarActivityNegative.kt b/app/src/main/kotlin/info/appdev/chartexample/StackedBarActivityNegative.kt
@@ -40,7 +40,7 @@ class StackedBarActivityNegative : DemoBase(), OnChartValueSelectedListener {
 
         binding.chart1.setOnChartValueSelectedListener(this)
         binding.chart1.setDrawGridBackground(false)
-        binding.chart1.description?.isEnabled = false
+        binding.chart1.description.isEnabled = false
 
         // scaling can now only be done on x- and y-axis separately
         binding.chart1.setPinchZoom(false)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/compose/HorizontalBarComposeActivity.kt b/app/src/main/kotlin/info/appdev/chartexample/compose/HorizontalBarComposeActivity.kt
@@ -290,7 +290,7 @@ class HorizontalBarComposeActivity : DemoBaseCompose() {
 
         chart.setDrawBarShadow(false)
         chart.setDrawValueAboveBar(true)
-        chart.description?.isEnabled = false
+        chart.description.isEnabled = false
         chart.setMaxVisibleValueCount(60)
         chart.setPinchZoom(false)
         chart.setDrawGridBackground(false)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/fragments/BarChartFrag.kt b/app/src/main/kotlin/info/appdev/chartexample/fragments/BarChartFrag.kt
@@ -23,7 +23,7 @@ class BarChartFrag : SimpleFragment(), OnChartGestureListener {
 
         // create a new chart object
         chart = BarChart(requireActivity())
-        chart!!.description?.isEnabled = false
+        chart!!.description.isEnabled = false
         chart!!.onChartGestureListener = this
 
         val mv = MyMarkerView(activity, R.layout.custom_marker_view)
diff --git a/app/src/main/kotlin/info/appdev/chartexample/fragments/ComplexityFragment.kt b/app/src/main/kotlin/info/appdev/chartexample/fragments/ComplexityFragment.kt
@@ -17,7 +17,7 @@ class ComplexityFragment : SimpleFragment() {
 
         chart = v.findViewById(R.id.lineChart1)
 
-        chart!!.description?.isEnabled = false
+        chart!!.description.isEnabled = false
 
         chart!!.setDrawGridBackground(false)
 
diff --git a/app/src/main/kotlin/info/appdev/chartexample/fragments/PieChartFrag.kt b/app/src/main/kotlin/info/appdev/chartexample/fragments/PieChartFrag.kt
@@ -21,7 +21,7 @@ class PieChartFrag : SimpleFragment() {
         val v = inflater.inflate(R.layout.frag_simple_pie, container, false)
 
         chart = v.findViewById(R.id.pieChart1)
-        chart!!.description?.isEnabled = false
+        chart!!.description.isEnabled = false
 
         val tf = Typeface.createFromAsset(requireContext().assets, "OpenSans-Light.ttf")
 
diff --git a/app/src/main/kotlin/info/appdev/chartexample/fragments/ScatterChartFrag.kt b/app/src/main/kotlin/info/appdev/chartexample/fragments/ScatterChartFrag.kt
@@ -18,7 +18,7 @@ class ScatterChartFrag : SimpleFragment() {
         val v = inflater.inflate(R.layout.frag_simple_scatter, container, false)
 
         chart = v.findViewById(R.id.scatterChart1)
-        chart!!.description?.isEnabled = false
+        chart!!.description.isEnabled = false
 
         val tf = Typeface.createFromAsset(requireContext().assets, "OpenSans-Light.ttf")
 
diff --git a/app/src/main/kotlin/info/appdev/chartexample/fragments/SineCosineFragment.kt b/app/src/main/kotlin/info/appdev/chartexample/fragments/SineCosineFragment.kt
@@ -17,7 +17,7 @@ class SineCosineFragment : SimpleFragment() {
 
         chart = v.findViewById(R.id.lineChart1)
 
-        chart!!.description?.isEnabled = false
+        chart!!.description.isEnabled = false
 
         chart!!.setDrawGridBackground(false)
 
diff --git a/app/src/main/kotlin/info/appdev/chartexample/listviewitems/BarChartItem.kt b/app/src/main/kotlin/info/appdev/chartexample/listviewitems/BarChartItem.kt
@@ -36,7 +36,7 @@ class BarChartItem(cd: ChartData<*>, c: Context) : ChartItem(cd) {
         }
 
         // apply styling
-        holder.chart!!.description?.isEnabled = false
+        holder.chart!!.description.isEnabled = false
         holder.chart!!.setDrawGridBackground(false)
         holder.chart!!.setDrawBarShadow(false)
 
diff --git a/app/src/main/kotlin/info/appdev/chartexample/listviewitems/LineChartItem.kt b/app/src/main/kotlin/info/appdev/chartexample/listviewitems/LineChartItem.kt
@@ -37,7 +37,7 @@ class LineChartItem(cd: ChartData<*>, c: Context) : ChartItem(cd) {
 
         // apply styling
         // holder.chart.setValueTypeface(mTf);
-        holder.chart!!.description?.isEnabled = false
+        holder.chart!!.description.isEnabled = false
         holder.chart!!.setDrawGridBackground(false)
 
         val xAxis = holder.chart!!.xAxis
diff --git a/app/src/main/kotlin/info/appdev/chartexample/listviewitems/PieChartItem.kt b/app/src/main/kotlin/info/appdev/chartexample/listviewitems/PieChartItem.kt
@@ -48,7 +48,7 @@ class PieChartItem(cd: ChartData<*>, c: Context) : ChartItem(cd) {
         }
 
         // apply styling
-        holder.chart!!.description?.isEnabled = false
+        holder.chart!!.description.isEnabled = false
         holder.chart!!.holeRadius = 52f
         holder.chart!!.transparentCircleRadius = 57f
         holder.chart!!.centerText = centerText
diff --git a/chartLib/src/main/kotlin/info/appdev/charting/charts/Chart.kt b/chartLib/src/main/kotlin/info/appdev/charting/charts/Chart.kt
