Mpandroidchart: IndexOutOfBoundsException when empty LineDataSet in LineData of LineChart

[lschuetze]

Component: LineChart
Version: v3.0.0-beta1

The LineChart will throw an exception when it is filled with LineData containing a LineDataSet with no entries. As soon as an entry is added upon creation it will not throw the exception.

Is this intented behavior?

Working code:

ArrayList<Entry> data = new ArrayList<>();
data.add(new Entry(0, 0.0f));
throughputDataSet = new LineDataSet(data, "throughput");

Exception throwing code:

ArrayList<Entry> data = new ArrayList<>();
throughputDataSet = new LineDataSet(data, "throughput");

The exception trace:

java.lang.IndexOutOfBoundsException: Invalid index 17, size is 17
 at java.util.ArrayList.throwIndexOutOfBoundsException(ArrayList.java:255)
 at java.util.ArrayList.get(ArrayList.java:308)
 at com.github.mikephil.charting.formatter.FormattedStringCache$PrimFloat.getFormattedValue(Unknown)
 at com.github.mikephil.charting.formatter.DefaultAxisValueFormatter.getFormattedValue(Unknown)
 at com.github.mikephil.charting.components.AxisBase.getFormattedLabel(Unknown)
 at com.github.mikephil.charting.components.AxisBase.getLongestLabel(Unknown)
 at com.github.mikephil.charting.renderer.XAxisRenderer.computeSize(Unknown)
 at com.github.mikephil.charting.renderer.XAxisRenderer.computeAxisValues(Unknown)
 at com.github.mikephil.charting.renderer.XAxisRenderer.computeAxis(Unknown)
 at com.github.mikephil.charting.charts.BarLineChartBase.onDraw(Unknown)
 at android.view.View.draw(View.java:15231)
 at android.view.View.updateDisplayListIfDirty(View.java:14167)
 at android.view.View.getDisplayList(View.java:14189)
 at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
 at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
 at android.view.View.updateDisplayListIfDirty(View.java:14127)
 at android.view.View.getDisplayList(View.java:14189)
 at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
 at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
 at android.view.View.updateDisplayListIfDirty(View.java:14127)
 at android.view.View.getDisplayList(View.java:14189)
 at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
 at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
 at android.view.View.updateDisplayListIfDirty(View.java:14127)
 at android.view.View.getDisplayList(View.java:14189)
 at android.view.View.draw(View.java:14959)
 at android.view.ViewGroup.drawChild(ViewGroup.java:3405)
 at android.view.ViewGroup.dispatchDraw(ViewGroup.java:3198)
 at android.view.View.draw(View.java:15234)
 at com.android.internal.widget.ActionBarOverlayLayout.draw(ActionBarOverlayLayout.java:501)
 at android.view.View.updateDisplayListIfDirty(View.java:14167)
 at android.view.View.getDisplayList(View.java:14189)
 at android.view.ViewGroup.recreateChildDisplayList(ViewGroup.java:3389)
 at android.view.ViewGroup.dispatchGetDisplayList(ViewGroup.java:3368)
 at android.view.View.updateDisplayListIfDirty(View.java:14127)
 at android.view.View.getDisplayList(View.java:14189)
 at android.view.ThreadedRenderer.updateViewTreeDisplayList(ThreadedRenderer.java:273)
 at android.view.ThreadedRenderer.updateRootDisplayList(ThreadedRenderer.java:279)
 at android.view.ThreadedRenderer.draw(ThreadedRenderer.java:318)
 at android.view.ViewRootImpl.draw(ViewRootImpl.java:2530)
 at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2352)
 at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1982)
 at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061)
 at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5885)
 at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
 at android.view.Choreographer.doCallbacks(Choreographer.java:580)
 at android.view.Choreographer.doFrame(Choreographer.java:550)
 at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
 at android.os.Handler.handleCallback(Handler.java:739)
 at android.os.Handler.dispatchMessage(Handler.java:95)
 at android.os.Looper.loop(Looper.java:135)
 at android.app.ActivityThread.main(ActivityThread.java:5254)
 at java.lang.reflect.Method.invoke(Native Method)
 at java.lang.reflect.Method.invoke(Method.java:372)
 at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
 at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)

[adriamt]

IS this issue solved? It still happens to me with the library version 3.0.2.
It happens the same, in a LineChart if the dataSet has no entries the IndexOutOfBounds exception happens, but if I add at least one entry it doesn't happen.

[njleonzhang]

same issue with empty entries