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I am trying to add annotation to a chart with horizontal DateTimeCategoricalAxis by using this code, but it keeps crashing
1.
CartesianCustomAnnotation annotation =
new
CartesianCustomAnnotation(chartView.getVerticalAxis(), chartView.getHorizontalAxis(), penaltyValue, penaltyMonth,
"P"
);
2.
chartView.getAnnotations().add(annotation);
I have tried making PenaltyValue a string, a Calendar, and a Date. It always crashes and logcat reports this error
java.lang.IllegalArgumentException: the value: Mon Feb 01 12:48:15 EST 2016 proved to be incompatible with its corresponding axis
How do I fix it.