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Custom DataSets

Philipp Jahoda edited this page Feb 14, 2016 · 10 revisions

Since v2.2.0, MPAndroidChart allows you to easily create your own custom DataSet objects and use them in the charts.

What you need to do

  • Create your own custom class (e.g. CustomDataSet)
  • Let it extend BaseDataSet<? extends Entry>
  • Let it implement the IDataSet interface of your choice (e.g. IBarDataSet) - depending on the kind of chart you want to create
  • Implement all (by you) required methods and let them return your values of choice

Example

Creating a custom BarDataSet to be used in a BarChart.

public class CustomBarDataSet extends BaseDataSet<BarEntry> implements IBarDataSet {
    // implement all by the extended class and interface required methods
}

After creating the CustomBarDataSet and implementing all methods required by the interface it can be used in any BarChart just like a normal BarDataSet.

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