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FillFormatter

Philipp Jahoda edited this page Nov 6, 2015 · 4 revisions

The FillFormatter interface allows to customize where the filled line of a LineDataSet should end. All that needs to be done is create a new class and implement the FillFormatter interface. Use the

public float getFillLinePosition(LineDataSet dataSet, LineDataProvider provider)

method of the interface for implementing a custom logic that calculates the ending point of the fill line for the individual LineDataSet.

Creating a class the implements the interface:

public class MyCustomFillFormatter implements FillFormatter {

    @Override
    public float getFillLinePosition(LineDataSet dataSet, LineDataProvider dataProvider) {

        float myDesiredFillPosition = ...;
        // put your logic here...

        return myDesiredFillPosition;
    }
}

And then set the custom-formatter to your LineDataSet:

lineDataSet.setFillFormatter(new MyCustomFillFormatter());

Here is the default implementation (logic) of the DefaultFillFormatter.

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