This seems to be a new feature since June (2015):
chart.getLegend().setWordWrapEnabled(true);
Javadoc:
/**
* Should the legend word wrap? / this is currently supported only for:
* BelowChartLeft, BelowChartRight, BelowChartCenter. / note that word
* wrapping a legend takes a toll on performance. / you may want to set
* maxSizePercent when word wrapping, to set the point where the text wraps.
* / default: false
*
* @param enabled
*/
public void setWordWrapEnabled(boolean enabled) {
mWordWrapEnabled = enabled;
}
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