private void prepareDataAnimation() {
            for (Column column : data.getColumns()) {
                for (SubcolumnValue value : column.getValues()) {
                    value.setTarget((float) Math.random() * 100);
                }
            }
        }
To animate values you have to change targets values and then call {@link Chart#startDataAnimation()}
method(don't confuse with View.animate()).
hellocharts-samples/src/lecho/lib/hellocharts/samples/ColumnChartActivity.java