You can change the alignment of the Y axis labels, and you can change the font size and style, but you cannot change the indentation between the labels and the chart itself.
I just added an API to configure padding for both the X axis and the Y axis.
renderer.setXLabelsPadding(10); renderer.setYLabelsPadding(10);
You can check the code from ACHartEngine SVN and create a jar file with ant dist .
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