title: MPAndroidChart PieChart how to set label text?
body: <p>got the following code:</p>
  
  <pre><code>    Legend legend = mChart.getLegend();
      legend.setLabels(new String[]{"aaaaa", "bbbbb", "ccccc"});
  </code></pre>
  
  <p>This setting does not take effect Is there an other way to set the text ?</p>