title: MPAndroidChart how to set y-axis min and max value or set default zoom?
body: <p>I use <a href="https://github.com/PhilJay/MPAndroidChart" rel="noreferrer">MPAndroidChart</a> to display the stock chart, but the Y line value is so close,the chart is like this <img src="https://i.stack.imgur.com/bY2wr.png" alt="enter image description here"></p>
  
  <p>I can use finger zoom like this way <img src="https://i.stack.imgur.com/o9ZM0.png" alt="enter image description here"></p>
  
  <p>Which is I want the default looks like</p>
  
  <p>Is there any way to set Y line max and min value or set default zoom.</p>
  
  <p>I tried the lib function , but it does not work</p>