content: 
  package com.github.mikephil.charting.data;
  
  import android.graphics.Color;
  
  import com.github.mikephil.charting.utils.Utils;
  
  import java.util.ArrayList;
  
  /**
   * Base dataset for line and radar DataSets.
   * 
   * @author Philipp Jahoda
   */
  public abstract class LineRadarDataSet<T extends Entry> extends BarLineScatterCandleRadarDataSet<T> {
  
      /** the color that is used for filling the line surface */
      private int mFillColor = Color.rgb(140, 234, 255);
  
      /** transparency used for filling line surface */
      private int mFillAlpha = 85;
      
      /** the width of the drawn data lines */
      private float mLineWidth = 1f;
      
      /** if true, the data will also be drawn filled */
      private boolean mDrawFilled = false;
      
  //    private Shader mShader;
      
      public LineRadarDataSet(ArrayList<T> yVals, String label) {
          super(yVals, label);
      }
  
      /**
       * returns the color that is used for filling the line surface
       * 
       * @return
       */
      public int getFillColor() {
          return mFillColor;
      }
  
      /**
       * sets the color that is used for filling the line surface
       * 
       * @param color
       */
      public void setFillColor(int color) {
          mFillColor = color;
      }
  
      /**
       * returns the alpha value that is used for filling the line surface,
       * default: 85
       * 
       * @return
       */
      public int getFillAlpha() {
          return mFillAlpha;
      }
  
      /**
       * sets the alpha value (transparency) that is used for filling the line
       * surface (0-255), default: 85
       * 
       * @param color
       */
      public void setFillAlpha(int alpha) {
          mFillAlpha = alpha;
      }
      
      /**
       * set the line width of the chart (min = 0.2f, max = 10f); default 1f NOTE:
       * thinner line == better performance, thicker line == worse performance
       * 
       * @param width
       */
      public void setLineWidth(float width) {
  
          if (width < 0.2f)
              width = 0.5f;
          if (width > 10.0f)
              width = 10.0f;
          mLineWidth = Utils.convertDpToPixel(width);
      }
  
      /**
       * returns the width of the drawn chart line
       * 
       * @return
       */
      public float getLineWidth() {
          return mLineWidth;
      }
      
      /**
       * Set to true if the DataSet should be drawn filled (surface), and not just
       * as a line, disabling this will give up to 20% performance boost on large
       * datasets, default: false
       * 
       * @param filled
       */
      public void setDrawFilled(boolean filled) {
          mDrawFilled = filled;
      }
  
      /**
       * returns true if filled drawing is enabled, false if not
       * 
       * @return
       */
      public boolean isDrawFilledEnabled() {
          return mDrawFilled;
      }
      
  //    public void setShader(Shader s) {
  //        mShader = s;
  //    }
  //    
  //    public Shader getShader() {
  //        return mShader;
  //    }
  }
  