Improve example

Author: PhilJay

MPChartExample/src/com/xxmassdeveloper/mpchartexample/CubicLineChartActivity.java

@@ -21,6 +21,8 @@
 import com.github.mikephil.charting.data.LineDataSet;
 import com.github.mikephil.charting.data.filter.Approximator;
 import com.github.mikephil.charting.data.filter.Approximator.ApproximatorType;
+import com.github.mikephil.charting.formatter.FillFormatter;
+import com.github.mikephil.charting.interfaces.LineDataProvider;
 import com.github.mikephil.charting.utils.ColorTemplate;
 import com.xxmassdeveloper.mpchartexample.notimportant.DemoBase;
 
@@ -54,7 +56,8 @@ protected void onCreate(Bundle savedInstanceState) {
         mSeekBarX.setOnSeekBarChangeListener(this);
 
         mChart = (LineChart) findViewById(R.id.chart1);
-        // if enabled, the chart will always start at zero on the y-axis
+        mChart.setViewPortOffsets(0, 20, 0, 0);
+        mChart.setBackgroundColor(Color.rgb(104, 241, 175));
 
         // no description text
         mChart.setDescription("");
@@ -77,13 +80,16 @@ protected void onCreate(Bundle savedInstanceState) {
         tf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");
 
         XAxis x = mChart.getXAxis();
-        x.setTypeface(tf);
         x.setEnabled(false);
 
         YAxis y = mChart.getAxisLeft();
         y.setTypeface(tf);
-        y.setLabelCount(5, false);
-        y.setEnabled(false);
+        y.setLabelCount(6, false);
+        y.setStartAtZero(false);
+        y.setTextColor(Color.WHITE);
+        y.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
+        y.setDrawGridLines(false);
+        y.setAxisLineColor(Color.WHITE);
 
         mChart.getAxisRight().setEnabled(false);
 
@@ -270,12 +276,20 @@ private void setData(int count, float range) {
         set1.setCubicIntensity(0.2f);
         //set1.setDrawFilled(true);
         set1.setDrawCircles(false); 
-        set1.setLineWidth(2f);
-        set1.setCircleSize(5f);
+        set1.setLineWidth(1.8f);
+        set1.setCircleSize(4f);
+        set1.setCircleColor(Color.WHITE);
         set1.setHighLightColor(Color.rgb(244, 117, 117));
-        set1.setColor(Color.rgb(104, 241, 175));
-        set1.setFillColor(ColorTemplate.getHoloBlue());
+        set1.setColor(Color.WHITE);
+        set1.setFillColor(Color.WHITE);
+        set1.setFillAlpha(100);
         set1.setDrawHorizontalHighlightIndicator(false);
+        set1.setFillFormatter(new FillFormatter() {
+            @Override
+            public float getFillLinePosition(LineDataSet dataSet, LineDataProvider dataProvider) {
+                return -10;
+            }
+        });
 
         // create a data object with the datasets
         LineData data = new LineData(xVals, set1);