Avoid red to show diff better in screenshot tests

Author: hannesa2

app/src/main/kotlin/info/appdev/chartexample/LineChartActivity.kt

@@ -105,7 +105,7 @@ class LineChartActivity : DemoBase(), OnSeekBarChangeListener, OnChartValueSelec
             labelPosition = LimitLabelPosition.RIGHT_TOP
             textSize = 10f
             typeface = tfRegular
-            lineColor = Color.RED
+            lineColor = Color.CYAN
             rangeColor = Color.argb(30, 255, 235, 0)
         }
 

app/src/main/kotlin/info/appdev/chartexample/LineChartActivityColored.kt

@@ -110,7 +110,7 @@ class LineChartActivityColored : DemoBase() {
         val set1 = LineDataSet(values, "DataSet 1")
 
         // set1.setFillAlpha(110);
-        // set1.setFillColor(Color.RED);
+        // set1.setFillColor(Color.CYAN);
         set1.lineWidth = 1.75f
         set1.circleRadius = 5f
         set1.circleHoleRadius = 2.5f

chartLib/src/main/kotlin/info/appdev/charting/renderer/RadarChartRenderer.kt

@@ -353,7 +353,7 @@ open class RadarChartRenderer(
 
         paint.style = Paint.Style.FILL
         paint.strokeWidth = 2f
-        paint.color = Color.RED
+        paint.color = Color.CYAN
 
         webPaint = Paint(Paint.ANTI_ALIAS_FLAG)
         webPaint.style = Paint.Style.STROKE