MulitLineChart coloring lines problem.

[philjay]

MulitLineChart coloring lines problem.

[dlesniakdev]

I tried it like this now, what is exacly like in your project.

What I noticed, you set these colors to your chart:

and none of them working. Your example chart is has 1 color for all charts, and it is not from the array, it is set by DataSet constructor:

public DataSet(ArrayList<Entry> yVals, String label)

        // default colors
//        mColors.add(Color.rgb(192, 255, 140));
//        mColors.add(Color.rgb(255, 247, 140));
        mColors.add(Color.rgb(140, 234, 255));

[PhilJay]

Alright, try it like this:

LineDataSet d = new LineDataSet(values, "DataSet ");
d.setColor(Color.RED);

If then, your data set is in color red, the library is working, and you are making a mistake resolving the color from the resources. As you already mentioned, the example project is working, which makes it highly likely that the issue is on your end.

You should use:

int color = getResources().getIdentifier("color_" + finalLabels.get(i).toLowerCase(), "color", getPackageName()); // get the color resource id

// resolve the resource id
d.setColor(getResources().getColor(color));

because getResources().getIdentifier(...) only provides the resource ID, and will not resolve the color correctly like getResources().getColor(...) does. This piece of quite complicated code has nothing to do with the library, it's more of an Android issue/complication.

Concerning the highlight arrow:
This feature is currently disabled, but you can easily enable it again by putting this code snipped into the BarChart class inside the drawHighlights() method. Around line 200.

                if (mDrawHighlightArrow) {

                     // distance between highlight arrow and bar
                     float offsetY = mDeltaY * 0.04f;
                     float y = e.getSum();
                     mHighlightPaint.setAlpha(200);

                     Path arrow = new Path();
                     arrow.moveTo(index + 0.5f, y + offsetY * 0.3f);
                     arrow.lineTo(index + 0.2f, y + offsetY);
                     arrow.lineTo(index + 0.8f, y + offsetY);

                     transformPath(arrow);
                     mDrawCanvas.drawPath(arrow, mHighlightPaint);
                }