我可以使用mpAndroidChart绘制渐变线图吗? [英] Can I draw a gradient linechart with mpAndroidChart?

问题描述

我可以画出图中的线条图吗?如果可以，我该怎么做才能更改线条颜色?谢谢！

Can I draw a lineChart looks like in the picture? If can, what should I do to change the line colors? Thank you!

我所绘制的东西看起来像两幅图，这两条线是相同的颜色，并且昨天没有incom.我应该怎么做才能将线变为渐变色并仅显示最后一个markerView?

what I have draw looks like the picture two,which the line is the same color and there is no yesterday incom.what should I do to change the line into gradient color and only show the last markerView ?

我绘制的图片.

推荐答案

我找到了解决方法！ 请检查Lance Gleason的教程.非常简单.这是其中的一些代码:

I've found workaround! Please check this tutorial by Lance Gleason. It is pretty simple. Here is some code from it:

@Override
public void onStart() {
    super.onStart();
    getView().post(new Runnable() {
        @Override
        public void run() {
            setupGradient(chartDaySpeed);
        }
    });
}

private void setupGradient(LineChart mChart) {
    Paint paint = mChart.getRenderer().getPaintRender();
    int height = mChart.getHeight();

    LinearGradient linGrad = new LinearGradient(0, 0, 0, height,
            getResources().getColor(android.R.color.holo_green_light),
            getResources().getColor(android.R.color.holo_red_light),
            Shader.TileMode.REPEAT);
    paint.setShader(linGrad);
}

这也是结果:

折线图渐变结果

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