MPAndroidChart是有办法对不同的酒吧设置不同的颜色? [英] MPAndroidChart is there a way to set different colors for different bars?

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问题描述

我在我的应用程序中使用MPAndroidChart,我想知道如果有一种方法来设置动态移动条形图中的第一棒,这样的颜色diferent:

将条动态添加,而整个堆栈被移动到左侧为数据不断到来,有没有办法设置第一个栏的颜色是不同的颜色?
预先感谢您。

编辑:
这里是我的code添加新条目到图表,它发生每500米利斯dynamicaly左右。

 私人无效addBarEntry(浮点值){
    BarData数据= mDownloadChart.getData();    如果(数据!= NULL){        BarDataSet套= data.getDataSetByIndex(0);
        // set.addEntry(...); //可以称为以及        如果(设置== NULL){
            设定= createBarSet();
            data.addDataSet(套);
        }        //首先添加一个新的x值
        data.addXValue(set.getEntryCount()+);        //随机选择一个数据集
        // INT randomDataSetIndex =(int)的(的Math.random()* data.getDataSetCount());        data.addEntry(新BarEntry(值,set.getEntryCount()),0);        //让图表知道它的数据已经改变
        mDownloadChart.notifyDataSetChanged();        SLog.d(TAG,下载值:+值);        mDownloadChart.setVisibleXRange(10);
        mDownloadChart.moveViewToX(mDownloadChart.getHighestVisibleXIndex() - 5);        //重新绘制图表
        mDownloadChart.invalidate();
    }
}

由于@Philipp Jahoda我得到它的工作,只需添加这块code在你的addEntry方法:

  INT [] =色彩新INT [set.getEntryCount()];
            的for(int i = 0; I< colors.length;我++){
                颜色[I] = Color.parseColor(你的十六进制颜色换全项);
            }
            颜色[colors.length-1] = Color.parseColor(你的十六进制颜色换最后条目);            set.setColors(颜色);


解决方案

对了,还有,它在的文档

基本上你可以设置图表中的每个酒吧单独的颜色。这是此刻有点不方便,因为在你的情况下,你必须设置每种颜色为红色,而最后一种颜色绿色。

我在努力改进这一点。

I am using MPAndroidChart in my app and i was wondering if there is a way to set a diferent color for the first bar in a dynamically moving bar chart, like this:

The bars are added dynamically while the whole stack is being moved to the left as the data keeps coming, is there a way to set the color of the first bar to be a different color? thank you in advance.

EDIT: here is my code for adding a new entry to the chart, it occurs dynamicaly every 500 millis or so.

 private void addBarEntry(float value) {


    BarData data = mDownloadChart.getData();

    if(data != null) {

        BarDataSet set = data.getDataSetByIndex(0);
        // set.addEntry(...); // can be called as well

        if (set == null) {
            set = createBarSet();
            data.addDataSet(set);
        }

        // add a new x-value first
        data.addXValue(set.getEntryCount() + "");

        // choose a random dataSet
        //int randomDataSetIndex = (int) (Math.random() * data.getDataSetCount());

        data.addEntry(new BarEntry(value, set.getEntryCount()), 0);

        // let the chart know it's data has changed
        mDownloadChart.notifyDataSetChanged();

        SLog.d(TAG, "download value: "+value);

        mDownloadChart.setVisibleXRange(10);
        mDownloadChart.moveViewToX(mDownloadChart.getHighestVisibleXIndex()-5);

        // redraw the chart
        mDownloadChart.invalidate();
    }
}

Thanks to @Philipp Jahoda I got it to work, just add this piece of code in you addEntry method:

int[] colors = new int[set.getEntryCount()];
            for (int i = 0; i<colors.length; i++){
                colors[i]=Color.parseColor("your-hex-color-for-all-entries");
            }
            colors[colors.length-1] = Color.parseColor("your-hex-color-for-last-entry");

            set.setColors(colors);

解决方案

Yes, there is, it's in the documentation.

Basically you can set a separate color for each bar in the chart. It's a little inconvenient at the moment because in your case you have to set each color to "red" and the last color to "green".

I'm working on improving that.

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