Java BarData.addDataSet方法代码示例

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
/**
 * 柱形图数据
 */
private BarData generateBarData() {
    BarData barData = new BarData();
    ArrayList<BarEntry> entries1 = new ArrayList<>();
    for (int index = 0; index < items.size(); index++) {
        entries1.add(new BarEntry(index + 1f, (float) items.get(index).main_data.getData()));
    }
    BarDataSet barDataSet = new BarDataSet(entries1, "当前数据");
    barDataSet.setValues(entries1);
    barDataSet.setDrawValues(false);//是否在线上显示值
    barDataSet.setColor(Color.rgb(230, 230, 230));
    barDataSet.setHighLightColor(Color.parseColor(items.get(dateSelected).state.getColor()));
    barDataSet.setValueTextColor(Color.rgb(60, 220, 78));
    barDataSet.setValueTextSize(10f);
    barDataSet.setAxisDependency(YAxis.AxisDependency.LEFT);
    float barWidth = 0.45f;
    barData.addDataSet(barDataSet);
    barData.setBarWidth(barWidth);
    return barData;
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
/**
 * 展示柱状图(多条)
 *
 * @param xAxisValues
 * @param yAxisValues
 * @param labels
 * @param colours
 */
public void showBarChart(List<Float> xAxisValues, List<List<Float>> yAxisValues, List<String> labels, List<Integer> colours) {
    initLineChart();
    BarData data = new BarData();
    for (int i = 0; i < yAxisValues.size(); i++) {
        ArrayList<BarEntry> entries = new ArrayList<>();
        for (int j = 0; j < yAxisValues.get(i).size(); j++) {

            entries.add(new BarEntry(xAxisValues.get(j), yAxisValues.get(i).get(j)));
        }
        BarDataSet barDataSet = new BarDataSet(entries, labels.get(i));

        barDataSet.setColor(colours.get(i));
        barDataSet.setValueTextColor(colours.get(i));
        barDataSet.setValueTextSize(10f);
        barDataSet.setAxisDependency(YAxis.AxisDependency.LEFT);
        data.addDataSet(barDataSet);
    }
    int amount = yAxisValues.size();

    float groupSpace = 0.12f; //柱状图组之间的间距
    float barSpace = (float) ((1 - 0.12) / amount / 10); // x4 DataSet
    float barWidth = (float) ((1 - 0.12) / amount / 10 * 9); // x4 DataSet

    // (0.2 + 0.02) * 4 + 0.08 = 1.00 -> interval per "group"
    xAxis.setLabelCount(xAxisValues.size() - 1, false);
    data.setBarWidth(barWidth);


    data.groupBars(0, groupSpace, barSpace);
    mBarChart.setData(data);
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
/**
 * Creates the bar chart showing counters visually.
 */
private void createBarChart(BarChart barChart) {
    if (game != null) {
        ArrayList<BarEntry> entries = new ArrayList<>();
        ArrayList<BarEntry> entries2 = new ArrayList<>();
        // create simple bar chart

        // fill single rolls, 1..6
        int[] counts = sr.getCounts();
        for (int i = 0; i < counts.length; i++) {
            entries.add(new BarEntry(counts[i], i));
        }
        // fill double roll sums, 2..12
        counts = dr.getSumCount();
        for (int i = 0; i < counts.length; i++) {
            entries2.add(new BarEntry(counts[i], i + 1));
        }

        BarDataSet dataset = new BarDataSet(entries, "# of single rolls: " + sr.getTotal());
        BarDataSet dataset2 = new BarDataSet(entries2, "# of double rolls: " + dr.getTotal());

        ArrayList<String> labels = new ArrayList<>();
        // fill label for dice roll sums, 1..12
        for (int i = 0; i < 12; i++) {
            labels.add(Integer.toString(i + 1));
        }

        // explicit color resolving with util, see AboutActivity#demoBarChart
        List<Integer> colors = ColorTemplate.createColors(getResources(), new int[]{R.color.colorSingleRoll, R.color.colorDoubleRoll});
        //dataset.setColors(ColorTemplate.COLORFUL_COLORS);
        dataset.setColor(colors.get(0));
        dataset2.setColor(colors.get(1));

        BarData data = new BarData(labels, dataset);
        data.addDataSet(dataset2);
        barChart.setData(data);
    }
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
private BarData generateBarData(float index, float dis) {

        ArrayList<BarEntry> entries = new ArrayList<>();


        for (int i = 0; i < count; i++) {
            float a = new Random().nextInt(40) / 100f + 0.1f;
            float b = new Random().nextInt(40) / 100f + 0.1f;
            entries.add(new BarEntry(index, new float[]{a, b, 1 - a - b}));
            index += dis;
        }

        BarDataSet set = new BarDataSet(entries, "hello");
        set.setStackLabels(new String[]{"1", "2"});
        set.setColors(new int[]{Color.rgb(154, 209, 253), Color.rgb(254, 206, 121), Color.rgb(253, 136, 95)});
        set.setValueTextColor(Color.rgb(61, 165, 255));
        set.setValueTextSize(10f);
        set.setAxisDependency(YAxis.AxisDependency.LEFT);


        ArrayList<IBarDataSet> threebardata = new ArrayList<>();

        BarData d = new BarData(threebardata);
        d.setBarWidth(0.4f);
        d.setDrawValues(true);

        d.addDataSet(set);

        d.setValueFormatter(new IValueFormatter() {
            @Override
            public String getFormattedValue(float value, Entry entry, int dataSetIndex, ViewPortHandler viewPortHandler) {
                return toPercentDecimalStr(value);
            }
        });
        return d;
    }
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
@Before
public void setUp() {
    mockStatic(android.graphics.Color.class);
    when(android.graphics.Color.rgb(anyInt(), anyInt(), anyInt())).thenReturn(0);
    barData = new BarData();
    barData.setBarWidth((1f - HistogramChart.GROUP_SPACE)/1);
    barData.addDataSet(new BarDataSet(new ArrayList<BarEntry>(), "SomeLabel"));
    data = new HistogramChart.HistogramData(1, 5f);
    data.addEntry(barData, 0, 12);
    data.addEntry(barData, 0, 14);
    data.addEntry(barData, 0, 16);
    data.addEntry(barData, 0, 21);
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
private void addDataSet(GraphData graphData) {
    Log.e("yangjun", "----- addDataSet ----");
    BarData barData = partBartChart.getData();
    if (barData != null) {
        Log.e("yangjun", "----- clear values ----");
        barData.clearValues();
    }

    List<Partition> partitions = graphData.getPartitions();
    // READ
    ArrayList<BarEntry> yVals1 = new ArrayList<BarEntry>();
    for (int i = 0; i < partitions.size(); i++) {
        yVals1.add(new BarEntry(partitions.get(i).readLogs.size(), i));
    }
    // WRITE
    ArrayList<BarEntry> yVals2 = new ArrayList<BarEntry>();
    for (int i = 0; i < partitions.size(); i++) {
        yVals2.add(new BarEntry(partitions.get(i).writeLogs.size(), i));
    }

    BarDataSet set1 = new BarDataSet(yVals1, "READ");
    set1.setColor(Color.rgb(104, 241, 175));
    set1.setValueFormatter(new LargeValueFormatter());
    BarDataSet set2 = new BarDataSet(yVals2, "WRITE");
    set2.setColor(Color.rgb(164, 228, 251));
    set2.setValueFormatter(new LargeValueFormatter());

    barData.addDataSet(set1);
    barData.addDataSet(set2);

    partBartChart.notifyDataSetChanged();
    partBartChart.invalidate();
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
private BarData generateBarData() {

        BarData d = new BarData();

        ArrayList<BarEntry> entries = new ArrayList<BarEntry>();

        for (int index = 0; index < itemcount; index++)
            entries.add(new BarEntry(getRandom(15, 30), index));

        BarDataSet set = new BarDataSet(entries, "Bar DataSet");
        set.setColor(Color.rgb(60, 220, 78));
        set.setValueTextColor(Color.rgb(60, 220, 78));
        set.setValueTextSize(10f);
        d.addDataSet(set);

        set.setAxisDependency(YAxis.AxisDependency.LEFT);

        return d;
    }