Java BarData.setValueFormatter方法代码示例

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
public void onDownloadRateSuccessful() {
    ArrayList<BarDataSet> dataSets;

    ArrayList<BarEntry> valueSet1 = new ArrayList<>();
    BarEntry v1e1 = new BarEntry(ratee.fivestar, 0); // Jan
    valueSet1.add(v1e1);
    BarEntry v1e2 = new BarEntry(ratee.fourstar, 1); // Feb
    valueSet1.add(v1e2);
    BarEntry v1e3 = new BarEntry(ratee.threestar, 2); // Mar
    valueSet1.add(v1e3);
    BarEntry v1e4 = new BarEntry(ratee.twostar, 3); // Apr
    valueSet1.add(v1e4);
    BarEntry v1e5 = new BarEntry(ratee.onestar, 4); // May
    valueSet1.add(v1e5);


    BarDataSet barDataSet1 = new BarDataSet(valueSet1, "");
    barDataSet1.setColors(ColorTemplate.COLORFUL_COLORS);


    dataSets = new ArrayList<>();
    dataSets.add(barDataSet1);
    BarData data = new BarData(getXAxisValues(), dataSets);
    //        barDataSet1.setValueTextSize(2);
    data.setValueFormatter(new MyValueFormatter());
    chart.setData(data);
    chart.getXAxis().setEnabled(false); // hides horizontal grid lines inside chart
    YAxis leftAxis = chart.getAxisLeft();
    chart.getAxisRight().setEnabled(false); // hides horizontal grid lines with below line
    leftAxis.setEnabled(false); // hides vertical grid lines  inside chart
        /*chart.animateXY(2000, 2000);*/ // for animating reviews display
    chart.invalidate();

    chart.setDescription("");    // Hide the description

    chart.setPinchZoom(true);

    leftAxis.setDrawLabels(true);
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
public BarData createBarChartData()
{
    NumberFormat numberFormat = NumberFormat.getInstance();
    numberFormat.setMinimumFractionDigits(0);
    numberFormat.setMaximumFractionDigits(2);

    mDashboardHelper = new DashboardHelper(getActivity());
    HashMap<String, ArrayList> holder = mDashboardHelper.generateTimesPerDayMap();

    ArrayList<String> xVals = holder.get("dayOfThisMonth");
    ArrayList<BarEntry> yVals1 = holder.get("episodesPerDay");

    BarDataSet set1 = new BarDataSet(yVals1, "DataSet");
    set1.setColor(0xFF2196f3);
    set1.setBarSpacePercent(40f);

    ArrayList<IBarDataSet> dataSets = new ArrayList<>();
    dataSets.add(set1);

    BarData data = new BarData(xVals, dataSets);
    data.setValueTextSize(10);
    data.setValueTypeface(Typeface.create("sans-serif-medium", Typeface.BOLD));
    data.setValueTextColor(Color.WHITE);
    data.setValueFormatter((value, entry, dataSetIndex, viewPortHandler) -> numberFormat.format(
            value));
    return data;
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {

	tvX.setText("" + (mSeekBarX.getProgress() + 1));
	tvY.setText("" + (mSeekBarY.getProgress()));

	ArrayList<String> xVals = new ArrayList<String>();
	for (int i = 0; i < mSeekBarX.getProgress() + 1; i++) {
		xVals.add(mMonths[i % mMonths.length]);
	}

	ArrayList<BarEntry> yVals1 = new ArrayList<BarEntry>();

	for (int i = 0; i < mSeekBarX.getProgress() + 1; i++) {
		float mult = (mSeekBarY.getProgress() + 1);
		float val1 = (float) (Math.random() * mult) + mult / 3;
		float val2 = (float) (Math.random() * mult) + mult / 3;
		float val3 = (float) (Math.random() * mult) + mult / 3;

		yVals1.add(new BarEntry(new float[] { val1, val2, val3 }, i));
	}

	BarDataSet set1 = new BarDataSet(yVals1, "Statistics Vienna 2014");
	set1.setColors(getColors());
	set1.setStackLabels(new String[] { "Births", "Divorces", "Marriages" });

	ArrayList<IBarDataSet> dataSets = new ArrayList<IBarDataSet>();
	dataSets.add(set1);

	BarData data = new BarData(xVals, dataSets);
	data.setValueFormatter(new MyValueFormatter());

	mChart.setData(data);
	mChart.invalidate();
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
private void setData(List<Data> dataList) {

        ArrayList<BarEntry> values = new ArrayList<BarEntry>();
        String[] dates = new String[dataList.size()];
        List<Integer> colors = new ArrayList<Integer>();

        int green = Color.rgb(110, 190, 102);
        int red = Color.rgb(211, 74, 88);

        for (int i = 0; i < dataList.size(); i++) {

            Data d = dataList.get(i);
            BarEntry entry = new BarEntry(d.yValue, d.xIndex);
            values.add(entry);

            dates[i] = dataList.get(i).xAxisValue;

            // specific colors
            if (d.yValue >= 0)
                colors.add(red);
            else
                colors.add(green);
        }

        BarDataSet set = new BarDataSet(values, "Values");
        set.setBarSpacePercent(40f);
        set.setColors(colors);
        set.setValueTextColors(colors);

        BarData data = new BarData(dates, set);
        data.setValueTextSize(13f);
        data.setValueTypeface(mTf);
        data.setValueFormatter(new ValueFormatter());

        mChart.setData(data);
        mChart.invalidate();
    }
 

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
public BarData createBarChartData()
{
    NumberFormat numberFormat = NumberFormat.getInstance();
    numberFormat.setMinimumFractionDigits(0);
    numberFormat.setMaximumFractionDigits(2);

    ArrayList<String> xVals = new ArrayList<>();
    for(int i = 0; i < 12; i++)
    {
        xVals.add(i + "");
    }

    ArrayList<BarEntry> yVals1 = new ArrayList<>();

    for(int i = 0; i < 12; i++)
    {
        float mult = (5 + 1);
        int val = (int) (Math.random() * mult);
        yVals1.add(new BarEntry((val == 0 ? 1 : val), i));
    }

    BarDataSet set1 = new BarDataSet(yVals1, "DataSet");
    set1.setColor(0xFF2196f3);
    set1.setBarSpacePercent(40f);

    ArrayList<IBarDataSet> dataSets = new ArrayList<>();
    dataSets.add(set1);

    BarData data = new BarData(xVals, dataSets);
    data.setValueTextSize(10);
    data.setValueTypeface(Typeface.create("sans-serif-medium", Typeface.BOLD));
    data.setValueTextColor(Color.WHITE);
    data.setValueFormatter((value, entry, dataSetIndex, viewPortHandler) -> numberFormat.format(
            value));
    return data;
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
public BarData createStackedBarChartData()
{
    NumberFormat numberFormat = NumberFormat.getInstance();
    numberFormat.setMinimumFractionDigits(0);
    numberFormat.setMaximumFractionDigits(2);

    ArrayList<String> xVals = new ArrayList<>();
    for(int i = 0; i < 12; i++)
    {
        xVals.add(i + "");
    }

    ArrayList<BarEntry> yVals1 = new ArrayList<>();

    for(int i = 0; i < 12; i++)
    {
        float mult = (5 + 1);
        int val = (int) (Math.random() * mult);
        yVals1.add(new BarEntry(new float[] {(val == 0 ? 1 : val - 1), 1}, i));
    }

    BarDataSet set1 = new BarDataSet(yVals1, "DataSet");
    set1.setColors(new int[] {0xFF2196f3, 0xFF3f51b5});
    set1.setBarSpacePercent(40f);

    ArrayList<IBarDataSet> dataSets = new ArrayList<>();
    dataSets.add(set1);

    BarData data = new BarData(xVals, dataSets);
    data.setValueTextSize(10);
    data.setValueTypeface(Typeface.create("sans-serif-medium", Typeface.BOLD));
    data.setValueTextColor(Color.WHITE);
    data.setValueFormatter((value, entry, dataSetIndex, viewPortHandler) -> numberFormat.format(
            value));
    return data;
}
 

import com.github.mikephil.charting.data.BarData; //导入方法依赖的package包/类
public void onDownloadRateSuccessful() {
    ArrayList<BarDataSet> dataSets;

    ArrayList<BarEntry> valueSet1 = new ArrayList<>();
    BarEntry v1e1 = new BarEntry(ratee.fivestar, 0); // Jan
    valueSet1.add(v1e1);
    BarEntry v1e2 = new BarEntry(ratee.fourstar, 1); // Feb
    valueSet1.add(v1e2);
    BarEntry v1e3 = new BarEntry(ratee.threestar, 2); // Mar
    valueSet1.add(v1e3);
    BarEntry v1e4 = new BarEntry(ratee.twostar, 3); // Apr
    valueSet1.add(v1e4);
    BarEntry v1e5 = new BarEntry(ratee.onestar, 4); // May
    valueSet1.add(v1e5);


    BarDataSet barDataSet1 = new BarDataSet(valueSet1, "");
    barDataSet1.setColors(ColorTemplate.COLORFUL_COLORS);


    dataSets = new ArrayList<>();
    dataSets.add(barDataSet1);
    BarData data = new BarData(getXAxisValues(), dataSets);
    //        barDataSet1.setValueTextSize(2);
    data.setValueFormatter(new MyValueFormatter());
    chart.setData(data);
    chart.getXAxis().setEnabled(false); // hides horizontal grid lines inside chart
    YAxis leftAxis = chart.getAxisLeft();
    chart.getAxisRight().setEnabled(false); // hides horizontal grid lines with below line
    leftAxis.setEnabled(false); // hides vertical grid lines  inside chart
        /*chart.animateXY(2000, 2000);*/ // for animating reviews display
    chart.invalidate();

    chart.setDescription("");    // Hide the description

    chart.setPinchZoom(true);

    leftAxis.setDrawLabels(true);
    DecimalFormat numberFormat = new DecimalFormat("#.0");
    txtrate.setText(Float.parseFloat(rate1) + "");

    ratingDetail.setRating(Float.parseFloat(rate1));
    txtratecount.setText(point1);
    txtcountfavorites.setText(countfavorites + " " + getResources().getString(R.string.favorites));

}