Java Code Examples for com.github.mikephil.charting.data.PieData#setValueFormatter()

/**
 * Updates the data in the pie chart with all the runs.
 */
private void updatePieChart() {
    ArrayList<PieEntry> entries = filterPieEntries();
    PieDataSet dataSet = new PieDataSet(entries, "Predictions");
    dataSet.setDrawIcons(false);
    dataSet.setSliceSpace(2f);
    dataSet.setIconsOffset(new MPPointF(0, 40));
    dataSet.setSelectionShift(5f);
    dataSet.setColors(new int[]{R.color.classification_low_intensity, R.color.classification_medium_intensity, R.color.classification_high_intensity}, getActivity());
    PieData data = new PieData(dataSet);
    data.setValueFormatter(new PercentFormatter());
    data.setValueTextSize(22f);
    data.setValueTextColor(Color.WHITE);
    mChart.setData(data);
    mChart.invalidate();
}
 

private void updateChart(String totalSpace, List<PieEntry> entries) {
    boolean isDarkTheme = appTheme.getMaterialDialogTheme() == Theme.DARK;

    PieDataSet set = new PieDataSet(entries, null);
    set.setColors(COLORS);
    set.setXValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);
    set.setYValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);
    set.setSliceSpace(5f);
    set.setAutomaticallyDisableSliceSpacing(true);
    set.setValueLinePart2Length(1.05f);
    set.setSelectionShift(0f);

    PieData pieData = new PieData(set);
    pieData.setValueFormatter(new GeneralDialogCreation.SizeFormatter(context));
    pieData.setValueTextColor(isDarkTheme? Color.WHITE:Color.BLACK);

    chart.setCenterText(new SpannableString(context.getString(R.string.total) + "\n" + totalSpace));
    chart.setData(pieData);
}
 

private void setData(int count, float range) {

        ArrayList<PieEntry> values = new ArrayList<>();

        for (int i = 0; i < count; i++) {
            values.add(new PieEntry((float) ((Math.random() * range) + range / 5), parties[i % parties.length]));
        }

        PieDataSet dataSet = new PieDataSet(values, "Election Results");
        dataSet.setSliceSpace(3f);
        dataSet.setSelectionShift(5f);

        dataSet.setColors(ColorTemplate.MATERIAL_COLORS);
        //dataSet.setSelectionShift(0f);

        PieData data = new PieData(dataSet);
        data.setValueFormatter(new PercentFormatter());
        data.setValueTextSize(11f);
        data.setValueTextColor(Color.WHITE);
        data.setValueTypeface(tfLight);
        chart.setData(data);

        chart.invalidate();
    }
 

private void setData(long tips, long transactionsToRequest) {

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

        entries.add(new PieEntry(tips, getString(R.string.tips) + " " + "(" + tips + ")"));
        entries.add(new PieEntry(transactionsToRequest, getString(R.string.transactions_to_request) + " " + "(" + transactionsToRequest + ")"));

        PieDataSet dataSet = new PieDataSet(entries, getString(R.string.transactions) + "\n(" + (tips + transactionsToRequest) + ")");

        dataSet.setSliceSpace(3f);
        dataSet.setSelectionShift(5f);

        // add a lot of colors

        ArrayList<Integer> colors = new ArrayList<>();

        for (int c : ColorTemplate.LIBERTY_COLORS)
            colors.add(c);

        dataSet.setColors(colors);

        dataSet.setValueLinePart1OffsetPercentage(80.f);
        dataSet.setValueLinePart1Length(0.2f);
        dataSet.setValueLinePart2Length(0.4f);
        dataSet.setXValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);
        dataSet.setYValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);
        dataSet.setValueTextColor(ContextCompat.getColor(getActivity(), R.color.colorPrimary));

        PieData data = new PieData(dataSet);
        data.setValueFormatter(new PercentFormatter());
        data.setValueTextSize(12f);
        data.setValueTextColor(ContextCompat.getColor(getActivity(), R.color.colorPrimary));
        chart.setData(data);

        // undo all highlights
        chart.highlightValues(null);
        chart.invalidate();
    }
 

private void setData(PieChart colorPie, float value) {

        ArrayList<PieEntry> entries = new ArrayList<PieEntry>();
        float result = value / 5f;
        Log.d(TAG + " result ", result + "");
        entries.add(new PieEntry(result, 0));
        entries.add(new PieEntry(1 - result, 1));
        // NOTE: The order of the entries when being added to the entries array determines their position around the center of
        // the chart.

//        colorPie.setCenterTextTypeface(mTfLight);
        int centerTextColor = android.graphics.Color.argb(255, 57, 197, 193);
        colorPie.setCenterTextColor(centerTextColor);

        PieDataSet dataSet = new PieDataSet(entries, "");
        dataSet.setSliceSpace(3f);
        dataSet.setSelectionShift(3f);

        // add a lot of colors
        ArrayList<Integer> colors = new ArrayList<Integer>();
        colors.add(Color.argb(120, 57, 197, 193));
        colorPie.setCenterText(value + "");
        colorPie.setCenterTextSize(30);

        colors.add(Color.argb(100, 214, 214, 214));
        dataSet.setColors(colors);

        PieData data = new PieData(dataSet);
        data.setValueFormatter(new PercentFormatter());
        data.setValueTextSize(0f);
        data.setValueTextColor(Color.WHITE);
        colorPie.setData(data);

        // undo all highlights
        colorPie.highlightValues(null);

        colorPie.invalidate();
    }
 

private void updateChartData(PieChart chart) {
    ArrayList<PieEntry> entries = new ArrayList<>();
    ArrayList<Integer> colors = new ArrayList<>();

    double sum = 0;
    for (int i = 0; i < categorizedExpenses.getCategories().size(); i++) {
        Category c = categorizedExpenses.getCategory(i);
        Report r = categorizedExpenses.getReport(c);
        sum += r.getTotalAmount().doubleValue();
        entries.add(new PieEntry((int) (r.getTotalAmount().doubleValue() * 1000), c.getTitle()));
        colors.add(c.getColor());
    }

    PieDataSet dataSet = new PieDataSet(entries, "Outlay");
    dataSet.setSliceSpace(2f);
    dataSet.setSelectionShift(10f);
    dataSet.setColors(colors);

    PieData data = new PieData(dataSet);
    data.setValueFormatter((value, entry, dataSetIndex, viewPortHandler) -> NumberUtils.formatAmount((double) value / 1000));
    data.setValueTextSize(11f);
    data.setValueTextColor(Color.WHITE);
    chart.setData(data);
    chart.setCenterText(NumberUtils.formatAmount(sum));
    chart.highlightValues(null);
    chart.invalidate();
}
 

private void setRNEData(List<Double> classRangeValue) {
    ArrayList<Entry> yVals1 = new ArrayList<Entry>();

    // IMPORTANT: In a PieChart, no values (Entry) should have the same
    // xIndex (even if from different DataSets), since no values can be
    // drawn above each other.
    catNE= getResources().getStringArray(R.array.catNE_list_array);
    ArrayList<String> xVals = new ArrayList<String>();
    double maxValue = 0;
    int maxClassId = 0;
    for (int idEntry = 0; idEntry < classRangeValue.size(); idEntry++) {
        float value = classRangeValue.get(classRangeValue.size() - 1 - idEntry).floatValue();
        // Fix background color issue if the pie is too thin
        if(value < 0.01) {
            value = 0;
        }
        yVals1.add(new Entry(value, idEntry));
        xVals.add(catNE[idEntry]);
        if (value > maxValue) {
            maxClassId = idEntry;
            maxValue = value;
        }
    }

    PieDataSet dataSet = new PieDataSet(yVals1,Results.this.getString(R.string.caption_SL));
    dataSet.setSliceSpace(3f);
    dataSet.setColors(NE_COLORS);

    PieData data = new PieData(xVals, dataSet);
    data.setValueFormatter(new CustomPercentFormatter());
    data.setValueTextSize(8f);
    data.setValueTextColor(Color.BLACK);
    rneChart.setData(data);

    // highlight the maximum value of the RNE
    // Find the maximum of the array, in order to be highlighted
    Highlight h = new Highlight(maxClassId, 0);
    rneChart.highlightValues(new Highlight[] { h });
    rneChart.invalidate();
}
 

private void setNEIData() {

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

        // IMPORTANT: In a PieChart, no values (Entry) should have the same
        // xIndex (even if from different DataSets), since no values can be
        // drawn above each other.
        yVals1.add(new Entry( record.getLeqMean(), 0));

        ArrayList<String> xVals = new ArrayList<String>();

        xVals.add(catNE[0 % catNE.length]);

        PieDataSet dataSet = new PieDataSet(yVals1, "NEI");
        dataSet.setSliceSpace(3f);
        int nc=getNEcatColors(record.getLeqMean());    // Choose the color category in function of the sound level
        dataSet.setColor(NE_COLORS[nc]);   // Apply color category for the corresponding sound level

        PieData data = new PieData(xVals, dataSet);
        data.setValueFormatter(new PercentFormatter());
        data.setValueTextSize(11f);
        data.setValueTextColor(Color.BLACK);
        data.setDrawValues(false);

        neiChart.setData(data);
        neiChart.setCenterText(String.format(Locale.getDefault(), "%.1f", record.getLeqMean())
                .concat(" dB(A)" + ""));
        neiChart.invalidate();
    }
 

private void setCategoriesPieChart() {

        List<String> categoriesNames = new ArrayList<>();
        List<Entry> categoryPercentagesEntries = new ArrayList<>();

        for (int i=0; i < mCategoryList.size(); i++) {
            float percentage = Expense.getExpensesCategoryPercentage(DateManager.getInstance().getDateFrom(), DateManager.getInstance().getDateTo(), mCategoryList.get(i));
            if( percentage > 0) {
                categoriesNames.add(mCategoryList.get(i).getName());
                Entry pieEntry = new Entry(percentage, categoriesNames.size()-1);
                categoryPercentagesEntries.add(pieEntry);
            }
        }
        if (categoriesNames.isEmpty()) {
            tvPcCategoriesEmpty.setVisibility(View.VISIBLE);
            bcCategories.setVisibility(View.GONE);
        } else {
            tvPcCategoriesEmpty.setVisibility(View.GONE);
            bcCategories.setVisibility(View.VISIBLE);
        }

        PieDataSet dataSet = new PieDataSet(categoryPercentagesEntries, "Categories");
        dataSet.setSliceSpace(1f);
        dataSet.setSelectionShift(5f);

        dataSet.setColors(Util.getListColors());

        PieData data = new PieData(categoriesNames, dataSet);
        data.setValueFormatter(new PercentFormatter());
        data.setValueTextSize(11f);
        data.setValueTextColor(getResources().getColor(R.color.primary_dark));
        pcCategories.setData(data);
        pcCategories.invalidate();

    }
 

@Override
public void setStatData(int total, int memorized, int favorited, int active) {

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

    entries.add(new PieEntry((float) memorized,
            "Цээжилсэн үг " + memorized,
            getResources().getDrawable(R.drawable.ic_timeline)));
    entries.add(new PieEntry((float) favorited,
            "Цээжилж байгаа " + favorited,
            getResources().getDrawable(R.drawable.ic_timeline)));
    entries.add(new PieEntry((float) active,
            "Цээжлээгүй " + active,
            getResources().getDrawable(R.drawable.ic_timeline)));

    PieDataSet dataSet = new PieDataSet(entries, "Memorize results");

    dataSet.setDrawIcons(false);

    dataSet.setSliceSpace(3f);
    dataSet.setIconsOffset(new MPPointF(0, 40));
    dataSet.setSelectionShift(5f);

    // add a lot of colors

    ArrayList<Integer> colors = new ArrayList<Integer>();

    colors.add(getResources().getColor(R.color.chartGreen));
    colors.add(getResources().getColor(R.color.chartBlue));
    colors.add(getResources().getColor(R.color.chartPink));
    dataSet.setColors(colors);
    //dataSet.setSelectionShift(0f);

    PieData data = new PieData(dataSet);
    data.setValueFormatter(new PercentFormatter());
    data.setValueTextSize(11f);
    data.setValueTextColor(Color.WHITE);

    SpannableString s = new SpannableString("Нийт үг :" + total);
    s.setSpan(new RelativeSizeSpan(1.7f), 0, s.length(), 0);
    s.setSpan(new ForegroundColorSpan(ColorTemplate.getHoloBlue()), 0, s.length(), 0);


    pieData = new PieData(dataSet);
}
 

/**
 * 设置图表数据
 */
@Override
public void setChartData() {
    if (mMoneyMap.size() > 0) {
        mChartView.setVisibility(View.VISIBLE);
        // 设置总支出/收入
        String typeStr = mCountType == AppConfig.TYPE_COST
                ? UiUtils.getString(R.string.total_cost_chart)
                : UiUtils.getString(R.string.total_income_chart);
        mChartView.setCenterText(generateCenterSpannableText(
                String.valueOf(getTotalMoney()), typeStr));
        // 设置图表数据与颜色
        ArrayList<PieEntry> entries = new ArrayList<>();
        ArrayList<Integer> colors = new ArrayList<>();
        for (Map.Entry<String, Double> entry : mMoneyMap.entrySet()) {
            // 添加分类、金额数据
            Float money = Float.valueOf(String.valueOf(entry.getValue()));
            String type = entry.getKey();
            PieEntry pieEntry = new PieEntry(money, type);
            entries.add(pieEntry);
            // 添加从分类图片中取色的颜色
            String iconName = mIconMap.get(entry.getKey());
            Bitmap bitmap = BitmapFactory.decodeResource(getResources(), UiUtils.getImageResIdByName(iconName));
            int colorRgb = PaletteUtils.getColorRgb(bitmap);
            mColorMap.put(type,colorRgb);
            colors.add(colorRgb);
        }

        PieDataSet dataSet = new PieDataSet(entries, "");
        dataSet.setSliceSpace(3f);
        dataSet.setSelectionShift(5f);
        dataSet.setColors(colors);

        PieData data = new PieData(dataSet);
        ChartFormatter formatter = new ChartFormatter(mPercentMap, mMoneyMap.size());
        formatter.setOnFormattedValueListener(this);
        data.setValueFormatter(formatter);
        data.setValueTextSize(11f);
        data.setValueTextColor(Color.WHITE);
        mChartView.setData(data);
        mChartView.animateX(800);
    }else{
        mChartView.setVisibility(View.GONE);
    }
}
 

private void createPieChart(List<Long> contacts, List<Long> voicemails, List<Long> unavailables, long firstTimestamp) {
    Date date = new Date(firstTimestamp);

    ArrayList<Integer> colorsList = new ArrayList<>();
    // Create pie pieChart data entries and add correct colors.
    ArrayList<PieEntry> entries = new ArrayList<>();
    if (contacts.size() > 0) {
        entries.add(new PieEntry(contacts.size(), getResources().getString(R.string.contact_n)));
        colorsList.add(getResources().getColor(R.color.contacted_color));
    }
    if (voicemails.size() > 0) {
        entries.add(new PieEntry(voicemails.size(),  getResources().getString(R.string.voicemail_n)));
        colorsList.add(getResources().getColor(R.color.voicemail_color));
    }
    if (unavailables.size() > 0) {
        entries.add(new PieEntry(unavailables.size(),  getResources().getString(R.string.unavailable_n)));
        colorsList.add(getResources().getColor(R.color.unavailable_color));
    }

    PieDataSet dataSet = new PieDataSet(entries, getResources().getString(R.string.menu_stats));

    // Add colors and set visual properties for pie pieChart.
    dataSet.setColors(colorsList);
    dataSet.setSliceSpace(3f);
    dataSet.setSelectionShift(5f);
    dataSet.setValueLinePart1OffsetPercentage(80.f);
    dataSet.setValueLinePart1Length(.1f);
    dataSet.setValueLinePart2Length(.5f);
    dataSet.setValueLineColor(getResources().getColor(R.color.colorPrimaryDark));
    dataSet.setYValuePosition(PieDataSet.ValuePosition.INSIDE_SLICE);
    dataSet.setXValuePosition(PieDataSet.ValuePosition.OUTSIDE_SLICE);

    PieData data = new PieData(dataSet);
    data.setValueTextSize(18f);
    data.setValueFormatter(new DefaultValueFormatter(0));
    data.setValueTextColor(Color.WHITE);

    SpannableString insideCircleText = new SpannableString(getResources().getString(R.string.stats_summary_total)
            +"\n"
            + Integer.toString(voicemails.size()+contacts.size()+unavailables.size())
            + "\n"
            + this.dateFormat.format(date)
            + "-"
            + this.dateFormat.format(new Date(System.currentTimeMillis()))
    );
    insideCircleText.setSpan(new RelativeSizeSpan(2f), 0, insideCircleText.length() - 17, 0);

    pieChart.setData(data);
    pieChart.setCenterText(insideCircleText);
    pieChart.setCenterTextColor(getResources().getColor(R.color.colorPrimaryDark));
    pieChart.setCenterTextSize(11f);
    pieChart.setHoleRadius(70);
    pieChart.setEntryLabelColor(getResources().getColor(R.color.colorPrimaryDark));
    pieChart.getLegend().setEnabled(false);
    pieChart.setDescription(new Description());
    pieChart.getDescription().setText("");
    pieChart.invalidate();
}
 

@Override
protected void initData() {
    ivBack.setVisibility(View.VISIBLE);
    ivSetting.setVisibility(View.GONE);
    tvTitle.setText("饼状图");

    // 初始化字体库
    mTf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");

    pieChart.setDescription("目前android市场的占比情况");
    // 设置内部圆的半径
    pieChart.setHoleRadius(52f);
    // 设置包裹内部圆的半径
    pieChart.setTransparentCircleRadius(67f);

    pieChart.setCenterText("Android\n市场占比");
    // 设置中间显示的文本的字体
    pieChart.setCenterTextTypeface(mTf);
    // 设置中间显示的文本的字体大小
    pieChart.setCenterTextSize(18f);
    // 显示的各个部分的占比和是否为100%
    pieChart.setUsePercentValues(true);

    // 产生饼状图的数据
    PieData mChartData = generateDataPie();

    // 设置显示数据的格式
    mChartData.setValueFormatter(new PercentFormatter());
    mChartData.setValueTypeface(mTf);
    // 设置显示各个部分的文字的字体大小
    mChartData.setValueTextSize(11f);
    // 设置显示各个部分的文字的字体颜色
    mChartData.setValueTextColor(Color.RED);
    // set data
    pieChart.setData(mChartData);

    //获取图示的说明结构
    Legend l = pieChart.getLegend();
    //设置显示的位置
    l.setPosition(Legend.LegendPosition.RIGHT_OF_CHART);
    //设置几项说明在Y轴方向的间距
    l.setYEntrySpace(10f);
    //设置第一项距离y轴顶部的间距
    l.setYOffset(30f);

    // do not forget to refresh the chart
    // pieChart.invalidate();
    pieChart.animateXY(900, 900);
}
 

private void setData(PieChart colorPie, int order, int color) {

        ArrayList<PieEntry> entries = new ArrayList<PieEntry>();
        float colorValue = color / 255f;
        entries.add(new PieEntry(colorValue, 0));
        entries.add(new PieEntry(1 - colorValue, 1));
        // NOTE: The order of the entries when being added to the entries array determines their position around the center of
        // the chart.

//        colorPie.setCenterTextTypeface(mTfLight);
        colorPie.setCenterTextColor(ColorTemplate.getHoloBlue());

        PieDataSet dataSet = new PieDataSet(entries, "");
        dataSet.setSliceSpace(3f);
        dataSet.setSelectionShift(3f);

        // add a lot of colors
        ArrayList<Integer> colors = new ArrayList<Integer>();
        colors.clear();
        switch (order) {
            case 0:
                colors.add(Color.argb(100, color, 0, 0));
                colorPie.setCenterText("Red");
                break;
            case 1:
                colors.add(Color.argb(100, 0, color, 0));
                colorPie.setCenterText("Green");
                break;
            case 2:
                colors.add(Color.argb(100, 0, 0, color));
                colorPie.setCenterText("Blue");
                break;
        }
        colors.add(Color.argb(80, 214, 214, 214));
        dataSet.setColors(colors);

        PieData data = new PieData(dataSet);
        data.setValueFormatter(new PercentFormatter());
        data.setValueTextSize(0f);
        data.setValueTextColor(Color.WHITE);
        colorPie.setData(data);

        // undo all highlights
        colorPie.highlightValues(null);

        colorPie.invalidate();
    }