com.github.mikephil.charting.formatter.PercentFormatter Java Examples

/**
 * 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 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();
    }
 

protected void setup(Chart<?> chart) {

        mTf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");

        // no description text
        chart.setDescription("");
        chart.setNoDataTextDescription("You need to provide data for the chart.");

        // enable touch gestures
        chart.setTouchEnabled(true);

        if (chart instanceof BarLineChartBase) {

            BarLineChartBase mChart = (BarLineChartBase) chart;

            mChart.setDrawGridBackground(false);

            // enable scaling and dragging
            mChart.setDragEnabled(true);
            mChart.setScaleEnabled(true);

            // if disabled, scaling can be done on x- and y-axis separately
            mChart.setPinchZoom(false);

            YAxis leftAxis = mChart.getAxisLeft();
            leftAxis.removeAllLimitLines(); // reset all limit lines to avoid overlapping lines
            leftAxis.setTypeface(mTf);
            leftAxis.setTextSize(8f);
            leftAxis.setTextColor(Color.DKGRAY);
            leftAxis.setValueFormatter(new PercentFormatter());

            XAxis xAxis = mChart.getXAxis();
            xAxis.setTypeface(mTf);
            xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
            xAxis.setTextSize(8f);
            xAxis.setTextColor(Color.DKGRAY);

            mChart.getAxisRight().setEnabled(false);
        }
    }
 

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 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);
}
 

@SuppressLint("InflateParams")
@Override
public View getView(int position, View convertView, Context c) {

    ViewHolder holder;

    if (convertView == null) {

        holder = new ViewHolder();

        convertView = LayoutInflater.from(c).inflate(
                R.layout.stats_item_piechart, null);
        holder.chart = convertView.findViewById(R.id.chart);

        convertView.setTag(holder);

    } else {
        holder = (ViewHolder) convertView.getTag();
    }

    // apply styling
    holder.chart.getDescription().setEnabled(false);
    holder.chart.setHoleRadius(52f);
    holder.chart.setTransparentCircleRadius(57f);
    holder.chart.setCenterText(mCenterText);
    holder.chart.setCenterTextSize(9f);
    holder.chart.setUsePercentValues(true);
    holder.chart.setExtraOffsets(5, 10, 50, 10);

    mChartData.setValueFormatter(new PercentFormatter());
    mChartData.setValueTextSize(11f);
    mChartData.setValueTextColor(Color.WHITE);
    // set data
    holder.chart.setData((PieData) mChartData);

    Legend l = holder.chart.getLegend();
    l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
    l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
    l.setOrientation(Legend.LegendOrientation.VERTICAL);
    l.setDrawInside(false);
    l.setYEntrySpace(0f);
    l.setYOffset(0f);

    holder.chart.animateY(900);

    return convertView;
}
 

@SuppressLint("InflateParams")
@Override
public View getView(int position, View convertView, Context c) {

    ViewHolder holder;

    if (convertView == null) {

        holder = new ViewHolder();

        convertView = LayoutInflater.from(c).inflate(
                R.layout.list_item_piechart, null);
        holder.chart = convertView.findViewById(R.id.chart);

        convertView.setTag(holder);

    } else {
        holder = (ViewHolder) convertView.getTag();
    }

    // apply styling
    holder.chart.getDescription().setEnabled(false);
    holder.chart.setHoleRadius(52f);
    holder.chart.setTransparentCircleRadius(57f);
    holder.chart.setCenterText(mCenterText);
    holder.chart.setCenterTextTypeface(mTf);
    holder.chart.setCenterTextSize(9f);
    holder.chart.setUsePercentValues(true);
    holder.chart.setExtraOffsets(5, 10, 50, 10);

    mChartData.setValueFormatter(new PercentFormatter());
    mChartData.setValueTypeface(mTf);
    mChartData.setValueTextSize(11f);
    mChartData.setValueTextColor(Color.WHITE);
    // set data
    holder.chart.setData((PieData) mChartData);

    Legend l = holder.chart.getLegend();
    l.setVerticalAlignment(Legend.LegendVerticalAlignment.TOP);
    l.setHorizontalAlignment(Legend.LegendHorizontalAlignment.RIGHT);
    l.setOrientation(Legend.LegendOrientation.VERTICAL);
    l.setDrawInside(false);
    l.setYEntrySpace(0f);
    l.setYOffset(0f);

    // do not forget to refresh the chart
    // holder.chart.invalidate();
    holder.chart.animateY(900);

    return convertView;
}
 

@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);
}
 

protected void styleData(ChartData data) {
    data.setValueTypeface(mTf);
    data.setValueTextSize(8f);
    data.setValueTextColor(Color.DKGRAY);
    data.setValueFormatter(new PercentFormatter());
}
 

@Override
public View getView(int position, View convertView, Context c) {

    ViewHolder holder = null;

    if (convertView == null) {

        holder = new ViewHolder();

        convertView = LayoutInflater.from(c).inflate(
                R.layout.list_item_piechart, null);
        holder.chart = (PieChart) convertView.findViewById(R.id.chart);

        convertView.setTag(holder);

    } else {
        holder = (ViewHolder) convertView.getTag();
    }

    // apply styling
    holder.chart.setDescription("");
    holder.chart.setHoleRadius(52f);
    holder.chart.setTransparentCircleRadius(57f);
    holder.chart.setCenterText(mCenterText);
    holder.chart.setCenterTextTypeface(mTf);
    holder.chart.setCenterTextSize(9f);
    holder.chart.setUsePercentValues(true);
    holder.chart.setExtraOffsets(5, 10, 50, 10);

    mChartData.setValueFormatter(new PercentFormatter());
    mChartData.setValueTypeface(mTf);
    mChartData.setValueTextSize(11f);
    mChartData.setValueTextColor(Color.WHITE);
    // set data
    holder.chart.setData((PieData) mChartData);

    Legend l = holder.chart.getLegend();
    l.setPosition(LegendPosition.RIGHT_OF_CHART);
    l.setYEntrySpace(0f);
    l.setYOffset(0f);

    // do not forget to refresh the chart
    // holder.chart.invalidate();
    holder.chart.animateY(900);

    return convertView;
}
 

protected void setYAxisConfig(YAxis axis, ReadableMap propMap) {
    if (BridgeUtils.validate(propMap, ReadableType.Number, "axisMaxValue")) {
        axis.setAxisMaxValue((float) propMap.getDouble("axisMaxValue"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "axisMinValue")) {
        axis.setAxisMinValue((float) propMap.getDouble("axisMinValue"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "inverted")) {
        axis.setInverted(propMap.getBoolean("inverted"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "spaceTop")) {
        axis.setSpaceTop((float) propMap.getDouble("spaceTop"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "spaceBottom")) {
        axis.setSpaceBottom((float) propMap.getDouble("spaceBottom"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "showOnlyMinMax")) {
        axis.setShowOnlyMinMax(propMap.getBoolean("showOnlyMinMax"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "labelCount")) {
        boolean labelCountForce = false;
        if (BridgeUtils.validate(propMap, ReadableType.Boolean, "labelCountForce")) {
            labelCountForce = propMap.getBoolean("labelCountForce");
        }
        axis.setLabelCount(propMap.getInt("labelCount"), labelCountForce);
    }
    if (BridgeUtils.validate(propMap, ReadableType.String, "position")) {
        axis.setPosition(YAxis.YAxisLabelPosition.valueOf(propMap.getString("position")));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "granularity")) {
        axis.setGranularity((float) propMap.getDouble("granularity"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "granularityEnabled")) {
        axis.setGranularityEnabled(propMap.getBoolean("granularityEnabled"));
    }


    // formatting
    if (BridgeUtils.validate(propMap, ReadableType.String, "valueFormatter")) {
        String valueFormatter = propMap.getString("valueFormatter");

        if ("largeValue".equals(valueFormatter)) {
            axis.setValueFormatter(new LargeValueFormatter());
        } else if ("percent".equals(valueFormatter)) {
            axis.setValueFormatter(new PercentFormatter());
        } else {
            axis.setValueFormatter(new CustomFormatter(valueFormatter));
        }
    }

    // TODO docs says the remaining config needs to be applied before setting data. Test it
    // zero line
    if (BridgeUtils.validate(propMap, ReadableType.Map, "zeroLine")) {
        ReadableMap zeroLineConfig = propMap.getMap("zeroLine");

        if (BridgeUtils.validate(zeroLineConfig, ReadableType.Boolean, "enabled")) {
            axis.setDrawZeroLine(zeroLineConfig.getBoolean("enabled"));
        }
        if (BridgeUtils.validate(zeroLineConfig, ReadableType.Number, "lineWidth")) {
            axis.setZeroLineWidth((float) zeroLineConfig.getDouble("lineWidth"));
        }
        if (BridgeUtils.validate(zeroLineConfig, ReadableType.String, "lineColor")) {
            axis.setZeroLineColor(Color.parseColor(zeroLineConfig.getString("lineColor")));
        }
    }
}
 

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();
    }