Java Code Examples for com.github.mikephil.charting.charts.PieChart#setCenterText()

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.frag_simple_pie, container, false);
    
    mChart = (PieChart) v.findViewById(R.id.pieChart1);
    mChart.setDescription("");
    
    Typeface tf = Typeface.createFromAsset(getActivity().getAssets(), "OpenSans-Light.ttf");
    
    mChart.setCenterTextTypeface(tf);
    mChart.setCenterText(generateCenterText());
    mChart.setCenterTextSize(10f);
    mChart.setCenterTextTypeface(tf);
     
    // radius of the center hole in percent of maximum radius
    mChart.setHoleRadius(45f);
    mChart.setTransparentCircleRadius(50f);
    
    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.RIGHT_OF_CHART);
    
    mChart.setData(generatePieData());
    
    return v;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_piechart_noseekbar);

    mChart = (PieChart) findViewById(R.id.chart1);
    setup(mChart);

    mChart.setCenterText(generateCenterSpannableText());
}
 

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();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_graphic);

    pieChart = (PieChart) findViewById(R.id.idPieChart);
    pieChart.setRotationEnabled(true);
    pieChart.setHoleRadius(25f);
    pieChart.setTransparentCircleAlpha(0);
    pieChart.setCenterText("Төлөвлөгөө");
    pieChart.setCenterTextSize(10);
    pieChart.setDrawEntryLabels(true);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    addDataSet();

    pieChart.setOnChartValueSelectedListener(new OnChartValueSelectedListener() {
        @Override
        public void onValueSelected(Entry e, Highlight h) {
            Log.d(TAG, "onValueSelected: Value select from chart.");
            Log.d(TAG, "onValueSelected: " + e.toString());
            Log.d(TAG, "onValueSelected: " + h.toString());

            int pos1 = e.toString().indexOf("(sum): ");
            String sales = e.toString().substring(pos1 + 7);

            for(int i = 0; i < yData.length; i++){
                if(yData[i] == Float.parseFloat(sales)){
                    pos1 = i;
                    break;
                }
            }
            String employee = xData[pos1 + 1];
            Toast.makeText(GraphicActivity.this, "Employee " + employee + "\n" + "Sales: $" + sales + "K", Toast.LENGTH_LONG).show();
        }

        @Override
        public void onNothingSelected() {

        }
    });

 }
 

/**
 * Creates a PieData object containing entries with the numbers of due and not due challenges.
 *
 * @param chart the PieChart object the calculated data will be applied to
 * @param type  the type of the statistic to be created
 * @return a list of the ids of the shown challenges, if a most played / failed / succeeded
 * challenges chart is created. Otherwise null will be returned.
 */
public List<Long> fillChart(PieChart chart, StatisticType type) {
    if (chart == null) return null;

    //Clear the chart for reloading
    chart.clear();

    //Create chart data
    List<Long> shownChallenges = new ArrayList<>();
    PieData data;

    //Find chart data and apply type specific settings
    switch (type) {
        case TYPE_DUE:
            data = mDataLogic.findDueData();
            chart.setCenterText(mApplication.getString(R.string.due_chart_center_text));
            break;
        case TYPE_STAGE:
            data = mDataLogic.findStageData();
            chart.setCenterText(mApplication.getString(R.string.stage_chart_center_text));
            break;
        default:
            data = mDataLogic.findMostPlayedData(type, shownChallenges);
            chart.setCenterText("");
            chart.getLegend().setEnabled(false);
    }

    if (data != null) {
        //Add data to chart
        chart.setData(data);

        //Apply default chart settings to the chart
        mSettings.applyChartSettings(chart);
    } else {
        //Format the no data text of the chart
        mSettings.applyNoDataSettings(chart);
    }

    //If there are shown challenges in the List object return the List object, else return null
    return (shownChallenges.size() > 0) ? shownChallenges : null;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_piechart);

    tvX = (TextView) findViewById(R.id.tvXMax);
    tvY = (TextView) findViewById(R.id.tvYMax);

    mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
    mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);

    mSeekBarY.setProgress(10);

    mSeekBarX.setOnSeekBarChangeListener(this);
    mSeekBarY.setOnSeekBarChangeListener(this);

    mChart = (PieChart) findViewById(R.id.chart1);
    mChart.setUsePercentValues(true);
    mChart.setDescription("");
    mChart.setExtraOffsets(5, 10, 5, 5);

    mChart.setDragDecelerationFrictionCoef(0.95f);

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

    mChart.setCenterTextTypeface(Typeface.createFromAsset(getAssets(), "OpenSans-Light.ttf"));
    mChart.setCenterText(generateCenterSpannableText());

    mChart.setDrawHoleEnabled(true);
    mChart.setHoleColor(Color.WHITE);

    mChart.setTransparentCircleColor(Color.WHITE);
    mChart.setTransparentCircleAlpha(110);

    mChart.setHoleRadius(58f);
    mChart.setTransparentCircleRadius(61f);

    mChart.setDrawCenterText(true);

    mChart.setRotationAngle(0);
    // enable rotation of the chart by touch
    mChart.setRotationEnabled(true);
    mChart.setHighlightPerTapEnabled(true);

    // mChart.setUnit(" €");
    // mChart.setDrawUnitsInChart(true);

    // add a selection listener
    mChart.setOnChartValueSelectedListener(this);

    setData(3, 100);

    mChart.animateY(1400, Easing.EasingOption.EaseInOutQuad);
    // mChart.spin(2000, 0, 360);

    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.RIGHT_OF_CHART);
    l.setXEntrySpace(7f);
    l.setYEntrySpace(0f);
    l.setYOffset(0f);
}
 

@ReactProp(name = "centerText")
public void setCenterText(PieChart chart, String text) {
    chart.setCenterText(text);
}
 

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();
    }