Examples with BarDataSet com.github.mikephil.charting.data.BarDataSet used on opensource projects

Example 11 with BarDataSet

use of com.github.mikephil.charting.data.BarDataSet in project MPAndroidChart by PhilJay.

the class HorizontalBarNegativeChartActivity method setData.

private void setData(int count, float range) {
    float barWidth = 9f;
    float spaceForBar = 10f;
    ArrayList<BarEntry> values = new ArrayList<>();
    for (int i = 0; i < count; i++) {
        float val = (float) (Math.random() * range - range / 2);
        values.add(new BarEntry(i * spaceForBar, val, getResources().getDrawable(R.drawable.star)));
    }
    BarDataSet set1;
    if (chart.getData() != null && chart.getData().getDataSetCount() > 0) {
        set1 = (BarDataSet) chart.getData().getDataSetByIndex(0);
        set1.setValues(values);
        chart.getData().notifyDataChanged();
        chart.notifyDataSetChanged();
    } else {
        set1 = new BarDataSet(values, "DataSet 1");
        set1.setDrawIcons(false);
        ArrayList<IBarDataSet> dataSets = new ArrayList<>();
        dataSets.add(set1);
        BarData data = new BarData(dataSets);
        data.setValueTextSize(10f);
        data.setValueTypeface(tfLight);
        data.setBarWidth(barWidth);
        chart.setData(data);
    }
}

Example 12 with BarDataSet

use of com.github.mikephil.charting.data.BarDataSet in project MPAndroidChart by PhilJay.

the class ListViewBarChartActivity method generateData.

/**
 * generates a random ChartData object with just one DataSet
 *
 * @return Bar data
 */
private BarData generateData(int cnt) {
    ArrayList<BarEntry> entries = new ArrayList<>();
    for (int i = 0; i < 12; i++) {
        entries.add(new BarEntry(i, (float) (Math.random() * 70) + 30));
    }
    BarDataSet d = new BarDataSet(entries, "New DataSet " + cnt);
    d.setColors(ColorTemplate.VORDIPLOM_COLORS);
    d.setBarShadowColor(Color.rgb(203, 203, 203));
    ArrayList<IBarDataSet> sets = new ArrayList<>();
    sets.add(d);
    BarData cd = new BarData(sets);
    cd.setBarWidth(0.9f);
    return cd;
}

Example 13 with BarDataSet

use of com.github.mikephil.charting.data.BarDataSet in project MPAndroidChart by PhilJay.

the class BarChartActivityMultiDataset method onProgressChanged.

@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
    float groupSpace = 0.08f;
    // x4 DataSet
    float barSpace = 0.03f;
    // x4 DataSet
    float barWidth = 0.2f;
    // (0.2 + 0.03) * 4 + 0.08 = 1.00 -> interval per "group"
    int groupCount = seekBarX.getProgress() + 1;
    int startYear = 1980;
    int endYear = startYear + groupCount;
    tvX.setText(String.format(Locale.ENGLISH, "%d-%d", startYear, endYear));
    tvY.setText(String.valueOf(seekBarY.getProgress()));
    ArrayList<BarEntry> values1 = new ArrayList<>();
    ArrayList<BarEntry> values2 = new ArrayList<>();
    ArrayList<BarEntry> values3 = new ArrayList<>();
    ArrayList<BarEntry> values4 = new ArrayList<>();
    float randomMultiplier = seekBarY.getProgress() * 100000f;
    for (int i = startYear; i < endYear; i++) {
        values1.add(new BarEntry(i, (float) (Math.random() * randomMultiplier)));
        values2.add(new BarEntry(i, (float) (Math.random() * randomMultiplier)));
        values3.add(new BarEntry(i, (float) (Math.random() * randomMultiplier)));
        values4.add(new BarEntry(i, (float) (Math.random() * randomMultiplier)));
    }
    BarDataSet set1, set2, set3, set4;
    if (chart.getData() != null && chart.getData().getDataSetCount() > 0) {
        set1 = (BarDataSet) chart.getData().getDataSetByIndex(0);
        set2 = (BarDataSet) chart.getData().getDataSetByIndex(1);
        set3 = (BarDataSet) chart.getData().getDataSetByIndex(2);
        set4 = (BarDataSet) chart.getData().getDataSetByIndex(3);
        set1.setValues(values1);
        set2.setValues(values2);
        set3.setValues(values3);
        set4.setValues(values4);
        chart.getData().notifyDataChanged();
        chart.notifyDataSetChanged();
    } else {
        // create 4 DataSets
        set1 = new BarDataSet(values1, "Company A");
        set1.setColor(Color.rgb(104, 241, 175));
        set2 = new BarDataSet(values2, "Company B");
        set2.setColor(Color.rgb(164, 228, 251));
        set3 = new BarDataSet(values3, "Company C");
        set3.setColor(Color.rgb(242, 247, 158));
        set4 = new BarDataSet(values4, "Company D");
        set4.setColor(Color.rgb(255, 102, 0));
        BarData data = new BarData(set1, set2, set3, set4);
        data.setValueFormatter(new LargeValueFormatter());
        data.setValueTypeface(tfLight);
        chart.setData(data);
    }
    // specify the width each bar should have
    chart.getBarData().setBarWidth(barWidth);
    // restrict the x-axis range
    chart.getXAxis().setAxisMinimum(startYear);
    // barData.getGroupWith(...) is a helper that calculates the width each group needs based on the provided parameters
    chart.getXAxis().setAxisMaximum(startYear + chart.getBarData().getGroupWidth(groupSpace, barSpace) * groupCount);
    chart.groupBars(startYear, groupSpace, barSpace);
    chart.invalidate();
}

Example 14 with BarDataSet

use of com.github.mikephil.charting.data.BarDataSet in project MPAndroidChart by PhilJay.

the class BarChartActivityMultiDataset method onOptionsItemSelected.

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch(item.getItemId()) {
        case R.id.viewGithub:
            {
                Intent i = new Intent(Intent.ACTION_VIEW);
                i.setData(Uri.parse("https://github.com/PhilJay/MPAndroidChart/blob/master/MPChartExample/src/com/xxmassdeveloper/mpchartexample/BarChartActivityMultiDataset.java"));
                startActivity(i);
                break;
            }
        case R.id.actionToggleValues:
            {
                for (IBarDataSet set : chart.getData().getDataSets()) set.setDrawValues(!set.isDrawValuesEnabled());
                chart.invalidate();
                break;
            }
        case R.id.actionTogglePinch:
            {
                if (chart.isPinchZoomEnabled())
                    chart.setPinchZoom(false);
                else
                    chart.setPinchZoom(true);
                chart.invalidate();
                break;
            }
        case R.id.actionToggleAutoScaleMinMax:
            {
                chart.setAutoScaleMinMaxEnabled(!chart.isAutoScaleMinMaxEnabled());
                chart.notifyDataSetChanged();
                break;
            }
        case R.id.actionToggleBarBorders:
            {
                for (IBarDataSet set : chart.getData().getDataSets()) ((BarDataSet) set).setBarBorderWidth(set.getBarBorderWidth() == 1.f ? 0.f : 1.f);
                chart.invalidate();
                break;
            }
        case R.id.actionToggleHighlight:
            {
                if (chart.getData() != null) {
                    chart.getData().setHighlightEnabled(!chart.getData().isHighlightEnabled());
                    chart.invalidate();
                }
                break;
            }
        case R.id.actionSave:
            {
                if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
                    saveToGallery();
                } else {
                    requestStoragePermission(chart);
                }
                break;
            }
        case R.id.animateX:
            {
                chart.animateX(2000);
                break;
            }
        case R.id.animateY:
            {
                chart.animateY(2000);
                break;
            }
        case R.id.animateXY:
            {
                chart.animateXY(2000, 2000);
                break;
            }
    }
    return true;
}

Example 15 with BarDataSet

use of com.github.mikephil.charting.data.BarDataSet in project MPAndroidChart by PhilJay.

the class AnotherBarActivity method onOptionsItemSelected.

@Override
public boolean onOptionsItemSelected(MenuItem item) {
    switch(item.getItemId()) {
        case R.id.viewGithub:
            {
                Intent i = new Intent(Intent.ACTION_VIEW);
                i.setData(Uri.parse("https://github.com/PhilJay/MPAndroidChart/blob/master/MPChartExample/src/com/xxmassdeveloper/mpchartexample/AnotherBarActivity.java"));
                startActivity(i);
                break;
            }
        case R.id.actionToggleValues:
            {
                for (IDataSet set : chart.getData().getDataSets()) set.setDrawValues(!set.isDrawValuesEnabled());
                chart.invalidate();
                break;
            }
        /*
            case R.id.actionToggleIcons: { break; }
             */
        case R.id.actionToggleHighlight:
            {
                if (chart.getData() != null) {
                    chart.getData().setHighlightEnabled(!chart.getData().isHighlightEnabled());
                    chart.invalidate();
                }
                break;
            }
        case R.id.actionTogglePinch:
            {
                if (chart.isPinchZoomEnabled())
                    chart.setPinchZoom(false);
                else
                    chart.setPinchZoom(true);
                chart.invalidate();
                break;
            }
        case R.id.actionToggleAutoScaleMinMax:
            {
                chart.setAutoScaleMinMaxEnabled(!chart.isAutoScaleMinMaxEnabled());
                chart.notifyDataSetChanged();
                break;
            }
        case R.id.actionToggleBarBorders:
            {
                for (IBarDataSet set : chart.getData().getDataSets()) ((BarDataSet) set).setBarBorderWidth(set.getBarBorderWidth() == 1.f ? 0.f : 1.f);
                chart.invalidate();
                break;
            }
        case R.id.animateX:
            {
                chart.animateX(2000);
                break;
            }
        case R.id.animateY:
            {
                chart.animateY(2000);
                break;
            }
        case R.id.animateXY:
            {
                chart.animateXY(2000, 2000);
                break;
            }
        case R.id.actionSave:
            {
                if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) {
                    saveToGallery();
                } else {
                    requestStoragePermission(chart);
                }
                break;
            }
    }
    return true;
}