Android Column Chart

Android Chart - Examples

SciChart Android ships with ~90 Android Chart Examples which you can browse, play with, view the source-code and even export each SciChart Android Chart Example to a stand-alone Android Studio project. All of this is possible with the new and improved SciChart Android Examples Suite, which ships as part of our Android Charts SDK.

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Column Charts are very often used in Sales dashboards, as well as Fitness applications. This example will show how to generate a simple Column chart in code.

The FastColumnRenderableSeries can be used to render an XyDataSeries (which contains one X-point and one Y-point); XyyDataSeries (renders Y values), XyzDataSeries; HlDataSeries and OhlcDataSeries(renders Close values).

Columns are drawn using the pens provided by the setStrokeStyle(PenStyle) (outline) and using the Brush provided by the setFillBrushStyle(BrushStyle) (fill).

Tip!

Do you need to change the width of a column? Try calling the setDataPointWidth() method passing in any number from 0.0 to 1.0. This alters how much space a column takes up.

The full source code for the Android Column Chart example is included below (Scroll down!).

Did you know you can also view the source code from one of the following sources as well?

Clone the SciChart.Android.Examples from Github.
Or, view source and export each example to an Android Studio project from the Java version of the SciChart Android Examples app.
Also the SciChart Android Trial contains the full source for the examples (link below).

DOWNLOAD THE ANDROID CHART EXAMPLES

Kotlin: ColumnChartFragment.kt

View source code

//******************************************************************************
// SCICHART® Copyright SciChart Ltd. 2011-2021. All rights reserved.
//
// Web: http://www.scichart.com
// Support: support@scichart.com
// Sales:   sales@scichart.com
//
// ColumnChartFragment.kt is part of SCICHART®, High Performance Scientific Charts
// For full terms and conditions of the license, see http://www.scichart.com/scichart-eula/
//
// This source code is protected by international copyright law. Unauthorized
// reproduction, reverse-engineering, or distribution of all or any portion of
// this source code is strictly prohibited.
//
// This source code contains confidential and proprietary trade secrets of
// SciChart Ltd., and should at no time be copied, transferred, sold,
// distributed or made available without express written permission.
//******************************************************************************

package com.scichart.examples.fragments.examples2d.basicChartTypes.kt

import android.view.animation.DecelerateInterpolator
import com.scichart.charting.visuals.SciChartSurface
import com.scichart.charting.visuals.renderableSeries.FastColumnRenderableSeries
import com.scichart.charting.visuals.renderableSeries.data.XSeriesRenderPassData
import com.scichart.charting.visuals.renderableSeries.paletteProviders.IFillPaletteProvider
import com.scichart.charting.visuals.renderableSeries.paletteProviders.PaletteProviderBase
import com.scichart.core.model.IntegerValues
import com.scichart.data.model.DoubleRange
import com.scichart.drawing.utility.ColorUtil
import com.scichart.examples.fragments.base.ExampleSingleChartBaseFragment
import com.scichart.examples.utils.Constant
import com.scichart.examples.utils.interpolator.DefaultInterpolator
import com.scichart.examples.utils.scichartExtensions.*

class ColumnChartFragment : ExampleSingleChartBaseFragment() {

    override fun initExample(surface: SciChartSurface) {
        surface.suspendUpdates {
            xAxes { numericAxis { growBy = DoubleRange(0.1, 0.1) } }
            yAxes { numericAxis { growBy = DoubleRange(0.1, 0.1) } }
            renderableSeries {
                fastColumnRenderableSeries {
                    xyDataSeries<Int, Int> {
                        val xValues = intArrayOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
                        val yValues = intArrayOf(1, 2, 4, 8, 11, 15, 24, 46, 81, 117, 144, 160, 137, 101, 64, 35, 25, 14, 4, 1)
                        for (i in xValues.indices) {
                            append(xValues[i], yValues[i])
                        }
                    }
                    strokeStyle = SolidPenStyle(0xFFE4F5FC, 0.4f)
                    fillBrushStyle = LinearGradientBrushStyle(ColorUtil.LightSteelBlue, ColorUtil.SteelBlue)
                    dataPointWidth = 0.7
//                    paletteProvider = ColumnsPaletteProvider()

                    waveAnimation {
                        duration = Constant.ANIMATION_DURATION
                        startDelay = Constant.ANIMATION_START_DELAY
                        interpolator = DefaultInterpolator.getInterpolator()
                    }
                }
            }
            chartModifiers { defaultModifiers() }
        }
    }

    private class ColumnsPaletteProvider : PaletteProviderBase<FastColumnRenderableSeries>(FastColumnRenderableSeries::class.java), IFillPaletteProvider {
        private val colors = IntegerValues()
        private val desiredColors = longArrayOf(0xFF21a0d8, 0xFFc43360, 0xFF34c19c)

        override fun update() {
            val currentRenderPassData = renderableSeries!!.currentRenderPassData as XSeriesRenderPassData

            val size = currentRenderPassData.pointsCount()
            colors.setSize(size)

            val colorsArray = colors.itemsArray
            val indices = currentRenderPassData.indices.itemsArray
            for (i in 0 until size) {
                val index = indices[i]
                colorsArray[i] = desiredColors[index % 3].toInt()
            }
        }

        override fun getFillColors(): IntegerValues = colors
    }
}

Java: ColumnChartFragment.java

View source code

//******************************************************************************
// SCICHART® Copyright SciChart Ltd. 2011-2021. All rights reserved.
//
// Web: http://www.scichart.com
// Support: support@scichart.com
// Sales:   sales@scichart.com
//
// ColumnChartFragment.java is part of SCICHART®, High Performance Scientific Charts
// For full terms and conditions of the license, see http://www.scichart.com/scichart-eula/
//
// This source code is protected by international copyright law. Unauthorized
// reproduction, reverse-engineering, or distribution of all or any portion of
// this source code is strictly prohibited.
//
// This source code contains confidential and proprietary trade secrets of
// SciChart Ltd., and should at no time be copied, transferred, sold,
// distributed or made available without express written permission.
//******************************************************************************

package com.scichart.examples.fragments.examples2d.basicChartTypes;

import android.view.animation.DecelerateInterpolator;

import androidx.annotation.NonNull;

import com.scichart.charting.model.dataSeries.IXyDataSeries;
import com.scichart.charting.visuals.SciChartSurface;
import com.scichart.charting.visuals.axes.IAxis;
import com.scichart.charting.visuals.renderableSeries.FastColumnRenderableSeries;
import com.scichart.charting.visuals.renderableSeries.data.XSeriesRenderPassData;
import com.scichart.charting.visuals.renderableSeries.paletteProviders.IFillPaletteProvider;
import com.scichart.charting.visuals.renderableSeries.paletteProviders.PaletteProviderBase;
import com.scichart.core.framework.UpdateSuspender;
import com.scichart.core.model.IntegerValues;
import com.scichart.drawing.utility.ColorUtil;
import com.scichart.examples.fragments.base.ExampleSingleChartBaseFragment;
import com.scichart.examples.utils.Constant;
import com.scichart.examples.utils.interpolator.DefaultInterpolator;

import java.util.Collections;

public class ColumnChartFragment extends ExampleSingleChartBaseFragment {

    @Override
    protected void initExample(@NonNull SciChartSurface surface) {
        final IAxis xAxis = sciChartBuilder.newNumericAxis().withGrowBy(0.1, 0.1).build();
        final IAxis yAxis = sciChartBuilder.newNumericAxis().withGrowBy(0, 0.1).build();

        final int[] xValues = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19};
        final int[] yValues = {1, 2, 4, 8, 11, 15, 24, 46, 81, 117, 144, 160, 137, 101, 64, 35, 25, 14, 4, 1};

        IXyDataSeries<Integer, Integer> dataSeries = sciChartBuilder
                .newXyDataSeries(Integer.class, Integer.class)
                .build();

        for (int i = 0; i < xValues.length; i++) {
            dataSeries.append(xValues[i], yValues[i]);
        }

        final FastColumnRenderableSeries rSeries = sciChartBuilder.newColumnSeries()
                .withStrokeStyle(0xFFE4F5FC, 0.4f)
                .withDataPointWidth(0.7)
                .withLinearGradientColors(ColorUtil.LightSteelBlue, ColorUtil.SteelBlue)
                .withDataSeries(dataSeries)
//                .withPaletteProvider(new ColumnsPaletteProvider())
                .build();

        UpdateSuspender.using(surface, () -> {
            Collections.addAll(surface.getXAxes(), xAxis);
            Collections.addAll(surface.getYAxes(), yAxis);
            Collections.addAll(surface.getRenderableSeries(), rSeries);
            Collections.addAll(surface.getChartModifiers(), sciChartBuilder.newModifierGroupWithDefaultModifiers().build());

            sciChartBuilder.newAnimator(rSeries).withWaveTransformation().withInterpolator(DefaultInterpolator.getInterpolator()).withDuration(Constant.ANIMATION_DURATION).withStartDelay(Constant.ANIMATION_START_DELAY).start();
        });
    }

    private class ColumnsPaletteProvider extends PaletteProviderBase<FastColumnRenderableSeries> implements IFillPaletteProvider {
        private final IntegerValues colors = new IntegerValues();
        private final int[] desiredColors = new int[]{0xFF21a0d8, 0xFFc43360, 0xFF34c19c};

        protected ColumnsPaletteProvider() {
            super(FastColumnRenderableSeries.class);
        }

        @Override
        public void update() {
            final XSeriesRenderPassData currentRenderPassData = (XSeriesRenderPassData) renderableSeries.getCurrentRenderPassData();

            final int size = currentRenderPassData.pointsCount();
            colors.setSize(size);

            final int[] colorsArray = colors.getItemsArray();
            final int[] indices = currentRenderPassData.indices.getItemsArray();
            for (int i = 0; i < size; i++) {
                final int index = indices[i];
                colorsArray[i] = desiredColors[index % 3];
            }
        }

        @Override
        public IntegerValues getFillColors() {
            return colors;
        }
    }
}

Back to Android Chart Examples

Android Column Chart

Android Chart - Examples

Kotlin: ColumnChartFragment.kt

Java: ColumnChartFragment.java

Android Chart Examples

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