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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.
Generates an Android Bubble Chart Example in code. The FastBubbleRenderableSeries requires an instance of XyzDataSeries which contains X and Y points with position of the bubble and Z value which represents its radius.
Bubble charts are widely used in applications for investments, sales, marketing and many more.
Tip!
Bubbles are drawing using the pen set by the setStrokeStyle(PenStyle) method and the brush set by setBubbleBrushStyle(BrushStyle) method. Also you can adjust scale factor for bubbles by using setZScaleFactor.
The full source code for the Android Bubble 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?
<?xml version="1.0" encoding="utf-8"?><!--*************************************************************************-->
<!-- SCICHART® Copyright SciChart Ltd. 2011-2016. All rights reserved. -->
<!-- -->
<!-- Web: http://www.scichart.com -->
<!-- Support: support@scichart.com -->
<!-- Sales: sales@scichart.com -->
<!-- -->
<!-- example_single_chart_fragment.xml is part of the SCICHART® Examples. Permission is hereby granted -->
<!-- to modify, create derivative works, distribute and publish any part of this source -->
<!-- code whether for commercial, private or personal use. -->
<!-- -->
<!-- The SCICHART® examples are distributed in the hope that they will be useful, but -->
<!-- without any warranty. It is provided "AS IS" without warranty of any kind, either -->
<!-- expressed or implied. -->
<!--*************************************************************************-->
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<com.scichart.charting.visuals.SciChartSurface
android:id="@+id/chart"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
//******************************************************************************
// SCICHART® Copyright SciChart Ltd. 2011-2017. All rights reserved.
//
// Web: http://www.scichart.com
// Support: support@scichart.com
// Sales: sales@scichart.com
//
// BubbleChartFragment.java is part of the SCICHART® Examples. Permission is hereby granted
// to modify, create derivative works, distribute and publish any part of this source
// code whether for commercial, private or personal use.
//
// The SCICHART® examples are distributed in the hope that they will be useful, but
// without any warranty. It is provided "AS IS" without warranty of any kind, either
// expressed or implied.
//******************************************************************************
package com.scichart.examples.fragments;
import android.app.Dialog;
import android.view.View;
import android.widget.SeekBar;
import com.daasuu.ei.Ease;
import com.daasuu.ei.EasingInterpolator;
import com.scichart.charting.model.dataSeries.IXyzDataSeries;
import com.scichart.charting.modifiers.RubberBandXyZoomModifier;
import com.scichart.charting.modifiers.ZoomExtentsModifier;
import com.scichart.charting.visuals.SciChartSurface;
import com.scichart.charting.visuals.axes.IAxis;
import com.scichart.charting.visuals.renderableSeries.FastBubbleRenderableSeries;
import com.scichart.charting.visuals.renderableSeries.FastLineRenderableSeries;
import com.scichart.core.framework.UpdateSuspender;
import com.scichart.drawing.common.SolidBrushStyle;
import com.scichart.examples.R;
import com.scichart.examples.data.DataManager;
import com.scichart.examples.data.TradeData;
import com.scichart.examples.fragments.base.ExampleBaseFragment;
import com.scichart.examples.utils.SeekBarChangeListenerBase;
import com.scichart.examples.utils.ViewSettingsUtil;
import com.scichart.examples.utils.widgetgeneration.ImageViewWidget;
import com.scichart.examples.utils.widgetgeneration.Widget;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import butterknife.BindView;
public class BubbleChartFragment extends ExampleBaseFragment {
@BindView(R.id.chart)
SciChartSurface surface;
private final int minSeekBarValue = 5;
private int zScaleFactor = 30;
@Override
public List<Widget> getToolbarItems() {
return new ArrayList<Widget>() {
{
add(new ImageViewWidget.Builder().setId(R.drawable.example_toolbar_settings).setListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
openSettingsDialog();
}
}).build());
}
};
}
@Override
protected int getLayoutId() {
return R.layout.example_single_chart_fragment;
}
@Override
protected void initExample() {
final IAxis xAxis = sciChartBuilder.newDateAxis().withGrowBy(0d, 0.1d).build();
final IAxis yAxis = sciChartBuilder.newNumericAxis().withGrowBy(0d, 0.1d).build();
final IXyzDataSeries<Date, Double, Double> dataSeries = sciChartBuilder.newXyzDataSeries(Date.class, Double.class, Double.class).build();
List<TradeData> tradeTicks = DataManager.getInstance().getTradeTicks(getActivity());
for (int i = 0; i < tradeTicks.size(); i++) {
TradeData tradeData = tradeTicks.get(i);
dataSeries.append(tradeData.getTradeDate(), tradeData.getTradePrice(), tradeData.getTradeSize());
}
final FastLineRenderableSeries lineSeries = sciChartBuilder.newLineSeries().withDataSeries(dataSeries).withStrokeStyle(0xffff3333, 2f).build();
final FastBubbleRenderableSeries rSeries = sciChartBuilder.newBubbleSeries()
.withDataSeries(dataSeries)
.withZScaleFactor(zScaleFactor / 10f)
.withBubbleBrushStyle(new SolidBrushStyle(0x77CCCCCC))
.withStrokeStyle(0xFFCCCCCC, 2f, true)
.withAutoZRange(false)
.build();
UpdateSuspender.using(surface, new Runnable() {
@Override
public void run() {
Collections.addAll(surface.getXAxes(), xAxis);
Collections.addAll(surface.getYAxes(), yAxis);
Collections.addAll(surface.getRenderableSeries(), lineSeries, rSeries);
Collections.addAll(surface.getChartModifiers(), new RubberBandXyZoomModifier());
Collections.addAll(surface.getChartModifiers(), new ZoomExtentsModifier());
sciChartBuilder.newAnimator(lineSeries).withScaleTransformation(10600d).withInterpolator(new EasingInterpolator(Ease.ELASTIC_OUT)).withDuration(3000).withStartDelay(350).start();
sciChartBuilder.newAnimator(rSeries).withScaleTransformation(10600d).withInterpolator(new EasingInterpolator(Ease.ELASTIC_OUT)).withDuration(3000).withStartDelay(350).start();
}
});
}
private void openSettingsDialog() {
final Dialog dialog = ViewSettingsUtil.createSettingsPopup(getActivity(), R.layout.example_bubble_chart_popop_layout);
ViewSettingsUtil.setUpSeekBar(dialog, R.id.z_scale_seek_bar, zScaleFactor, new SeekBarChangeListenerBase() {
@Override
public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
zScaleFactor = progress + minSeekBarValue;
onZScaleFactorChanged();
}
});
dialog.show();
}
private void onZScaleFactorChanged() {
UpdateSuspender.using(surface, new Runnable() {
@Override
public void run() {
FastBubbleRenderableSeries rSeries = (FastBubbleRenderableSeries) surface.getRenderableSeries().get(1);
rSeries.setZScaleFactor(zScaleFactor / 10f);
}
});
}
}