/
PerformanceDemoFragment.java
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/
PerformanceDemoFragment.java
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//******************************************************************************
// SCICHART® Copyright SciChart Ltd. 2011-2017. All rights reserved.
//
// Web: http://www.scichart.com
// Support: support@scichart.com
// Sales: sales@scichart.com
//
// PerformanceDemoFragment.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.content.Context;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Spinner;
import android.widget.TextView;
import com.scichart.charting.model.ChartModifierCollection;
import com.scichart.charting.model.RenderableSeriesCollection;
import com.scichart.charting.model.dataSeries.IDataSeries;
import com.scichart.charting.model.dataSeries.IXyDataSeries;
import com.scichart.charting.model.dataSeries.XyDataSeries;
import com.scichart.charting.modifiers.IChartModifier;
import com.scichart.charting.visuals.SciChartSurface;
import com.scichart.charting.visuals.annotations.AnnotationCoordinateMode;
import com.scichart.charting.visuals.annotations.CustomAnnotation;
import com.scichart.charting.visuals.axes.AutoRange;
import com.scichart.charting.visuals.axes.IAxis;
import com.scichart.charting.visuals.pointmarkers.CrossPointMarker;
import com.scichart.charting.visuals.renderableSeries.IRenderableSeries;
import com.scichart.core.framework.UpdateSuspender;
import com.scichart.core.model.FloatValues;
import com.scichart.core.model.IntegerValues;
import com.scichart.core.utility.Dispatcher;
import com.scichart.data.model.ISciList;
import com.scichart.data.numerics.ResamplingMode;
import com.scichart.drawing.common.PenStyle;
import com.scichart.examples.R;
import com.scichart.examples.components.SpinnerStringAdapter;
import com.scichart.examples.data.MovingAverage;
import com.scichart.examples.fragments.base.ExampleBaseFragment;
import com.scichart.examples.utils.ItemSelectedListenerBase;
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.List;
import java.util.Random;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
import butterknife.BindView;
public class PerformanceDemoFragment extends ExampleBaseFragment {
private List<Integer> pointCounts = new ArrayList<Integer>() {{
add(10);
add(100);
add(1000);
}};
private final static int MA_LOW = 200;
private final static int MA_HIGH = 1000;
private final static long TIME_INTERVAL = 10;
private boolean isRunning = true;
private String selectedSeriesType;
private int selectedStrokeThickness = 1;
private int pointsCount = 100;
private ResamplingMode selectedResamplingMode = ResamplingMode.Auto;
private Random random = new Random();
private MovingAverage maLow = new MovingAverage(MA_LOW);
private MovingAverage maHigh = new MovingAverage(MA_HIGH);
@BindView(R.id.chart)
SciChartSurface surface;
private ScheduledFuture<?> schedule;
private final ScheduledExecutorService scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();
private TextView textView;
@Override
protected void initExample() {
selectedSeriesType = getResources().getStringArray(R.array.series_types)[0];
initChart();
// disable modifiers when updating in real-time
updateModifiers(false);
final int maxPointsCount = calcMaxPointCountToDisplay();
schedule = scheduledExecutorService.scheduleWithFixedDelay(new Runnable() {
@Override
public void run() {
if (!isRunning || getPointsCount() > maxPointsCount) {
return;
}
UpdateSuspender.using(surface, appendDataRunnable);
}
}, 0, TIME_INTERVAL, TimeUnit.MILLISECONDS);
}
private void initChart() {
final IAxis xAxis = sciChartBuilder.newNumericAxis().withAutoRangeMode(AutoRange.Always).build();
final IAxis yAxis = sciChartBuilder.newNumericAxis().withAutoRangeMode(AutoRange.Always).build();
final IRenderableSeries rs1 = sciChartBuilder.newLineSeries().withStrokeStyle(0xFF4083B7).withDataSeries(new XyDataSeries<>(Integer.class, Float.class)).build();
final IRenderableSeries rs2 = sciChartBuilder.newLineSeries().withStrokeStyle(0xFFFFA500).withDataSeries(new XyDataSeries<>(Integer.class, Float.class)).build();
final IRenderableSeries rs3 = sciChartBuilder.newLineSeries().withStrokeStyle(0xFFE13219).withDataSeries(new XyDataSeries<>(Integer.class, Float.class)).build();
textView = new TextView(getActivity());
textView.setPadding(20, 20, 20, 20);
final CustomAnnotation annotation = sciChartBuilder.newCustomAnnotation()
.withCoordinateMode(AnnotationCoordinateMode.Relative)
.withContent(textView)
.withZIndex(-1)
.withX1(0)
.withY1(0)
.build();
UpdateSuspender.using(surface, new Runnable() {
@Override
public void run() {
Collections.addAll(surface.getXAxes(), xAxis);
Collections.addAll(surface.getYAxes(), yAxis);
Collections.addAll(surface.getRenderableSeries(), rs1, rs2, rs3);
Collections.addAll(surface.getChartModifiers(), sciChartBuilder.newModifierGroupWithDefaultModifiers().build());
Collections.addAll(surface.getAnnotations(), annotation);
}
});
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if (savedInstanceState != null) {
final int seriesCount = savedInstanceState.getInt("seriesCount");
for (int i = 0; i < seriesCount; i++) {
final ISciList<Integer> xValues = savedInstanceState.getParcelable("xValues" + i);
final ISciList<Float> yValues = savedInstanceState.getParcelable("yValues" + i);
final IXyDataSeries<Integer, Float> series = new XyDataSeries<>(Integer.class, Float.class);
series.append(xValues, yValues);
surface.getRenderableSeries().get(i).setDataSeries(series);
}
}
}
@Override
public void onSaveInstanceState(final Bundle outState) {
super.onSaveInstanceState(outState);
isRunning = false;
UpdateSuspender.using(surface, new Runnable() {
@Override
public void run() {
final int size = surface.getRenderableSeries().size();
outState.putInt("seriesCount", size);
for (int i = 0; i < size; i++) {
final IRenderableSeries renderableSeries = surface.getRenderableSeries().get(i);
IXyDataSeries<Integer, Float> series = (IXyDataSeries<Integer, Float>) renderableSeries.getDataSeries();
outState.putParcelable("xValues" + i, series.getXValues());
outState.putParcelable("yValues" + i, series.getYValues());
}
}
});
}
private static int calcMaxPointCountToDisplay() {
// for resampling None need
// 8 mb for data series (float, int)
// 16 mb for resampling (double, double)
// 4 mb for data indices (int)
// 8 mb for coordinates (float, float)
final float oneMlnPointsRequirement = 8 + 16 + 4 + 8;
// need to reserve some memory for other needs ( 40 mb should be enough )
final float memorySize = getMaxMemorySize() - 40;
// max amount of point on screen
final float maxPointCount = memorySize / oneMlnPointsRequirement * 1_000_000;
// we have 3 series in example
return Math.round(maxPointCount / 3);
}
private static int getMaxMemorySize() {
// max memory size in megabytes
return (int) (Runtime.getRuntime().maxMemory() / 1024L / 1024L);
}
private int getPointsCount() {
int result = 0;
RenderableSeriesCollection rsCollection = surface.getRenderableSeries();
for (int i = 0; i < rsCollection.size(); i++) {
IRenderableSeries renderableSeries = rsCollection.get(i);
IDataSeries dataSeries = renderableSeries.getDataSeries();
result += dataSeries.getCount();
}
return result;
}
@Override
public void onDestroyView() {
super.onDestroyView();
schedule.cancel(true);
}
private Runnable appendDataRunnable = new Runnable() {
private final IntegerValues xValues = new IntegerValues(pointsCount);
private final FloatValues firstYValues = new FloatValues(pointsCount);
private final FloatValues secondYValues = new FloatValues(pointsCount);
private final FloatValues thirdYValues = new FloatValues(pointsCount);
@Override
public void run() {
xValues.clear();
firstYValues.clear();
secondYValues.clear();
thirdYValues.clear();
final IXyDataSeries<Integer, Float> mainSeries = (IXyDataSeries<Integer, Float>) surface.getRenderableSeries().get(0).getDataSeries();
final IXyDataSeries<Integer, Float> maLowSeries = (IXyDataSeries<Integer, Float>) surface.getRenderableSeries().get(1).getDataSeries();
final IXyDataSeries<Integer, Float> maHighSeries = (IXyDataSeries<Integer, Float>) surface.getRenderableSeries().get(2).getDataSeries();
int xValue = mainSeries.getCount() > 0 ? mainSeries.getXValues().get(mainSeries.getCount() - 1) : 0;
float yValue = mainSeries.getCount() > 0 ? (float) mainSeries.getYValues().get(mainSeries.getCount() - 1) : 10;
for (int i = 0; i < pointsCount; i++) {
xValue++;
yValue = (yValue + (random.nextFloat() - 0.5f));
xValues.add(xValue);
firstYValues.add(yValue);
secondYValues.add((float) maLow.push(yValue).getCurrent());
thirdYValues.add((float) maHigh.push(yValue).getCurrent());
}
mainSeries.append(xValues, firstYValues);
maLowSeries.append(xValues, secondYValues);
maHighSeries.append(xValues, thirdYValues);
final long count = mainSeries.getCount() + maLowSeries.getCount() + maHighSeries.getCount();
final String text = "Amount of points: " + count;
Dispatcher.postOnUiThread(new Runnable() {
@Override
public void run() {
textView.setText(text);
}
});
}
};
private void resetChart() {
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
UpdateSuspender.using(surface, new Runnable() {
@Override
public void run() {
for (int i = 0; i < surface.getRenderableSeries().size(); i++) {
surface.getRenderableSeries().get(i).getDataSeries().clear();
}
}
});
}
}, 100);
maLow = new MovingAverage(MA_LOW);
maHigh = new MovingAverage(MA_HIGH);
}
private void openSettingsDialog() {
final Dialog dialog = ViewSettingsUtil.createSettingsPopup(getActivity(), R.layout.example_performance_demo_popup_layout);
Context context = dialog.getContext();
final SpinnerStringAdapter seriesTypesAdapter = new SpinnerStringAdapter(context, R.array.series_types);
final Spinner seriesSpinner = (Spinner) dialog.findViewById(R.id.series_types_spinner);
seriesSpinner.setAdapter(seriesTypesAdapter);
seriesSpinner.setSelection(seriesTypesAdapter.getPosition(selectedSeriesType));
seriesSpinner.setOnItemSelectedListener(new ItemSelectedListenerBase() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
selectedSeriesType = seriesTypesAdapter.getItem(position);
onChangeSeriesType();
}
});
final SpinnerStringAdapter strokeAdapter = new SpinnerStringAdapter(context, R.array.stroke);
final Spinner strokeSpinner = (Spinner) dialog.findViewById(R.id.stroke_spinner);
strokeSpinner.setAdapter(strokeAdapter);
strokeSpinner.setSelection(strokeAdapter.getPosition(String.valueOf(selectedStrokeThickness)));
strokeSpinner.setOnItemSelectedListener(new ItemSelectedListenerBase() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
selectedStrokeThickness = Integer.parseInt(strokeAdapter.getItem(position));
onChangeStroke();
}
});
final SpinnerStringAdapter pointsAdapter = new SpinnerStringAdapter(context, R.array.points);
final Spinner pointsSpinner = (Spinner) dialog.findViewById(R.id.points_spinner);
pointsSpinner.setAdapter(pointsAdapter);
pointsSpinner.setSelection(pointsAdapter.getPosition(getResources().getStringArray(R.array.points)[pointCounts.indexOf(pointsCount)]));
pointsSpinner.setOnItemSelectedListener(new ItemSelectedListenerBase() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
pointsCount = pointCounts.get(position);
onChangeStroke();
}
});
final SpinnerStringAdapter resamplingModeAdapter = new SpinnerStringAdapter(context, R.array.resampling_mode);
final Spinner resamplingSpinner = (Spinner) dialog.findViewById(R.id.resampling_mode_spinner);
resamplingSpinner.setAdapter(resamplingModeAdapter);
resamplingSpinner.setSelection(resamplingModeAdapter.getPosition(selectedResamplingMode.toString()));
resamplingSpinner.setOnItemSelectedListener(new ItemSelectedListenerBase() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
selectedResamplingMode = ResamplingMode.valueOf(resamplingModeAdapter.getItem(position));
onResamplingMode();
}
});
dialog.show();
}
private void onChangeSeriesType() {
UpdateSuspender.using(surface, new Runnable() {
@Override
public void run() {
for (int i = 0; i < surface.getRenderableSeries().size(); i++) {
IRenderableSeries oldRenderableSeries = surface.getRenderableSeries().get(i);
IRenderableSeries newRenderableSeries = changeSeriesType(selectedSeriesType, oldRenderableSeries);
surface.getRenderableSeries().set(i, newRenderableSeries);
}
}
});
}
private IRenderableSeries changeSeriesType(String param, IRenderableSeries initSeries) {
if (getResources().getStringArray(R.array.series_types)[0].equals(param)) {
return sciChartBuilder.newLineSeries()
.withDataSeries(initSeries.getDataSeries())
.withStrokeStyle(initSeries.getStrokeStyle())
.withResamplingMode(initSeries.getResamplingMode())
.build();
} else if (getResources().getStringArray(R.array.series_types)[1].equals(param)) {
return sciChartBuilder.newMountainSeries()
.withDataSeries(initSeries.getDataSeries())
.withStrokeStyle(initSeries.getStrokeStyle())
.withResamplingMode(initSeries.getResamplingMode())
.withAreaFillColor(initSeries.getStrokeStyle().getColor())
.build();
} else if (getResources().getStringArray(R.array.series_types)[2].equals(param)) {
CrossPointMarker pointMarker = new CrossPointMarker();
pointMarker.setSize(20, 20);
pointMarker.setStrokeStyle(initSeries.getStrokeStyle());
return sciChartBuilder.newScatterSeries()
.withDataSeries(initSeries.getDataSeries())
.withStrokeStyle(initSeries.getStrokeStyle())
.withResamplingMode(initSeries.getResamplingMode())
.withPointMarker(pointMarker)
.build();
}
return null;
}
private void onChangeStroke() {
UpdateSuspender.using(surface, new Runnable() {
@Override
public void run() {
for (int i = 0; i < surface.getRenderableSeries().size(); i++) {
IRenderableSeries renderableSeries = surface.getRenderableSeries().get(i);
final PenStyle currentStyle = renderableSeries.getStrokeStyle();
renderableSeries.setStrokeStyle(sciChartBuilder.newPen()
.withColor(currentStyle.getColor())
.withAntiAliasing(currentStyle.antiAliasing)
.withThickness(selectedStrokeThickness)
.build());
}
}
});
}
private void onResamplingMode() {
UpdateSuspender.using(surface, new Runnable() {
@Override
public void run() {
for (int i = 0; i < surface.getRenderableSeries().size(); i++) {
IRenderableSeries rSeries = surface.getRenderableSeries().get(i);
rSeries.setResamplingMode(selectedResamplingMode);
}
}
});
}
@Override
public List<Widget> getToolbarItems() {
return new ArrayList<Widget>() {
{
add(new ImageViewWidget.Builder().setId(R.drawable.example_toolbar_play).setListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
isRunning = true;
updateAutoRangeBehavior(isRunning);
updateModifiers(!isRunning);
}
}).build());
add(new ImageViewWidget.Builder().setId(R.drawable.example_toolbar_pause).setListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
isRunning = false;
updateAutoRangeBehavior(isRunning);
updateModifiers(!isRunning);
}
}).build());
add(new ImageViewWidget.Builder().setId(R.drawable.example_toolbar_stop).setListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
isRunning = false;
resetChart();
updateAutoRangeBehavior(isRunning);
updateModifiers(!isRunning);
}
}).build());
add(new ImageViewWidget.Builder().setId(R.drawable.example_toolbar_settings).setListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
openSettingsDialog();
}
}).build());
}
};
}
private void updateAutoRangeBehavior(boolean isEnabled) {
IAxis xAxis = surface.getXAxes().get(0);
IAxis yAxis = surface.getYAxes().get(0);
AutoRange autoRangeMode = isEnabled ? AutoRange.Always : AutoRange.Never;
xAxis.setAutoRange(autoRangeMode);
yAxis.setAutoRange(autoRangeMode);
}
private void updateModifiers(boolean isEnabled) {
ChartModifierCollection modifiers = surface.getChartModifiers();
for (IChartModifier modifier : modifiers) {
modifier.setIsEnabled(isEnabled);
}
}
@Override
protected int getLayoutId() {
return R.layout.example_single_chart_fragment;
}
}