Java ScatterChart类代码示例

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
protected ScatterData generateScatterData(int dataSets, float range, int count) {
    
    ArrayList<IScatterDataSet> sets = new ArrayList<IScatterDataSet>();
    
    ScatterChart.ScatterShape[] shapes = ScatterChart.ScatterShape.getAllDefaultShapes();
    
    for(int i = 0; i < dataSets; i++) {
       
        ArrayList<Entry> entries = new ArrayList<Entry>();
        
        for(int j = 0; j < count; j++) {        
            entries.add(new Entry(j, (float) (Math.random() * range) + range / 4));
        }
        
        ScatterDataSet ds = new ScatterDataSet(entries, getLabel(i));
        ds.setScatterShapeSize(12f);
        ds.setScatterShape(shapes[i % shapes.length]);
        ds.setColors(ColorTemplate.COLORFUL_COLORS);
        ds.setScatterShapeSize(9f);
        sets.add(ds);
    }
    
    ScatterData d = new ScatterData(sets);
    d.setValueTypeface(tf);
    return d;
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
private void setData() {

        RealmResults<RealmDemoData> result = mRealm.where(RealmDemoData.class).findAll();

        RealmScatterDataSet<RealmDemoData> set = new RealmScatterDataSet<RealmDemoData>(result, "xValue", "yValue");
        set.setLabel("Realm ScatterDataSet");
        set.setScatterShapeSize(9f);
        set.setColor(ColorTemplate.rgb("#CDDC39"));
        set.setScatterShape(ScatterChart.ScatterShape.CIRCLE);

        ArrayList<IScatterDataSet> dataSets = new ArrayList<IScatterDataSet>();
        dataSets.add(set); // add the dataset

        // create a data object with the dataset list
        ScatterData data = new ScatterData(dataSets);
        styleData(data);

        // set data
        mChart.setData(data);
        mChart.animateY(1400, Easing.EasingOption.EaseInOutQuart);
    }
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
protected ScatterData generateScatterData(int dataSets, float range, int count) {
    
    ArrayList<IScatterDataSet> sets = new ArrayList<IScatterDataSet>();
    
    ScatterShape[] shapes = ScatterChart.getAllPossibleShapes();
    
    for(int i = 0; i < dataSets; i++) {
       
        ArrayList<Entry> entries = new ArrayList<Entry>();
        
        for(int j = 0; j < count; j++) {        
            entries.add(new Entry((float) (Math.random() * range) + range / 4, j));
        }
        
        ScatterDataSet ds = new ScatterDataSet(entries, getLabel(i));
        ds.setScatterShapeSize(12f);
        ds.setScatterShape(shapes[i % shapes.length]);
        ds.setColors(ColorTemplate.COLORFUL_COLORS);
        ds.setScatterShapeSize(9f);
        sets.add(ds);
    }
    
    ScatterData d = new ScatterData(ChartData.generateXVals(0, count), sets);
    d.setValueTypeface(tf);
    return d;
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
private void setData() {

        RealmResults<RealmDemoData> result = mRealm.allObjects(RealmDemoData.class);

        RealmScatterDataSet<RealmDemoData> set = new RealmScatterDataSet<RealmDemoData>(result, "value", "xIndex");
        set.setLabel("Realm ScatterDataSet");
        set.setScatterShapeSize(9f);
        set.setColor(ColorTemplate.rgb("#CDDC39"));
        set.setScatterShape(ScatterChart.ScatterShape.CIRCLE);

        ArrayList<IScatterDataSet> dataSets = new ArrayList<IScatterDataSet>();
        dataSets.add(set); // add the dataset

        // create a data object with the dataset list
        RealmScatterData data = new RealmScatterData(result, "xValue", dataSets);
        styleData(data);

        // set data
        mChart.setData(data);
        mChart.animateY(1400, Easing.EasingOption.EaseInOutQuart);
    }
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    logger = SimpleLogger.getInstance(getContext());
    waltDevice = WaltDevice.getInstance(getContext());

    // Inflate the layout for this fragment
    final View view = inflater.inflate(R.layout.fragment_drag_latency, container, false);
    logTextView = (TextView) view.findViewById(R.id.txt_log_drag_latency);
    startButton = view.findViewById(R.id.button_start_drag);
    restartButton = view.findViewById(R.id.button_restart_drag);
    finishButton = view.findViewById(R.id.button_finish_drag);
    touchCatcher = (TouchCatcherView) view.findViewById(R.id.tap_catcher);
    crossCountsView = (TextView) view.findViewById(R.id.txt_cross_counts);
    dragCountsView = (TextView) view.findViewById(R.id.txt_drag_counts);
    latencyChart = (ScatterChart) view.findViewById(R.id.latency_chart);
    latencyChartLayout = view.findViewById(R.id.latency_chart_layout);
    logTextView.setMovementMethod(new ScrollingMovementMethod());
    view.findViewById(R.id.button_close_chart).setOnClickListener(this);
    restartButton.setEnabled(false);
    finishButton.setEnabled(false);
    return view;
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    logger = SimpleLogger.getInstance(getContext());
    waltDevice = WaltDevice.getInstance(getContext());

    // Inflate the layout for this fragment
    final View view = inflater.inflate(R.layout.fragment_accelerometer, container, false);
    logTextView = (TextView) view.findViewById(R.id.txt_log);
    startButton = view.findViewById(R.id.button_start);
    latencyChart = (ScatterChart) view.findViewById(R.id.latency_chart);
    latencyChartLayout = view.findViewById(R.id.latency_chart_layout);
    logTextView.setMovementMethod(new ScrollingMovementMethod());
    view.findViewById(R.id.button_close_chart).setOnClickListener(this);
    sensorManager = (SensorManager) getContext().getSystemService(Context.SENSOR_SERVICE);
    accelerometer = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
    if (accelerometer == null) {
        logger.log("ERROR! Accelerometer sensor not found");
    }
    return view;
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
private void drawLatencyChart(List<Entry> phoneEntriesShifted, List<Entry> waltEntries) {
    final ScatterDataSet dataSetWalt =
            new ScatterDataSet(waltEntries, "WALT Events");
    dataSetWalt.setColor(Color.BLUE);
    dataSetWalt.setScatterShape(ScatterChart.ScatterShape.CIRCLE);
    dataSetWalt.setScatterShapeSize(8f);

    final ScatterDataSet dataSetPhoneShifted =
            new ScatterDataSet(phoneEntriesShifted, "Phone Events Shifted");
    dataSetPhoneShifted.setColor(Color.RED);
    dataSetPhoneShifted.setScatterShapeSize(10f);
    dataSetPhoneShifted.setScatterShape(ScatterChart.ScatterShape.X);

    final ScatterData scatterData = new ScatterData(dataSetWalt, dataSetPhoneShifted);
    final Description desc = new Description();
    desc.setText("");
    desc.setTextSize(12f);
    latencyChart.setDescription(desc);
    latencyChart.setData(scatterData);
    latencyChart.invalidate();
    latencyChartLayout.setVisibility(View.VISIBLE);
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
public static IShapeRenderer getRendererForShape(ScatterChart.ScatterShape shape) {

        switch (shape) {
            case SQUARE:
                return new SquareShapeRenderer();
            case CIRCLE:
                return new CircleShapeRenderer();
            case TRIANGLE:
                return new TriangleShapeRenderer();
            case CROSS:
                return new CrossShapeRenderer();
            case X:
                return new XShapeRenderer();
            case CHEVRON_UP:
                return new ChevronUpShapeRenderer();
            case CHEVRON_DOWN:
                return new ChevronDownShapeRenderer();
        }

        return null;
    }
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
public static IShapeRenderer getRendererForShape(ScatterChart.ScatterShape shape) {

        switch (shape) {
            case SQUARE: return new SquareShapeRenderer();
            case CIRCLE: return new CircleShapeRenderer();
            case TRIANGLE: return new TriangleShapeRenderer();
            case CROSS: return new CrossShapeRenderer();
            case X: return new XShapeRenderer();
            case CHEVRON_UP: return new ChevronUpShapeRenderer();
            case CHEVRON_DOWN: return new ChevronDownShapeRenderer();
        }

        return null;
    }
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.frag_simple_scatter, container, false);
    
    mChart = (ScatterChart) v.findViewById(R.id.scatterChart1);
    mChart.getDescription().setEnabled(false);
    
    Typeface tf = Typeface.createFromAsset(getActivity().getAssets(),"OpenSans-Light.ttf");
    
    MyMarkerView mv = new MyMarkerView(getActivity(), R.layout.custom_marker_view);
    mv.setChartView(mChart); // For bounds control
    mChart.setMarker(mv);

    mChart.setDrawGridBackground(false);
    mChart.setData(generateScatterData(6, 10000, 200));
    
    XAxis xAxis = mChart.getXAxis();
    xAxis.setEnabled(true);
    xAxis.setPosition(XAxisPosition.BOTTOM);
    
    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(tf);
    
    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setTypeface(tf);
    rightAxis.setDrawGridLines(false);
    
    Legend l = mChart.getLegend();
    l.setWordWrapEnabled(true);
    l.setTypeface(tf);
    l.setFormSize(14f);
    l.setTextSize(9f);
    
    // increase the space between legend & bottom and legend & content
    l.setYOffset(13f);       
    mChart.setExtraBottomOffset(16f);
    
    return v;
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_scatterchart_noseekbar);

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

    mChart.getAxisLeft().setDrawGridLines(false);
    mChart.getXAxis().setDrawGridLines(false);
    mChart.setPinchZoom(true);
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.frag_simple_scatter, container, false);
    
    mChart = (ScatterChart) v.findViewById(R.id.scatterChart1);
    mChart.setDescription("");
    
    Typeface tf = Typeface.createFromAsset(getActivity().getAssets(),"OpenSans-Light.ttf");
    
    MyMarkerView mv = new MyMarkerView(getActivity(), R.layout.custom_marker_view);

    mChart.setMarkerView(mv);

    mChart.setDrawGridBackground(false);
    mChart.setData(generateScatterData(6, 10000, 200));
    
    XAxis xAxis = mChart.getXAxis();
    xAxis.setEnabled(true);
    xAxis.setPosition(XAxisPosition.BOTTOM);
    
    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(tf);
    
    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setTypeface(tf);
    rightAxis.setDrawGridLines(false);
    
    Legend l = mChart.getLegend();
    l.setWordWrapEnabled(true);
    l.setTypeface(tf);
    l.setFormSize(14f);
    l.setTextSize(9f);
    
    // increase the space between legend & bottom and legend & content
    l.setYOffset(13f);       
    mChart.setExtraBottomOffset(16f);
    
    return v;
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
private ScatterData buildScatterDataForProperty(WaterProfile profile, String property){
  ScatterData data = new ScatterData();

  if (profile != null){
    // Get all the measurements for the property
    Map<Double,Double> propertyMeasurementByDepth = profile.getMeasurementsForProperty(property);
    ArrayList<Entry> entries = new ArrayList<>();
    Set<Double> depths = propertyMeasurementByDepth.keySet();
    for (Double depth : depths){
      float y = (float) Math.abs(depth);
      float x = (float) propertyMeasurementByDepth.get(depth).doubleValue();
      entries.add(new Entry(x, y));
    }
    Collections.sort(entries, new EntryXComparator());

    ScatterDataSet set = new ScatterDataSet(entries, property);
    set.setColor(Color.BLACK);
    set.setScatterShape(ScatterChart.ScatterShape.CIRCLE);
    set.setScatterShapeSize(20f);
    set.setDrawValues(false);
    data.addDataSet(set);
  }else{
    Log.e(TAG, "Profile data object is null!");
  }

  return  data;
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
/**
 * Prepare ScatterData object
 * @param averageValue
 * @param seriesName
 * @return ScatterData
 */
private ScatterData generateScatterData(float averageValue,  String seriesName){
  ScatterData d = new ScatterData();
  ArrayList<Entry> entries = new ArrayList<>();
  entries.add(new Entry(1.5f, averageValue));
  ScatterDataSet set = new ScatterDataSet(entries, seriesName);
  set.setColor(Color.parseColor("#FF4081"));
  set.setScatterShape(ScatterChart.ScatterShape.SQUARE);
  set.setScatterShapeSize(15f);
  set.setDrawValues(false);
  set.setValueTextSize(10f);
  d.addDataSet(set);
  return  d;
}
 

import com.github.mikephil.charting.charts.ScatterChart; //导入依赖的package包/类
private void drawLatencyGraph(double[] ft, double[] fy, double[] lt, double averageBestShift) {
    final ArrayList<Entry> touchEntries = new ArrayList<>();
    final ArrayList<Entry> laserEntries = new ArrayList<>();
    final double[] laserT = new double[lt.length];
    for (int i = 0; i < ft.length; i++) {
        touchEntries.add(new Entry((float) ft[i], (float) fy[i]));
    }
    for (int i = 0; i < lt.length; i++) {
        laserT[i] = lt[i] + averageBestShift;
    }
    final double[] laserY = Utils.interp(laserT, ft, fy);
    for (int i = 0; i < laserY.length; i++) {
        laserEntries.add(new Entry((float) laserT[i], (float) laserY[i]));
    }

    final ScatterDataSet dataSetTouch = new ScatterDataSet(touchEntries, "Touch Events");
    dataSetTouch.setScatterShape(ScatterChart.ScatterShape.CIRCLE);
    dataSetTouch.setScatterShapeSize(8f);

    final ScatterDataSet dataSetLaser = new ScatterDataSet(laserEntries,
            String.format(Locale.US, "Laser Events  Latency=%.1f ms", averageBestShift));
    dataSetLaser.setColor(Color.RED);
    dataSetLaser.setScatterShapeSize(10f);
    dataSetLaser.setScatterShape(ScatterChart.ScatterShape.X);

    final ScatterData scatterData = new ScatterData(dataSetTouch, dataSetLaser);
    final Description desc = new Description();
    desc.setText("Y-Position [pixels] vs. Time [ms]");
    desc.setTextSize(12f);
    latencyChart.setDescription(desc);
    latencyChart.setData(scatterData);
    latencyChartLayout.setVisibility(View.VISIBLE);
}