Java Legend.setPosition方法代码示例

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View v = inflater.inflate(R.layout.frag_simple_pie, container, false);
    
    mChart = (PieChart) v.findViewById(R.id.pieChart1);
    mChart.setDescription("");
    
    Typeface tf = Typeface.createFromAsset(getActivity().getAssets(), "OpenSans-Light.ttf");
    
    mChart.setCenterTextTypeface(tf);
    mChart.setCenterText(generateCenterText());
    mChart.setCenterTextSize(10f);
    mChart.setCenterTextTypeface(tf);
     
    // radius of the center hole in percent of maximum radius
    mChart.setHoleRadius(45f);
    mChart.setTransparentCircleRadius(50f);
    
    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.RIGHT_OF_CHART);
    
    mChart.setData(generatePieData());
    
    return v;
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
private void configChart(Station station, PieChart mChart) {
    mChart.setDescription("");
    mChart.setExtraOffsets(5, 10, 5, 5);

    mChart.setDragDecelerationFrictionCoef(0.95f);

    mChart.setCenterText(getString(R.string.base_state));

    mChart.setDrawHoleEnabled(true);
    mChart.setHoleColorTransparent(true);

    mChart.setUsePercentValues(false);

    mChart.setTransparentCircleColor(Color.WHITE);
    mChart.setTransparentCircleAlpha(110);

    mChart.setHoleRadius(58f);
    mChart.setTransparentCircleRadius(61f);

    mChart.setDrawCenterText(true);

    mChart.setTouchEnabled(false);
    mChart.setRotationEnabled(false);
    mChart.setRotationAngle(0);

    setData(mChart, station);

    mChart.animateY(1400, Easing.EasingOption.EaseInOutQuad);
    // mChart.spin(2000, 0, 360);

    Legend l = mChart.getLegend();
    l.setEnabled(false);
    l.setPosition(Legend.LegendPosition.RIGHT_OF_CHART);
    l.setXEntrySpace(7f);
    l.setYEntrySpace(0f);
    l.setYOffset(0f);
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
@Override
public void bindTo(Station value) {
    nameTextView.setText(value.getNumberStation() + " " + value.getNombre());
    streetTextView.setText(value.getAddress());
    mChart.setDescription("");
    mChart.setExtraOffsets(5, 10, 5, 5);

    mChart.setDragDecelerationFrictionCoef(0.95f);

    mChart.setCenterText(context.getString(R.string.base_state));

    mChart.setDrawHoleEnabled(true);
    mChart.setHoleColorTransparent(true);

    mChart.setUsePercentValues(false);

    mChart.setTransparentCircleColor(Color.WHITE);
    mChart.setTransparentCircleAlpha(110);

    mChart.setHoleRadius(58f);
    mChart.setTransparentCircleRadius(61f);

    mChart.setDrawCenterText(true);

    mChart.setTouchEnabled(false);
    mChart.setRotationEnabled(false);
    mChart.setRotationAngle(0);

    setData(value);

    mChart.animateY(1400, Easing.EasingOption.EaseInOutQuad);
    // mChart.spin(2000, 0, 360);

    Legend l = mChart.getLegend();
    l.setPosition(Legend.LegendPosition.RIGHT_OF_CHART);
    l.setXEntrySpace(7f);
    l.setYEntrySpace(0f);
    l.setYOffset(0f);
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_idpt, container, false);

    BarChart chart = (BarChart) view.findViewById(R.id.chart);

    BarData data = new BarData(getXAxisValues(), getDataSet());

    //legend coding
    Legend l=chart.getLegend();
    l.setFormSize(10f);
    l.setPosition(Legend.LegendPosition.BELOW_CHART_LEFT);
    l.setTextSize(12f);
    l.setTextColor(Color.BLACK);
    l.setXEntrySpace(5f);
    l.setYEntrySpace(5f);
    //l.setCustom();

    XAxis xaxis=chart.getXAxis();
    xaxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xaxis.setTextSize(7f);
    xaxis.setTextColor(Color.parseColor("#212121"));
    xaxis.setDrawAxisLine(true);
    xaxis.setDrawGridLines(false);


    chart.setData(data);
    chart.setDescription("");
    chart.animateXY(2000, 2000);
    chart.invalidate();
   // chart.zoom(100, 10, 10, 10);


    return view;


}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
private void initTemperatureChart(LineChart mChart) {
//        mChart.setOnChartValueSelectedListener(this);
        mChart.setDescription("Skin Temperature");
        mChart.setNoDataTextDescription("You need to provide data for the chart.");
        mChart.setTouchEnabled(true);
        mChart.setDragDecelerationFrictionCoef(0.9f);
        mChart.setDragEnabled(true);
        mChart.setScaleEnabled(true);
        mChart.setDrawGridBackground(false);
        mChart.setHighlightPerDragEnabled(true);
        mChart.setPinchZoom(true);
        mChart.setBackgroundColor(getResources().getColor(R.color.blue_light_pressed));
        mChart.animateX(2500);

        Legend l = mChart.getLegend();
        l.setForm(Legend.LegendForm.LINE);
        l.setTypeface(BandApplication.INSTANCE.getTfLight());
        l.setTextSize(11f);
        l.setTextColor(Color.WHITE);
        l.setPosition(Legend.LegendPosition.BELOW_CHART_LEFT);

        mChart.getXAxis().setEnabled(false);

        YAxis leftAxis = mChart.getAxisLeft();
        leftAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
        leftAxis.setTextColor(Color.RED);
        leftAxis.setDrawGridLines(true);
        leftAxis.setGranularityEnabled(true);

        YAxis rightAxis = mChart.getAxisRight();
        rightAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
        rightAxis.setTextColor(Color.RED);
        rightAxis.setDrawGridLines(false);
        rightAxis.setDrawZeroLine(false);
        rightAxis.setGranularityEnabled(false);
    }
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
private void initResistanceChart(LineChart mChart) {
    //        mChart.setOnChartValueSelectedListener(this);
    mChart.setDescription("Skin Resistance");
    mChart.setNoDataTextDescription("You need to provide data for the chart.");
    mChart.setTouchEnabled(true);
    mChart.setDragDecelerationFrictionCoef(0.9f);
    mChart.setDragEnabled(true);
    mChart.setScaleEnabled(true);
    mChart.setDrawGridBackground(false);
    mChart.setHighlightPerDragEnabled(true);
    mChart.setPinchZoom(true);
    mChart.setBackgroundColor(getResources().getColor(R.color.green_pressed));
    mChart.animateX(2500);

    Legend l = mChart.getLegend();
    l.setForm(Legend.LegendForm.LINE);
    l.setTypeface(BandApplication.INSTANCE.getTfLight());
    l.setTextSize(11f);
    l.setTextColor(Color.WHITE);
    l.setPosition(Legend.LegendPosition.BELOW_CHART_LEFT);

    mChart.getXAxis().setEnabled(false);

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
    leftAxis.setTextColor(Color.RED);
    leftAxis.setDrawGridLines(true);
    leftAxis.setGranularityEnabled(true);

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
    rightAxis.setTextColor(Color.RED);
    rightAxis.setDrawGridLines(false);
    rightAxis.setDrawZeroLine(false);
    rightAxis.setGranularityEnabled(false);
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
private void setupChart() {
    mChart.setDrawBarShadow(false);
    mChart.setDrawValueAboveBar(true);
    mChart.setDescription("");
    mChart.setMaxVisibleValueCount(60);
    mChart.setPinchZoom(false);
    mChart.setDrawGridBackground(false);

    XAxis xAxis = mChart.getXAxis();
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setDrawGridLines(false);
    xAxis.setSpaceBetweenLabels(2);

    YAxisValueFormatter custom = new PercentFormatter();

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setLabelCount(8, false);
    leftAxis.setValueFormatter(custom);
    leftAxis.setPosition(YAxis.YAxisLabelPosition.OUTSIDE_CHART);
    leftAxis.setSpaceTop(15f);
    leftAxis.setAxisMinValue(0f);

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setDrawGridLines(false);
    rightAxis.setLabelCount(8, false);
    rightAxis.setValueFormatter(custom);
    rightAxis.setSpaceTop(15f);
    rightAxis.setAxisMinValue(0f);

    Legend legend = mChart.getLegend();
    legend.setPosition(Legend.LegendPosition.BELOW_CHART_LEFT);
    legend.setForm(Legend.LegendForm.CIRCLE);
    legend.setFormSize(9f);
    legend.setTextSize(11f);
    legend.setXEntrySpace(4f);

    mChart.animateXY(1000, 1000);
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
@SuppressWarnings("deprecation")
private void initHumidityChart() {

    m_lineChart.setDescription("");
    m_lineChart.setBackgroundColor(getResources().getColor(R.color.nothing));

    // enable touch gestures
    m_lineChart.setTouchEnabled(true);

    // enable scaling and dragging
    m_lineChart.setDragEnabled(true);
    m_lineChart.setScaleEnabled(false);
    m_lineChart.setScaleXEnabled(false);
    m_lineChart.setScaleYEnabled(false);

    m_lineChart.setPinchZoom(false);

    m_lineChart.setDrawGridBackground(false);

    XAxis x = m_lineChart.getXAxis();
    x.setPosition(XAxis.XAxisPosition.BOTTOM);
    x.setEnabled(false);
    x.setSpaceBetweenLabels(1);

    m_lineChart.getAxisRight().setEnabled(false);

    Legend l = m_lineChart.getLegend();
    l.setPosition(Legend.LegendPosition.BELOW_CHART_LEFT);
    l.setForm(Legend.LegendForm.LINE);
    l.setFormSize(9f);
    l.setTextSize(11f);
    l.setXEntrySpace(4f);
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
private void initCharts(BarChart mChart) {
        mChart.setDrawBarShadow(false);
        mChart.setDrawValueAboveBar(true);

        mChart.setDescription("");

        // if more than 60 entries are displayed in the chart, no values will be
        // drawn
        mChart.setMaxVisibleValueCount(60);

        // scaling can now only be done on x- and y-axis separately
        mChart.setPinchZoom(false);

        // draw shadows for each bar that show the maximum value
        // mChart.setDrawBarShadow(true);

        // mChart.setDrawXLabels(false);

        mChart.setDrawGridBackground(false);
        // mChart.setDrawYLabels(false);

        XAxis xAxis = mChart.getXAxis();
        xAxis.setEnabled(false);

        YAxis leftAxis = mChart.getAxisLeft();
        leftAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
        leftAxis.setLabelCount(6, false);
//        leftAxis.setAxisMinimum(-2.5f);
//        leftAxis.setAxisMaximum(2.5f);
        leftAxis.setGranularityEnabled(true);
        leftAxis.setGranularity(0.1f);

        YAxis rightAxis = mChart.getAxisRight();
        rightAxis.setDrawGridLines(false);
        rightAxis.setTypeface(BandApplication.INSTANCE.getTfLight());
        rightAxis.setLabelCount(6, false);
//        rightAxis.setAxisMinimum(-2.5f);
//        rightAxis.setAxisMaximum(2.5f);
        rightAxis.setGranularity(0.1f);

        Legend l = mChart.getLegend();
        l.setPosition(Legend.LegendPosition.BELOW_CHART_LEFT);
        l.setForm(Legend.LegendForm.SQUARE);
        l.setFormSize(9f);
        l.setTextSize(11f);
        l.setXEntrySpace(4f);

        mChart.animateXY(2000, 2000);
    }
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的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_barchart);

	tvX = (TextView) findViewById(R.id.tvXMax);
	tvY = (TextView) findViewById(R.id.tvYMax);

	mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
	mSeekBarX.setOnSeekBarChangeListener(this);

	mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);
	mSeekBarY.setOnSeekBarChangeListener(this);

	mChart = (BarChart) findViewById(R.id.chart1);
	mChart.setOnChartValueSelectedListener(this);

	mChart.setDescription("");

	// if more than 60 entries are displayed in the chart, no values will be
	// drawn
	mChart.setMaxVisibleValueCount(60);

	// scaling can now only be done on x- and y-axis separately
	mChart.setPinchZoom(false);

	mChart.setDrawGridBackground(false);
	mChart.setDrawBarShadow(false);

	mChart.setDrawValueAboveBar(false);

	// change the position of the y-labels
	YAxis leftAxis = mChart.getAxisLeft();
	leftAxis.setValueFormatter(new MyYAxisValueFormatter());
	leftAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)
	mChart.getAxisRight().setEnabled(false);

	XAxis xLabels = mChart.getXAxis();
	xLabels.setPosition(XAxisPosition.TOP);

	// mChart.setDrawXLabels(false);
	// mChart.setDrawYLabels(false);

	// setting data
	mSeekBarX.setProgress(12);
	mSeekBarY.setProgress(100);

	Legend l = mChart.getLegend();
	l.setPosition(LegendPosition.BELOW_CHART_RIGHT);
	l.setFormSize(8f);
	l.setFormToTextSpace(4f);
	l.setXEntrySpace(6f);

	// mChart.setDrawLegend(false);
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的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_barchart);

    tvX = (TextView) findViewById(R.id.tvXMax);
    tvY = (TextView) findViewById(R.id.tvYMax);

    mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
    mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);

    mChart = (BarChart) findViewById(R.id.chart1);
    mChart.setOnChartValueSelectedListener(this);

    mChart.setDrawBarShadow(false);
    mChart.setDrawValueAboveBar(true);

    mChart.setDescription("");

    // if more than 60 entries are displayed in the chart, no values will be
    // drawn
    mChart.setMaxVisibleValueCount(60);

    // scaling can now only be done on x- and y-axis separately
    mChart.setPinchZoom(false);

    mChart.setDrawGridBackground(false);
    // mChart.setDrawYLabels(false);

    mTf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");

    XAxis xAxis = mChart.getXAxis();
    xAxis.setPosition(XAxisPosition.BOTTOM);
    xAxis.setTypeface(mTf);
    xAxis.setDrawGridLines(false);
    xAxis.setSpaceBetweenLabels(2);

    YAxisValueFormatter custom = new MyYAxisValueFormatter();

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(mTf);
    leftAxis.setLabelCount(8, false);
    leftAxis.setValueFormatter(custom);
    leftAxis.setPosition(YAxisLabelPosition.OUTSIDE_CHART);
    leftAxis.setSpaceTop(15f);
    leftAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setDrawGridLines(false);
    rightAxis.setTypeface(mTf);
    rightAxis.setLabelCount(8, false);
    rightAxis.setValueFormatter(custom);
    rightAxis.setSpaceTop(15f);
    rightAxis.setAxisMinValue(0f); // this replaces setStartAtZero(true)

    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.BELOW_CHART_LEFT);
    l.setForm(LegendForm.SQUARE);
    l.setFormSize(9f);
    l.setTextSize(11f);
    l.setXEntrySpace(4f);
    // l.setExtra(ColorTemplate.VORDIPLOM_COLORS, new String[] { "abc",
    // "def", "ghj", "ikl", "mno" });
    // l.setCustom(ColorTemplate.VORDIPLOM_COLORS, new String[] { "abc",
    // "def", "ghj", "ikl", "mno" });

    setData(12, 50);

    // setting data
    mSeekBarY.setProgress(50);
    mSeekBarX.setProgress(12);

    mSeekBarY.setOnSeekBarChangeListener(this);
    mSeekBarX.setOnSeekBarChangeListener(this);

    // mChart.setDrawLegend(false);
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的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_age_distribution);

    setTitle("Age Distribution Austria");

    mChart = (HorizontalBarChart) findViewById(R.id.chart1);
    mChart.setOnChartValueSelectedListener(this);
    mChart.setDrawGridBackground(false);
    mChart.setDescription("");

    // scaling can now only be done on x- and y-axis separately
    mChart.setPinchZoom(false);

    mChart.setDrawBarShadow(false);
    mChart.setDrawValueAboveBar(true);
    
    mChart.getAxisLeft().setEnabled(false);
    mChart.getAxisRight().setAxisMaxValue(25f);
    mChart.getAxisRight().setAxisMinValue(-25f);
    mChart.getAxisRight().setDrawGridLines(false);
    mChart.getAxisRight().setDrawZeroLine(true);
    mChart.getAxisRight().setLabelCount(7, false);
    mChart.getAxisRight().setValueFormatter(new CustomFormatter());
    mChart.getAxisRight().setTextSize(9f);

    XAxis xAxis = mChart.getXAxis();
    xAxis.setPosition(XAxisPosition.BOTH_SIDED);
    xAxis.setDrawGridLines(false);
    xAxis.setDrawAxisLine(false);
    xAxis.setTextSize(9f);

    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.BELOW_CHART_RIGHT);
    l.setFormSize(8f);
    l.setFormToTextSpace(4f);
    l.setXEntrySpace(6f);

    // IMPORTANT: When using negative values in stacked bars, always make sure the negative values are in the array first
    ArrayList<BarEntry> yValues = new ArrayList<BarEntry>();
    yValues.add(new BarEntry(new float[]{ -10, 10 }, 0));
    yValues.add(new BarEntry(new float[]{ -12, 13 }, 1));
    yValues.add(new BarEntry(new float[]{ -15, 15 }, 2));
    yValues.add(new BarEntry(new float[]{ -17, 17 }, 3));
    yValues.add(new BarEntry(new float[]{ -19, 20 }, 4));
    yValues.add(new BarEntry(new float[]{ -19, 19 }, 5));
    yValues.add(new BarEntry(new float[]{ -16, 16 }, 6));
    yValues.add(new BarEntry(new float[]{ -13, 14 }, 7));
    yValues.add(new BarEntry(new float[]{ -10, 11 }, 8));
    yValues.add(new BarEntry(new float[]{ -5, 6 }, 9));
    yValues.add(new BarEntry(new float[]{ -1, 2 }, 10));

    BarDataSet set = new BarDataSet(yValues, "Age Distribution");
    set.setValueFormatter(new CustomFormatter());
    set.setValueTextSize(7f);
    set.setAxisDependency(YAxis.AxisDependency.RIGHT);
    set.setBarSpacePercent(40f);
    set.setColors(new int[] {Color.rgb(67,67,72), Color.rgb(124,181,236)});
    set.setStackLabels(new String[]{
            "Men", "Women"
    });

    String []xVals = new String[]{"0-10", "10-20", "20-30", "30-40", "40-50", "50-60", "60-70", "70-80", "80-90", "90-100", "100+"};

    BarData data = new BarData(xVals, set);
    mChart.setData(data);
    mChart.invalidate();
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
/**
 * More details about legend customization: https://github.com/PhilJay/MPAndroidChart/wiki/Legend
 */
@ReactProp(name = "legend")
public void setLegend(T chart, ReadableMap propMap) {
    Legend legend = chart.getLegend();

    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "enabled")) {
        legend.setEnabled(propMap.getBoolean("enabled"));
    }

    // Styling
    if (BridgeUtils.validate(propMap, ReadableType.String, "textColor")) {
        legend.setTextColor(Color.parseColor(propMap.getString("textColor")));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "textSize")) {
        legend.setTextSize((float) propMap.getDouble("textSize"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.String, "fontFamily") ||
            BridgeUtils.validate(propMap, ReadableType.Number, "fontStyle")) {
        legend.setTypeface(BridgeUtils.parseTypeface(chart.getContext(), propMap, "fontStyle", "fontFamily"));
    }

    // Wrapping / clipping avoidance
    if (BridgeUtils.validate(propMap, ReadableType.Boolean, "wordWrapEnabled")) {
        legend.setWordWrapEnabled(propMap.getBoolean("wordWrapEnabled"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "maxSizePercent")) {
        legend.setMaxSizePercent((float) propMap.getDouble("maxSizePercent"));
    }

    // Customizing
    if (BridgeUtils.validate(propMap, ReadableType.String, "position")) {
        legend.setPosition(LegendPosition.valueOf(propMap.getString("position").toUpperCase()));
    }
    if (BridgeUtils.validate(propMap, ReadableType.String, "form")) {
        legend.setForm(LegendForm.valueOf(propMap.getString("form").toUpperCase()));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "formSize")) {
        legend.setFormSize((float) propMap.getDouble("formSize"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "xEntrySpace")) {
        legend.setXEntrySpace((float) propMap.getDouble("xEntrySpace"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "yEntrySpace")) {
        legend.setYEntrySpace((float) propMap.getDouble("yEntrySpace"));
    }
    if (BridgeUtils.validate(propMap, ReadableType.Number, "formToTextSpace")) {
        legend.setFormToTextSpace((float) propMap.getDouble("formToTextSpace"));
    }

    // Custom labels & colors
    if (BridgeUtils.validate(propMap, ReadableType.Map, "custom")) {
        ReadableMap customMap = propMap.getMap("custom");
        if (BridgeUtils.validate(customMap, ReadableType.Array, "colors") &&
                BridgeUtils.validate(customMap, ReadableType.Array, "labels")) {

            ReadableArray colorsArray = customMap.getArray("colors");
            ReadableArray labelsArray = customMap.getArray("labels");

            if (colorsArray.size() == labelsArray.size()) {
                // TODO null label should start a group
                // TODO -2 color should avoid drawing a form
                String[] labels = BridgeUtils.convertToStringArray(labelsArray);
                String[] colors = BridgeUtils.convertToStringArray(colorsArray);

                int[] colorsParsed = new int[colors.length];
                for (int i = 0; i < colors.length; i++) {
                    colorsParsed[i] = Color.parseColor(colors[i]);
                }

                legend.setCustom(colorsParsed, labels);
            }
        }
    }

    // TODO resetCustom function
    // TODO extra

    chart.invalidate();     // TODO is this necessary? Looks like enabled is not refreshing without it
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的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);

    tvX = (TextView) findViewById(R.id.tvXMax);
    tvY = (TextView) findViewById(R.id.tvYMax);

    mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
    mSeekBarX.setOnSeekBarChangeListener(this);

    mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);
    mSeekBarY.setOnSeekBarChangeListener(this);

    mChart = (ScatterChart) findViewById(R.id.chart1);
    mChart.setDescription("");

    tf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");

    mChart.setOnChartValueSelectedListener(this);

    mChart.setDrawGridBackground(false);

    mChart.setTouchEnabled(true);

    // enable scaling and dragging
    mChart.setDragEnabled(true);
    mChart.setScaleEnabled(true);

    mChart.setMaxVisibleValueCount(200);
    mChart.setPinchZoom(true);

    mSeekBarX.setProgress(45);
    mSeekBarY.setProgress(100);

    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.RIGHT_OF_CHART);
    l.setTypeface(tf);

    YAxis yl = mChart.getAxisLeft();
    yl.setTypeface(tf);
    yl.setAxisMinValue(0f); // this replaces setStartAtZero(true)
    
    mChart.getAxisRight().setEnabled(false);

    XAxis xl = mChart.getXAxis();
    xl.setTypeface(tf);
    xl.setDrawGridLines(false);
}
 

import com.github.mikephil.charting.components.Legend; //导入方法依赖的package包/类
@Override
public View getView(int position, View convertView, Context c) {

    ViewHolder holder = null;

    if (convertView == null) {

        holder = new ViewHolder();

        convertView = LayoutInflater.from(c).inflate(
                R.layout.list_item_piechart, null);
        holder.chart = (PieChart) convertView.findViewById(R.id.chart);

        convertView.setTag(holder);

    } else {
        holder = (ViewHolder) convertView.getTag();
    }

    // apply styling
    holder.chart.setDescription("");
    holder.chart.setHoleRadius(52f);
    holder.chart.setTransparentCircleRadius(57f);
    holder.chart.setCenterText(mCenterText);
    holder.chart.setCenterTextTypeface(mTf);
    holder.chart.setCenterTextSize(9f);
    holder.chart.setUsePercentValues(true);
    holder.chart.setExtraOffsets(5, 10, 50, 10);

    mChartData.setValueFormatter(new PercentFormatter());
    mChartData.setValueTypeface(mTf);
    mChartData.setValueTextSize(11f);
    mChartData.setValueTextColor(Color.WHITE);
    // set data
    holder.chart.setData((PieData) mChartData);

    Legend l = holder.chart.getLegend();
    l.setPosition(LegendPosition.RIGHT_OF_CHART);
    l.setYEntrySpace(0f);
    l.setYOffset(0f);

    // do not forget to refresh the chart
    // holder.chart.invalidate();
    holder.chart.animateY(900);

    return convertView;
}