Java Code Examples for com.github.mikephil.charting.components.Legend#setPosition()

@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;
}
 

private void setupCharts() {

        // set up pie chart
        pcCategories.setCenterText("");
        pcCategories.setCenterTextSize(10f);
        pcCategories.setHoleRadius(50f);
        pcCategories.setTransparentCircleRadius(55f);
        pcCategories.setUsePercentValues(true);
        pcCategories.setDescription("");
        pcCategories.setNoDataText("");

        Legend l = pcCategories.getLegend();
        l.setPosition(Legend.LegendPosition.BELOW_CHART_RIGHT);
        pcCategories.animateY(1500, Easing.EasingOption.EaseInOutQuad);

    }
 

private void initScatter() {
    final ScatterChart scatterChart = getScatterChart();
    if(scatterChart == null) {
        return;
    }
    scatterChart.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            // Show
            AlertDialog.Builder builder = new AlertDialog.Builder(CalibrationLinearityActivity.this);
            builder.setTitle(CalibrationLinearityActivity.this.getText(R.string.calibration_select_frequency));
            ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(CalibrationLinearityActivity.this,
                    R.array.calibrate_type_list_array, android.R.layout.simple_selectable_list_item);
            builder.setAdapter(adapter,
                    new ItemActionOnClickListener(CalibrationLinearityActivity.this, scatterChart));
            builder.show();
        }
    });

    scatterChart.setDescription("");

    scatterChart.setDrawGridBackground(false);

    scatterChart.setMaxVisibleValueCount(200);

    Legend l = scatterChart.getLegend();
    l.setPosition(Legend.LegendPosition.RIGHT_OF_CHART);
    l.setTextColor(Color.WHITE);

    YAxis yl = scatterChart.getAxisLeft();
    yl.setTextColor(Color.WHITE);
    yl.setGridColor(Color.WHITE);
    scatterChart.getAxisRight().setEnabled(false);

    XAxis xl = scatterChart.getXAxis();
    xl.setDrawGridLines(false);
    xl.setTextColor(Color.WHITE);
    xl.setGridColor(Color.WHITE);
}
 

private void initBar() {
    BarChart barChart = getBarChart();
    if(barChart == null) {
        return;
    }
    barChart.setDescription("");

    barChart.setDrawGridBackground(false);

    barChart.setMaxVisibleValueCount(200);

    Legend l = barChart.getLegend();
    l.setPosition(Legend.LegendPosition.ABOVE_CHART_LEFT);
    l.setTextColor(Color.WHITE);

    YAxis yl = barChart.getAxisLeft();
    yl.setTextColor(Color.WHITE);
    yl.setGridColor(Color.WHITE);
    barChart.getAxisRight().setEnabled(false);

    XAxis xl = barChart.getXAxis();
    xl.setDrawGridLines(false);
    xl.setTextColor(Color.WHITE);
    xl.setGridColor(Color.WHITE);
    xl.setPosition(XAxis.XAxisPosition.BOTTOM);
    xl.setDrawAxisLine(true);
    xl.setLabelRotationAngle(-90);
    xl.setDrawLabels(true);
    xl.setLabelsToSkip(0);
}
 

private void initLine() {
    LineChart lineChart = getLineChart();
    if(lineChart == null) {
        return;
    }
    lineChart.setDescription("");

    lineChart.setDrawGridBackground(false);

    // enable scaling and dragging

    Legend l = lineChart.getLegend();
    l.setPosition(Legend.LegendPosition.RIGHT_OF_CHART);
    l.setTextColor(Color.WHITE);

    YAxis yl = lineChart.getAxisLeft();
    yl.setTextColor(Color.WHITE);
    yl.setGridColor(Color.WHITE);
    lineChart.getAxisRight().setEnabled(false);

    XAxis xl = lineChart.getXAxis();
    xl.setDrawGridLines(false);
    xl.setTextColor(Color.WHITE);
    xl.setGridColor(Color.WHITE);
    xl.setPosition(XAxis.XAxisPosition.BOTTOM);
    xl.setDrawAxisLine(true);
    xl.setLabelRotationAngle(-90);
    xl.setDrawLabels(true);
    xl.setLabelsToSkip(0);
}
 

private void addDataSet() {
    Log.d(TAG, "addDataSet started");
    ArrayList<PieEntry> yEntrys = new ArrayList<>();
    ArrayList<String> xEntrys = new ArrayList<>();

    for(int i = 0; i < yData.length; i++){
        yEntrys.add(new PieEntry(yData[i] , i));
    }

    for(int i = 1; i < xData.length; i++){
        xEntrys.add(xData[i]);
    }

    //create the data set
    PieDataSet pieDataSet = new PieDataSet(yEntrys, "Төлөвлөгөөний үзүүлэлтлл");
    pieDataSet.setSliceSpace(2);
    pieDataSet.setValueTextSize(12);

    //add colors to dataset
    ArrayList<Integer> colors = new ArrayList<>();
    colors.add(Color.GRAY);
    colors.add(Color.BLUE);
    colors.add(Color.RED);
    colors.add(Color.GREEN);
    colors.add(Color.CYAN);
    colors.add(Color.YELLOW);
    colors.add(Color.MAGENTA);

    pieDataSet.setColors(colors);

    //add legend to chart
    Legend legend = pieChart.getLegend();
    legend.setForm(Legend.LegendForm.CIRCLE);
    legend.setPosition(Legend.LegendPosition.LEFT_OF_CHART);

    //create pie data object
    PieData pieData = new PieData(pieDataSet);
    pieChart.setData(pieData);
    pieChart.invalidate();
}
 

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setContentView(R.layout.activity_linechart);

        tvX = (TextView) findViewById(R.id.tvXMax);
        tvY = (TextView) findViewById(R.id.tvYMax);
        mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
        mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);

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

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

        mChart = (LineChart) findViewById(R.id.chart1);
        mChart.setOnChartValueSelectedListener(this);
        
        // no description text
        mChart.setDescription("");
        mChart.setNoDataTextDescription("You need to provide data for the chart.");

        // enable touch gestures
        mChart.setTouchEnabled(true);
        
        mChart.setDragDecelerationFrictionCoef(0.9f);

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

        // if disabled, scaling can be done on x- and y-axis separately
        mChart.setPinchZoom(true);

        // set an alternative background color
        mChart.setBackgroundColor(Color.LTGRAY);

        // add data
        setData(20, 30);

        mChart.animateX(2500);

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

        // get the legend (only possible after setting data)
        Legend l = mChart.getLegend();

        // modify the legend ...
        // l.setPosition(LegendPosition.LEFT_OF_CHART);
        l.setForm(LegendForm.LINE);
        l.setTypeface(tf);
        l.setTextSize(11f);
        l.setTextColor(Color.WHITE);
        l.setPosition(LegendPosition.BELOW_CHART_LEFT);
//        l.setYOffset(11f);

        XAxis xAxis = mChart.getXAxis();
        xAxis.setTypeface(tf);
        xAxis.setTextSize(12f);
        xAxis.setTextColor(Color.WHITE);
        xAxis.setDrawGridLines(false);
        xAxis.setDrawAxisLine(false);
        xAxis.setSpaceBetweenLabels(1);

        YAxis leftAxis = mChart.getAxisLeft();
        leftAxis.setTypeface(tf);
        leftAxis.setTextColor(ColorTemplate.getHoloBlue());
        leftAxis.setAxisMaxValue(200f);
        leftAxis.setAxisMinValue(0f);
        leftAxis.setDrawGridLines(true);
        
        YAxis rightAxis = mChart.getAxisRight();
        rightAxis.setTypeface(tf);
        rightAxis.setTextColor(Color.RED);
        rightAxis.setAxisMaxValue(900);
        rightAxis.setAxisMinValue(-200);
        rightAxis.setDrawGridLines(false);
        rightAxis.setDrawZeroLine(false);
    }
 

/**
     * style a basic chart in app style
     *
     * @param chart chart object to be styled
     * @return styled chart object
     */
    public static BarLineChartBase FormatChart(BarLineChartBase chart)
    {
        chart.getAxisLeft().setStartAtZero(false);
        chart.getAxisRight().setStartAtZero(false);

        // hide grid lines & borders
        chart.getAxisLeft().setDrawGridLines(false);
        chart.getAxisRight().setDrawGridLines(false);
        chart.getXAxis().setDrawGridLines(false);
        chart.getAxisLeft().setValueFormatter(new GraphValueFormatter());
        chart.getAxisRight().setValueFormatter(new GraphValueFormatter());
        chart.setDrawBorders(false);

        chart.setDescription("");

        // disable all interactions except highlighting selection
        chart.setTouchEnabled(false);
        chart.setScaleEnabled(false);
        chart.setPinchZoom(false);
        chart.setDoubleTapToZoomEnabled(false);
        chart.setDrawGridBackground(false);

        chart.getData().setHighlightEnabled(true);

        chart.getAxisLeft().setAxisMaxValue(PitchCalculator.maxPitch.floatValue());
        chart.getAxisRight().setAxisMaxValue(PitchCalculator.maxPitch.floatValue());
        chart.getAxisRight().setAxisMinValue(PitchCalculator.minPitch.floatValue());
        chart.getAxisLeft().setAxisMinValue(PitchCalculator.minPitch.floatValue());

        chart.getAxisLeft().setValueFormatter(new GraphValueFormatter());
        chart.getAxisRight().setValueFormatter(new GraphValueFormatter());
        chart.setDrawBorders(false);

        // set min/max values etc. for axes
        chart.getAxisLeft().setAxisMinValue(PitchCalculator.minMalePitch.floatValue());
        chart.getAxisRight().setAxisMinValue(PitchCalculator.minMalePitch.floatValue());
//        chart.getAxisRight().setStartAtZero(false);

        chart.setHardwareAccelerationEnabled(true);
        //        chart.getLegend().setEnabled(false);

        Legend legend = chart.getLegend();
        legend.setPosition(Legend.LegendPosition.BELOW_CHART_CENTER);

        return chart;
    }
 

/**
 * 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
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_piechart);

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

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

    mSeekBarY.setProgress(10);

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

    mChart = (PieChart) findViewById(R.id.chart1);
    mChart.setUsePercentValues(true);
    mChart.setDescription("");
    mChart.setExtraOffsets(5, 10, 5, 5);

    mChart.setDragDecelerationFrictionCoef(0.95f);

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

    mChart.setCenterTextTypeface(Typeface.createFromAsset(getAssets(), "OpenSans-Light.ttf"));
    mChart.setCenterText(generateCenterSpannableText());

    mChart.setDrawHoleEnabled(true);
    mChart.setHoleColor(Color.WHITE);

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

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

    mChart.setDrawCenterText(true);

    mChart.setRotationAngle(0);
    // enable rotation of the chart by touch
    mChart.setRotationEnabled(true);
    mChart.setHighlightPerTapEnabled(true);

    // mChart.setUnit(" €");
    // mChart.setDrawUnitsInChart(true);

    // add a selection listener
    mChart.setOnChartValueSelectedListener(this);

    setData(3, 100);

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

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

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_linechart);

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

    mChart.getAxisLeft().setDrawAxisLine(false);
    mChart.getAxisLeft().setDrawGridLines(false);
    mChart.getAxisRight().setDrawAxisLine(false);
    mChart.getAxisRight().setDrawGridLines(false);
    mChart.getXAxis().setDrawAxisLine(false);
    mChart.getXAxis().setDrawGridLines(false);

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

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

    // if disabled, scaling can be done on x- and y-axis separately
    mChart.setPinchZoom(false);

    mSeekBarX.setProgress(20);
    mSeekBarY.setProgress(100);

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

@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;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_radarchart);

    mChart = (RadarChart) findViewById(R.id.chart1);

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

    mChart.setDescription("");

    mChart.setWebLineWidth(1.5f);
    mChart.setWebLineWidthInner(0.75f);
    mChart.setWebAlpha(100);

    // create a custom MarkerView (extend MarkerView) and specify the layout
    // to use for it
    MyMarkerView mv = new MyMarkerView(this, R.layout.custom_marker_view);

    // set the marker to the chart
    mChart.setMarkerView(mv);

    setData();

    mChart.animateXY(
            1400, 1400,
            Easing.EasingOption.EaseInOutQuad,
            Easing.EasingOption.EaseInOutQuad);

    XAxis xAxis = mChart.getXAxis();
    xAxis.setTypeface(tf);
    xAxis.setTextSize(9f);

    YAxis yAxis = mChart.getYAxis();
    yAxis.setTypeface(tf);
    yAxis.setLabelCount(5, false);
    yAxis.setTextSize(9f);
    yAxis.setAxisMinValue(0f);

    Legend l = mChart.getLegend();
    l.setPosition(LegendPosition.RIGHT_OF_CHART);
    l.setTypeface(tf);
    l.setXEntrySpace(7f);
    l.setYEntrySpace(5f);
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_bubblechart);

    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 = (BubbleChart) 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(5);
    mSeekBarY.setProgress(50);

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

    YAxis yl = mChart.getAxisLeft();
    yl.setTypeface(tf);
    yl.setSpaceTop(30f);
    yl.setSpaceBottom(30f);
    yl.setDrawZeroLine(false);
    
    mChart.getAxisRight().setEnabled(false);

    XAxis xl = mChart.getXAxis();
    xl.setPosition(XAxis.XAxisPosition.BOTTOM);
    xl.setTypeface(tf);
}
 

@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);
}
 

@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();
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_barchart_sinus);
    
    mSinusData = FileUtils.loadBarEntriesFromAssets(getAssets(),"othersine.txt");

    tvX = (TextView) findViewById(R.id.tvValueCount);

    mSeekBarX = (SeekBar) findViewById(R.id.seekbarValues);

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

    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);

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

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

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(mTf);
    leftAxis.setLabelCount(6, false);
    leftAxis.setAxisMinValue(-2.5f);
    leftAxis.setAxisMaxValue(2.5f);

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setDrawGridLines(false);
    rightAxis.setTypeface(mTf);
    rightAxis.setLabelCount(6, false);
    rightAxis.setAxisMinValue(-2.5f);
    rightAxis.setAxisMaxValue(2.5f);

    mSeekBarX.setOnSeekBarChangeListener(this);
    mSeekBarX.setProgress(150); // set data

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

    mChart.animateXY(2000, 2000);
}
 

@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);
}
 

@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);
}
 

@Override
protected void initData() {
    ivBack.setVisibility(View.VISIBLE);
    ivSetting.setVisibility(View.GONE);
    tvTitle.setText("饼状图");

    // 初始化字体库
    mTf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");

    pieChart.setDescription("目前android市场的占比情况");
    // 设置内部圆的半径
    pieChart.setHoleRadius(52f);
    // 设置包裹内部圆的半径
    pieChart.setTransparentCircleRadius(67f);

    pieChart.setCenterText("Android\n市场占比");
    // 设置中间显示的文本的字体
    pieChart.setCenterTextTypeface(mTf);
    // 设置中间显示的文本的字体大小
    pieChart.setCenterTextSize(18f);
    // 显示的各个部分的占比和是否为100%
    pieChart.setUsePercentValues(true);

    // 产生饼状图的数据
    PieData mChartData = generateDataPie();

    // 设置显示数据的格式
    mChartData.setValueFormatter(new PercentFormatter());
    mChartData.setValueTypeface(mTf);
    // 设置显示各个部分的文字的字体大小
    mChartData.setValueTextSize(11f);
    // 设置显示各个部分的文字的字体颜色
    mChartData.setValueTextColor(Color.RED);
    // set data
    pieChart.setData(mChartData);

    //获取图示的说明结构
    Legend l = pieChart.getLegend();
    //设置显示的位置
    l.setPosition(Legend.LegendPosition.RIGHT_OF_CHART);
    //设置几项说明在Y轴方向的间距
    l.setYEntrySpace(10f);
    //设置第一项距离y轴顶部的间距
    l.setYOffset(30f);

    // do not forget to refresh the chart
    // pieChart.invalidate();
    pieChart.animateXY(900, 900);
}