import com.jjoe64.graphview.series.BarGraphSeries; //导入依赖的package包/类
private void createSeries(final GraphView view, final int spacing)
{
    Handler handler = new Handler(Looper.getMainLooper());
    handler.postDelayed(new Runnable()
    {
        public void run()
        {
            _series = new BarGraphSeries<>();
            _series.setColor(Color.parseColor(options.color.get()));
            _series.setDrawValuesOnTop(true);
            _series.setValuesOnTopColor(Color.BLACK);
            _series.setSpacing(spacing);

            view.addSeries(_series);
        }
    }, 1);
}
 

import com.jjoe64.graphview.series.BarGraphSeries; //导入依赖的package包/类
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_activity_reporte);

        dbHelper = new DBHelper(this);

        Intent intent = getIntent();
        _id_reclutador =intent.getStringExtra("id_reclutador");
        fecha = intent.getStringExtra("fecha");
        fecha2 = intent.getStringExtra("fecha2");

        GraphView graph = (GraphView) findViewById(R.id.graph);
        BarGraphSeries<DataPoint> series = new BarGraphSeries<DataPoint>(new DataPoint[] {
                new DataPoint(0, getEmpresaCount("BOSCH", fecha, fecha2)),
                new DataPoint(1, getEmpresaCount("HONEYWELL", fecha, fecha2)),
                new DataPoint(2, getEmpresaCount("UTC", fecha, fecha2)),
                new DataPoint(3, getEmpresaCount("SKYWORKS", fecha, fecha2)),

        });
        graph.addSeries(series);

// styling
        series.setValueDependentColor(new ValueDependentColor<DataPoint>() {
            @Override
            public int get(DataPoint data) {
                return Color.rgb((int) data.getX() * 255 / 4, (int) Math.abs(data.getY() * 255 / 6), 100);
            }
        });

        series.setSpacing(10);
        series.setTitle("Reporte de Fecha #1 a Fecha #2");

// draw values on top
        series.setDrawValuesOnTop(true);
        series.setValuesOnTopColor(Color.RED);
//series.setValuesOnTopSize(50);
        txtEmpresas = (TextView) findViewById(R.id.txtEmpresas);
        txtEmpresas.setText("1.- BOSCH\n2.- HONEYWELL\n3.- UTC\n4.- SKYWORKS");
    }
 

import com.jjoe64.graphview.series.BarGraphSeries; //导入依赖的package包/类
@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_activity_reporte);

        dbHelper = new DBHelper(this);

        Intent intent = getIntent();
        _id_reclutador =intent.getStringExtra("id_reclutador");
        fecha = intent.getStringExtra("fecha");
        fecha2 = intent.getStringExtra("fecha2");

        GraphView graph = (GraphView) findViewById(R.id.graph);
        BarGraphSeries<DataPoint> series = new BarGraphSeries<DataPoint>(new DataPoint[] {
                new DataPoint(0, getEmpresaCount("BOSCH", fecha, fecha2)),
                new DataPoint(1, getEmpresaCount("Chromalloy", fecha, fecha2)),
                new DataPoint(2, getEmpresaCount("UTC", fecha, fecha2))
        });
        graph.addSeries(series);

// styling
        series.setValueDependentColor(new ValueDependentColor<DataPoint>() {
            @Override
            public int get(DataPoint data) {
                return Color.rgb((int) data.getX() * 255 / 4, (int) Math.abs(data.getY() * 255 / 6), 100);
            }
        });

        series.setSpacing(10);
        series.setTitle("Reporte de Fecha #1 a Fecha #2");

// draw values on top
        series.setDrawValuesOnTop(true);
        series.setValuesOnTopColor(Color.RED);
//series.setValuesOnTopSize(50);
        txtEmpresas = (TextView) findViewById(R.id.txtEmpresas);
        txtEmpresas.setText("1.- BOSCH\n2.- Honeywell\n3.- UTC\n4.- Chromalloy\n5.- ManPower\n6.- Skyworks\n7.- Pilkington");
    }
 

import com.jjoe64.graphview.series.BarGraphSeries; //导入依赖的package包/类
private void setupGraph(
        Map<String, List<StatsService.DataPoint>> dataPointsByCollectionId,
        GraphView graph,
        boolean yFromZero,
        final Formatter yAxisFormatter) {

    double minX = System.currentTimeMillis() - TimeUnit.DAYS.toMillis(daysAgo) - TimeUnit.HOURS.toMillis(12);
    double maxX = System.currentTimeMillis() + TimeUnit.HOURS.toMillis(12);
    double minY = 0;
    double maxY = 0;

    int colorNo = 0;
    for (String collectionId : dataPointsByCollectionId.keySet()) {
        List<StatsService.DataPoint> points = dataPointsByCollectionId.get(collectionId);

        BarGraphSeries series = new BarGraphSeries<>(points.toArray(new DataPointInterface[points.size()]));
        series.setColor(ContextCompat.getColor(this, graphColors[(colorNo ++) % graphColors.length]));
        series.setTitle(collectionId);

        graph.addSeries(series);

        if (minY == 0) {
            minY = series.getLowestValueY();
        }
        if (maxY == 0) {
            maxY = series.getHighestValueY();
        }

        maxY = Math.max(maxY, series.getHighestValueY());
        minY = Math.min(minY, series.getLowestValueY());
    }

    if (yFromZero) {
        minY = 0;
    }

    if (minY == maxY) {
        minY = 0;
        maxY = 1 + maxY * 1.5;
    }

    graph.getViewport().setMinX(minX);
    graph.getViewport().setMaxX(maxX);
    graph.getViewport().setXAxisBoundsManual(true);

    graph.getViewport().setMinY(minY);
    graph.getViewport().setMaxY(maxY);
    graph.getViewport().setYAxisBoundsManual(true);

    graph.getLegendRenderer().setFixedPosition(0, 0);
    graph.getLegendRenderer().setVisible(true);

    graph.getGridLabelRenderer().setLabelFormatter(new LabelFormatter() {
        public String lattestFormatted;
        Calendar cal = Calendar.getInstance();
        @Override
        public String formatLabel(double value, boolean isValueX) {
            if (isValueX) {
                cal.setTimeInMillis((long) value);
                String formatted = String.valueOf(cal.get(Calendar.DAY_OF_MONTH));
                if (formatted.equals(lattestFormatted)) {
                    this.lattestFormatted = formatted;
                    return "";
                }
                this.lattestFormatted = formatted;
                return formatted;
            }
            return yAxisFormatter.format(value);
        }

        @Override
        public void setViewport(Viewport viewport) {}
    });
    graph.getGridLabelRenderer().setGridColor(Color.GRAY);
    graph.getGridLabelRenderer().setNumHorizontalLabels(daysAgo);
}
 

import com.jjoe64.graphview.series.BarGraphSeries; //导入依赖的package包/类
/**
 * creates the graphview object with data and
 * other options from xml attributes.
 *
 * @param context
 * @param attrs
 */
public GraphViewXML(Context context, AttributeSet attrs) {
    super(context, attrs);

    // get attributes
    TypedArray a=context.obtainStyledAttributes(
            attrs,
            R.styleable.GraphViewXML);

    String dataStr = a.getString(R.styleable.GraphViewXML_seriesData);
    int color = a.getColor(R.styleable.GraphViewXML_seriesColor, Color.TRANSPARENT);
    String type = a.getString(R.styleable.GraphViewXML_seriesType);
    String seriesTitle = a.getString(R.styleable.GraphViewXML_seriesTitle);
    String title = a.getString(R.styleable.GraphViewXML_android_title);

    a.recycle();

    // decode data
    DataPoint[] data;
    if (dataStr == null || dataStr.isEmpty()) {
        throw new IllegalArgumentException("Attribute seriesData is required in the format: 0=5.0;1=5;2=4;3=9");
    } else {
        String[] d = dataStr.split(";");
        try {
            data = new DataPoint[d.length];
            int i = 0;
            for (String dd : d) {
                String[] xy = dd.split("=");
                data[i] = new DataPoint(Double.parseDouble(xy[0]), Double.parseDouble(xy[1]));
                i++;
            }
        } catch (Exception e) {
            Log.e("GraphViewXML", e.toString());
            throw new IllegalArgumentException("Attribute seriesData is broken. Use this format: 0=5.0;1=5;2=4;3=9");
        }
    }

    // create series
    BaseSeries<DataPoint> series;
    if (type == null || type.isEmpty()) {
        type = "line";
    }
    if (type.equals("line")) {
        series = new LineGraphSeries<DataPoint>(data);
    } else if (type.equals("bar")) {
        series = new BarGraphSeries<DataPoint>(data);
    } else if (type.equals("points")) {
        series = new PointsGraphSeries<DataPoint>(data);
    } else {
        throw new IllegalArgumentException("unknown graph type: "+type+". Possible is line|bar|points");
    }
    if (color != Color.TRANSPARENT) {
        series.setColor(color);
    }
    addSeries(series);

    if (seriesTitle != null && !seriesTitle.isEmpty()) {
        series.setTitle(seriesTitle);
        getLegendRenderer().setVisible(true);
    }

    if (title != null && !title.isEmpty()) {
        setTitle(title);
    }
}