예제 #1
0
 @Override
 public void render(Canvas canvas) {
   try {
     chart.render(canvas);
   } catch (Exception e) {
     Log.e(TAG, e.toString());
   }
 }
예제 #2
0
  private void chartRender() {
    try {

      // 设置绘图区默认缩进px值,留置空间显示Axis,Axistitle....
      int[] ltrb = getBarLnDefaultSpadding();
      chart.setPadding(ltrb[0], ltrb[1], ltrb[2], ltrb[3]);

      // 限制Tickmarks可滑动偏移范围
      chart.setXTickMarksOffsetMargin(ltrb[2] - 20.f);
      chart.setYTickMarksOffsetMargin(ltrb[3] - 20.f);

      // 显示边框
      chart.showRoundBorder();

      // 设定数据源
      chart.setCategories(labels);
      chart.setDataSource(chartData);

      // 数据轴最大值
      chart.getDataAxis().setAxisMax(100);
      // 数据轴刻度间隔
      chart.getDataAxis().setAxisSteps(10);

      // 背景网格
      chart.getPlotGrid().showHorizontalLines();
      // chart.getPlotGrid().showVerticalLines();
      chart.getPlotGrid().showEvenRowBgColor();
      chart.getPlotGrid().showOddRowBgColor();

      chart.getPlotGrid().getHorizontalLinePaint().setStrokeWidth(2);
      chart.getPlotGrid().setHorizontalLineStyle(XEnum.LineStyle.DASH);
      chart.getPlotGrid().setVerticalLineStyle(XEnum.LineStyle.DOT);

      chart.getPlotGrid().getHorizontalLinePaint().setColor(Color.RED);
      chart.getPlotGrid().getVerticalLinePaint().setColor(Color.BLUE);

      chart.setTitle("折线图(Line Chart)");
      chart.addSubtitle("(XCL-Charts Demo)");

      chart.getAxisTitle().setLowerTitle("(年份)");

      // 激活点击监听
      chart.ActiveListenItemClick();
      // 为了让触发更灵敏,可以扩大5px的点击监听范围
      chart.extPointClickRange(5);
      chart.showClikedFocus();

      // 绘制十字交叉线
      chart.showDyLine();
      chart.getDyLine().setDyLineStyle(XEnum.DyLineStyle.Vertical);

      /*
      //想隐藏轴的可以下面的函数来隐藏
      chart.getDataAxis().hide();
      chart.getCategoryAxis().hide();
      //想设置刻度线属性的可用下面函数
      chart.getDataAxis().getTickMarksPaint()
      chart.getCategoryAxis().getTickMarksPaint()
      //想设置刻度线标签属性的可用下面函数
      chart.getDataAxis().getAxisTickLabelPaint()
      chart.getCategoryAxis().getAxisTickLabelPaint()
      */

      chart.getPlotArea().extWidth(100.f);

      // 调整轴显示位置
      chart.setDataAxisLocation(XEnum.AxisLocation.RIGHT);
      chart.setCategoryAxisLocation(XEnum.AxisLocation.TOP);

      // 收缩绘图区右边分割的范围,让绘图区的线不显示出来
      chart.getClipExt().setExtRight(0.f);

      // test x坐标从刻度线而不是轴开始
      // chart.setXCoordFirstTickmarksBegin(true);
      // chart.getCategoryAxis().showTickMarks();
      // chart.getCategoryAxis().setVerticalTickPosition(XEnum.VerticalAlign.MIDDLE);

    } catch (Exception e) {
      // TODO Auto-generated catch block
      Log.e(TAG, e.toString());
    }
  }
예제 #3
0
 @Override
 protected void onSizeChanged(int w, int h, int oldw, int oldh) {
   super.onSizeChanged(w, h, oldw, oldh);
   // 图所占范围大小
   chart.setChartRange(w, h);
 }
예제 #4
0
  // 触发监听
  private void triggerClick(float x, float y) {

    // 交叉线
    if (chart.getDyLineVisible()) chart.getDyLine().setCurrentXY(x, y);
    if (!chart.getListenItemClickStatus()) {
      // 交叉线
      if (chart.getDyLineVisible()) this.invalidate();
    } else {
      PointPosition record = chart.getPositionRecord(x, y);
      if (null == record) {
        if (chart.getDyLineVisible()) this.invalidate();
        return;
      }

      LineData lData = chartData.get(record.getDataID());
      Double lValue = lData.getLinePoint().get(record.getDataChildID());

      float r = record.getRadius();
      chart.showFocusPointF(record.getPosition(), r + r * 0.5f);
      chart.getFocusPaint().setStyle(Style.STROKE);
      chart.getFocusPaint().setStrokeWidth(3);
      if (record.getDataID() >= 3) {
        chart.getFocusPaint().setColor(Color.BLUE);
      } else {
        chart.getFocusPaint().setColor(Color.RED);
      }

      // 在点击处显示tooltip
      mPaintTooltips.setColor(Color.RED);
      // chart.getToolTip().setCurrentXY(x,y);
      chart.getToolTip().setCurrentXY(record.getPosition().x, record.getPosition().y);

      chart.getToolTip().addToolTip(" Key:" + lData.getLineKey(), mPaintTooltips);
      chart.getToolTip().addToolTip(" Label:" + lData.getLabel(), mPaintTooltips);
      chart.getToolTip().addToolTip(" Current Value:" + Double.toString(lValue), mPaintTooltips);

      // 当前标签对应的其它点的值
      int cid = record.getDataChildID();
      String xLabels = "";
      for (LineData data : chartData) {
        if (cid < data.getLinePoint().size()) {
          xLabels = Double.toString(data.getLinePoint().get(cid));
          chart.getToolTip().addToolTip("Line:" + data.getLabel() + "," + xLabels, mPaintTooltips);
        }
      }

      this.invalidate();
    }
  }