您可以覆盖createRenderers()
方法中的CombinedChartRenderer
班级。通过这种方式,您可以为您在应用程序中使用的每种类型的图表使用自己的渲染器。CombinedChart
.
它将是这样的:
public class MyCombinedChartRenderer extends CombinedChartRenderer {
public MyCombinedChartRenderer(CombinedChart chart, ChartAnimator animator, ViewPortHandler viewPortHandler) {
super(chart, animator, viewPortHandler);
}
@Override
public void createRenderers() {
this.mRenderers.clear();
CombinedChart chart = (CombinedChart)this.mChart.get();
if (chart != null) {
CombinedChart.DrawOrder[] orders = chart.getDrawOrder();
CombinedChart.DrawOrder[] var3 = orders;
int var4 = orders.length;
for(int var5 = 0; var5 < var4; ++var5) {
CombinedChart.DrawOrder order = var3[var5];
switch(order) {
case BAR:
if (chart.getBarData() != null) {
this.mRenderers.add(new BarChartRenderer(chart, this.mAnimator, this.mViewPortHandler));
}
break;
case BUBBLE:
if (chart.getBubbleData() != null) {
this.mRenderers.add(new BubbleChartRenderer(chart, this.mAnimator, this.mViewPortHandler));
}
break;
case LINE:
if (chart.getLineData() != null) {
// replace with you own Line chart renderer
//this.mRenderers.add(new LineChartRenderer(chart, this.mAnimator, this.mViewPortHandler));
this.mRenderers.add(new MyLineChartRenderer(chart, this.mAnimator, this.mViewPortHandler));
}
break;
case CANDLE:
if (chart.getCandleData() != null) {
this.mRenderers.add(new CandleStickChartRenderer(chart, this.mAnimator, this.mViewPortHandler));
}
break;
case SCATTER:
if (chart.getScatterData() != null) {
this.mRenderers.add(new ScatterChartRenderer(chart, this.mAnimator, this.mViewPortHandler));
}
}
}
}
}
}
在上面的代码中,switch
阻塞时case LINE:
遇到这种情况,我们用我们自己的版本替换默认渲染器:MyLineChartRenderer
.
最后,在您的 Activity 代码中,您可以将此渲染器与您的 JointChart 一起使用:
CombinedChart combinedChart = (CombinedChart) findViewById(R.id.barChart);
combinedChart.setRenderer(new MyCombinedChartRenderer(combinedChart, combinedChart.getAnimator(), combinedChart.getViewPortHandler()));