private void chartRender() {
try {
// 设置绘图区默认缩进px值
int[] ltrb = getPieDefaultSpadding();
chart.setPadding(ltrb[0], ltrb[1], ltrb[2], ltrb[3]);
chart.setTitle("雷达图-Radar Chart");
chart.addSubtitle("(XCL-Charts Demo)");
// 设定数据源
chart.setCategories(labels);
chart.setDataSource(chartData);
// 数据轴最大值
chart.getDataAxis().setAxisMax(50);
// 数据轴刻度间隔
chart.getDataAxis().setAxisSteps(10);
// 主轴标签偏移50，以便留出空间用于显示点和标签
chart.getDataAxis().setTickLabelMargin(50);
// 定义数据轴标签显示格式
chart
.getDataAxis()
.setLabelFormatter(
new IFormatterTextCallBack() {
@Override
public String textFormatter(String value) {
// TODO Auto-generated method stub
Double tmp = Double.parseDouble(value);
DecimalFormat df = new DecimalFormat("#0");
String label = df.format(tmp).toString();
return (label);
}
});
// 定义数据点标签显示格式
chart.setDotLabelFormatter(
new IFormatterDoubleCallBack() {
@Override
public String doubleFormatter(Double value) {
// TODO Auto-generated method stub
DecimalFormat df = new DecimalFormat("#0");
String label = "[" + df.format(value).toString() + "]";
return label;
}
});
} catch (Exception e) {
// TODO Auto-generated catch block
Log.e(TAG, e.toString());
}
}
@Override
public void render(Canvas canvas) {
try {
chart.render(canvas);
} catch (Exception e) {
Log.e(TAG, e.toString());
}
}
@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);
}