LineChartView.java 文件源码

/**
 * 绘制曲线上的锚点
 *
 * @param canvas
 */
private void drawLinePoints(Canvas canvas) {
    if (linePoints == null) return;

    float pointWidth = dip2px(pointWidthDP) / 2;
    int pointCount = linePoints.length;
    if (isPlayAnim) {
        pointCount = Math.round(currentValue * linePoints.length);
    }
    for (int i = 0; i < pointCount; i++) {
        Point point = linePoints[i];
        if (point == null) break;
        if (isCubePoint) {
            canvas.drawPoint(point.x, point.y, pointPaint);
        } else {
            canvas.drawCircle(point.x, point.y, pointWidth, pointPaint);
        }
        //绘制点的文本
        drawLinePointText(canvas, String.valueOf(dataList.get(i).getValue()), point.x, point.y);
    }
}