OverlayDemo.java 文件源码

private void drawPolyline(Canvas canvas, MapView mapView)
{
    Point ptLine1=mapView.getProjection().toPixels(geoPolyLine1, null);
    Point ptLine2=mapView.getProjection().toPixels(geoPolyLine2, null);
    Point ptLine3=mapView.getProjection().toPixels(geoPolyLine3, null);
    Point ptLine4=mapView.getProjection().toPixels(geoPolyLine4, null);

    Path pathLine=new Path();
    pathLine.moveTo(ptLine1.x, ptLine1.y);
    pathLine.lineTo(ptLine2.x, ptLine2.y);
    pathLine.lineTo(ptLine3.x, ptLine3.y);
    pathLine.lineTo(ptLine4.x, ptLine4.y);

    Paint paintLine=new Paint();
    paintLine.setStyle(Style.STROKE);
    paintLine.setStrokeWidth(10);
    paintLine.setColor(Color.BLUE);
    paintLine.setAntiAlias(true);
    paintLine.setStrokeCap(Cap.ROUND);
    paintLine.setStrokeJoin(Join.ROUND);

    canvas.drawPath(pathLine, paintLine);
}