我正在研究 Android 谷歌地图。我经过
http://csie-tw.blogspot.com/2009/06/android-driving-direction-route-path.html
如果距离超过 200 公里,我无法在两点之间绘制完整路径。如何在两点之间绘制完整路径?许可证是否有任何问题,如果有任何许可证问题,我该如何获得许可证。
谢谢
我正在研究 Android 谷歌地图。我经过
http://csie-tw.blogspot.com/2009/06/android-driving-direction-route-path.html
如果距离超过 200 公里,我无法在两点之间绘制完整路径。如何在两点之间绘制完整路径?许可证是否有任何问题,如果有任何许可证问题,我该如何获得许可证。
谢谢
我设法使用 Google map android API v2 在两点之间绘制了一条路径。我在那个链接上发布了它的解决方案。答案:使用 Google Maps Android API v2 在两点之间绘制路径
/** Called when the activity is first created. */
private List<Overlay> mapOverlays;
private Projection projection;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
linearLayout = (LinearLayout) findViewById(R.id.zoomview);
mapView = (MapView) findViewById(R.id.mapview);
mapView.setBuiltInZoomControls(true);
mapOverlays = mapView.getOverlays();
projection = mapView.getProjection();
mapOverlays.add(new MyOverlay());
}
@Override
protected boolean isRouteDisplayed() {
return false;
}
class MyOverlay extends Overlay{
public MyOverlay(){
}
public void draw(Canvas canvas, MapView mapv, boolean shadow){
super.draw(canvas, mapv, shadow);
Paint mPaint = new Paint();
mPaint.setDither(true);
mPaint.setColor(Color.RED);
mPaint.setStyle(Paint.Style.FILL_AND_STROKE);
mPaint.setStrokeJoin(Paint.Join.ROUND);
mPaint.setStrokeCap(Paint.Cap.ROUND);
mPaint.setStrokeWidth(2);
GeoPoint gP1 = new GeoPoint(19240000,-99120000);
GeoPoint gP2 = new GeoPoint(37423157, -122085008);
Point p1 = new Point();
Point p2 = new Point();
Path path = new Path();
Projection projection.toPixels(gP1, p1);
projection.toPixels(gP2, p2);
path.moveTo(p2.x, p2.y);
path.lineTo(p1.x,p1.y);
canvas.drawPath(path, mPaint);
}