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我已經得到了下面的代碼,它在指定的x/y屏幕座標上繪製了一個標記。像這樣......谷歌地圖,根據經緯度值繪製標記
public boolean draw(Canvas canvas, MapView mapView,
boolean shadow, long when)
{
super.draw(canvas, mapView, shadow);
//---translate the GeoPoint to screen pixels---
Point screenPts = new Point();
mapView.getProjection().toPixels(p, screenPts);
//---add the marker---
Bitmap bmp = BitmapFactory.decodeResource(
getResources(), R.drawable.marker);
canvas.drawBitmap(bmp, screenPts.x, screenPts.y-50, null);
System.out.println("X: " + screenPts.x + "Y: " + screenPts.y);
return true;
}
不過是那裏的API或繪製點已知的方法在任何基於緯度/經度?