I have the direction of movement and track points.

I build a route and I want to show the direction of movement. I try this (below code), but the marker rotates incorrectly. You do not know how this can be done?

public class RotableMarker extends Marker { private Boolean isBearingAvailable = Boolean.FALSE; private float bearing; public RotableMarker(LatLong latLong, Bitmap bitmap, int horizontalOffset, int verticalOffset, float b) { super(latLong, bitmap, horizontalOffset, verticalOffset); isBearingAvailable = Boolean.TRUE; bearing = b; } @Override public synchronized void draw(BoundingBox boundingBox, byte zoomLevel, Canvas canvas, Point topLeftPoint) { if (this.getLatLong() == null || this.getBitmap() == null || this.getBitmap().isDestroyed()) { return; } long mapSize = MercatorProjection.getMapSize(zoomLevel, this.displayModel.getTileSize()); double pixelX = MercatorProjection.longitudeToPixelX(this.getLatLong().longitude, mapSize); double pixelY = MercatorProjection.latitudeToPixelY(this.getLatLong().latitude, mapSize); int halfBitmapWidth = this.getBitmap().getWidth() / 2; int halfBitmapHeight = this.getBitmap().getHeight() / 2; int left = (int) (pixelX - topLeftPoint.x - halfBitmapWidth + this.getHorizontalOffset()); int top = (int) (pixelY - topLeftPoint.y - halfBitmapHeight + this.getVerticalOffset()); int right = left + this.getBitmap().getWidth(); int bottom = top + this.getBitmap().getHeight(); Rectangle bitmapRectangle = new Rectangle(left, top, right, bottom); Rectangle canvasRectangle = new Rectangle(0, 0, canvas.getWidth(), canvas.getHeight()); if(canvasRectangle.intersects(bitmapRectangle)) { // Rotate the marker based on bearing for example (or whatever angle you want) android.graphics.Canvas androidCanvas = AndroidGraphicFactory.getCanvas(canvas); androidCanvas.save(); float px = (right + left) / 2f; float py = (bottom + top) / 2f; androidCanvas.rotate(bearing, px, py); canvas.drawBitmap(this.getBitmap(), left, top); androidCanvas.restore(); } else { canvas.drawBitmap(this.getBitmap(), left, top); } } }

    0