How to get a picture of a custom layer and rotate it in ArcGis for Android

============ Problem Description ============

RT, in the Graphicslayer custom layer, there is a picture that can now get to the phone's rotation angle and then rotate that picture according to the angle. Now only remove the graphicslayer after the rotation of the image to add to the map, so it will be very incoherent, not up to Baidu map rotation effect, ask the great God how to solve?

============ Solution 1============

bitmapdrawable bd = new bitmapdrawable (Context.getresources (). Openrawresource (R.drawable.main_icon_nav));
Picturemarkersymbol Arrow_symbol = new Picturemarkersymbol (BD);
Arrow_symbol.setangle (bearing); Angle
Graphic GArrow = new Graphic (p, Arrow_symbol);
Mgraphicslayer.updategraphic (sUid, graphic);

How to get a picture of a custom layer and rotate it in ArcGis for Android