Android : how to share google map with drawing line to facebook from android

I wan't to share googlemap with drawing line like road to facebook, I Want To Use Action Walk also To Make Thing Like This In The Picture! http://i.imgur.com/f0wkey3.png

Any Help Please !!!

public void postToWall(String Name,String Link) {
    // post on user's wall.
    //
    Bundle parameters = new Bundle();
    parameters.putString("name",Name );
    parameters.putString("link",Link);
    //fitness.walks
    faceBookModel.Get_Facebook().dialog(this.context, "feed",parameters, new   DialogListener() {

        @Override
        public void onFacebookError(FacebookError e) {
            Toast.makeText(context, "Error"+e.getMessage(), Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onError(DialogError e) {
            Toast.makeText(context, "Error"+e.getMessage(), Toast.LENGTH_SHORT).show();

        }

        @Override
        public void onComplete(Bundle values) {
            Toast.makeText(context, "Sharing Success", Toast.LENGTH_SHORT).show();
        }

        @Override
        public void onCancel() {
        }
    });

}