关于百度地图的使用问题

需要设置
 .anchor(0.5f,0.5f)
Log.v("pcw","setMarker : lat : "+ lat+" lon : " + lon);
        //定义Maker坐标点
        LatLng point = new LatLng(lat, lon);
        //构建Marker图标
        BitmapDescriptor bitmap = BitmapDescriptorFactory
                .fromResource(R.drawable.timg);
        //构建MarkerOption，用于在地图上添加Marker
        // anchor(0.5f,0.5f) 用来设置经纬度旁边的Marker偏移问题
        OverlayOptions option = new MarkerOptions()
                .position(point)
                .anchor(0.5f,0.5f)
                .icon(bitmap);
        //在地图上添加Marker，并显示
        mBaiduMap.addOverlay(option);
		
	********************//修改已经添加上去的marker********************
		
		Marker marker= (Marker) mBaiduMap.addOverlay(option);
        mMarkers.add(marker);
		
		Marker marker = mMarkers.get(mMarkers.size()-2);
        Marker marker1 = mMarkers.get(mMarkers.size()-1);
		marker.setIcon(BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(),R.drawable.timg)));
        marker1.setIcon(BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(),R.drawable.zhinanzhen)));
        marker1.setRotate(190f);

　　后期如若遇到其他问题，会及时更新