数据库存储、网络访问都必须放到异步请求中实现。

来源：互联网发布：淘宝网中年秋装连衣裙编辑：程序博客网时间：2024/05/04 03:02

mBaiduMap.setOnMapStatusChangeListener(new OnMapStatusChangeListener() {@Overridepublic void onMapStatusChangeStart(MapStatus arg0) {// TODO Auto-generated method stub}@Overridepublic void onMapStatusChangeFinish(MapStatus arg0) {// TODO Auto-generated method stubfloat zoom = mBaiduMap.getMapStatus().zoom;Log.e("zoom", String.valueOf(zoom));if (zoom < 11) {new Thread(new Runnable() {@Overridepublic void run() {// TODO Auto-generated method stubmBaiduMap.clear();try {List<Parent> citys = db.findAll(Selector.from(Parent.class).where("level", "=", 2));for (int i = 0; i < citys.size(); i++) {addProvince(new LatLng(citys.get(i).getLatitude(), citys.get(i).getLongitude()), 100);}} catch (DbException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}).start();;}if (zoom >= 11 && zoom < 13) {new Thread(new Runnable() {@Overridepublic void run() {// TODO Auto-generated method stubmBaiduMap.clear();try {List<Parent> countrys = db.findAll(Selector.from(Parent.class).where("level", "=",3));for (int i = 0; i < countrys.size(); i++) {addCountry(new LatLng(countrys.get(i).getLatitude(), countrys.get(i).getLongitude()), 50);}} catch (DbException e) {// TODO Auto-generated catch blocke.printStackTrace();}}}).start();} else if (zoom >= 13) {new Thread(new Runnable() {@Overridepublic void run() {// TODO Auto-generated method stubmBaiduMap.clear();for (int i = 0; i < 300; i++) {addPoint(new LatLng(30.2561160000 + Math.random(),120.1555860000 + Math.random()),1);}}}).start();}}@Overridepublic void onMapStatusChange(MapStatus arg0) {// TODO Auto-generated method stub}});}

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