public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = View.inflate(getContext(), R.layout.fragment1, null); //获取资源ID recyclerView = view.findViewById(R.id.recycleview); allprice = view.findViewById(R.id.allprice); quanxuan = view.findViewById(R.id.quanxuan); quanxuan.setOnClickListener(this); //得到p层 presenter = new Presenter(); presenter.attch(this); presenter.getModel(url); //布局管理器 LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getContext()); linearLayoutManager.setOrientation(LinearLayoutManager.VERTICAL); recyclerView.setLayoutManager(linearLayoutManager);
//通过表名，拿到或者创建表 DaoMaster.DevOpenHelper helper = new DaoMaster.DevOpenHelper(getContext(), "testDB"); //拿到一个可读写的数据库对象 SQLiteDatabase db = helper.getWritableDatabase(); //拿到greendao的master对象 DaoMaster daoMaster = new DaoMaster(db); //拿到session对象 DaoSession daoSession = daoMaster.newSession(); resuBeanDao = daoSession.getResuBeanDao(); //判断网络 networkConnected = NetWork.isNetworkConnected(getContext()); if (!networkConnected){ List<ResuBean> list = resuBeanDao.queryBuilder().build().list(); MyAdapter myAdapter = new MyAdapter(list,getContext()); recyclerView.setAdapter(myAdapter); } return view; } @Override public void Presenter(String data) { if (networkConnected){ Gson gson = new Gson(); Resu resu = gson.fromJson(data, Resu.class); myRecycleViewAdapter = new MyRecycleViewAdapter(resu,getContext()); recyclerView.setAdapter(myRecycleViewAdapter); for (int i = 0; i < resu.getResult().size(); i++) { ResuBean resuBean = new ResuBean(); resuBean.setCommodityId(resu.getResult().get(i).getCommodityId()); resuBean.setCommodityName(resu.getResult().get(i).getCommodityName()); resuBean.setCount(resu.getResult().get(i).getCount()); resuBean.setPic(resu.getResult().get(i).getPic()); resuBean.setPrice(resu.getResult().get(i).getPrice()); resuBeanDao.insertOrReplace(resuBean); } myRecycleViewAdapter.setListener(new MyRecycleViewAdapter.CallBack() { @Override public void callback(List<Resu.Result> list) { double totalPrice = 0; for (int i = 0; i < list.size(); i++) { if (list.get(i).isCheck){ String price = list.get(i).getPrice(); Double price1 = Double.valueOf(price); String count = list.get(i).getCount(); int numm = Integer.parseInt(count); totalPrice = totalPrice+price1*numm; } } allprice.setText("合计："+totalPrice); } }); } } //解绑 @Override public void onDestroy() { super.onDestroy(); presenter.detch(); } @Override public void onClick(View view) { switch (view.getId()){ case R.id.quanxuan: checkSeller(quanxuan.isChecked()); myRecycleViewAdapter.notifyDataSetChanged(); break; default: } } private void checkSeller(boolean b) { double totalPrie = 0; for (int i = 0; i < list.size(); i++) { list.get(i).setCheck(b); String price = list.get(i).getPrice(); Double price1 = Double.valueOf(price); String count = list.get(i).getCount(); int numm = Integer.parseInt(count); totalPrie = totalPrie+price1*numm; } if (b){ allprice.setText("合计:"+totalPrie); } }}
