10天冲刺第四天后端app开发

今天实现的就是在主界面进入分界面之后店铺数据的展示

主要就是进入店铺后详细食物的展现以及为了健康而设立的卡路里值

package cn.edu.neusoft.fooddemo.fragment;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.List;

import cn.edu.neusoft.fooddemo.R;
import cn.edu.neusoft.fooddemo.adapter.AllCommentAdapter;
import cn.edu.neusoft.fooddemo.bean.Food;
import cn.edu.neusoft.fooddemo.bean.Order;
import cn.edu.neusoft.fooddemo.util.Contants;
import cn.edu.neusoft.fooddemo.util.ListViewHeightUtil;

public class FoodDetailFragment extends BaseFragment {
    private int food_id,shop_id;
    private String phonenum,shopname;
    private TextView tv_name,tv_price,tv_phone;
    private ImageView iv_pic;
    private ImageButton btn_call,btn_back;
    private Button btn_collect,btn_buy;
    private boolean collect_flag=false;
    private ListView list;
    private Food food;
    protected View init(LayoutInflater inflater, final ViewGroup container,
                        Bundle savedInstanceState)
    {
        food_id=getArguments().getInt("food_id");
        phonenum=getArguments().getString("phonenum");
        shop_id=getArguments().getInt("shop_id");
        shopname=getArguments().getString("shopname");
        View view = inflater.inflate(R.layout.food_detail, container, false);
        list=(ListView)view.findViewById(R.id.list_comment);
        tv_name=(TextView)view.findViewById(R.id.food_name);
        tv_price=(TextView)view.findViewById(R.id.food_price);
        tv_phone=(TextView)view.findViewById(R.id.food_phone);
        iv_pic=(ImageView)view.findViewById(R.id.food_detail_image);
        btn_call=(ImageButton)view.findViewById(R.id.call);
        btn_back=(ImageButton)view.findViewById(R.id.food_back);
        btn_collect=(Button)view.findViewById(R.id.collect);
        btn_buy=(Button)view.findViewById(R.id.btn_buy);
        btn_call.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Uri uri = Uri.parse("tel:" + phonenum);
                Intent intent = new Intent(Intent.ACTION_VIEW, uri);
                if (getActivity().checkSelfPermission(Manifest.permission.CALL_PHONE) != PackageManager.PERMISSION_GRANTED) {
                    getActivity().startActivity(intent);
                    return;
                }
            }
        });
        btn_collect.setOnClickListener(new View.OnClickListener() {
                                           @Override
                                           public void onClick(View v) {
                                               String url = Contants.BASEURL + "userCollectFood.do?user_id="+user_id+"&food_id="+food_id;
                                               getJSONByVolley(url);
                                                   collect_flag=!collect_flag;
                                               if(collect_flag)
                                                   btn_collect.setBackgroundResource(R.drawable.xihuanhou);
                                               else
                                                   btn_collect.setBackgroundResource(R.drawable.xihuan);

                                           }
                                       });
        btn_buy.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Bundle bundle = new Bundle();
                bundle.putInt("food_id", food_id);
                OrderFragment orderFragment = new OrderFragment();
                changeFrament(orderFragment, bundle, "orderFragment");
            }
        });
        btn_back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(0==getArguments().getInt("flag"))//返回菜单列表
                {
                    Bundle bundle = new Bundle();
                    bundle.putInt("shop_id", shop_id);
                    bundle.putString("shopname", shopname);
                    FoodListFragment foodListFragment = new FoodListFragment();
                    changeFrament(foodListFragment, bundle, "foodListFragment");
                }else if(1==getArguments().getInt("flag"))//返回收藏
                {
                    CollectFragment collectFragment = new CollectFragment();
                    changeFrament(collectFragment, null, "collectFragment");
                }else//返回搜索
                {
                    SearchFragment searchFragment=new SearchFragment();
                    changeFrament(searchFragment,null,"searchFragment");
                }

            }
        });
        getJSONByVolley(Contants.BASEURL + "getFoodById.do?food_id=" + food_id);
        getJSONByVolley(Contants.BASEURL + "isCollected.do?flag=1&shop_food_id=" + food_id+"&user_id="+user_id);
        getJSONArrayByVolley(Contants.BASEURL + "getAllUserFoodOrder.do?food_id="+food_id);
        return view;
    }

    @Override
    protected void setJSONDataToView(String url,JSONObject data) {
        //读取菜单详细信息
        if(url.contains("getFoodById")) {
            Gson gson = new Gson();
             Food food = gson.fromJson(data.toString(), Food.class);
            tv_name.setText(food.getFoodname());
            tv_price.setText(food.getPrice() + "元");
            tv_phone.setText(phonenum);
            if(food.getPic()!=null&&!"".equals(food.getPic())){
                loadImageByVolley(food.getPic(), iv_pic);
            }
        }
        else if(url.contains("userCollectFood"))//修改菜谱收藏状态
        {
            if(collect_flag)
                getToast("收藏成功！");
            else
                getToast("取消收藏！");
        }
        else//读取是否收藏
        {
            try {
                String collected = data.getString("collected");
                if("1".equals(collected)) {
                    btn_collect.setBackgroundResource(R.drawable.xihuanhou);
                    collect_flag=true;
                }
                else {
                    btn_collect.setBackgroundResource(R.drawable.xihuan);
                    collect_flag=false;
                }
            }catch (JSONException e)
            {

            }
        }
    }

    @Override
    protected void setJSONArrayToView(JSONArray data) {
        Gson gson=new Gson();
        List<Order> comments= gson.fromJson(data.toString(),new TypeToken<List<Order>>(){}.getType());
        AllCommentAdapter adapter=new AllCommentAdapter(this.getActivity(),comments);
        list.setAdapter(adapter);
        ListViewHeightUtil.setListViewHeightBasedOnChildren(list);//动态设置高度
    }

}