10天冲刺之app后端开发第5天

今天主要是吧收藏功能镶嵌在食物的展示中

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
    }

}

因为收藏功能在我们app占据了比较重要的功能