android studio运行报下列错误

1.貌似有问题的代码
package com.example.coolweather;

import android.app.Fragment;
import android.app.ProgressDialog;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;

import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.example.coolweather.db.City;
import com.example.coolweather.db.County;
import com.example.coolweather.db.Province;
import com.example.coolweather.util.HttpUtil;
import com.example.coolweather.util.Utility;

import org.litepal.crud.DataSupport;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.Response;

/**

  • Created by Airth on 2019/5/10.
    */
    public class ChooseAreaFragment extends Fragment {

    public static final int LEVEL_PROVINCE=0;
    public static final int LEVEL_CITY=1;
    public static final int LEVEL_COUNTY=2;

    private ProgressDialog progressDialog;

    private TextView titleText;

    private Button backButton;

    private ListView listView;

    private ArrayAdapter adapter;

    private List dataList = new ArrayList<>();

    private int currentLevel; //当前被选中的级别
    private Province selectedProvince;//被选中的省份
    private City selectedCity;//被选中的城市

    private List provinceList;//省列表
    private List cityList;//市列表
    private List countyList ;//县列表

    /*获取控件实例id*/
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container,
    @Nullable Bundle savedInstanceState) {
    Log.d("ChooseAreaFragment","onCreateView");
    View view = inflater.inflate(R.layout.choose_area,container,false);
    titleText = (TextView)view.findViewById(R.id.title_text); //获取标题栏文本id
    backButton = (Button) view.findViewById(R.id.back_button); //获取标题栏id
    listView = (ListView)view.findViewById(R.id.list_view); //获取Item列表id
    //获取ArrayAdapter对象
    adapter =new ArrayAdapter<>(getContext(), android.R.layout.simple_list_item_1, dataList);
    listView.setAdapter(adapter);//设置并初始化适配器
    return view;//将视图返回
    }

    /*点击事件集合*/
    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
    Log.d("ChooseAreaFragment","onActivityCreated");
    super.onActivityCreated(savedInstanceState);
    //列表任意一栏被点击,则...
    listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
    @Override
    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
    Log.d("ChooseAreaFragment","列表被点了的...");
    if (currentLevel == LEVEL_PROVINCE){ //当前选中的级别为省份时
    selectedProvince = provinceList.get(position); //当前点击为选中状态
    queryCities();//查询市的方法
    }
    else if (currentLevel == LEVEL_CITY){
    selectedCity = cityList.get(position);
    queryCounties();
    }
    }
    });
    backButton.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
    if (currentLevel == LEVEL_COUNTY){
    queryCities();
    }
    else if (currentLevel == LEVEL_CITY){
    queryProvinces();
    }
    }
    });
    queryProvinces();
    }
    private void queryCities() {
    titleText.setText(selectedProvince.getProvinceName()); //设置市的标题内容
    backButton.setVisibility(View.VISIBLE); //设置返回按钮可见
    //查询被选中的省份城市的市区
    cityList = DataSupport.where("provinceid=?",String.valueOf(selectedProvince.
    getId())).find(City.class);
    Log.d("ChooseAreaFragment","市级");
    if (cityList.size()>0){ //如果省列表不为空,则...
    dataList.clear();
    for (City city:cityList){ //遍历每一份省的市级城市
    dataList.add(city.getCityName()); //添加到数据列表中
    }
    adapter.notifyDataSetChanged();//通知适配器数据更新了
    listView.setSelection(0);
    currentLevel = LEVEL_CITY;
    }
    else{
    int provinceCode = selectedProvince.getProvinceCode(); //获取被选取省级代码
    String address = "http://guolin.tech/api/china/"+provinceCode;//获取被选取地区的网络地址
    Log.d("ChooseAreaFragment","准备在网络中获取地址信息");
    queryFromServer(address,"city"); // 在网络中查询
    }
    }
    /*根据传入的地址和类型从服务器查询省市县数据*/
    private void queryFromServer(String adress, final String type) {
    showProgressDialog();
    // 发送一条网络请求
    HttpUtil.sendOKHttpRequest(adress, new Callback() {
    //请求加载失败
    @Override
    public void onFailure(Call call, IOException e) {
    //通过runOnUiThread方法回到主线程逻辑
    getActivity().runOnUiThread(new Runnable() {
    @Override
    public void run() {
    closeProgressDialog();
    Toast.makeText(getContext(),"加载失败",Toast.LENGTH_SHORT).show();
    }
    });
    }

        @Override
        public void onResponse(Call call, Response response) throws IOException {
            Log.d("ChooseAreaFragment","加载地区信息...");
            String responseText = response.body().string();
            boolean result = false;
            if ("province".equals(type)){
                result = Utility.handleProvinceResponse(responseText);
            }
            else if ("city".equals(type)){
                result = Utility.handleCityResponse(responseText,selectedProvince.getId());
            }
            else if ("county".equals(type)){
                result = Utility.handleCountyResponse(responseText, selectedCity.getId());
            }
            if (result)
            {
                getActivity().runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        Log.d("ChooseAreaFragment","开启线程更新UI");
                        closeProgressDialog();
                        if ("province".equals(type)){
                            queryProvinces();
                        }
                        else if ("city".equals(type)){
                            queryCities();
                        }
                        else if ("county".equals(type)){
                            queryCounties();
                        }
                    }
                });
            }
    
            if ("city".equals(type)){
                result = Utility.handleProvinceResponse(responseText);
            }
            if ("county".equals(type)){
                result = Utility.handleProvinceResponse(responseText);
            }
    
        }
    });
    

    }

    /*显示进度对话框*/
    private void showProgressDialog() {
    if (progressDialog==null){
    progressDialog = new ProgressDialog(getActivity());
    progressDialog.setMessage("正在加载...");
    progressDialog.setCanceledOnTouchOutside(false);

    }
    progressDialog.show();
    

    }

    private void queryCounties() {
    titleText.setText(selectedCity.getCityName());
    backButton.setVisibility(View.VISIBLE);
    countyList = DataSupport.where("cityid = ?", String.valueOf(selectedCity.getId())).find(County.class);
    if (countyList.size()>0){
    dataList.clear();
    for (County county:countyList){
    dataList.add(county.getCountyName());
    }
    adapter.notifyDataSetChanged();
    listView.setSelection(0);
    currentLevel=LEVEL_COUNTY;
    }
    else {
    int provinceCode = selectedProvince.getProvinceCode();
    int cityCode = selectedCity.getCityCode();
    String address = "http://guolin.tech/api/china/"+provinceCode+"/"+cityCode;
    queryFromServer(address,"county");
    }
    }

    /*全国所有的省,优先查询数据库,如果没有再去服务器查询*/
    private void queryProvinces() {
    titleText.setText("中国");
    Log.d("ChooseAreaFragment","查询省中...");
    backButton.setVisibility(View.GONE);
    provinceList = DataSupport.findAll(Province.class);
    if (provinceList.size()>0){
    dataList.clear();
    for (Province province:provinceList){
    dataList.add(province.getProvinceName());
    }
    adapter.notifyDataSetChanged();
    listView.setSelection(0);
    currentLevel = LEVEL_PROVINCE;
    }
    else {
    Log.d("ChooseAreaFragment","服务器查询省中...");
    String address = "http://guolin.tech/api/china";
    queryFromServer(address,"province");
    }
    }
    private void closeProgressDialog() {
    if (progressDialog!=null){
    progressDialog.dismiss();
    }
    }
    }
    2.这是报错日志
    图片说明

1个回答

`` $("#province").change(function(){ is = $("#province option:selected").val();//

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