今日总结（3.22 具体功能实现）

切换城市

package com.example.app_t;

import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;


public class MainActivity2 extends AppCompatActivity implements View.OnClickListener {

    Button Beijing,Shijiazhuang;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main2);
        GetControl();
    }

    //按钮进行监听
    @Override
    public void onClick(View view) {
        Intent intent = new Intent();
        switch (view.getId()) {
            case R.id.beijing:
                intent.putExtra("name", "beijing");
                break;
            case R.id.shijiazhuang:
                intent.putExtra("name", "shijiazhuang");
                break;
        }
        intent.setClass(MainActivity2.this, MainActivity.class);
        startActivity(intent);
    }



    private void GetControl() {
        Beijing=findViewById(R.id.beijing);
        Shijiazhuang=findViewById(R.id.shijiazhuang);
        Beijing.setOnClickListener(this);
        Shijiazhuang.setOnClickListener(this);
    }

}

线路站点查询

package com.example.app_t;

import static com.example.app_t.unilt.ChangeChineseutils.getchinese;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;

import com.example.app_t.Dao.RouteDao;
import com.example.app_t.pojo.Route;
import com.example.app_t.pojo.Site;

import java.util.List;
import java.util.Objects;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

public class MainActivity extends AppCompatActivity implements View.OnClickListener {

    TextView textView1, textView2;
    EditText editText1, editText2;
    Button button1, button2, button3, button4, button5;

    String name;

    String Chance;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        GetControl();

        Intent intent = getIntent();
        name = intent.getStringExtra("name");
        String Name = "城市地铁";
        switch (name) {
            case "beijing":
                Name = "北京地铁";
                Chance = "1";
                break;
            case "shijiazhuang":
                Name = "石家庄地铁";
                Chance = "2";
                break;
        }
        textView1.setText(Name);

    }

    private void GetControl() {
        textView1 = findViewById(R.id.textview1);
        textView2 = findViewById(R.id.textview2);
        editText1 = findViewById(R.id.editText1);
        editText2 = findViewById(R.id.editText2);
        button1 = findViewById(R.id.button1);
        button1.setOnClickListener(this);
        button2 = findViewById(R.id.button2);
        button2.setOnClickListener(this);
        button3 = findViewById(R.id.button3);
        button3.setOnClickListener(this);
        button4 = findViewById(R.id.button4);
        button4.setOnClickListener(this);
        button5 = findViewById(R.id.button5);
        button5.setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.button1:
                Intent intent1 = new Intent();
                intent1.setClass(this, MainActivity2.class);
                startActivity(intent1);
                break;
            case R.id.button2:

                String Route = String.valueOf(editText1.getText());
                try {
                    List<Site> sites = ByRoute(Route, Chance);

                    String str = "";

                    if (sites.size() != 0) {

                        for (int i = 0; i < sites.size(); i++) {

                            List<Route> routes = RouteByName(sites.get(i).getName(), Chance);
                            if (routes.size() != 0) {
                                str += "(换乘站)";
                            }
                            str += sites.get(i).getName() + "\n";
                        }
                    } else {
                        str += "没有查找到相关信息，请重新输入！！！";
                    }

                    textView2.setText(str);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                } catch (ExecutionException e) {
                    throw new RuntimeException(e);
                }
                break;
            case R.id.button3:

                String Name = String.valueOf(editText2.getText());
                try {

                    List<Site> sites = ByName(Name, Chance);

                    String str = "";

                    if (sites.size() != 0) {
                        List<Route> routes = RouteByName(sites.get(0).getName(), Chance);
                        if (routes.size() != 0) {
                            str += "(换乘站)" + "\n";
                        }
                        for (int i = 0; i < sites.size(); i++) {
                            str += getchinese(sites.get(i).getRoute2()) + "\n";
                        }
                    } else {
                        str += "没有查找到相关信息，请重新输入！！！";
                    }

                    textView2.setText(str);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                } catch (ExecutionException e) {
                    throw new RuntimeException(e);
                }

                break;
            case R.id.button4:
                Intent intent4 = new Intent();
                intent4.putExtra("name", name);
                intent4.setClass(this, MainActivity3.class);
                startActivity(intent4);
                break;
            case R.id.button5:
                Intent intent5 = new Intent();
                intent5.putExtra("name", name);
                intent5.setClass(this, MainActivity4.class);
                startActivity(intent5);
                break;
        }
    }


    private static ExecutorService mExecutor = Executors.newSingleThreadExecutor();


    public static List<Site> ByRoute(String Route, String Chance) throws InterruptedException, ExecutionException {
        Future<List<Site>> result2 = mExecutor.submit(new Callable<List<Site>>() {
            public List<Site> call() throws Exception {
                // TODO Auto-generated method stub
                return RouteDao.queryByRoute(Route, Chance);
            }
        });
        return result2.get();
    }

    public static List<Site> ByName(String Name, String Chance) throws InterruptedException, ExecutionException {
        Future<List<Site>> result2 = mExecutor.submit(new Callable<List<Site>>() {
            public List<Site> call() throws Exception {
                // TODO Auto-generated method stub
                return RouteDao.queryByName(Name, Chance);
            }
        });
        return result2.get();
    }

    public static List<Route> RouteByName(String Name, String Chance) throws InterruptedException, ExecutionException {
        Future<List<Route>> result2 = mExecutor.submit(new Callable<List<Route>>() {
            public List<Route> call() throws Exception {
                // TODO Auto-generated method stub
                return RouteDao.RouteByName(Name, Chance);
            }
        });
        return result2.get();
    }

}