团队项目-第一阶段冲刺-day13冲刺成果

　　　　完成了大部分的功能除了刷新，备忘录的listview显示不出来，没有做单个item的点击事件。

　　项目结构：

 

各个文件及作用：

BeiWangLu.java:负责添加备忘录的页面

package com.example.teamproject;

import android.annotation.SuppressLint;
import android.app.DatePickerDialog;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;

import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import java.sql.SQLException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.List;


/**
 * A simple {@link Fragment} subclass.
 * Use the {@link BeiWangLu#newInstance} factory method to
 * create an instance of this fragment.
 */
public class BeiWangLu extends Fragment {
    private ListView listView;
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;



    public BeiWangLu() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment BeiWangLu.
     */
    // TODO: Rename and change types and number of parameters
    public static BeiWangLu newInstance(String param1, String param2) {
        BeiWangLu fragment = new BeiWangLu();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }
    @SuppressLint("HandlerLeak")
    private Handler handler = new Handler(){
        @Override
        public void handleMessage(Message msg) {

            switch (msg.what){
                case 01:
                    List<BwlBean> list2= (List<BwlBean>) msg.obj;
                    Log.d("list","长度"+list2.size());
                    listView.setAdapter(new BwlAdapter(getContext(),list2));
                    break;
            }

        }
    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view= inflater.inflate(R.layout.fragment_bei_wang_lu, container, false);
        listView=view.findViewById(R.id.lv_bwl);
        new Thread(new Runnable() {
            @Override
            public void run() {
                Message message = handler.obtainMessage();
                List<BwlBean> list=Dao.QueryBwl("jack");
                Log.d("listu","长度"+list.size());
                if(list!=null){
                    message.what=01;
                    message.obj=list;
                }
                handler.sendMessage(message);
            }
        }).start();
        return view;
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        final TextView datepicker;
        final EditText et_name,et_addr,et_people;
        Button bt_confirm;
        datepicker=getView().findViewById(R.id.datepicker);
        et_addr=getView().findViewById(R.id.et_addr);
        et_name=getView().findViewById(R.id.et_name);
        et_people=getView().findViewById(R.id.et_people);
        bt_confirm=getView().findViewById(R.id.button);

        bt_confirm.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
//                Toast.makeText(getContext(),"添加",Toast.LENGTH_SHORT).show();
                    new Thread(new Runnable() {

                        @Override
                        public void run() {
                            String name="jack";
                            String thing=et_name.getText().toString().trim();
                            String addr=et_addr.getText().toString().trim();
                            String date1=datepicker.getText().toString();
                            String people=et_people.getText().toString().trim();
                            BwlBean bwl=new BwlBean();
                            bwl.setTime(date1);
                            bwl.setThing(thing);
                            bwl.setPeople(people);
                            bwl.setName(name);
                            bwl.setAddress(addr);
                            try {
                                boolean i=Dao.insertBeiWangLu(bwl);
                                if(i){
                                    Looper.prepare();
                                    Toast.makeText(getContext(),"添加成功",Toast.LENGTH_SHORT).show();
                                    Looper.loop();
                                }else{
                                    Looper.prepare();
                                    Toast.makeText(getContext(),"添加成功",Toast.LENGTH_SHORT).show();
                                    Looper.loop();
                                }
                            } catch (SQLException e) {
                                e.printStackTrace();
                            }
                        }
                    }).start();
            }
        });

        final DatePickerDialog.OnDateSetListener mDateSetListener = new DatePickerDialog.OnDateSetListener() {
            @Override
            public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                Log.d("DatePcker", "onDateSet: date: " + year + "/" + month + "/" + dayOfMonth);
                int rm = month + 1;
                datepicker.setText(year + "/" + rm + "/" + dayOfMonth);
            }
        };

        datepicker.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Calendar cal=Calendar.getInstance();
                int year=cal.get(Calendar.YEAR);
                int month=cal.get(Calendar.MONTH);
                int day=cal.get(Calendar.DAY_OF_MONTH);
                DatePickerDialog dialog=new DatePickerDialog(
                        getContext(),
                        android.R.style.Theme_Dialog,
                        mDateSetListener,
                        year,month,day
                );
                dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
                dialog.show();
            }
        });
    }
}

BwlAdapater.java：用于展示备忘录listview的适配器

package com.example.teamproject;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import java.util.List;

/**
 * Created by lenovo on 2020/4/27.
 */
public class BwlAdapter extends BaseAdapter {
    private List<BwlBean> bwlBeanList;
    private Context bcontext;
    private LayoutInflater layoutInflater;
    public BwlAdapter(Context context,List<BwlBean> list){
        bcontext=context;
        bwlBeanList=list;
        layoutInflater=LayoutInflater.from(context);
    }
    @Override
    public int getCount() {
        return 0;
    }

    @Override
    public Object getItem(int position) {
        return bwlBeanList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        viewHolder vh;
        if(convertView==null){
            vh=new viewHolder();
            convertView=layoutInflater.inflate(R.layout.item2,null);
            vh.tv_time=convertView.findViewById(R.id.tv_time);
            vh.tv_addr=convertView.findViewById(R.id.tv_addr);
            vh.tv_people=convertView.findViewById(R.id.tv_people);
            vh.tv_thing=convertView.findViewById(R.id.tv_thing);
            convertView.setTag(vh);
    }else{
            vh= (viewHolder) convertView.getTag();
        }
        BwlBean bwl=bwlBeanList.get(position);
        vh.tv_thing.setText("事件内容"+bwl.getThing());
        vh.tv_people.setText("事件参与人员"+bwl.getPeople());
        vh.tv_addr.setText("事件地点"+bwl.getAddress());
        vh.tv_time.setText("事件时间"+bwl.getTime());
        return convertView;
    }

    private static class viewHolder{
        public TextView tv_time,tv_people,tv_thing,tv_addr;
    }
}

BwlBean.java:备忘录的数据模型，get，set方法等

package com.example.teamproject;

import java.util.Date;

/**
 * Created by lenovo on 2020/4/22.
 */
public class BwlBean {
    private String name;//用户姓名

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    private String time;//备忘录的时间
    private String thing;//备忘录的事件
    private String people;//备忘录的参与人员
    private int  bid;//备忘录id

    @Override
    public String toString() {
        return "BwlBean{" +
                "name='" + name + '\'' +
                ", time='" + time + '\'' +
                ", thing='" + thing + '\'' +
                ", people='" + people + '\'' +
                ", bid=" + bid +
                ", address='" + address + '\'' +
                '}';
    }

    public String getTime() {
        return time;
    }

    public void setTime(String time) {
        this.time = time;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    private String address;//时间的地点



    public String getThing() {
        return thing;
    }

    public void setThing(String thing) {
        this.thing = thing;
    }

    public String getPeople() {
        return people;
    }

    public void setPeople(String people) {
        this.people = people;
    }

    public int getBid() {
        return bid;
    }

    public void setBid(int bid) {
        this.bid = bid;
    }

}

Dao.java：对数据库操作的方法的类

package com.example.teamproject;

import java.util.Date;

/**
 * Created by lenovo on 2020/4/22.
 */
public class BwlBean {
    private String name;//用户姓名

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    private String time;//备忘录的时间
    private String thing;//备忘录的事件
    private String people;//备忘录的参与人员
    private int  bid;//备忘录id

    @Override
    public String toString() {
        return "BwlBean{" +
                "name='" + name + '\'' +
                ", time='" + time + '\'' +
                ", thing='" + thing + '\'' +
                ", people='" + people + '\'' +
                ", bid=" + bid +
                ", address='" + address + '\'' +
                '}';
    }

    public String getTime() {
        return time;
    }

    public void setTime(String time) {
        this.time = time;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    private String address;//时间的地点



    public String getThing() {
        return thing;
    }

    public void setThing(String thing) {
        this.thing = thing;
    }

    public String getPeople() {
        return people;
    }

    public void setPeople(String people) {
        this.people = people;
    }

    public int getBid() {
        return bid;
    }

    public void setBid(int bid) {
        this.bid = bid;
    }

}

DBUtils.java：数据库的连接以及相关资源的关闭

package com.example.teamproject;

import android.util.Log;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import android.content.Context;
import android.util.Log;
import android.widget.Toast;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.HashMap;

/**
 * 数据库工具类：连接数据库用、获取数据库数据用
 * 相关操作数据库的方法均可写在该类
 */
public class DBUtils {

    private static String driver = "com.mysql.jdbc.Driver";// MySql驱动


    private static String user = "root";// 用户名

    private static String password = "root";// 密码

    public static Connection getConn(){

        Connection connection = null;
        try{
            Class.forName(driver);// 动态加载类
            String ip = "192.168.56.1";// 写成本机地址，不能写成localhost，同时手机和电脑连接的网络必须是同一个

            // 尝试建立到给定数据库URL的连接
            connection = DriverManager.getConnection("jdbc:mysql://" + ip + ":3306/" + "team",
                    user, password);

        }catch (Exception e){
            e.printStackTrace();
        }

        return connection;
    }

    public static void closeAll(Connection conn, PreparedStatement ps){
        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if (ps != null) {
            try {
                ps.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }

    }

    public static void closeAll(Connection conn, PreparedStatement ps, ResultSet rs){
        if (conn != null) {
            try {
                conn.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if (ps != null) {
            try {
                ps.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
        if (rs != null) {
            try {
                rs.close();
            } catch (SQLException e) {
                e.printStackTrace();
            }
        }
    }

}

FaBu.java:添加社区信息

package com.example.teamproject;

import android.os.Bundle;

import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;

import android.os.Looper;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import java.sql.SQLException;
import java.text.DateFormat;
import java.util.Date;


/**
 * A simple {@link Fragment} subclass.
 * Use the {@link FaBu#newInstance} factory method to
 * create an instance of this fragment.
 */
public class FaBu extends Fragment {
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    public FaBu() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment FaBu.
     */
    // TODO: Rename and change types and number of parameters
    public static FaBu newInstance(String param1, String param2) {
        FaBu fragment = new FaBu();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_fa_bu, container, false);
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        final EditText et_content=getView().findViewById(R.id.et_content);
        Button bt_fabu=getView().findViewById(R.id.bt_fabu);
        final EditText et_title=getView().findViewById(R.id.et_title);
        bt_fabu.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                new Thread(new Runnable() {

                    @Override
                    public void run() {
                        String content=et_content.getText().toString();
                        String name="jack";
                        String date= DateFormat.getDateInstance(DateFormat.DEFAULT).format(new Date());
                        int like=0;
                        String title=et_title.getText().toString().trim();
                        SqBean sq=new SqBean();
                        sq.setTitle(title);
                        sq.setName(name);
                        sq.setLike(like);
                        sq.setContent(content);
                        sq.setTime(date);
                        try {
                            boolean i=Dao.insertSheQu(sq);
                            if(i){
                                Looper.prepare();
                                Toast.makeText(getContext(),"添加成功",Toast.LENGTH_SHORT).show();
                                Looper.loop();
                            }else{
                                Looper.prepare();
                                Toast.makeText(getContext(),"添加成功",Toast.LENGTH_SHORT).show();
                                Looper.loop();
                            }
                        } catch (SQLException e) {
                            e.printStackTrace();
                        }
                    }
                }).start();

            }
        });
        super.onActivityCreated(savedInstanceState);
    }
}

JuTi.java：点击某一个具体的社区item显示详细内容（未完成）

package com.example.teamproject;

import android.os.Bundle;

import androidx.fragment.app.Fragment;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;


/**
 * A simple {@link Fragment} subclass.
 * Use the {@link JuTi#newInstance} factory method to
 * create an instance of this fragment.
 */
public class JuTi extends Fragment {
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    public JuTi() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment JuTi.
     */
    // TODO: Rename and change types and number of parameters
    public static JuTi newInstance(String param1, String param2) {
        JuTi fragment = new JuTi();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_ju_ti, container, false);
    }
}

MainAcivity.java：主活动

package com.example.teamproject;

import androidx.appcompat.app.AppCompatActivity;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.AppBarConfiguration;
import androidx.navigation.ui.NavigationUI;

import android.os.Bundle;
import android.text.Html;
import android.widget.TextView;

import com.google.android.material.bottomnavigation.BottomNavigationView;

import java.util.Calendar;

public class MainActivity extends AppCompatActivity {

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

        BottomNavigationView bottomNavigationView=findViewById(R.id.bottomNavigationView);
        NavController navController= Navigation.findNavController(this,R.id.fragment);
        AppBarConfiguration appBarConfiguration=new AppBarConfiguration.Builder(bottomNavigationView.getMenu()).build();
        NavigationUI.setupActionBarWithNavController(this,navController,appBarConfiguration);
        NavigationUI.setupWithNavController(bottomNavigationView,navController);



    }

    @Override
    public boolean onSupportNavigateUp() {
//        return super.onSupportNavigateUp();
        NavController controller=Navigation.findNavController(this,R.id.fragment);
        return controller.navigateUp();
    }
}

RiLi.java:日历界面

package com.example.teamproject;

import android.annotation.SuppressLint;
import android.os.Bundle;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;

import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.text.Html;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;

/**
 * A simple {@link Fragment} subclass.
 * Use the {@link RiLi#newInstance} factory method to
 * create an instance of this fragment.
 */
public class RiLi extends Fragment {

//    final Handler mHandler = new Handler();
//    private Thread mUiThread;
    // ...

    private ListView lv_beiwanglu;
    private TextView tv_countdown;
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;



    public RiLi() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment RiLi.
     */
    // TODO: Rename and change types and number of parameters
    public static RiLi newInstance(String param1, String param2) {
        RiLi fragment = new RiLi();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

//    @SuppressLint("HandlerLeak")
//    private Handler handler=new Handler(){
//        @Override
//        public void handleMessage(@NonNull Message msg) {
//            if(msg.what==01){
////                List<BwlBean> lis= (List<BwlBean>) msg.obj;
//                List<BwlBean> lis=new ArrayList<BwlBean>();
//                for( int i=0;i<6;i++){
//                    BwlBean bwl=new BwlBean();
//                    bwl.setAddress("gg");
//                    bwl.setPeople("ss");
//                    bwl.setThing("ssss");
//                    bwl.setTime("sss");
//                    lis.add(bwl);
//                }
//                lv_beiwanglu.setAdapter(new BwlAdapter(getContext(),lis));
//            }
//            super.handleMessage(msg);
//        }
//    };
@SuppressLint("HandlerLeak")
private Handler handler = new Handler(){
    @Override
    public void handleMessage(Message msg) {

        switch (msg.what){
            case 01:
                List<BwlBean> list2= (List<BwlBean>) msg.obj;
                lv_beiwanglu.setAdapter(new BwlAdapter(getContext(),list2));
                break;
        }

    }
};
    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        ImageView iv_add;
        final TextView tv_sentence;
        TextView tv_countdown;
        tv_countdown=getView().findViewById(R.id.tv_countdown);
        long day=getTime();
        tv_countdown.setText((Html.fromHtml("2021届考研倒计时"+"<br/>"+"<font color='#FF0000' ><big><strong>"+day+"</font></big></strong>"+"天")));
        tv_sentence=getView().findViewById(R.id.tv_sentence);
        new Thread(new Runnable() {

            @Override
            public void run() {
                String sentence =Dao.getRandomSentence().getSentence();
                if(sentence!=null){
                    tv_sentence.setText(sentence);
                }

            }
        }).start();
        iv_add=getView().findViewById(R.id.iv_add);
        iv_add.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                NavController controller= Navigation.findNavController(v);
                controller.navigate(R.id.action_RiLi_to_beiWangLu);
            }
        });
    }

//    private void runOnUiThread(Runnable action) {
//        if (Thread.currentThread() != mUiThread) {
//            mHandler.post(action);
//        } else {
//            action.run();
//        }
//    }


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {

        // Inflate the layout for this fragment
        View view=inflater.inflate(R.layout.fragment_ri_li, container, false);
        lv_beiwanglu=view.findViewById(R.id.lv_bwl);
        new Thread(new Runnable() {
            @Override
            public void run() {
                Message message = handler.obtainMessage();
                List<BwlBean> list=Dao.QueryBwl("jack");
                if(list!=null){
                    message.what=01;
                    message.obj=list;
                }
                handler.sendMessage(message);

            }
        }).start();

                return view;
    }

    public long getTime(){

        long end=1608307200000l;//2020-2-19时间戳以毫秒为单位
        Calendar calendar = Calendar.getInstance();// 获取当前日期
        calendar.set(Calendar.MINUTE, 0);
        calendar.set(Calendar.SECOND, 0);
        long start = calendar.getTimeInMillis();//获取当前时间戳以毫秒为单位
        long between = end - start;
        long day = between / (24 * 60 * 60 * 1000);//计算时间差天数
        long hour = (between / (60 * 60 * 1000) - day * 24);
        long min = ((between / (60 * 1000)) - day * 24 * 60 - hour * 60);
        long s = (between / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
        long ms = (between - day * 24 * 60 * 60 * 1000 - hour * 60 * 60 * 1000
                - min * 60 * 1000 - s * 1000);
        day=day+1;
        return day;
    }
}

SentenceBean.java:考研加油语句的数据模型

package com.example.teamproject;

/**
 * Created by lenovo on 2020/4/25.
 */
public class SentenceBean {
    private String sentence;

    @Override
    public String toString() {
        return "SentenceBean{" +
                "sentence='" + sentence + '\'' +
                '}';
    }

    public String getSentence() {
        return sentence;
    }

    public void setSentence(String sentence) {
        this.sentence = sentence;
    }
}

SheQu.java：社区界面

package com.example.teamproject;

import android.annotation.SuppressLint;
import android.os.Bundle;

import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;

import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ListView;

import java.util.List;


/**
 * A simple {@link Fragment} subclass.
 * Use the {@link SheQu#newInstance} factory method to
 * create an instance of this fragment.
 */
public class SheQu extends Fragment {
    private ListView listView;
    // TODO: Rename parameter arguments, choose names that match
    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
    private static final String ARG_PARAM1 = "param1";
    private static final String ARG_PARAM2 = "param2";

    // TODO: Rename and change types of parameters
    private String mParam1;
    private String mParam2;

    public SheQu() {
        // Required empty public constructor
    }

    /**
     * Use this factory method to create a new instance of
     * this fragment using the provided parameters.
     *
     * @param param1 Parameter 1.
     * @param param2 Parameter 2.
     * @return A new instance of fragment SheQu.
     */
    // TODO: Rename and change types and number of parameters
    public static SheQu newInstance(String param1, String param2) {
        SheQu fragment = new SheQu();
        Bundle args = new Bundle();
        args.putString(ARG_PARAM1, param1);
        args.putString(ARG_PARAM2, param2);
        fragment.setArguments(args);
        return fragment;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getArguments() != null) {
            mParam1 = getArguments().getString(ARG_PARAM1);
            mParam2 = getArguments().getString(ARG_PARAM2);
        }
    }

    @SuppressLint("HandlerLeak")
    private Handler handler = new Handler(){
        @Override
        public void handleMessage(Message msg) {

            switch (msg.what){
                case 01:
                    List<SqBean> list2= (List<SqBean>) msg.obj;
                    Log.d("list","长度"+list2.size());
                    listView.setAdapter(new SheQuAdapter(getContext(),list2));
                    break;
            }

        }
    };

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view=inflater.inflate(R.layout.fragment_she_qu, container, false);
        listView=view.findViewById(R.id.lv_shequ);
        new Thread(new Runnable() {
            @Override
            public void run() {
                Message message = handler.obtainMessage();
                List<SqBean> list=Dao.QuerySq();
                Log.d("listy","长度"+list.size());
                if(list!=null){
                    message.what=01;
                    message.obj=list;
                }
                handler.sendMessage(message);
            }
        }).start();

    return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        ImageView iv_addSheQu=getView().findViewById(R.id.iv_addShequ);
        listView=getView().findViewById(R.id.lv_shequ);
        iv_addSheQu.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                NavController controller= Navigation.findNavController(v);
                controller.navigate(R.id.action_Shequ_to_faBu2);
            }
        });
    }
}

SheQuAdapter.java：对社区listview的适配器

package com.example.teamproject;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.List;

/**
 * Created by lenovo on 2020/4/27.
 */
public class SheQuAdapter extends BaseAdapter {
    private List<SqBean> sqBeanList;
    private Context bcontext;
    private LayoutInflater layoutInflater;
    public SheQuAdapter(Context context,List<SqBean> list){
        bcontext=context;
        sqBeanList=list;
        layoutInflater=LayoutInflater.from(context);
    }
    @Override
    public int getCount() {
        return sqBeanList.size();
    }

    @Override
    public Object getItem(int position) {
        return sqBeanList.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ViewHolder viewHolder;
        if(convertView==null){
            viewHolder=new ViewHolder();
            convertView=layoutInflater.inflate(R.layout.item,null);
            viewHolder.likebutton=convertView.findViewById(R.id.likebutton);
            viewHolder.tv_content=convertView.findViewById(R.id.content);
            viewHolder.tv_like=convertView.findViewById(R.id.like);
            viewHolder.tv_titile=convertView.findViewById(R.id.title);
            viewHolder.tv_name=convertView.findViewById(R.id.name);
            convertView.setTag(viewHolder);

        }else{
            viewHolder= (ViewHolder) convertView.getTag();
        }
        SqBean bean= sqBeanList.get(position);
        viewHolder.tv_name.setText(bean.getName());
        viewHolder.tv_titile.setText(bean.getTitle());
        viewHolder.tv_like.setText("赞:"+bean.getLike());
        viewHolder.tv_content.setText(bean.getContent());
        return convertView;
    }

    public static class ViewHolder{
        public TextView tv_name,tv_titile,tv_content,tv_like;
        public ImageView likebutton;
    }
}

SqBean.java：社区信息的数据模型，get，set方法

package com.example.teamproject;

import java.util.Date;

/**
 * Created by lenovo on 2020/4/22.
 */
public class SqBean {

    private String name;//社区文档内容发布者
    private String title;//文档的标题
    private String content;//文档的内容
    private int like;//文档的喜欢数量
    private String time;//文档发布的时间
    private int id;//文档的id
    public String getName() {
        return name;
    }

    public String getTitle() {
        return title;
    }


    public String getContent() {
        return content;
    }

    public int getLike() {
        return like;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public void setLike(int like) {
        this.like = like;
    }

    public String getTime() {
        return time;
    }

    public void setTime(String time) {
        this.time = time;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    @Override
    public String toString() {
        return "SqBean{" +
                "name='" + name + '\'' +
                ", title='" + title + '\'' +
                ", content='" + content + '\'' +
                ", like=" + like +
                ", time=" + time +
                '}';
    }
}

我的，院校，自习界面只是三个简单的界面。

drawable文件：

ic_add.xml:

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/>
</vector>

ic_like.xml:

<vector android:height="24dp" android:tint="#CF1011"
    android:viewportHeight="24.0" android:viewportWidth="24.0"
    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
    <path android:fillColor="#FF000000" android:pathData="M12,21.35l-1.45,-1.32C5.4,15.36 2,12.28 2,8.5 2,5.42 4.42,3 7.5,3c1.74,0 3.41,0.81 4.5,2.09C13.09,3.81 14.76,3 16.5,3 19.58,3 22,5.42 22,8.5c0,3.78 -3.4,6.86 -8.55,11.54L12,21.35z"/>
</vector>

ic_rili.xml:

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M16.53,11.06L15.47,10l-4.88,4.88 -2.12,-2.12 -1.06,1.06L10.59,17l5.94,-5.94zM19,3h-1L18,1h-2v2L8,3L8,1L6,1v2L5,3c-1.11,0 -1.99,0.9 -1.99,2L3,19c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2zM19,19L5,19L5,8h14v11z"/>
</vector>

ic_shequ.xml:

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M20,2L4,2c-1.1,0 -1.99,0.9 -1.99,2L2,22l4,-4h14c1.1,0 2,-0.9 2,-2L22,4c0,-1.1 -0.9,-2 -2,-2zM8,14L6,14v-2h2v2zM8,11L6,11L6,9h2v2zM8,8L6,8L6,6h2v2zM15,14h-5v-2h5v2zM18,11h-8L10,9h8v2zM18,8h-8L10,6h8v2z"/>
</vector>

ic_unlike.xml

<vector android:height="24dp" android:tint="#040000"
    android:viewportHeight="24.0" android:viewportWidth="24.0"
    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
    <path android:fillColor="#FF000000" android:pathData="M12,21.35l-1.45,-1.32C5.4,15.36 2,12.28 2,8.5 2,5.42 4.42,3 7.5,3c1.74,0 3.41,0.81 4.5,2.09C13.09,3.81 14.76,3 16.5,3 19.58,3 22,5.42 22,8.5c0,3.78 -3.4,6.86 -8.55,11.54L12,21.35z"/>
</vector>

ic_wode.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M12,12c2.21,0 4,-1.79 4,-4s-1.79,-4 -4,-4 -4,1.79 -4,4 1.79,4 4,4zM12,14c-2.67,0 -8,1.34 -8,4v2h16v-2c0,-2.66 -5.33,-4 -8,-4z"/>
</vector>

ic_yuanxiao.xml

　

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M4,10v7h3v-7L4,10zM10,10v7h3v-7h-3zM2,22h19v-3L2,19v3zM16,10v7h3v-7h-3zM11.5,1L2,6v2h19L21,6l-9.5,-5z"/>
</vector>

ic_zixi.cml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
        android:width="24dp"
        android:height="24dp"
        android:viewportWidth="24.0"
        android:viewportHeight="24.0">
    <path
        android:fillColor="#FF000000"
        android:pathData="M17,10L7,10v2h10v-2zM19,3h-1L18,1h-2v2L8,3L8,1L6,1v2L5,3c-1.11,0 -1.99,0.9 -1.99,2L3,19c0,1.1 0.89,2 2,2h14c1.1,0 2,-0.9 2,-2L21,5c0,-1.1 -0.9,-2 -2,-2zM19,19L5,19L5,8h14v11zM14,14L7,14v2h7v-2z"/>
</vector>

布局文件：

activity_main.xml:

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <com.google.android.material.bottomnavigation.BottomNavigationView
        android:id="@+id/bottomNavigationView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="1.0"
        app:menu="@menu/menu" />

    <fragment
        android:id="@+id/fragment"
        android:name="androidx.navigation.fragment.NavHostFragment"
        android:layout_width="409dp"
        android:layout_height="673dp"
        app:defaultNavHost="true"
        app:layout_constraintBottom_toTopOf="@+id/bottomNavigationView"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:navGraph="@navigation/nav" />
</androidx.constraintlayout.widget.ConstraintLayout>

fragement_bei_wang_lu.xml:

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".BeiWangLu">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/bt_confirm"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline9"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="55dp"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline10"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="638dp"
            app:layout_constraintGuide_percent="0.95" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline11"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="84dp"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline12"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="320dp"
            app:layout_constraintGuide_percent="0.95" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline13"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="211dp"
            app:layout_constraintGuide_percent="0.35" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline14"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="390dp"
            app:layout_constraintGuide_percent="0.5" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline15"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="459dp"
            app:layout_constraintGuide_percent="0.65" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline16"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="567dp"
            app:layout_constraintGuide_percent="0.8" />

        <EditText
            android:id="@+id/et_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginEnd="24dp"
            android:ems="10"
            android:hint="@string/mingcheng"
            android:inputType="textPersonName"
            app:layout_constraintBottom_toTopOf="@+id/guideline14"
            app:layout_constraintEnd_toStartOf="@+id/guideline12"
            app:layout_constraintHorizontal_bias="0.2"
            app:layout_constraintStart_toStartOf="@+id/guideline11"
            app:layout_constraintTop_toTopOf="@+id/guideline13"
            app:layout_constraintVertical_bias="0.523"
            tools:text="在这里输入名称" />

        <EditText
            android:id="@+id/et_addr"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:autofillHints=""
            android:ems="10"
            android:hint="@string/didian"
            android:inputType="textPersonName"
            app:layout_constraintBottom_toTopOf="@+id/guideline15"
            app:layout_constraintEnd_toStartOf="@+id/guideline12"
            app:layout_constraintHorizontal_bias="0.2"
            app:layout_constraintStart_toStartOf="@+id/guideline11"
            app:layout_constraintTop_toTopOf="@+id/guideline14"
            tools:text="在这里输入地点" />

        <EditText
            android:id="@+id/et_people"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:ems="10"
            android:hint="@string/renyuan"
            android:inputType="textPersonName"
            app:layout_constraintBottom_toTopOf="@+id/guideline16"
            app:layout_constraintEnd_toStartOf="@+id/guideline12"
            app:layout_constraintHorizontal_bias="0.2"
            app:layout_constraintStart_toStartOf="@+id/guideline11"
            app:layout_constraintTop_toTopOf="@+id/guideline15"
            tools:text="在这里输入人员" />

        <Button
            android:id="@+id/button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/fabu"
            app:layout_constraintBottom_toTopOf="@+id/guideline10"
            app:layout_constraintEnd_toStartOf="@+id/guideline12"
            app:layout_constraintStart_toStartOf="@+id/guideline11"
            app:layout_constraintTop_toTopOf="@+id/guideline16" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline17"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="204dp"
            app:layout_constraintGuide_percent="0.5" />

        <TextView
            android:id="@+id/datepicker"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/choosetime"
            android:textSize="36sp"
            app:layout_constraintBottom_toTopOf="@+id/guideline13"
            app:layout_constraintEnd_toStartOf="@+id/guideline12"
            app:layout_constraintHorizontal_bias="0.2"
            app:layout_constraintStart_toStartOf="@+id/guideline11"
            app:layout_constraintTop_toTopOf="@+id/guideline9" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</FrameLayout>

fragement_fa_bu.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".FaBu">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline35"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="82dp"
            app:layout_constraintGuide_percent="0.15" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline36"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="478dp"
            app:layout_constraintGuide_percent="0.95" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline37"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="84dp"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline38"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="188dp"
            app:layout_constraintGuide_percent="0.5" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline39"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="331dp"
            app:layout_constraintGuide_percent="0.95" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline40"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="396dp"
            app:layout_constraintGuide_percent="0.6" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline41"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="579dp"
            app:layout_constraintGuide_percent="0.9" />

        <Button
            android:id="@+id/bt_fabu"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/fabu"
            app:layout_constraintBottom_toTopOf="@+id/guideline41"
            app:layout_constraintEnd_toStartOf="@+id/guideline39"
            app:layout_constraintStart_toStartOf="@+id/guideline37"
            app:layout_constraintTop_toTopOf="@+id/guideline40" />

        <EditText
            android:id="@+id/et_content"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:ems="10"
            android:hint="@string/content"
            android:inputType="textPersonName"
            android:singleLine="false"
            app:layout_constraintBottom_toTopOf="@+id/guideline40"
            app:layout_constraintEnd_toStartOf="@+id/guideline39"
            app:layout_constraintStart_toStartOf="@+id/guideline37"
            app:layout_constraintTop_toTopOf="@+id/guideline35" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline48"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="46dp"
            app:layout_constraintGuide_percent="0.05" />

        <EditText
            android:id="@+id/et_title"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:ems="10"
            android:hint="@string/title"
            android:inputType="textPersonName"
            app:layout_constraintBottom_toTopOf="@+id/guideline35"
            app:layout_constraintEnd_toStartOf="@+id/guideline39"
            app:layout_constraintHorizontal_bias="0.0"
            app:layout_constraintStart_toStartOf="@+id/guideline37"
            app:layout_constraintTop_toTopOf="@+id/guideline48"
            app:layout_constraintVertical_bias="0.571" />
    </androidx.constraintlayout.widget.ConstraintLayout>
</FrameLayout>

fragement_ju_ti.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".JuTi">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline28"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="93dp"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline29"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="348dp"
            app:layout_constraintGuide_percent="0.95" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline30"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="89dp"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline31"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="198dp"
            app:layout_constraintGuide_percent="0.5" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline32"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="295dp"
            app:layout_constraintGuide_percent="0.95" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline33"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="358dp"
            app:layout_constraintGuide_percent="0.8" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline34"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="607dp"
            app:layout_constraintGuide_percent="0.9" />

        <TextView
            android:id="@+id/textView10"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:text="TextView"
            android:textSize="36sp"
            app:layout_constraintBottom_toTopOf="@+id/guideline33"
            app:layout_constraintEnd_toStartOf="@+id/guideline32"
            app:layout_constraintStart_toStartOf="@+id/guideline30"
            app:layout_constraintTop_toTopOf="@+id/guideline28"
            tools:text="推送以及评论" />

        <Button
            android:id="@+id/button2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Button"
            app:layout_constraintBottom_toTopOf="@+id/guideline34"
            app:layout_constraintEnd_toStartOf="@+id/guideline31"
            app:layout_constraintStart_toStartOf="@+id/guideline30"
            app:layout_constraintTop_toTopOf="@+id/guideline33" />

        <Button
            android:id="@+id/button3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Button"
            app:layout_constraintBottom_toTopOf="@+id/guideline34"
            app:layout_constraintEnd_toStartOf="@+id/guideline32"
            app:layout_constraintStart_toStartOf="@+id/guideline31"
            app:layout_constraintTop_toTopOf="@+id/guideline33" />
    </androidx.constraintlayout.widget.ConstraintLayout>
</FrameLayout>

fragement_ri_li.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".RiLi">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="176dp"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="122dp"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline3"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="395dp"
            app:layout_constraintGuide_percent="0.95" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline4"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline5"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="194dp"
            app:layout_constraintGuide_percent="0.5" />

        <TextView
            android:id="@+id/tv_countdown"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:singleLine="false"
            android:textSize="36sp"
            app:layout_constraintBottom_toTopOf="@+id/guideline6"
            app:layout_constraintEnd_toStartOf="@+id/guideline3"
            app:layout_constraintHorizontal_bias="0.0"
            app:layout_constraintStart_toStartOf="@+id/guideline2"
            app:layout_constraintTop_toTopOf="@+id/guideline4"
            app:layout_constraintVertical_bias="0.0"
            tools:text="距离考研还有xxx天" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline6"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="137dp"
            app:layout_constraintGuide_percent="0.2" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline7"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="311dp"
            app:layout_constraintGuide_percent="0.35" />

        <CalendarView
            android:id="@+id/calendarView3"
            android:layout_width="0dp"
            android:layout_height="0dp"
            app:layout_constraintBottom_toTopOf="@+id/guideline8"
            app:layout_constraintEnd_toStartOf="@+id/guideline3"
            app:layout_constraintStart_toStartOf="@+id/guideline2"
            app:layout_constraintTop_toTopOf="@+id/guideline7" />

        <TextView
            android:id="@+id/tv_sentence"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:gravity="center"
            android:text="TextView"
            android:textColor="#00BCD4"
            android:textSize="18sp"
            app:layout_constraintBottom_toTopOf="@+id/guideline7"
            app:layout_constraintEnd_toStartOf="@+id/guideline3"
            app:layout_constraintStart_toStartOf="@+id/guideline2"
            app:layout_constraintTop_toTopOf="@+id/guideline6"
            tools:text="考研加油短语" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline42"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="687dp"
            app:layout_constraintGuide_percent="1" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline8"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="630dp"
            app:layout_constraintGuide_percent="0.8" />

        <ImageView
            android:id="@+id/iv_add"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:src="@drawable/ic_add"
            app:layout_constraintBottom_toTopOf="@+id/guideline4"
            app:layout_constraintEnd_toStartOf="@+id/guideline3"
            app:layout_constraintHorizontal_bias="0.0"
            app:layout_constraintStart_toStartOf="@+id/guideline44"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="1.0" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline43"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="20dp" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline44"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="20dp"
            app:layout_constraintGuide_percent="0.8" />

        <ListView
            android:id="@+id/lv_bwl"
            android:layout_width="0dp"
            android:layout_height="0dp"
            app:layout_constraintBottom_toTopOf="@+id/guideline42"
            app:layout_constraintEnd_toStartOf="@+id/guideline3"
            app:layout_constraintHorizontal_bias="0.538"
            app:layout_constraintStart_toStartOf="@+id/guideline2"
            app:layout_constraintTop_toBottomOf="@+id/calendarView3"
            app:layout_constraintVertical_bias="1.0" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</FrameLayout>

fragement_she_qu.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".SheQu">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline18"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="41dp"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline20"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="210dp"
            app:layout_constraintGuide_percent="0.5" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline21"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="108dp"
            app:layout_constraintGuide_percent="0.05" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline22"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="337dp"
            app:layout_constraintGuide_percent="0.95" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline23"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_begin="136dp"
            app:layout_constraintGuide_percent="0.15" />

        <ImageView
            android:id="@+id/iv_addShequ"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/ic_add"
            app:layout_constraintBottom_toTopOf="@+id/guideline23"
            app:layout_constraintEnd_toStartOf="@+id/guideline22"
            app:layout_constraintStart_toStartOf="@+id/guideline19"
            app:layout_constraintTop_toTopOf="@+id/guideline18" />

        <androidx.constraintlayout.widget.Guideline
            android:id="@+id/guideline19"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_begin="20dp"
            app:layout_constraintGuide_percent="0.8" />

        <ListView
            android:id="@+id/lv_shequ"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="@+id/guideline23"
            app:layout_constraintVertical_bias="0.0" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</FrameLayout>

我的、院校、自习界面仅为简单的页面切换的区分

item.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="200dp">

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline24"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="1.0" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline25"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.77" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline26"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.22" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline27"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.5" />

    <TextView
        android:id="@+id/name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextView"
        android:textSize="18sp"
        app:layout_constraintBottom_toTopOf="@+id/guideline26"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="@+id/guideline49"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintVertical_bias="0.0" />

    <TextView
        android:id="@+id/title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:text="TextView"
        android:textSize="24sp"
        app:layout_constraintBottom_toTopOf="@+id/content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="@+id/guideline49"
        app:layout_constraintTop_toTopOf="@+id/guideline26"
        app:layout_constraintVertical_bias="0.0" />

    <TextView
        android:id="@+id/like"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextView"
        android:textSize="18sp"
        app:layout_constraintBottom_toTopOf="@+id/guideline24"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.175"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/guideline25" />

    <ImageView
        android:id="@+id/likebutton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:contentDescription="@string/likes"
        app:layout_constraintBottom_toTopOf="@+id/guideline24"
        app:layout_constraintEnd_toStartOf="@+id/like"
        app:layout_constraintStart_toStartOf="@+id/guideline49"
        app:layout_constraintTop_toTopOf="@+id/guideline25"
        app:srcCompat="@drawable/ic_like" />

    <TextView
        android:id="@+id/content"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:ellipsize="marquee"
        android:text="TextView"
        android:textSize="30sp"
        app:layout_constraintBottom_toTopOf="@+id/guideline25"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="@+id/guideline49"
        app:layout_constraintTop_toTopOf="@+id/guideline26"
        app:layout_constraintVertical_bias="0.686" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline49"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.05" />

</androidx.constraintlayout.widget.ConstraintLayout>

item2.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="200dp">

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline45"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="1.0" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline46"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.5" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guideline47"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.5" />

    <TextView
        android:id="@+id/tv_time"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:textSize="24sp"
        app:layout_constraintBottom_toTopOf="@+id/guideline46"
        app:layout_constraintEnd_toStartOf="@+id/guideline47"
        app:layout_constraintHorizontal_bias="0.503"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/tv_addr"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:textSize="24sp"
        app:layout_constraintBottom_toTopOf="@+id/guideline46"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="@+id/guideline47"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/tv_thing"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:textSize="24sp"
        app:layout_constraintBottom_toTopOf="@+id/guideline45"
        app:layout_constraintEnd_toStartOf="@+id/guideline47"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@+id/guideline46" />

    <TextView
        android:id="@+id/tv_people"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:textSize="24sp"
        app:layout_constraintBottom_toTopOf="@+id/guideline45"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="@+id/guideline47"
        app:layout_constraintTop_toTopOf="@+id/guideline46" />
</androidx.constraintlayout.widget.ConstraintLayout>

menu文件：

menu.xml:

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">

    <item
        android:id="@+id/RiLi"
        android:icon="@drawable/ic_rili"
        android:title="日历" />
    <item
        android:id="@+id/YuanXiao"
        android:icon="@drawable/ic_yuanxiao"
        android:title="院校" />
    <item
        android:id="@+id/Shequ"
        android:icon="@drawable/ic_shequ"
        android:title="社区" />
    <item
        android:id="@+id/ZiXi"
        android:icon="@drawable/ic_zixi"
        android:title="自习" />
    <item
        android:id="@+id/WoDe"
        android:icon="@drawable/ic_wode"
        android:title="我的" />
</menu>

nav.xml

<?xml version="1.0" encoding="utf-8"?>
<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/nav"
    app:startDestination="@id/RiLi">

    <fragment
        android:id="@+id/beiWangLu"
        android:name="com.example.teamproject.BeiWangLu"
        android:label="添加备忘录"
        tools:layout="@layout/fragment_bei_wang_lu" >
        <action
            android:id="@+id/action_beiWangLu_to_RiLi"
            app:destination="@id/RiLi" />
    </fragment>
    <fragment
        android:id="@+id/RiLi"
        android:name="com.example.teamproject.RiLi"
        android:label="日历"
        tools:layout="@layout/fragment_ri_li">
        <action
            android:id="@+id/action_RiLi_to_beiWangLu"
            app:destination="@id/beiWangLu" />
    </fragment>
    <fragment
        android:id="@+id/FaBu"
        android:name="com.example.teamproject.FaBu"
        android:label="发布"
        tools:layout="@layout/fragment_fa_bu" >
        <action
            android:id="@+id/action_FaBu_to_Shequ"
            app:destination="@id/Shequ" />
    </fragment>
    <fragment
        android:id="@+id/JuTi"
        android:name="com.example.teamproject.JuTi"
        android:label="具体信息"
        tools:layout="@layout/fragment_ju_ti" >
        <action
            android:id="@+id/action_JuTi_to_Shequ"
            app:destination="@id/Shequ" />
    </fragment>
    <fragment
        android:id="@+id/Shequ"
        android:name="com.example.teamproject.SheQu"
        android:label="社区"
        tools:layout="@layout/fragment_she_qu">
        <action
            android:id="@+id/action_Shequ_to_faBu2"
            app:destination="@id/FaBu" />
        <action
            android:id="@+id/action_Shequ_to_juTi2"
            app:destination="@id/JuTi" />
    </fragment>
    <fragment
        android:id="@+id/YuanXiao"
        android:name="com.example.teamproject.YuanXiao"
        android:label="fragment_yuan_xiao"
        tools:layout="@layout/fragment_yuan_xiao" />
    <fragment
        android:id="@+id/ZiXi"
        android:name="com.example.teamproject.ZiXi"
        android:label="fragment_zi_xi"
        tools:layout="@layout/fragment_zi_xi" />
    <fragment
        android:id="@+id/WoDe"
        android:name="com.example.teamproject.WoDe"
        android:label="fragment_wo_de"
        tools:layout="@layout/fragment_wo_de" />
</navigation>

strings.xml

<resources>
    <string name="app_name">teamproject</string>

    <!-- TODO: Remove or change this placeholder text -->
    <string name="hello_blank_fragment">Hello blank fragment</string>
    <string name="fabu">发布</string>
    <string name="renyuan">在这里输入人员</string>
    <string name="didian">在这里输入地点</string>
    <string name="mingcheng">在这里输入名称</string>
    <string name="choosetime">点击以选择时间</string>
    <string name="content">在这里输入内容</string>
    <string name="title">在这里输入标题</string>
    <string name="likes">likes</string>
</resources>

数据库表结构：

sql文件：

/*
SQLyog Ultimate v12.08 (64 bit)
MySQL - 5.7.22-log : Database - team
*********************************************************************
*/


/*!40101 SET NAMES utf8 */;

/*!40101 SET SQL_MODE=''*/;

/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
CREATE DATABASE /*!32312 IF NOT EXISTS*/`team` /*!40100 DEFAULT CHARACTER SET utf8 */;

USE `team`;

/*Table structure for table `beiwanglu` */

DROP TABLE IF EXISTS `beiwanglu`;

CREATE TABLE `beiwanglu` (
  `name` varchar(2565) DEFAULT NULL,
  `time` varchar(2565) DEFAULT NULL,
  `address` varchar(2565) DEFAULT NULL,
  `thing` varchar(2565) DEFAULT NULL,
  `people` varchar(2565) DEFAULT NULL,
  `bid` int(11) NOT NULL AUTO_INCREMENT,
  KEY `bid` (`bid`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8;

/*Data for the table `beiwanglu` */

/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;

/*
SQLyog Ultimate v12.08 (64 bit)
MySQL - 5.7.22-log : Database - team
*********************************************************************
*/


/*!40101 SET NAMES utf8 */;

/*!40101 SET SQL_MODE=''*/;

/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
CREATE DATABASE /*!32312 IF NOT EXISTS*/`team` /*!40100 DEFAULT CHARACTER SET utf8 */;

USE `team`;

/*Table structure for table `sentence` */

DROP TABLE IF EXISTS `sentence`;

CREATE TABLE `sentence` (
  `sentence` varchar(2222) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

/*Data for the table `sentence` */

insert  into `sentence`(`sentence`) values ('愿你不忘初心，书写人生华章。'),('愿你砥砺前行，归来仍是少年'),('不放弃一部分生活，不会遇到未来的自己'),('没有什么是容易的，但坚持下来的都不会太差。'),('心中无畏，星辰生花。满怀希望就会所向披靡。'),('在这场考研旅途的尽头，收获心中最美丽的风景。'),('希望在来年花开的春季，遇见你们最温暖的的笑容'),('人生之光荣，不在永不失败，而在于屡仆屡起。'),('任何人都不可依赖，要生存只有靠自己'),('学习时的痛苦是暂时的，未学到的痛苦是终生的'),('我无悔我的选择，，但我必须首先学会放弃一切。'),('考研的成功，不在于你复习多长的时间，而在于时间、效率、耐力三者的乘积'),('食堂，寝室，教室，你就只能去这三个地方，拉屎都是在浪费时间，你应该学习！'),('永远，永远，永远不要放弃——要坚持到最后那一刻。'),('考研是我证明自己价值的最直接的路，是我改变自己现在生活状态的捷径，是我真正体验高校生活的唯一的路。'),('阳光总在风雨后，请相信有彩虹!'),('命运就像掌纹，虽然曲曲折折，却始终掌握在自己的手中。'),('我可以放弃一切，但决不放弃考研;我可以坚持一切，但绝不给懒惰找借口。不求做给谁看，但求问心无愧。到时候，只希望自己可以没有愧疚的说一句：我尽力了!'),('人生有几步是需要跑的，现在知就是要跑的时候了，想过成功，想过失败，但从没想过放弃。在过程中打败自己，在结果上打败别人。'),('没有尽力而为，只有全力以赴'),('一鼓作气，考研是一种忍耐。'),('再长的路，一步步也能走完，再短的路，不迈开双脚也无法到达。'),('不要害怕名校，专科考清华，三本考北大是事实而不是传说。'),('失败不属于我，我现在一无所有，我只拥有去拼搏的能力。'),('愿大家都想辛勤的蜜蜂一样，没有浪费时间的悲哀，祝所有考研人梦想成真。'),('不到最后时刻，永远不要放弃。'),('不到最后胜利，永远不要掉以轻心。'),('一举夺魁宏名扬，霞光裹身蔽云天。'),('在考验这条路上，每个人都步履匆匆，但是不要忘了，抬头就是星光，你只管努力，剩下的交给天意。'),('今天能做的事，切莫拖延到明天。'),('宁死不随缘，势必要上岸'),('不辛苦，一点都不辛苦，真的，考上了才能说辛苦，考不上连说辛苦的勇气都没有。'),('未来那个物质充实，灵魂自由的自己会感谢现在努力的自己。'),('我们终究也无法成为我们想成为的人，但我们知道我们不想成为什么人，这就够了。'),('考研是一场战役，一场坚持到最后非常值得的战役。'),('考研收获的不只是成功，更多的是对生活下一步的期待和决心。'),('人一旦有了梦想，就再也不能满足于在地上爬。'),('路漫漫其修远兮，吾将上下而求索!'),('考研不是无间道，而且开往春天的地铁!'),('荒废永远没有尽头，你可以一天天荒废，但是当你后悔时，你再想挽回，就已经晚了，真的晚了!'),('人生能有几回搏，此时不搏何时搏！'),('放弃只要一秒钟，而坚持要一辈子。'),('想过成功，想过失败，但从没想过放弃。'),('欲以一身撼天下，须于平地起波澜。'),('我将用意志和肉体战胜一切。'),('从绝望中寻找希望，不再做命运的玩偶，从此刻起命运掌握在我的手中。'),('谋人事，成天命。'),('学习注重一个节奏，节奏不能断，也就是你不能一天不看书，断一天的节奏，一个周补不回来。很可怕！'),('每个月月底一个大休，周日适当休息，其余时间按计划进行，雷打不动，即使下冰雹，哪怕下刀子，去上自习！'),('没有付出，就没有收获，人只有上坡路才是最难走的，相信自己能成功，自己就一定能成功。努力吧，希望会属于你的。'),('你的一生中，可以有所作为的时候，只有一次，那就是现在。然而，许多人却在悔恨过去和担忧未来之中浪费了大好时光。');

/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;

/*
SQLyog Ultimate v12.08 (64 bit)
MySQL - 5.7.22-log : Database - team
*********************************************************************
*/


/*!40101 SET NAMES utf8 */;

/*!40101 SET SQL_MODE=''*/;

/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
CREATE DATABASE /*!32312 IF NOT EXISTS*/`team` /*!40100 DEFAULT CHARACTER SET utf8 */;

USE `team`;

/*Table structure for table `shequ` */

DROP TABLE IF EXISTS `shequ`;

CREATE TABLE `shequ` (
  `name` varchar(2565) DEFAULT NULL,
  `title` varchar(2666) DEFAULT NULL,
  `content` varchar(2555) DEFAULT NULL,
  `likes` int(255) DEFAULT NULL,
  `time` varchar(2546) DEFAULT NULL,
  `id` int(11) NOT NULL AUTO_INCREMENT,
  KEY `id` (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8;

/*Data for the table `shequ` */

/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;
/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;