第一阶段冲刺——3

通过在网上找到相关程序的学生端的代码进行学习

实现了一小部分功能

明天还需要继续

package com.example.shazidouhuiapp.activity;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
 
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
 
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
 
import com.example.shazidouhuiapp.Adapter.HomeAdatpter;
import com.example.shazidouhuiapp.Adapter.readReceiveAdapter;
import com.example.shazidouhuiapp.Adapter.receiveAdapter;
import com.example.shazidouhuiapp.Bean.User;
import com.example.shazidouhuiapp.Bean.homework;
import com.example.shazidouhuiapp.Bean.homeworkContent;
import com.example.shazidouhuiapp.R;
 
 
import java.util.ArrayList;
import java.util.List;
 
import cn.bmob.v3.BmobQuery;
import cn.bmob.v3.BmobUser;
import cn.bmob.v3.datatype.BmobPointer;
import cn.bmob.v3.exception.BmobException;
import cn.bmob.v3.listener.FindListener;
 
public class student_readover_receive extends AppCompatActivity {
    private String id;
    private RecyclerView rv;
    private SwipeRefreshLayout srlayout;
    private TextView helloquestion;
    //    private TextView HelloHome;
//    private TextView username,ok;
    private LinearLayout homesearch;
 
    List<homeworkContent> data;
 
 
 
    private readReceiveAdapter readreceiveAdapter;
 
 
 
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.student_unfinished_question);
        initView();
 
        //初始刷新
        Refresh();
 
        srlayout.setColorSchemeResources(android.R.color.holo_green_light,android.R.color.holo_red_light,android.R.color.holo_blue_light);
        srlayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
            @Override
            public void onRefresh() {
                //刷新；
                Refresh();
            }
        });
    }
 
    private void Refresh() {
 
        Intent a=getIntent();
        id=a.getStringExtra("id");
        String title=a.getStringExtra("title");
        helloquestion.setText(title);
        homework homework=new homework();
        homework.setObjectId(id+"");
 
        BmobQuery<homeworkContent> query=new BmobQuery();
        query.addWhereRelatedTo("homeworkContent",new BmobPointer(homework));
 
        query.findObjects(new FindListener<homeworkContent>() {
            @Override
            public void done(List<homeworkContent> list, BmobException e) {
                if(e==null){
                    data=list;
                    readreceiveAdapter =new readReceiveAdapter(student_readover_receive.this,data,id);
                    rv.setLayoutManager(new LinearLayoutManager(student_readover_receive.this));
                    rv.setAdapter(readreceiveAdapter);
                }
                else {
                    Toast.makeText(student_readover_receive.this, "题目数据获取失败", Toast.LENGTH_SHORT).show();
                }
            }
        });
 
 
 
 
    }
 
    private void initView() {
        rv = findViewById(R.id.question_recyclerview);
        srlayout =findViewById(R.id.question_swipe);
        helloquestion=findViewById(R.id.helloquestion);
    }
}