冲刺（六）

以下是我们团队做的关于学生的几个功能

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);
    }
}

　　

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.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_unfinished_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 receiveAdapter receiveAdapter;



    @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;
                    receiveAdapter =new receiveAdapter(student_unfinished_receive.this,data,id);
                    rv.setLayoutManager(new LinearLayoutManager(student_unfinished_receive.this));
                    rv.setAdapter(receiveAdapter);
                }
                else {
                    Toast.makeText(student_unfinished_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);
    }
}

　　

package com.example.shazidouhuiapp.activity;



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

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;

import com.example.shazidouhuiapp.Adapter.receiveAdapter;
import com.example.shazidouhuiapp.Bean.homework;
import com.example.shazidouhuiapp.Bean.homeworkContent;
import com.example.shazidouhuiapp.R;

import java.util.List;

import cn.bmob.v3.BmobQuery;
import cn.bmob.v3.datatype.BmobPointer;
import cn.bmob.v3.exception.BmobException;
import cn.bmob.v3.listener.FindListener;
import cn.bmob.v3.listener.QueryListener;
import cn.bmob.v3.listener.UpdateListener;


public class student_unfinished_receive_question extends AppCompatActivity {
    private TextView question,score,status;
    private EditText myanswer;
    private Button submit;
    private ImageView returnview;
    private String id,parent;
    private  homeworkContent hom;
    private homework homework;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.student_unfinished_recieve);
        initview();
        initdata();
        returnview.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                finish();
            }
        });

    }

    private void initdata() {
        //另外一种
        Intent a=getIntent();
        id=a.getStringExtra("id");
        parent=a.getStringExtra("parentid");
        hom=new homeworkContent();
        homework=new homework();
        hom.setObjectId(id+"");
        homework.setObjectId(parent+"");
        String mquestion=a.getStringExtra("question");
        String mscore=a.getStringExtra("score");
        String mstatus=a.getStringExtra("status");
        if(mstatus.equals("true")){
            status.setText("已完成");
        }
        else if(mstatus.equals("false")){
            status.setText("未完成");
        }
        question.setText(mquestion);
        score.setText(mscore);

        submit.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                final String answer=myanswer.getText().toString().trim();
                if(answer.isEmpty()){
                    Toast.makeText(student_unfinished_receive_question.this, "请输入你的答案", Toast.LENGTH_SHORT).show();
                }
                else {
                    hom.setMyAnswer(answer);
                    hom.setStatus(true);
                    hom.update(new UpdateListener() {
                        @Override
                        public void done(BmobException e) {
                            if(e==null){

                                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){
                                            int flag=0;
                                            for (homeworkContent homew:list
                                                 ) {
                                                if(homew.isStatus()==true){
                                                    flag++;
                                                }
                                            }
                                            Toast.makeText(student_unfinished_receive_question.this, "本小题提交成功", Toast.LENGTH_SHORT).show();
                                            if(flag>=(list.size()-1)){
                                                homework.setStatus(true);
                                                homework.update(new UpdateListener() {
                                                    @Override
                                                    public void done(BmobException e) {
                                                        if(e==null){
                                                            Toast.makeText(student_unfinished_receive_question.this, "您已完成本次作业所有题目", Toast.LENGTH_SHORT).show();
                                                        }
                                                        else {
                                                            Toast.makeText(student_unfinished_receive_question.this, "本次作业更新失败"+e.getMessage(), Toast.LENGTH_SHORT).show();
                                                        }
                                                    }
                                                });

                                            }
                                        }
                                        else {
                                            Toast.makeText(student_unfinished_receive_question.this, "获取题目数据失败", Toast.LENGTH_SHORT).show();
                                        }
                                    }
                                });

                            }
                            else{
                                Log.d("提交失败", e.getMessage()+"");
                                Toast.makeText(student_unfinished_receive_question.this, "提交失败"+e.getMessage(), Toast.LENGTH_LONG).show();
                            }
                        }
                    });
                }
            }
        });


    }

    private void initview() {
        question=findViewById(R.id.receive_question_question);
        score=findViewById(R.id.receive_question_score);
        status=findViewById(R.id.receive_question_status);
        myanswer=findViewById(R.id.receive_myanswer);
        returnview=findViewById(R.id.receiveback);
        submit=findViewById(R.id.receive_submit);
    }

}

　　

package com.example.shazidouhuiapp.activity;

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

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.viewpager.widget.ViewPager;

import com.ashokvarma.bottomnavigation.BottomNavigationBar;
import com.ashokvarma.bottomnavigation.BottomNavigationItem;

import com.example.shazidouhuiapp.Adapter.setAdapter;
import com.example.shazidouhuiapp.R;
import com.example.shazidouhuiapp.fragment.FragmentMine;
import com.example.shazidouhuiapp.fragment.FragmentReadOver;
import com.example.shazidouhuiapp.fragment.FragmentUnfinished;

import java.util.ArrayList;
import java.util.List;


public class studentinterface extends AppCompatActivity implements BottomNavigationBar.OnTabSelectedListener, ViewPager.OnPageChangeListener {
    private ViewPager viewPager;
    private BottomNavigationBar bottomNavigationBar;
    private List<Fragment> fragmentList;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        viewPager=findViewById(R.id.viewpager);
        bottomNavigationBar=findViewById(R.id.bottom);
        initView();

    }

    private void initView() {
        initViewPager();
        initBottom();

    }

    private void initBottom() {
        bottomNavigationBar.setTabSelectedListener(this);
        bottomNavigationBar.clearAll();
        bottomNavigationBar.setMode(BottomNavigationBar.MODE_FIXED);
        bottomNavigationBar.setBackgroundStyle(BottomNavigationBar.BACKGROUND_STYLE_DEFAULT);
        bottomNavigationBar.setBarBackgroundColor(R.color.white).setActiveColor(R.color.colorbasel)
                .setInActiveColor(R.color.black);
        bottomNavigationBar.addItem(new BottomNavigationItem(R.drawable.homepage_fill,"未完成作业").setInactiveIconResource(R.drawable.homepage))
                .addItem(new BottomNavigationItem(R.drawable.mobilephone_fill,"已批改作业").setInactiveIconResource(R.drawable.mobilephone))
                .addItem(new BottomNavigationItem(R.drawable.mine_fill,"我的").setInactiveIconResource(R.drawable.mine))
                .setFirstSelectedPosition(0)
                .initialise();

    }

    private void initViewPager() {

        viewPager.setOffscreenPageLimit(3);

        //配置fragment
        fragmentList=new ArrayList<>();
        //三个底部导航栏的实例化
        fragmentList.add(new FragmentUnfinished());
        fragmentList.add(new FragmentReadOver());
        fragmentList.add(new FragmentMine());

        viewPager.setAdapter(new setAdapter(getSupportFragmentManager(),fragmentList));
        viewPager.addOnPageChangeListener(this);
        viewPager.setCurrentItem(0);
    }


    @Override
    public void onTabSelected(int position) {

    }

    @Override
    public void onTabUnselected(int position) {

    }

    @Override
    public void onTabReselected(int position) {
        viewPager.setCurrentItem(position);
    }

    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {

    }

    @Override
    public void onPageSelected(int position) {
        bottomNavigationBar.selectTab(position);
    }

    @Override
    public void onPageScrollStateChanged(int state) {

    }
}