第二阶段SCRUM

1、整个项目预期的任务量 ：两个月

2、 目前已经花的时间：将近三个月还剩余的时间

3、SCRUM 会议的照片一张

4、产品的状态

产品能够让学生提交作业，并且提醒学生有作业，有考试等。老师能够发布作业，并且查看学生提交的作业和考试等。

package com.example.shazidouhuiapp.activity;

import android.content.Intent;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;

import com.example.shazidouhuiapp.Bean.User;
import com.example.shazidouhuiapp.R;
import com.example.shazidouhuiapp.Util.Utils;

import org.json.JSONException;
import org.json.JSONObject;

import cn.bmob.v3.BmobUser;
import cn.bmob.v3.exception.BmobException;
import cn.bmob.v3.listener.SaveListener;
import cn.smssdk.EventHandler;
import cn.smssdk.SMSSDK;

public class mobloging extends AppCompatActivity {
    private Button buttonCode,buttonLogin;
    private EditText editTextPhoneNum,editTextCode,editPassword;
    private TextView fogetPassword,Register;
    private String phoneNum,code,pass;
    private EventHandler eh;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_login);
        initview();

        eh = new EventHandler() {
            @Override
            public void afterEvent(int event, int result, Object data) {
                if (result == SMSSDK.RESULT_COMPLETE){
                    //回调完成
                    if (event == SMSSDK.EVENT_SUBMIT_VERIFICATION_CODE) {
                        //提交验证码成功
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                pass=editPassword.getText().toString().trim();;
                                phoneNum=editTextPhoneNum.getText().toString().trim();
                                BmobUser user=new BmobUser();
                                user.setPassword(pass);
                                user.setUsername(phoneNum);
                                user.login(new SaveListener<User>() {
                                    @Override
                                    public void done(User user, BmobException e) {
                                        if(e==null){
                                            Toast.makeText(mobloging.this, "登陆成功", Toast.LENGTH_SHORT).show();
                                            if(user.getType().equals("student")){
                                                startActivity(new Intent(mobloging.this,studentinterface.class));
                                            }
                                            else if(user.getType().equals("teacher")){
                                                startActivity(new Intent(mobloging.this,teacherinterface.class));
                                            }
                                        }
                                        else {
                                            Toast.makeText(mobloging.this, "登陆失败"+e.getMessage(), Toast.LENGTH_LONG).show();
                                        }
                                    }
                                });


                            }
                        });
                    }else if (event == SMSSDK.EVENT_GET_VOICE_VERIFICATION_CODE){
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                Toast.makeText(mobloging.this,"语音验证发送",Toast.LENGTH_SHORT).show();
                            }
                        });
                    }
                    else if (event == SMSSDK.EVENT_GET_VERIFICATION_CODE){
                        //获取验证码成功
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                Toast.makeText(mobloging.this,"验证码已发送",Toast.LENGTH_SHORT).show();
                            }
                        });
                    }else if (event == SMSSDK.EVENT_GET_SUPPORTED_COUNTRIES){
                        Log.i("test","test");
                    }
                }else{
                    ((Throwable)data).printStackTrace();
                    Throwable throwable = (Throwable) data;
                    throwable.printStackTrace();
                    Log.i("1234",throwable.toString());
                    try {
                        JSONObject obj = new JSONObject(throwable.getMessage());
                        final String des = obj.optString("detail");
                        if (!TextUtils.isEmpty(des)){
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    Toast.makeText(mobloging.this,des,Toast.LENGTH_SHORT).show();
                                }
                            });
                        }
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }
            }
        };
//        fogetPassword.setOnClickListener(new View.OnClickListener() {
//            @Override
//            public void onClick(View v) {
//                startActivity(new Intent(mobloging.this,resetPassword.class));
//            }
//        });

        Register.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                startActivity(new Intent(mobloging.this,register.class));
            }
        });
        //注册一个事件回调监听，用于处理SMSSDK接口请求的结果
        SMSSDK.registerEventHandler(eh);
        buttonCode.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                phoneNum = editTextPhoneNum.getText().toString();
                if(!phoneNum.isEmpty()){
                    if(Utils.checkTel(phoneNum)){ //利用正则表达式获取检验手机号
                        // 获取验证码
                        SMSSDK.getVerificationCode("86", phoneNum);
                    }else{
                        Toast.makeText(getApplicationContext(),"请输入有效的手机号",Toast.LENGTH_LONG).show();
                    }
                }else {
                    Toast.makeText(getApplicationContext(),"请输入手机号",Toast.LENGTH_LONG).show();
                    return;
                }
                phoneNum = editTextPhoneNum.getText().toString();
            }
        });
        buttonLogin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                code = editTextCode.getText().toString();
                if(!code.isEmpty()){
                    //提交验证码
                    SMSSDK.submitVerificationCode("86", phoneNum, code);
                }else{
                    Toast.makeText(getApplicationContext(),"请输入验证码",Toast.LENGTH_LONG).show();
                    return;
                }
            }
        });
    }

    private void initview() {
//        private Button buttonCode,buttonLogin;
//        private EditText editTextPhoneNum,editTextCode,editPassword;
        buttonCode=findViewById(R.id.verify_getVerify);
        buttonLogin=findViewById(R.id.loginButton);
        editPassword=findViewById(R.id.password);
        editTextCode=findViewById(R.id.verify_verifyCode);
        editTextPhoneNum=findViewById(R.id.phoneNumber);
        fogetPassword=findViewById(R.id.fogetPassword);
        Register=findViewById(R.id.Register);
    }

    // 使用完EventHandler需注销，否则可能出现内存泄漏
    @Override
    protected void onDestroy() {
        super.onDestroy();
        SMSSDK.unregisterEventHandler(eh);
    }
}

　　

package com.example.shazidouhuiapp.activity;

import androidx.appcompat.app.AppCompatActivity;

import android.Manifest;
import android.content.ContentResolver;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

import com.example.shazidouhuiapp.Bean.IpetUser;
import com.example.shazidouhuiapp.MainActivity;
import com.example.shazidouhuiapp.R;
import com.example.shazidouhuiapp.Util.RealPathFromUriUtils;

import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;

import butterknife.ButterKnife;
import cn.bmob.v3.Bmob;
import cn.bmob.v3.datatype.BmobFile;
import cn.bmob.v3.exception.BmobException;
import cn.bmob.v3.listener.UpdateListener;
import cn.bmob.v3.listener.UploadFileListener;
import de.hdodenhof.circleimageview.CircleImageView;
import permissions.dispatcher.NeedsPermission;
import permissions.dispatcher.RuntimePermissions;

@RuntimePermissions
public class Receivecamera extends AppCompatActivity {
    private String id,parentid;
    public static final int CHOOSE_PHOTO=2;
    private String mpath=null;
    private CircleImageView headImage;
    private Button registreButtonSignup;
    private  BmobFile file;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.photo);


        Intent a=getIntent();
        id=a.getStringExtra("id");
        parentid=a.getStringExtra("parentid");
        initview();
        ButterKnife.bind(this);
        registreButtonSignup.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent();
                /* 开启Pictures画面Type设定为image */
                intent.setType("image/*");
                /* 使用Intent.ACTION_GET_CONTENT这个Action */
                intent.setAction(Intent.ACTION_GET_CONTENT);
                /* 取得相片后返回本画面 */
                startActivityForResult(intent, 1);
            }
        });


    }
    public final static int REQUEST_CODE_SOME_FEATURES_PERMISSIONS=1;
    @Override
    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
        switch (requestCode) {
            case REQUEST_CODE_SOME_FEATURES_PERMISSIONS: {
                for (int i = 0; i < permissions.length; i++) {
                    if (grantResults[i] == PackageManager.PERMISSION_GRANTED) {
                        Log.e("TTT","Permissions --> " + "Permission Granted: " + permissions[i]);
                    } else if (grantResults[i] == PackageManager.PERMISSION_DENIED) {
                        Log.e("TTT","Permissions --> " + "Permission Denied: " + permissions[i]);
                    }
                }
            }
            break;
            default: {
                super.onRequestPermissionsResult(requestCode, permissions, grantResults);
            }
        }
    }

    private void initview() {
        registreButtonSignup=findViewById(R.id.registre_button_signup);
        headImage=findViewById(R.id.head_image);
    }
    @NeedsPermission(Manifest.permission.CAMERA)
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (data==null){
            Log.d("hhhhhhhhhhhhhhhhhhhhhhh", "data是空得: ");
            return;
        }
        if (resultCode == RESULT_OK) {
            Uri uri = data.getData();
            mpath = RealPathFromUriUtils.getRealPathFromUri(this, data.getData());
            Log.d("mathimage", mpath+"000000000000000000000000000000000000000");
            //上传头像

            file=new BmobFile(new File(mpath));
            Log.d("filefile", file.toString());
            file.uploadblock(new UploadFileListener() {
                @Override
                public void done(BmobException e) {
                        if(e==null){
                            saveFile(file);
                        }
                        else{
                            Log.d("jiazaishibai1", "上传失败了呢"+e.getMessage()+"00000"+e.getErrorCode());
                        }
                }
            });


            ContentResolver cr = this.getContentResolver();
            try {
                Log.d("qwe",mpath+"");
                Bitmap bitmap = BitmapFactory.decodeStream(cr.openInputStream(data.getData()));
                /* 将Bitmap设定到ImageView */
                headImage.setImageBitmap(bitmap);
            } catch (FileNotFoundException e) {
                Log.d("qwe", e.getMessage(),e);
            }
        }
        else{
            Toast.makeText(this, "疗伤烧肉粽", Toast.LENGTH_SHORT).show();
            Log.d("nalinali", "出错了,reault不ok");
        }
        super.onActivityResult(requestCode, resultCode, data);
    }

    private void saveFile(BmobFile file) {
        IpetUser user=new IpetUser(id);
        user.setUser_pic(file);
        user.update(new UpdateListener() {
            @Override
            public void done(BmobException e) {
                if(e==null){
                    Toast.makeText(Receivecamera.this,"上传成功",Toast.LENGTH_SHORT).show();
                }else {
                    Toast.makeText(Receivecamera.this,"上传失败"+e.getMessage()+"0000"+e.getErrorCode(),Toast.LENGTH_SHORT).show();
                    Log.d("shangchuan", e.getMessage()+"+++"+e.getErrorCode());
                    Log.d("idnameddd", "done: "+id);
                }
            }
        });

    }





}

　　

package com.example.shazidouhuiapp.activity;

import android.content.Intent;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;

import com.example.shazidouhuiapp.Bean.User;
import com.example.shazidouhuiapp.R;
import com.example.shazidouhuiapp.Util.Utils;

import org.json.JSONException;
import org.json.JSONObject;

import java.util.List;

import cn.bmob.v3.BmobQuery;
import cn.bmob.v3.BmobUser;
import cn.bmob.v3.exception.BmobException;
import cn.bmob.v3.listener.FindListener;
import cn.bmob.v3.listener.SaveListener;
import cn.smssdk.EventHandler;
import cn.smssdk.SMSSDK;

public class register extends AppCompatActivity {
    private Button buttonCode,buttonLoginStudent,buttonLoginTeacher;
    private EditText editTextPhoneNum,editTextCode,editPassword;
    private String phoneNum,code,pass;
    private EventHandler eh;
    private int flag=1;//学生按钮
    private int flag2=0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_register);
        initview();


        eh = new EventHandler() {
            @Override
            public void afterEvent(int event, int result, Object data) {
                if (result == SMSSDK.RESULT_COMPLETE){
                    //回调完成
                    if (event == SMSSDK.EVENT_SUBMIT_VERIFICATION_CODE) {
                        //提交验证码成功
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                flag2=0;
                                BmobQuery<User> bmobQuery=new BmobQuery<>();
                                bmobQuery.addWhereEqualTo("username", phoneNum+"");
                                bmobQuery.findObjects(new FindListener<User>(){
                                    @Override
                                    public void done(List<User> list, BmobException e) {
                                        if(e==null){
                                            if(list.size()!=0){
                                                Toast.makeText(register.this, "此手机号已被注册", Toast.LENGTH_SHORT).show();
                                            }
                                            else if(list.size()==0){
                                                User user=new User();
                                                if(flag==1){

                                                    user.setType("student");
                                                    user.setUsername(phoneNum);
                                                    user.setPassword(pass);
                                                    user.setMobilePhoneNumberVerified(true);
                                                    user.setMobilePhoneNumber(phoneNum);
                                                    user.signUp(new SaveListener<User>() {
                                                        @Override
                                                        public void done(User user, BmobException e) {
                                                            if(e==null){
                                                                Toast.makeText(register.this, "注册成功", Toast.LENGTH_SHORT).show();
                                                                startActivity(new Intent(register.this,splash.class));
                                                            }
                                                            else {
                                                                Toast.makeText(register.this, "注册失败"+e.getMessage(), Toast.LENGTH_LONG).show();
                                                            }
                                                        }
                                                    });

                                                }
                                                else if(flag==0){


                                                    user.setType("teacher");
                                                    user.setUsername(phoneNum);
                                                    user.setPassword(pass);
                                                    user.setMobilePhoneNumberVerified(true);
                                                    user.setMobilePhoneNumber(phoneNum);
                                                    user.signUp(new SaveListener<User>() {
                                                        @Override
                                                        public void done(User user, BmobException e) {
                                                            if(e==null){
                                                                Toast.makeText(register.this, "注册成功", Toast.LENGTH_SHORT).show();
                                                                startActivity(new Intent(register.this,teacherinterface.class));
                                                            }
                                                            else {
                                                                Toast.makeText(register.this, "注册失败"+e.getMessage(), Toast.LENGTH_LONG).show();
                                                            }
                                                        }
                                                    });




                                                }


                                                Toast.makeText(register.this,"注册成功",Toast.LENGTH_SHORT).show();
                                            }
                                            else{
                                                Toast.makeText(register.this, "出问题了呢", Toast.LENGTH_SHORT).show();
                                            }
                                        }

                                    }
                                });



                            }
                        });
                    }else if (event == SMSSDK.EVENT_GET_VOICE_VERIFICATION_CODE){
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                Toast.makeText(register.this,"语音验证发送",Toast.LENGTH_SHORT).show();
                            }
                        });
                    }
                    else if (event == SMSSDK.EVENT_GET_VERIFICATION_CODE){
                        //获取验证码成功
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                Toast.makeText(register.this,"验证码已发送",Toast.LENGTH_SHORT).show();
                            }
                        });
                    }else if (event == SMSSDK.EVENT_GET_SUPPORTED_COUNTRIES){
                        Log.i("test","test");
                    }
                }else{
                    ((Throwable)data).printStackTrace();
                    Throwable throwable = (Throwable) data;
                    throwable.printStackTrace();
                    Log.i("1234",throwable.toString());
                    try {
                        JSONObject obj = new JSONObject(throwable.getMessage());
                        final String des = obj.optString("detail");
                        if (!TextUtils.isEmpty(des)){
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    Toast.makeText(register.this,des,Toast.LENGTH_SHORT).show();
                                }
                            });
                        }
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }
            }
        };

        //注册一个事件回调监听，用于处理SMSSDK接口请求的结果
        SMSSDK.registerEventHandler(eh);
        buttonCode.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                phoneNum = editTextPhoneNum.getText().toString();
                pass=editPassword.getText().toString().trim();
                if(!phoneNum.isEmpty()){

                    if(Utils.checkTel(phoneNum)){ //利用正则表达式获取检验手机号
                        // 获取验证码
                        if(!pass.isEmpty()){
                            if(Utils.checkPssword(pass)){
                                SMSSDK.getVerificationCode("86", phoneNum);
                            }
                            else {
                                Toast.makeText(register.this, "请输入符合要求的密码", Toast.LENGTH_SHORT).show();
                            }
                        }
                        else {
                            Toast.makeText(register.this, "请输入密码", Toast.LENGTH_SHORT).show();
                        }

                    }else{
                        Toast.makeText(getApplicationContext(),"请输入有效的手机号",Toast.LENGTH_LONG).show();
                    }
                }else {
                    Toast.makeText(getApplicationContext(),"请输入手机号",Toast.LENGTH_LONG).show();
                    return;
                }
                phoneNum = editTextPhoneNum.getText().toString();
            }
        });
        buttonLoginStudent.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                code = editTextCode.getText().toString();
                if(!code.isEmpty()){
                    //提交验证码
                    SMSSDK.submitVerificationCode("86", phoneNum, code);
                }else{
                    Toast.makeText(getApplicationContext(),"请输入验证码",Toast.LENGTH_LONG).show();
                    return;
                }
            }
        });
        buttonLoginTeacher.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                code = editTextCode.getText().toString();
                if(!code.isEmpty()){
                    //提交验证码
                    flag=0;//老师按钮
                    SMSSDK.submitVerificationCode("86", phoneNum, code);
                }else{
                    Toast.makeText(getApplicationContext(),"请输入验证码",Toast.LENGTH_LONG).show();
                    return;
                }
            }
        });
    }

    private void initview() {
//        private Button buttonCode,buttonLoginStudent,buttonLoginTeacher;
//        private EditText editTextPhoneNum,editTextCode,editPassword;
        buttonCode=findViewById(R.id.register_getVerify);
        buttonLoginStudent=findViewById(R.id.loginButtonsStudent);
        buttonLoginTeacher=findViewById(R.id.loginButtonTeacher);
        editTextPhoneNum=findViewById(R.id.register_phoneNumber);
        editPassword=findViewById(R.id.register_setPassword);
        editTextCode=findViewById(R.id.register_verifyCode);
    }

    // 使用完EventHandler需注销，否则可能出现内存泄漏
    @Override
    protected void onDestroy() {
        super.onDestroy();
        SMSSDK.unregisterEventHandler(eh);
    }
}

　　

package com.example.shazidouhuiapp.activity;

import android.content.Intent;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import androidx.appcompat.app.AppCompatActivity;

import com.example.shazidouhuiapp.Bean.User;
import com.example.shazidouhuiapp.R;
import com.example.shazidouhuiapp.Util.Utils;

import org.json.JSONException;
import org.json.JSONObject;

import cn.bmob.v3.BmobQuery;
import cn.bmob.v3.BmobUser;
import cn.bmob.v3.exception.BmobException;
import cn.bmob.v3.listener.SaveListener;
import cn.bmob.v3.listener.UpdateListener;
import cn.smssdk.EventHandler;
import cn.smssdk.SMSSDK;

public class resetPassword extends AppCompatActivity {
    private Button buttonCode,buttonLogin;
    private EditText editTextPhoneNum,editTextCode,editPassword;
    private String phoneNum,code,pass,oldpass;
    private EventHandler eh;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_passwordreset);
        initview();

        eh = new EventHandler() {
            @Override
            public void afterEvent(int event, int result, Object data) {
                if (result == SMSSDK.RESULT_COMPLETE){
                    //回调完成
                    if (event == SMSSDK.EVENT_SUBMIT_VERIFICATION_CODE) {
                        //提交验证码成功
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                pass=editPassword.getText().toString().trim();;
                                phoneNum=editTextPhoneNum.getText().toString().trim();
                                BmobUser user=new BmobUser();
                                user.setUsername(phoneNum);
                                user.setPassword(pass);
                                user.update(new UpdateListener() {
                                    @Override
                                    public void done(BmobException e) {
                                        if(e==null){
                                            Toast.makeText(resetPassword.this, "修改成功", Toast.LENGTH_SHORT).show();
                                            startActivity(new Intent(resetPassword.this,splash.class));

                                        }
                                        else{
                                            Toast.makeText(resetPassword.this, "修改失败"+e.getMessage(), Toast.LENGTH_LONG).show();
                                        }
                                    }
                                });
                            }
                        });
                    }else if (event == SMSSDK.EVENT_GET_VOICE_VERIFICATION_CODE){
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                Toast.makeText(resetPassword.this,"语音验证发送",Toast.LENGTH_SHORT).show();
                            }
                        });
                    }
                    else if (event == SMSSDK.EVENT_GET_VERIFICATION_CODE){
                        //获取验证码成功
                        runOnUiThread(new Runnable() {
                            @Override
                            public void run() {
                                Toast.makeText(resetPassword.this,"验证码已发送",Toast.LENGTH_SHORT).show();
                            }
                        });
                    }else if (event == SMSSDK.EVENT_GET_SUPPORTED_COUNTRIES){
                        Log.i("test","test");
                    }
                }else{
                    ((Throwable)data).printStackTrace();
                    Throwable throwable = (Throwable) data;
                    throwable.printStackTrace();
                    Log.i("1234",throwable.toString());
                    try {
                        JSONObject obj = new JSONObject(throwable.getMessage());
                        final String des = obj.optString("detail");
                        if (!TextUtils.isEmpty(des)){
                            runOnUiThread(new Runnable() {
                                @Override
                                public void run() {
                                    Toast.makeText(resetPassword.this,des,Toast.LENGTH_SHORT).show();
                                }
                            });
                        }
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                }
            }
        };

        //注册一个事件回调监听，用于处理SMSSDK接口请求的结果
        SMSSDK.registerEventHandler(eh);
        buttonCode.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                phoneNum = editTextPhoneNum.getText().toString();
                pass=editPassword.getText().toString();
                if(!phoneNum.isEmpty()){
                    if(Utils.checkTel(phoneNum)){ //利用正则表达式获取检验手机号
                        // 获取验证码
                        if(!pass.isEmpty()){

                                if(Utils.checkPssword(pass)){

                                    SMSSDK.getVerificationCode("86", phoneNum);
                                }
                                else {
                                    Toast.makeText(resetPassword.this, "请输入符合要求的密码", Toast.LENGTH_SHORT).show();
                                }
                        }
                        else {
                            Toast.makeText(resetPassword.this, "请输入密码", Toast.LENGTH_SHORT).show();
                        }

                    }else{
                        Toast.makeText(getApplicationContext(),"请输入有效的手机号",Toast.LENGTH_LONG).show();
                    }
                }else {
                    Toast.makeText(getApplicationContext(),"请输入手机号",Toast.LENGTH_LONG).show();
                    return;
                }
                phoneNum = editTextPhoneNum.getText().toString();

            }
        });
        buttonLogin.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                code = editTextCode.getText().toString();

                if(!code.isEmpty()){
                    //提交验证码
                    SMSSDK.submitVerificationCode("86", phoneNum, code);
                }else{
                    Toast.makeText(getApplicationContext(),"请输入验证码",Toast.LENGTH_LONG).show();
                    return;
                }
            }
        });
    }

    private void initview() {
//        private Button buttonCode,buttonLogin;
//        private EditText editTextPhoneNum,editTextCode,editPassword;
        buttonCode=findViewById(R.id.reset_getVerify);
        buttonLogin=findViewById(R.id.resetButton);
        editPassword=findViewById(R.id.newPassword);
        editTextCode=findViewById(R.id.reset_verifyCode);
        editTextPhoneNum=findViewById(R.id.reset_phoneNumber);

    }

    // 使用完EventHandler需注销，否则可能出现内存泄漏
    @Override
    protected void onDestroy() {
        super.onDestroy();
        SMSSDK.unregisterEventHandler(eh);
    }
}

　　

package com.example.shazidouhuiapp.activity;

import android.content.Intent;
import android.os.Bundle;
import android.widget.Toast;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import com.example.shazidouhuiapp.Bean.User;
import com.example.shazidouhuiapp.MainActivity;
import com.example.shazidouhuiapp.R;

import java.util.Timer;
import java.util.TimerTask;

import cn.bmob.v3.Bmob;
import cn.bmob.v3.BmobQuery;
import cn.bmob.v3.BmobUser;
import cn.bmob.v3.exception.BmobException;
import cn.bmob.v3.listener.QueryListener;
import cn.bmob.v3.listener.SaveListener;

public class splash extends AppCompatActivity {
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.splash);
        Timer timer = new Timer();
        timer.schedule(timertask, 2000);
        Bmob.initialize(this,"e575c228703fd6ae7b822919edc18236");
    }

    TimerTask timertask = new TimerTask() {
        @Override
        public void run() {
            BmobUser currentUser = BmobUser.getCurrentUser(User.class);
            //逻辑判断是否登录，登陆了进入对应用户界面
            if (currentUser!=null) {
                String id=currentUser.getObjectId();
                BmobQuery<User> query=new BmobQuery<>();
                query.getObject(id, new QueryListener<User>() {
                    @Override
                    public void done(User user, BmobException e) {
                        if(user.getType().equals("student")){
                            startActivity(new Intent(splash.this, studentinterface.class));
                        }
                        else if(user.getType().equals("teacher")){
                            startActivity(new Intent(splash.this,teacherinterface.class));
                        }
                    }
                });

            }
            else {
//                BmobUser user=new BmobUser();
//                user.setUsername("15159538296");
//                user.setPassword("123456");
//                user.login(new SaveListener<User>() {
//
//                    @Override
//                    public void done(User user, BmobException e) {
//                        startActivity(new Intent(splash.this, studentinterface.class));
//                    }
//                });
                  startActivity(new Intent(splash.this,mobloging.class));
           }

        }
    };
}

　　

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,camera;
    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);
        camera.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent in=new Intent(student_unfinished_receive_question.this,Receivecamera.class);
                in.putExtra("id",id+"");
                in.putExtra("parentid",parent+"");
                startActivity(in);
            }
        });
        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);
        camera=findViewById(R.id.camera);
    }

}

　　

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) {

    }
}

　　

package com.example.shazidouhuiapp.activity;

import android.os.Bundle;
import android.widget.Toast;

import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;

import com.example.shazidouhuiapp.R;

public class teacherinterface extends AppCompatActivity {
    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.teacher);
        Toast.makeText(this, "来到了老师界面", Toast.LENGTH_SHORT).show();
    }
}