zhanghaochen / ParentControl

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Commit 4e0766ff7389dcb31de43b4a00cf88e16b1663fe

Authored by shixianjie 2024-10-08 14:39:13 +0800

1 parent a0aac741c4

Exists in master

反馈完成后回到列表

Showing 4 changed files with 31 additions and 6 deletions Show diff stats

app/src/main/java/com/hjx/parent/HomeworkDetailActivity.java

Diff comments View file @4e0766f

 package com.hjx.parent;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
 import android.widget.ImageView;
 import android.widget.TextView;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import com.bumptech.glide.Glide;
 import com.chad.library.adapter.base.BaseQuickAdapter;
 import com.chad.library.adapter.base.BaseViewHolder;
 import com.hjx.parent.databinding.ActivityHomeworkDetailBinding;
 import com.hjx.parent.dialog.EditHomeworkDialog;
 import com.hjx.parent.rx.BaseRxActivity;
 import com.prws.common.bean.ResponseResult;
 import com.prws.common.bean.Student;
 import com.prws.common.bean.homework.HomeWork;
 import com.prws.common.bean.homework.HomeworkList;
 import com.prws.common.net.NetWorks;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
 public class HomeworkDetailActivity extends BaseRxActivity<ActivityHomeworkDetailBinding> {
     private HomeworkList mData;
     private Student student;
     private Adapter mAdapter = new Adapter();
     private EditHomeworkDialog mDialog;
     @Override
     public void initView(Bundle savedInstanceState) {
         binding.toolbar.setNavigationOnClickListener(v -> onBackPressed());
         mData = (HomeworkList) getIntent().getSerializableExtra("data");
         student = (Student) getIntent().getSerializableExtra("student");
         mDialog = new EditHomeworkDialog(this, mData);
         binding.tvTitle.setText(mData.getName());
         binding.recyclerView.setAdapter(mAdapter);
         getDetail();
         binding.btnFeedback.setOnClickListener(v -> {
             if (mAdapter.getData().size() == 0) return;
             Intent intent = new Intent(this, HomeworkSelectActivity.class);
             intent.putExtra("data", mData);
             intent.putExtra("student", student);
             intent.putExtra("list", new ArrayList<>(mAdapter.getData()));
-            startActivity(intent);
+            startActivityForResult(intent, 0xA01);
         });
         binding.btnEdit.setOnClickListener(v -> mDialog.show(data -> {
             edit(data);
         }));
     }
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == 0xA01 && resultCode == RESULT_OK) {
+            finish();
+        }
+    }
     @SuppressLint("CheckResult")
     private void getDetail() {
         NetWorks.service_url.getHomeworkDetail(NetWorks.getHeader(), mData.getId())
                 .compose(transformSingle())
                 .map(ResponseResult::getData)
                 .subscribe((list, th) -> {
                     if (th != null) th.printStackTrace();
                     mAdapter.setNewData(list);
                 });
     }
     @SuppressLint("CheckResult")
     private void edit(HomeworkList data) {
         Map<String, Object> body = new HashMap<>();
         body.put("homeworkId", data.getId());
         body.put("name", data.getName());
         body.put("grade", data.getGrade());
         body.put("subject", data.getSubject());
         body.put("term", data.getTerm());
         body.put("uploadTime", data.uploadTime);
         showLoadingDialog("请稍等···");
         NetWorks.service_url.editHomework(NetWorks.getHeader(), body)
                 .compose(transformSingle())
                 .subscribe((response, th) -> {
                     if (th != null) th.printStackTrace();
                     if (response != null && response.getSuccess()) {
                         cancelLoadingDialog();
                         binding.tvTitle.setText(data.getName());
                     } else {
                         loadFail(response == null ? "" : response.getMsg());
                     }
                 });
     }
     @Override
     protected ActivityHomeworkDetailBinding getViewBinding() {
         return ActivityHomeworkDetailBinding.inflate(getLayoutInflater());
     }
     static class Adapter extends BaseQuickAdapter<HomeWork, BaseViewHolder> {
         public Adapter() {
             super(R.layout.item_homework_detail);
         }
         @SuppressLint("SetTextI18n")
         @Override
         protected void convert(@NonNull BaseViewHolder holder, HomeWork homeWork) {
             TextView tvNumber = holder.getView(R.id.tvNumber);
             ImageView imageView = holder.getView(R.id.ivTopic);
             int number = getData().indexOf(homeWork) + 1;
             tvNumber.setText("第" + number + "题");
             Glide.with(mContext).load(homeWork.url).into(imageView);
         }
     }
 }

app/src/main/java/com/hjx/parent/HomeworkFeedbackActivity.java

Diff comments View file @4e0766f

 package com.hjx.parent;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.RadioButton;
 import android.widget.Toast;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import com.bumptech.glide.Glide;
 import com.chad.library.adapter.base.BaseQuickAdapter;
 import com.chad.library.adapter.base.BaseViewHolder;
 import com.google.android.flexbox.FlexboxLayoutManager;
 import com.google.gson.Gson;
 import com.hjx.parent.databinding.ActivityHomeworkFeedbackBinding;
 import com.hjx.parent.rx.BaseRxActivity;
 import com.prws.common.bean.Student;
 import com.prws.common.bean.homework.Correction;
 import com.prws.common.bean.homework.CorrectionPoint;
 import com.prws.common.bean.homework.HomeWork;
 import com.prws.common.bean.homework.HomeworkList;
 import com.prws.common.bean.homework.KeyValue;
 import com.prws.common.net.NetWorks;
 import java.text.DecimalFormat;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 public class HomeworkFeedbackActivity extends BaseRxActivity<ActivityHomeworkFeedbackBinding> {
     private Student student;
     private HomeworkList mData;
     private ArrayList<HomeWork> mList;
     private List<Correction> corrections = new ArrayList<>();
     @SuppressWarnings("unchecked")
     @Override
     public void initView(Bundle savedInstanceState) {
         binding.toolbar.setNavigationOnClickListener(v -> onBackPressed());
         student = (Student) getIntent().getSerializableExtra("student");
         mData = (HomeworkList) getIntent().getSerializableExtra("data");
         mList = (ArrayList<HomeWork>) getIntent().getSerializableExtra("list");
         binding.tvStuName.setText(student.stuName);
         binding.tvGrade.setText(student.grade);
         List<HomeWork> errorList = new ArrayList<>();
         int correctNo = 0;
         for (HomeWork homeWork: mList) {
             homeWork.state = 1;
             homeWork.index = mList.indexOf(homeWork);
             corrections.add(new Correction(homeWork.brief, homeWork.check ? 1 : 0));
             if (!homeWork.check) correctNo ++;
             else errorList.add(homeWork);
         }
         binding.tvPercent.setText(new DecimalFormat("0%").format(1f * correctNo / mList.size()));
         binding.rvCorrect.setLayoutManager(new FlexboxLayoutManager(this));
         NumberAdapter numberAdapter = new NumberAdapter(mList);
         binding.rvCorrect.setAdapter(numberAdapter);
         binding.rvError.setVisibility(errorList.isEmpty() ? View.GONE : View.VISIBLE);
         binding.rvError.setAdapter(new EvalAdapter(errorList));
         binding.btnDetail.setOnClickListener(v -> {
             viewTopicDetail(0);
         });
         numberAdapter.setOnItemClickListener((baseQuickAdapter, view, i) -> {
             viewTopicDetail(i);
         });
         binding.btnPublish.setOnClickListener(v -> submit());
     }
     private void viewTopicDetail(int position) {
         Intent intent = new Intent(this, HomeworkTopicActivity.class);
         intent.putExtra("list", mList);
         intent.putExtra("position", position);
         startActivity(intent);
     }
     @SuppressLint("CheckResult")
     private void submit() {
         Map<String, Object> body = new HashMap<>();
         body.put("homeworkId", mData.getId());
         body.put("comment", binding.etComment.getText().toString());
         body.put("stuId", student.stuId);
         body.put("points", countPoint());
         body.put("correctionList", corrections);
         NetWorks.service_url.uploadHomeworkFeedback(NetWorks.getHeader(), body)
                 .compose(transformSingle())
                 .subscribe((response, th) -> {
                     if (th != null) th.printStackTrace();
                     if (response != null && response.getSuccess()) {
                         // TODO
                         Toast.makeText(this, "反馈成功", Toast.LENGTH_SHORT).show();
+                        setResult(RESULT_OK);
+                        finish();
                     }
                 });
     }
     @SuppressLint("CheckResult")
     private List<CorrectionPoint> countPoint() {
         Set<KeyValue> set = new HashSet<>();
         Map<String, Integer> totalTimes = new HashMap<>();
         Map<String, Integer> correctTimes = new HashMap<>();
         Map<String, Integer> underTimes = new HashMap<>();
         Map<String, Integer> baseTimes = new HashMap<>();
         Map<String, Integer> normalTimes = new HashMap<>();
         Gson gson = new Gson();
         for (HomeWork homeWork: mList) {
             homeWork.formatPoints(gson);
             set.addAll(homeWork.pointsObj);
             for (KeyValue keyValue: homeWork.pointsObj) {
                 String key = keyValue.Key;
                 if (totalTimes.containsKey(key)) {
                     totalTimes.put(key, totalTimes.get(key) + 1);
                 } else {
                     totalTimes.put(key, 1);
                 }
                 if (!homeWork.check) {
                     if (correctTimes.containsKey(key)) {
                         correctTimes.put(key, correctTimes.get(key) + 1);
                     } else {
                         correctTimes.put(key, 1);
                     }
                 } else if (homeWork.state == 1) {
                     if (underTimes.containsKey(key)) {
                         underTimes.put(key, underTimes.get(key) + 1);
                     } else {
                         underTimes.put(key, 1);
                     }
                 } else if (homeWork.state == 2) {
                     if (baseTimes.containsKey(key)) {
                         baseTimes.put(key, baseTimes.get(key) + 1);
                     } else {
                         baseTimes.put(key, 1);
                     }
                 } else if (homeWork.state == 3) {
                     if (normalTimes.containsKey(key)) {
                         normalTimes.put(key, normalTimes.get(key) + 1);
                     } else {
                         normalTimes.put(key, 1);
                     }
                 }
             }
         }
         List<CorrectionPoint> points = new ArrayList<>();
         for (KeyValue obj: set) {
             CorrectionPoint point = new CorrectionPoint();
             point.pointId = obj.Key;
             point.pointName = obj.Value;
             point.totalCount = ifNull(totalTimes.get(obj.Key), 1);
             point.correctCount = ifNull(correctTimes.get(obj.Key), 0);
             point.understandCount = ifNull(underTimes.get(obj.Key), 0);
             point.basicCount = ifNull(baseTimes.get(obj.Key), 0);
             point.normalCount = ifNull(normalTimes.get(obj.Key), 0);
             points.add(point);
         }
         return points;
     }
     private int ifNull(Integer src, int defaultVal) {
         if (src == null) return defaultVal;
         else return src;
     }
     @Override
     protected ActivityHomeworkFeedbackBinding getViewBinding() {
         return ActivityHomeworkFeedbackBinding.inflate(getLayoutInflater());
     }
     static class NumberAdapter extends BaseQuickAdapter<HomeWork, BaseViewHolder> {
         public NumberAdapter(List<HomeWork> list) {
             super(R.layout.item_feedback_num, list);
         }
         @Override
         protected void convert(@NonNull BaseViewHolder holder, HomeWork homeWork) {
             int position = getData().indexOf(homeWork);
             holder.setText(R.id.tvNum, String.valueOf(position + 1));
             if (homeWork.check) {
                 holder.setImageResource(R.id.ivType, R.drawable.ic_wrong_small);
             } else {
                 holder.setImageResource(R.id.ivType, R.drawable.ic_correct_small);
             }
         }
     }
     static class EvalAdapter extends BaseQuickAdapter<HomeWork, BaseViewHolder> {
         public EvalAdapter(@Nullable List<HomeWork> data) {
             super(R.layout.item_homework_eval, data);
         }
         @Override
         protected void convert(@NonNull BaseViewHolder holder, HomeWork homeWork) {
             holder.itemView.setClipToOutline(true);
             holder.setText(R.id.tvNo, "题目" + (homeWork.index + 1));
             ImageView iv = holder.getView(R.id.ivTopic);
             Glide.with(mContext).load(homeWork.url).into(iv);
             RadioButton chk1 = holder.getView(R.id.chk1);
             RadioButton chk2 = holder.getView(R.id.chk2);
             RadioButton chk3 = holder.getView(R.id.chk3);
             chk1.setOnCheckedChangeListener((v, b) -> {
                 if (b) {
                     homeWork.state = 1;
                 }
             });
             chk2.setOnCheckedChangeListener((v, b) -> {
                 if (b) {
                     homeWork.state = 2;
                 }
             });
             chk3.setOnCheckedChangeListener((v, b) -> {
                 if (b) {
                     homeWork.state = 3;
                 }
             });
             chk1.setChecked(homeWork.state == 1);
             chk2.setChecked(homeWork.state == 2);
             chk3.setChecked(homeWork.state == 3);
         }
     }
 }

app/src/main/java/com/hjx/parent/HomeworkSelectActivity.java

Diff comments View file @4e0766f

 package com.hjx.parent;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.content.res.ColorStateList;
 import android.os.Bundle;
 import android.view.View;
 import android.widget.CheckBox;
 import android.widget.ImageView;
 import android.widget.TextView;
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.lifecycle.MutableLiveData;
 import com.bumptech.glide.Glide;
 import com.chad.library.adapter.base.BaseQuickAdapter;
 import com.chad.library.adapter.base.BaseViewHolder;
 import com.hjx.parent.databinding.ActivityHomeworkSelectBinding;
 import com.hjx.parent.function.Function1;
 import com.hjx.parent.rx.BaseRxActivity;
 import com.prws.common.bean.Student;
 import com.prws.common.bean.homework.HomeWork;
 import com.prws.common.bean.homework.HomeworkList;
 import java.util.ArrayList;
 public class HomeworkSelectActivity extends BaseRxActivity<ActivityHomeworkSelectBinding> {
     private Student student;
     private HomeworkList mData;
     private ArrayList<HomeWork> mList;
     private Adapter mAdapter = new Adapter();
     MutableLiveData<Integer> selectNum = new MutableLiveData<>(0);
     @SuppressLint("NotifyDataSetChanged")
     @SuppressWarnings("unchecked,ConstantConditions")
     @Override
     public void initView(Bundle savedInstanceState) {
         binding.toolbar.setNavigationOnClickListener(v -> onBackPressed());
         student = (Student) getIntent().getSerializableExtra("student");
         mData = (HomeworkList) getIntent().getSerializableExtra("data");
         mList = (ArrayList<HomeWork>) getIntent().getSerializableExtra("list");
         mAdapter.setNewData(mList);
         binding.recyclerView.setAdapter(mAdapter);
         mAdapter.selectCall = i -> selectNum.setValue(selectNum.getValue() + i);
         selectNum.observe(this, i -> {
             binding.tvNumber.setText(String.valueOf(i));
             if (i == 0) {
                 binding.btnConfirm.setText("作业全对");
                 binding.btnConfirm.setBackgroundTintList(ColorStateList.valueOf(0xFF4ABC78));
             } else {
                 binding.btnConfirm.setText("下一步");
                 binding.btnConfirm.setBackgroundTintList(ColorStateList.valueOf(0xFF1C90F3));
             }
             binding.chkAll.setChecked(i == mList.size() && i != 0);
         });
         binding.chkAll.setOnClickListener(v -> {
             if (mList.size() == 0) return;
             boolean b = binding.chkAll.isChecked();
             for (HomeWork item: mList) {
                 item.check = b;
             }
             selectNum.setValue(b ? mList.size() : 0);
             mAdapter.notifyDataSetChanged();
         });
         binding.btnConfirm.setOnClickListener(v -> {
             Intent intent = new Intent(this, HomeworkFeedbackActivity.class);
             intent.putExtra("data", mData);
             intent.putExtra("list", mList);
             intent.putExtra("student", student);
-            startActivity(intent);
+            startActivityForResult(intent, 0xA01);
         });
     }
     @Override
+    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (requestCode == 0xA01 && resultCode == RESULT_OK) {
+            setResult(RESULT_OK);
+            finish();
+        }
+    }
+    @Override
     protected ActivityHomeworkSelectBinding getViewBinding() {
         return ActivityHomeworkSelectBinding.inflate(getLayoutInflater());
     }
     static class Adapter extends BaseQuickAdapter<HomeWork, BaseViewHolder> {
         public Adapter() {
             super(R.layout.item_homework_detail);
         }
         public Function1<Integer> selectCall;
         @SuppressLint("SetTextI18n")
         @Override
         protected void convert(@NonNull BaseViewHolder holder, HomeWork homeWork) {
             TextView tvNumber = holder.getView(R.id.tvNumber);
             ImageView imageView = holder.getView(R.id.ivTopic);
             int number = getData().indexOf(homeWork) + 1;
             tvNumber.setText("第" + number + "题");
             Glide.with(mContext).load(homeWork.url).into(imageView);
             CheckBox checkBox = holder.getView(R.id.checkbox);
             checkBox.setVisibility(View.VISIBLE);
             checkBox.setOnCheckedChangeListener(null);
             checkBox.setChecked(homeWork.check);
             holder.itemView.setOnClickListener(v -> checkBox.performClick());
             checkBox.setOnCheckedChangeListener((v, b) -> {
                 homeWork.check = b;
                 if (selectCall != null) {
                     selectCall.invoke(b ? 1 : -1);
                 }
             });
         }
     }
 }

app/src/main/java/com/hjx/parent/StuHomeworkActivity.java

Diff comments View file @4e0766f

 package com.hjx.parent;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
 import android.widget.LinearLayout;
 import android.widget.PopupWindow;
 import androidx.annotation.Nullable;
 import androidx.lifecycle.MutableLiveData;
 import com.google.gson.Gson;
 import com.hjx.parent.adapter.HomeworkListAdapter;
 import com.hjx.parent.databinding.ActivityStudentHomeworkBinding;
 import com.hjx.parent.databinding.PopupFilterFeedbackBinding;
 import com.hjx.parent.databinding.PopupFilterGradeBinding;
 import com.hjx.parent.databinding.PopupFilterSubjectBinding;
 import com.hjx.parent.databinding.PopupFilterTermBinding;
 import com.hjx.parent.dialog.MsgConfirmDialog;
 import com.hjx.parent.rx.BaseRxActivity;
 import com.prws.common.bean.Student;
 import com.prws.common.bean.homework.HomeworkList;
 import com.prws.common.net.NetWorks;
 import com.prws.common.utils.SharedPreferencesUtil;
 import com.trello.rxlifecycle2.android.RxLifecycleAndroid;
 import java.util.Collections;
 import io.reactivex.Observable;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.schedulers.Schedulers;
 public class StuHomeworkActivity extends BaseRxActivity<ActivityStudentHomeworkBinding> {
     private final HomeworkListAdapter homeworkAdapter = new HomeworkListAdapter();
     PopupWindow subjectFilter, gradeFilter, termFilter, feedbackFilter;
     MsgConfirmDialog deleteDialog;
     State state = new State();
     private void handlerIntent() {
         String json = getIntent().getStringExtra("studentJson");
         if (json == null) json = (String) SharedPreferencesUtil.getData("student", "");
         try { state.student = new Gson().fromJson(json, Student.class); }
         catch (Throwable t) { t.printStackTrace(); }
     }
     @SuppressLint("SetTextI18n")
     @Override
     public void initView(Bundle savedInstanceState) {
         handlerIntent();
         if (state.student == null) {
             finish();
             return;
         }
         binding.toolbar.setNavigationOnClickListener(v -> onBackPressed());
         binding.tvTitle.setText(state.student.stuName + "的全部作业");
         binding.recyclerView.setAdapter(homeworkAdapter);
         binding.ftSubject.setOnClickListener(v -> showSubjectFilter());
         binding.ftGrade.setOnClickListener(v -> showGradeFilter());
         binding.ftTerm.setOnClickListener(v -> showTermFilter());
         binding.ftFeedback.setOnClickListener(v -> showFeedbackFilter());
         homeworkAdapter.deleteCall = data -> {
             if (deleteDialog == null) {
                 deleteDialog = new MsgConfirmDialog.Builder(this)
                         .setMessage("确认要删除吗？一旦删除不可恢复")
                         .setPositive("暂不删除")
                         .setNegative("确定删除")
                         .build();
             }
             deleteDialog.show(() -> {
                 deleteHomework(data);
                 return true;
             }, null);
         };
         homeworkAdapter.detailCall = data -> {
-            Intent intent = new Intent(this, HomeworkDetailActivity.class);
+            if (data.getRight() == null) {
-            intent.putExtra("data", data);
+                Intent intent = new Intent(this, HomeworkDetailActivity.class);
-            intent.putExtra("student", state.student);
+                intent.putExtra("data", data);
-            startActivity(intent);
+                intent.putExtra("student", state.student);
+                startActivity(intent);
+            } else {
+                // TODO
+            }
         };
         binding.btnChangeStudent.setOnClickListener(v -> {
             Intent intent = new Intent(this, TeacherChooseActivity.class);
             intent.putExtra("needBack", true);
             startActivityForResult(intent, 0xA01);
          });
     }
     @Override
     protected void onStart() {
         super.onStart();
         getHomework();
     }
     @SuppressLint("SetTextI18n")
     @Override
     protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
         if (requestCode == 0xA01 && resultCode == RESULT_OK) {
             String json = (String) SharedPreferencesUtil.getData("student", "");
             try {
                 state.student = new Gson().fromJson(json, Student.class);
                 binding.tvTitle.setText(state.student.stuName + "的全部作业");
                 getHomework();
             }
             catch (Throwable t) { t.printStackTrace(); }
         }
     }
     @SuppressLint("CheckResult")
     protected void deleteHomework(HomeworkList data) {
         NetWorks.service_url.deleteHomework(NetWorks.getHeader(), data.getId())
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
                 .compose(RxLifecycleAndroid.bindActivity(getRxLifecycle()))
                 .subscribe((response, th) -> {
                     if (th != null) th.printStackTrace();
                     if (response != null && response.getSuccess()) {
                         getHomework();
                     }
                 });
     }
     @SuppressLint("CheckResult")
     protected void getHomework() {
         NetWorks.service_url.getStudentHomework(NetWorks.getHeader(), state.student.stuId)
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
                 .compose(RxLifecycleAndroid.bindActivity(getRxLifecycle()))
                 .toObservable()
                 .flatMap(response -> Observable.fromIterable(response.getData()))
                 // 过滤
                 .filter(data -> { // 学科
                     String subject = state.subject.getValue();
                     if (subject == null || subject.isEmpty()) return true;
                     else return subject.equals(data.getSubject());
                 })
                 .filter(data -> { // 年级
                     String grade = state.grade.getValue();
                     if (grade == null || grade.isEmpty()) return true;
                     else return grade.equals(data.getGrade());
                 })
                 .filter(data -> { // 学期
                     String term = state.term.getValue();
                     if (term == null || term.isEmpty()) return true;
                     else return term.equals(data.getTerm());
                 })
                 .filter(data -> { // 反馈
                     Integer feedback = state.feedback.getValue();
                     if (feedback == null || feedback == 0) return true;
                     else return (feedback == 1 && data.getRight() != null) || (feedback == 2 && data.getRight() == null);
                 })
                 // 过滤完成, 收集
                 .toList()
                 .subscribe((data, th) -> {
                     if (th != null) th.printStackTrace();
                     if (data != null) {
                         Collections.sort(data);
                     }
                     homeworkAdapter.setNewData(data);
                 });
     }
     private void showSubjectFilter() {
         if (subjectFilter == null) {
             PopupFilterSubjectBinding db = PopupFilterSubjectBinding.inflate(getLayoutInflater());
             db.setLifecycleOwner(this);
             db.setState(state);
             db.bg.setOnClickListener(v -> subjectFilter.dismiss());
             subjectFilter = new PopupWindow(db.getRoot(), LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
             subjectFilter.setOutsideTouchable(true);
             subjectFilter.setOnDismissListener(this::getHomework);
         }
         subjectFilter.showAsDropDown(binding.anchorView);
     }
     private void showGradeFilter() {
         if (gradeFilter == null) {
             PopupFilterGradeBinding db = PopupFilterGradeBinding.inflate(getLayoutInflater());
             db.setLifecycleOwner(this);
             db.setState(state);
             db.bg.setOnClickListener(v -> gradeFilter.dismiss());
             gradeFilter = new PopupWindow(db.getRoot(), LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
             gradeFilter.setOutsideTouchable(true);
             gradeFilter.setOnDismissListener(this::getHomework);
         }
         gradeFilter.showAsDropDown(binding.anchorView);
     }
     private void showTermFilter() {
         if (termFilter == null) {
             PopupFilterTermBinding db = PopupFilterTermBinding.inflate(getLayoutInflater());
             db.setLifecycleOwner(this);
             db.setState(state);
             db.bg.setOnClickListener(v -> termFilter.dismiss());
             termFilter = new PopupWindow(db.getRoot(), LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
             termFilter.setOutsideTouchable(true);
             termFilter.setOnDismissListener(this::getHomework);
         }
         termFilter.showAsDropDown(binding.anchorView);
     }
     private void showFeedbackFilter() {
         if (feedbackFilter == null) {
             PopupFilterFeedbackBinding db = PopupFilterFeedbackBinding.inflate(getLayoutInflater());
             db.setLifecycleOwner(this);
             db.setState(state);
             db.bg.setOnClickListener(v -> feedbackFilter.dismiss());
             feedbackFilter = new PopupWindow(db.getRoot(), LinearLayout.LayoutParams.MATCH_PARENT, LinearLayout.LayoutParams.WRAP_CONTENT);
             feedbackFilter.setOutsideTouchable(true);
             feedbackFilter.setOnDismissListener(this::getHomework);
         }
         feedbackFilter.showAsDropDown(binding.anchorView);
     }
     @Override
     protected ActivityStudentHomeworkBinding getViewBinding() {
         return ActivityStudentHomeworkBinding.inflate(getLayoutInflater());
     }
     public static class State {
         public Student student;
         public MutableLiveData<String> subject = new MutableLiveData<>("");
         public void setSubject(String value) {
             subject.setValue(value);
         }
         public MutableLiveData<String> grade = new MutableLiveData<>("");
         public void setGrade(String value) {
             grade.setValue(value);
         }
         public MutableLiveData<String> term = new MutableLiveData<>("");
         public void setTerm(String value) {
             term.setValue(value);
         }
         //0:全部, 1: 已反馈, 2:未反馈
         public MutableLiveData<Integer> feedback = new MutableLiveData<>(0);
         public void setFeedback(int value) {
             feedback.setValue(value);
         }
     }
 }