zhanghaochen / ParentControl

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package com.hjx.parent.fragment;

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package com.hjx.parent.fragment;

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import static android.app.Activity.RESULT_OK;

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import static android.app.Activity.RESULT_OK;

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import android.annotation.SuppressLint;

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import android.annotation.SuppressLint;

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import android.content.Intent;

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import android.content.Intent;

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import android.graphics.Bitmap;

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import android.graphics.Bitmap;

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import android.graphics.BitmapFactory;

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import android.graphics.BitmapFactory;

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import android.net.Uri;

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import android.net.Uri;

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import android.os.Bundle;

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import android.os.Bundle;

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import android.provider.MediaStore;

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import android.provider.MediaStore;

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import android.text.TextUtils;

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import android.text.TextUtils;

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import android.util.Log;

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import android.util.Log;

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import android.view.LayoutInflater;

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import android.view.LayoutInflater;

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import android.view.View;

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import android.view.View;

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import android.view.ViewGroup;

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import android.view.ViewGroup;

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import android.widget.Toast;

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import android.widget.Toast;

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import androidx.annotation.NonNull;

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import androidx.annotation.NonNull;

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import androidx.annotation.Nullable;

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import androidx.annotation.Nullable;

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import androidx.core.content.FileProvider;

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import androidx.core.content.FileProvider;

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import androidx.recyclerview.widget.RecyclerView;

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import androidx.recyclerview.widget.RecyclerView;

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import com.bumptech.glide.Glide;

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import com.bumptech.glide.Glide;

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import com.bumptech.glide.load.resource.bitmap.RoundedCorners;

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import com.bumptech.glide.load.resource.bitmap.RoundedCorners;

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import com.bumptech.glide.request.RequestOptions;

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import com.bumptech.glide.request.RequestOptions;

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import com.chad.library.adapter.base.BaseQuickAdapter;

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import com.chad.library.adapter.base.BaseQuickAdapter;

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import com.chad.library.adapter.base.BaseViewHolder;

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import com.chad.library.adapter.base.BaseViewHolder;

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import com.google.android.material.tabs.TabLayout;

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import com.google.android.material.tabs.TabLayout;

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import com.google.gson.Gson;

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import com.google.gson.Gson;

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import com.hjq.permissions.OnPermissionCallback;

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import com.hjq.permissions.OnPermissionCallback;

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import com.hjq.permissions.Permission;

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import com.hjq.permissions.Permission;

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import com.hjq.permissions.XXPermissions;

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import com.hjq.permissions.XXPermissions;

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import com.hjx.parent.ErrorListActivity;

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import com.hjx.parent.ErrorListActivity;

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import com.hjx.parent.ImageActivity;

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import com.hjx.parent.ImageActivity;

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import com.hjx.parent.R;

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import com.hjx.parent.R;

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import com.hjx.parent.TeacherChooseActivity;

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import com.hjx.parent.TeacherChooseActivity;

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import com.hjx.parent.adapter.ErrorAdapter;

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import com.hjx.parent.adapter.ErrorAdapter;

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import com.hjx.parent.adapter.HomeworkAdapter;

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import com.hjx.parent.adapter.HomeworkAdapter;

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import com.hjx.parent.bean.StudentBean;

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import com.hjx.parent.bean.StudentBean;

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import com.hjx.parent.databinding.FragmentErrorBookBinding;

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import com.hjx.parent.databinding.FragmentErrorBookBinding;

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import com.hjx.parent.rx.BaseRxFragment;

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import com.hjx.parent.rx.BaseRxFragment;

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import com.prws.common.bean.PageInfo;

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import com.prws.common.bean.PageInfo;

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import com.prws.common.bean.ResponseResult;

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import com.prws.common.bean.ResponseResult;

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import com.prws.common.bean.TopicBean;

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import com.prws.common.bean.TopicBean;

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import com.prws.common.net.NetWorks;

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import com.prws.common.net.NetWorks;

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import com.prws.common.utils.BitmapUtils;

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import com.prws.common.utils.BitmapUtils;

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import com.prws.common.utils.CommonUtil;

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import com.prws.common.utils.CommonUtil;

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import com.prws.common.utils.ScreenUtils;

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import com.prws.common.utils.ScreenUtils;

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import com.prws.common.utils.SharedPreferencesUtil;

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import com.prws.common.utils.SharedPreferencesUtil;

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import com.prws.common.utils.dialog.MyButtomDialog;

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import com.prws.common.utils.dialog.MyButtomDialog;

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import com.trello.rxlifecycle2.android.RxLifecycleAndroid;

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import com.trello.rxlifecycle2.android.RxLifecycleAndroid;

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import com.zhangteng.imagepicker.bean.ImageInfo;

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import com.zhangteng.imagepicker.bean.ImageInfo;

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import com.zhangteng.imagepicker.config.ImagePickerConfig;

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import com.zhangteng.imagepicker.config.ImagePickerConfig;

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import com.zhangteng.imagepicker.config.ImagePickerEnum;

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import com.zhangteng.imagepicker.config.ImagePickerEnum;

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import com.zhangteng.imagepicker.config.ImagePickerOpen;

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import com.zhangteng.imagepicker.config.ImagePickerOpen;

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import com.zhangteng.imagepicker.imageloader.GlideImageLoader;

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import com.zhangteng.imagepicker.imageloader.GlideImageLoader;

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import com.zhangteng.utils.IHandlerCallBack;

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import com.zhangteng.utils.IHandlerCallBack;

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import java.io.File;

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import java.io.File;

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import java.util.ArrayList;

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import java.util.ArrayList;

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import java.util.Arrays;

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import java.util.Arrays;

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import java.util.Collections;

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import java.util.HashMap;

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import java.util.HashMap;

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import java.util.List;

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import java.util.List;

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import java.util.Map;

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import java.util.Map;

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import io.reactivex.Observer;

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import io.reactivex.Observer;

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import io.reactivex.android.schedulers.AndroidSchedulers;

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import io.reactivex.android.schedulers.AndroidSchedulers;

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import io.reactivex.disposables.Disposable;

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import io.reactivex.disposables.Disposable;

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import io.reactivex.schedulers.Schedulers;

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import io.reactivex.schedulers.Schedulers;

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public class ErrorFragment extends BaseRxFragment<FragmentErrorBookBinding> {

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public class ErrorFragment extends BaseRxFragment<FragmentErrorBookBinding> {

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StudentBean studentBean;

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StudentBean studentBean;

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private int subject;

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private int subject;

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private ErrorAdapter errorAdapter;

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private ErrorAdapter errorAdapter;

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private HomeworkAdapter homeworkAdapter;

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private HomeworkAdapter homeworkAdapter;

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private String filePath;

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private String filePath;

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@Override

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@Override

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protected FragmentErrorBookBinding onCreateViewBinding(@NonNull LayoutInflater inflater, @Nullable ViewGroup parent) {

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protected FragmentErrorBookBinding onCreateViewBinding(@NonNull LayoutInflater inflater, @Nullable ViewGroup parent) {

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return FragmentErrorBookBinding.inflate(inflater, parent, false);

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return FragmentErrorBookBinding.inflate(inflater, parent, false);

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}

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}

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public void refreshStudent() {

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public void refreshStudent() {

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String student = (String) SharedPreferencesUtil.getData("student", "");

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String student = (String) SharedPreferencesUtil.getData("student", "");

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try {

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try {

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studentBean = new Gson().fromJson(student, StudentBean.class);

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studentBean = new Gson().fromJson(student, StudentBean.class);

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getBinding().tvChoose.setText(studentBean.getStuName());

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getBinding().tvChoose.setText(studentBean.getStuName());

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} catch (Exception e) {

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} catch (Exception e) {

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e.printStackTrace();

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e.printStackTrace();

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}

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}

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}

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}

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@Override

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@Override

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public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {

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public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {

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super.onViewCreated(view, savedInstanceState);

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super.onViewCreated(view, savedInstanceState);

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String photo = (String) SharedPreferencesUtil.getData("photo", "");

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String photo = (String) SharedPreferencesUtil.getData("photo", "");

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if (!TextUtils.isEmpty(photo)) {

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if (!TextUtils.isEmpty(photo)) {

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RoundedCorners roundedCorners = new RoundedCorners(ScreenUtils.dpToPx(getContext(), 45));

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RoundedCorners roundedCorners = new RoundedCorners(ScreenUtils.dpToPx(getContext(), 45));

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RequestOptions options = RequestOptions.bitmapTransform(roundedCorners);

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RequestOptions options = RequestOptions.bitmapTransform(roundedCorners);

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Glide.with(getContext()).load(photo).apply(options).into(getBinding().ivStudent);

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Glide.with(getContext()).load(photo).apply(options).into(getBinding().ivStudent);

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}

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}

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String name = (String) SharedPreferencesUtil.getData("name", "");

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String name = (String) SharedPreferencesUtil.getData("name", "");

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getBinding().tvName.setText(name);

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getBinding().tvName.setText(name);

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refreshStudent();

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refreshStudent();

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getBinding().tvChoose.setOnClickListener(v -> startActivity(new Intent(getContext(), TeacherChooseActivity.class)));

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getBinding().tvChoose.setOnClickListener(v -> startActivity(new Intent(getContext(), TeacherChooseActivity.class)));

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getBinding().rlTakePhoto.setOnClickListener(v -> takePhoto(0));

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getBinding().rlTakePhoto.setOnClickListener(v -> takePhoto(0));

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getBinding().flEntryHomework.setOnClickListener(v -> takePhoto(1));

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getBinding().flEntryHomework.setOnClickListener(v -> takePhoto(1));

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BaseQuickAdapter adapter = new BaseQuickAdapter(R.layout.item_subject, Arrays.asList(getResources().getStringArray(R.array.filter_subject))) {

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BaseQuickAdapter adapter = new BaseQuickAdapter(R.layout.item_subject, Arrays.asList(getResources().getStringArray(R.array.filter_subject))) {

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@Override

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@Override

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public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {

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public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {

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}

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}

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@Override

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@Override

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protected void convert(@NonNull BaseViewHolder item, Object o) {

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protected void convert(@NonNull BaseViewHolder item, Object o) {

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item.setText(R.id.tv_subject, getResources().getStringArray(R.array.filter_subject)[item.getAdapterPosition()]);

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item.setText(R.id.tv_subject, getResources().getStringArray(R.array.filter_subject)[item.getAdapterPosition()]);

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switch (item.getAdapterPosition()) {

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switch (item.getAdapterPosition()) {

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case 0:

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case 0:

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_chinese);

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_chinese);

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break;

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break;

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case 1:

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case 1:

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_math);

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_math);

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break;

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break;

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case 2:

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case 2:

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_english);

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_english);

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break;

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break;

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case 3:

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case 3:

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_physics);

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_physics);

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break;

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break;

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case 4:

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case 4:

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_chemistry);

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item.setImageResource(R.id.iv_subject, R.mipmap.ic_chemistry);

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break;

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break;

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}

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}

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ViewGroup.LayoutParams layoutParams = item.getView(R.id.rl_subject).getLayoutParams();

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ViewGroup.LayoutParams layoutParams = item.getView(R.id.rl_subject).getLayoutParams();

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layoutParams.width = (CommonUtil.getScreenWidth(getContext()) - CommonUtil.dpToPx(getContext(), 30)) / 4;

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layoutParams.width = (CommonUtil.getScreenWidth(getContext()) - CommonUtil.dpToPx(getContext(), 30)) / 4;

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item.getView(R.id.rl_subject).setLayoutParams(layoutParams);

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item.getView(R.id.rl_subject).setLayoutParams(layoutParams);

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item.getConvertView().setOnClickListener(v -> {

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item.getConvertView().setOnClickListener(v -> {

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if (subject != item.getAdapterPosition()) {

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if (subject != item.getAdapterPosition()) {

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subject = item.getAdapterPosition();

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subject = item.getAdapterPosition();

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String subStr = getResources().getStringArray(R.array.filter_subject)[subject];

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String subStr = getResources().getStringArray(R.array.filter_subject)[subject];

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if (binding.tabLayout.getSelectedTabPosition() == 0) {

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if (binding.tabLayout.getSelectedTabPosition() == 0) {

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getError(subStr);

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getError(subStr);

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} else {

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} else {

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// nothing can do

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// nothing can do

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}

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}

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}

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}

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});

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});

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}

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}

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};

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};

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getBinding().rvSubject.setAdapter(adapter);

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getBinding().rvSubject.setAdapter(adapter);

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subject = 0;

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subject = 0;

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getError(getResources().getStringArray(R.array.filter_subject)[subject]);

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getError(getResources().getStringArray(R.array.filter_subject)[subject]);

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getBinding().llAll.setOnClickListener(v -> {

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getBinding().llAll.setOnClickListener(v -> {

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Intent intent = new Intent(getContext(), ErrorListActivity.class);

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Intent intent = new Intent(getContext(), ErrorListActivity.class);

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startActivity(intent);

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startActivity(intent);

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});

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});

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errorAdapter = new ErrorAdapter(getActivity(), new ArrayList<>(), false);

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errorAdapter = new ErrorAdapter(getActivity(), new ArrayList<>(), false);

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homeworkAdapter = new HomeworkAdapter();

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homeworkAdapter = new HomeworkAdapter();

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binding.rvMain.setAdapter(errorAdapter);

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binding.rvMain.setAdapter(errorAdapter);

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binding.tabLayout.addTab(binding.tabLayout.newTab().setText("最近错题"));

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binding.tabLayout.addTab(binding.tabLayout.newTab().setText("最近错题"));

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binding.tabLayout.addTab(binding.tabLayout.newTab().setText("最近作业"));

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binding.tabLayout.addTab(binding.tabLayout.newTab().setText("最近作业"));

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binding.tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {

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binding.tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {

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@Override

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@Override

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public void onTabSelected(TabLayout.Tab tab) {

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public void onTabSelected(TabLayout.Tab tab) {

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if (tab.getPosition() == 0) {

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if (tab.getPosition() == 0) {

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binding.rvMain.setAdapter(errorAdapter);

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binding.rvMain.setAdapter(errorAdapter);

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binding.rvMain.setVisibility(errorAdapter.list.isEmpty() ? View.GONE : View.VISIBLE);

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binding.rvMain.setVisibility(errorAdapter.list.isEmpty() ? View.GONE : View.VISIBLE);

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binding.llEmpty.setVisibility(errorAdapter.list.isEmpty() ? View.VISIBLE : View.GONE);

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binding.llEmpty.setVisibility(errorAdapter.list.isEmpty() ? View.VISIBLE : View.GONE);

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} else {

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} else {

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binding.rvMain.setAdapter(homeworkAdapter);

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binding.rvMain.setAdapter(homeworkAdapter);

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binding.rvMain.setVisibility(View.VISIBLE);

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binding.rvMain.setVisibility(View.VISIBLE);

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binding.llEmpty.setVisibility(View.GONE);

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binding.llEmpty.setVisibility(View.GONE);

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}

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}

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}

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}

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@Override

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@Override

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public void onTabUnselected(TabLayout.Tab tab) {

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public void onTabUnselected(TabLayout.Tab tab) {

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}

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}

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@Override

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@Override

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public void onTabReselected(TabLayout.Tab tab) {

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public void onTabReselected(TabLayout.Tab tab) {

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}

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}

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});

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});

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}

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}

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private void takePhoto(int type) {

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private void takePhoto(int type) {

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if (!XXPermissions.isGranted(getContext(), Permission.CAMERA, Permission.WRITE_EXTERNAL_STORAGE)) {

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if (!XXPermissions.isGranted(getContext(), Permission.CAMERA, Permission.WRITE_EXTERNAL_STORAGE)) {

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XXPermissions.with(getContext())

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XXPermissions.with(getContext())

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// 申请多个权限

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// 申请多个权限

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.permission(Permission.CAMERA).request(new OnPermissionCallback() {

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.permission(Permission.CAMERA).request(new OnPermissionCallback() {

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@Override

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@Override

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public void onGranted(List<String> permissions, boolean all) {

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public void onGranted(List<String> permissions, boolean all) {

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if (all) {

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if (all) {

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//开启扫码界面

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//开启扫码界面

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showButtonDialog(type);

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showButtonDialog(type);

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} else {

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} else {

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Toast.makeText(getContext(), "需要权限", Toast.LENGTH_SHORT).show();

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Toast.makeText(getContext(), "需要权限", Toast.LENGTH_SHORT).show();

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}

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}

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}

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}

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@Override

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@Override

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public void onDenied(List<String> permissions, boolean never) {

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public void onDenied(List<String> permissions, boolean never) {

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XXPermissions.startPermissionActivity(getContext(), permissions);

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XXPermissions.startPermissionActivity(getContext(), permissions);

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}

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}

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});

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});

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} else {

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} else {

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showButtonDialog(type);

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showButtonDialog(type);

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}

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}

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}

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}

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private void showButtonDialog(int type) {

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private void showButtonDialog(int type) {

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MyButtomDialog dialog = new MyButtomDialog(getActivity(), R.style.BottomSheetDialog);

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MyButtomDialog dialog = new MyButtomDialog(getActivity(), R.style.BottomSheetDialog);

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View bottomView = LayoutInflater.from(getActivity()).inflate(R.layout.bottom_sheet_layout, null);

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View bottomView = LayoutInflater.from(getActivity()).inflate(R.layout.bottom_sheet_layout, null);

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dialog.setContentView(bottomView);

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dialog.setContentView(bottomView);

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bottomView.findViewById(R.id.take_photo).setOnClickListener(new View.OnClickListener() {

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bottomView.findViewById(R.id.take_photo).setOnClickListener(new View.OnClickListener() {

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@Override

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@Override

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public void onClick(View view) {

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public void onClick(View view) {

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dialog.dismiss();

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dialog.dismiss();

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Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

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Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

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//确保有相机来处理Intent

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//确保有相机来处理Intent

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filePath = requireActivity().getExternalFilesDir("images").getPath() + "/" + System.currentTimeMillis() + CommonUtil.getStr() + ".jpg";

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filePath = requireActivity().getExternalFilesDir("images").getPath() + "/" + System.currentTimeMillis() + CommonUtil.getStr() + ".jpg";

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File photoFile = new File(filePath);

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File photoFile = new File(filePath);

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//适配Android 7.0文件权限，通过FileProvider创建一个content类型的Uri

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//适配Android 7.0文件权限，通过FileProvider创建一个content类型的Uri

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Uri photoUri = FileProvider.getUriForFile(requireActivity(), "com.hjx.parent.fileprovider", photoFile);

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Uri photoUri = FileProvider.getUriForFile(requireActivity(), "com.hjx.parent.fileprovider", photoFile);

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takePictureIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);

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takePictureIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);

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takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);

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takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);

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startActivityForResult(takePictureIntent, type == 0 ? 0xA01 : 0xA02);

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startActivityForResult(takePictureIntent, type == 0 ? 0xA01 : 0xA02);

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}

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}

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});

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});

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bottomView.findViewById(R.id.choose_photo).setOnClickListener(new View.OnClickListener() {

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bottomView.findViewById(R.id.choose_photo).setOnClickListener(new View.OnClickListener() {

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@Override

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@Override

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public void onClick(View view) {

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public void onClick(View view) {

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dialog.dismiss();

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dialog.dismiss();

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ImagePickerConfig imagePickerConfig = new ImagePickerConfig.Builder().provider(getActivity().getPackageName() + ".fileprovider").imageLoader(new GlideImageLoader()) //图片加载器

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ImagePickerConfig imagePickerConfig = new ImagePickerConfig.Builder().provider(getActivity().getPackageName() + ".fileprovider").imageLoader(new GlideImageLoader()) //图片加载器

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.iHandlerCallBack(new HandlerCallBack(type)) //图片选择器生命周期监听（直接打开摄像头时无效）

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.iHandlerCallBack(new HandlerCallBack(type)) //图片选择器生命周期监听（直接打开摄像头时无效）

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.multiSelect(true) //是否多选

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.multiSelect(true) //是否多选

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.isShowCamera(false).isVideoPicker(false) //是否选择视频默认false

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.isShowCamera(false).isVideoPicker(false) //是否选择视频默认false

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.isImagePicker(true).imagePickerType(ImagePickerEnum.PHOTO_PICKER) //选择器打开类型

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.isImagePicker(true).imagePickerType(ImagePickerEnum.PHOTO_PICKER) //选择器打开类型

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.maxImageSelectable(5) //图片可选择数

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.maxImageSelectable(5) //图片可选择数

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.maxHeight(1920) //图片最大高度

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.maxHeight(1920) //图片最大高度

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.maxWidth(1920) //图片最大宽度

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.maxWidth(1920) //图片最大宽度

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.maxImageSize(3) //图片最大大小Mb

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.maxImageSize(3) //图片最大大小Mb

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.isCrop(false).pathList(new ArrayList<>()).pickerThemeColorRes(R.color.image_picker_white).pickerTitleColorRes(R.color.image_picker_text_black).cropThemeColorRes(R.color.image_picker_white).cropTitleColorRes(R.color.image_picker_text_black).pickerBackRes(R.mipmap.image_picker_back_black).pickerFolderRes(R.mipmap.image_picker_folder_black).build();

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.isCrop(false).pathList(new ArrayList<>()).pickerThemeColorRes(R.color.image_picker_white).pickerTitleColorRes(R.color.image_picker_text_black).cropThemeColorRes(R.color.image_picker_white).cropTitleColorRes(R.color.image_picker_text_black).pickerBackRes(R.mipmap.image_picker_back_black).pickerFolderRes(R.mipmap.image_picker_folder_black).build();

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ImagePickerOpen.getInstance().setImagePickerConfig(imagePickerConfig).pathList(new ArrayList<>()).open(getActivity());

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ImagePickerOpen.getInstance().setImagePickerConfig(imagePickerConfig).pathList(new ArrayList<>()).open(getActivity());

246

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}

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}

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});

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});

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bottomView.findViewById(R.id.cancel).setOnClickListener(new View.OnClickListener() {

250

bottomView.findViewById(R.id.cancel).setOnClickListener(new View.OnClickListener() {

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@Override

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@Override

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public void onClick(View view) {

252

public void onClick(View view) {

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dialog.dismiss();

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dialog.dismiss();

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}

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}

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});

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});

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dialog.show();

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dialog.show();

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}

257

}

257

258

@SuppressLint("CheckResult")

259

@SuppressLint("CheckResult")

259

protected void getHomework() {

260

protected void getHomework() {

260

if (studentBean == null) return;

261

if (studentBean == null) return;

261

NetWorks.service_url.getStudentHomework(NetWorks.getHeader(), studentBean.getStuId())

262

NetWorks.service_url.getStudentHomework(NetWorks.getHeader(), studentBean.getStuId())

262

.subscribeOn(Schedulers.io())

263

.subscribeOn(Schedulers.io())

263

.observeOn(AndroidSchedulers.mainThread())

264

.observeOn(AndroidSchedulers.mainThread())

264

.compose(RxLifecycleAndroid.bindFragment(getRxLifecycle()))

265

.compose(RxLifecycleAndroid.bindFragment(getRxLifecycle()))

265

.map(ResponseResult::getData)

266

.map(ResponseResult::getData)

266

.subscribe((data, th) -> {

267

.subscribe((data, th) -> {

267

if (th != null) th.printStackTrace();

268

if (th != null) th.printStackTrace();

269

if (data != null) {

270

Collections.sort(data);

271

}

268

homeworkAdapter.setNewData(data);

272

homeworkAdapter.setNewData(data);

269

});

273

});

270

}

274

}

271

275

272

private void getError(String subject) {

276

private void getError(String subject) {

273

if (studentBean == null) {

277

if (studentBean == null) {

274

return;

278

return;

275

}

279

}

276

Map<String, Object> map = new HashMap<>();

280

Map<String, Object> map = new HashMap<>();

277

map.put("subject", subject);

281

map.put("subject", subject);

278

map.put("stuId", studentBean.getStuId());

282

map.put("stuId", studentBean.getStuId());

279

map.put("pageSize", 5);

283

map.put("pageSize", 5);

280

map.put("pageNum", 1);

284

map.put("pageNum", 1);

281

NetWorks.getError(map, new Observer<ResponseResult<PageInfo<TopicBean>>>() {

285

NetWorks.getError(map, new Observer<ResponseResult<PageInfo<TopicBean>>>() {

282

@Override

286

@Override

283

public void onSubscribe(Disposable d) {

287

public void onSubscribe(Disposable d) {

284

}

288

}

285

@Override

289

@Override

286

public void onNext(ResponseResult<PageInfo<TopicBean>> result) {

290

public void onNext(ResponseResult<PageInfo<TopicBean>> result) {

287

if (result.getData() != null && result.getCode() == 200) {

291

if (result.getData() != null && result.getCode() == 200) {

288

List<TopicBean> topicBeans = result.getData().getList();

292

List<TopicBean> topicBeans = result.getData().getList();

289

errorAdapter.refresh(topicBeans);

293

errorAdapter.refresh(topicBeans);

290

if (binding.tabLayout.getSelectedTabPosition() == 0) {

294

if (binding.tabLayout.getSelectedTabPosition() == 0) {

291

if (topicBeans.size() > 0) {

295

if (topicBeans.size() > 0) {

292

getBinding().rvMain.setVisibility(View.VISIBLE);

296

getBinding().rvMain.setVisibility(View.VISIBLE);

293

getBinding().llEmpty.setVisibility(View.GONE);

297

getBinding().llEmpty.setVisibility(View.GONE);

294

} else {

298

} else {

295

getBinding().rvMain.setVisibility(View.GONE);

299

getBinding().rvMain.setVisibility(View.GONE);

296

getBinding().llEmpty.setVisibility(View.VISIBLE);

300

getBinding().llEmpty.setVisibility(View.VISIBLE);

297

}

301

}

298

}

302

}

299

}

303

}

300

}

304

}

301

@Override

305

@Override

302

public void onError(Throwable e) {

306

public void onError(Throwable e) {

303

e.printStackTrace();

307

e.printStackTrace();

304

}

308

}

305

@Override

309

@Override

306

public void onComplete() {

310

public void onComplete() {

307

}

311

}

308

});

312

});

309

}

313

}

310

314

311

@Override

315

@Override

312

public void onResume() {

316

public void onResume() {

313

super.onResume();

317

super.onResume();

314

getError(getResources().getStringArray(R.array.filter_subject)[subject]);

318

getError(getResources().getStringArray(R.array.filter_subject)[subject]);

315

getHomework();

319

getHomework();

316

}

320

}

317

321

318

public class HandlerCallBack implements IHandlerCallBack<ImageInfo> {

322

public class HandlerCallBack implements IHandlerCallBack<ImageInfo> {

319

int type;

323

int type;

320

public HandlerCallBack(int type) {

324

public HandlerCallBack(int type) {

321

this.type = type;

325

this.type = type;

322

}

326

}

323

327

324

private String TAG = "---ImagePicker---";

328

private String TAG = "---ImagePicker---";

325

List<ImageInfo> photoList = new ArrayList<>();

329

List<ImageInfo> photoList = new ArrayList<>();

326

330

327

@Override

331

@Override

328

public void onStart() {

332

public void onStart() {

329

Log.i(TAG, "onStart: 开启");

333

Log.i(TAG, "onStart: 开启");

330

}

334

}

331

335

332

@Override

336

@Override

333

public void onSuccess(List<ImageInfo> photoList) {

337

public void onSuccess(List<ImageInfo> photoList) {

334

this.photoList = photoList;

338

this.photoList = photoList;

335

Log.i(TAG, "onSuccess: 返回数据");

339

Log.i(TAG, "onSuccess: 返回数据");

336

}

340

}

337

341

338

@Override

342

@Override

339

public void onCancel() {

343

public void onCancel() {

340

Log.i(TAG, "onCancel: 取消");

344

Log.i(TAG, "onCancel: 取消");

341

}

345

}

342

346

343

@Override

347

@Override

344

public void onFinish(List<ImageInfo> selectImage) {

348

public void onFinish(List<ImageInfo> selectImage) {

345

if (selectImage.size() == photoList.size()) {

349

if (selectImage.size() == photoList.size()) {

346

ArrayList<String> strings = new ArrayList<>();

350

ArrayList<String> strings = new ArrayList<>();

347

Intent intent = new Intent(getActivity(), ImageActivity.class);

351

Intent intent = new Intent(getActivity(), ImageActivity.class);

348

for (ImageInfo imageInfo : selectImage) {

352

for (ImageInfo imageInfo : selectImage) {

349

strings.add(imageInfo.getPath());

353

strings.add(imageInfo.getPath());

350

}

354

}

351

intent.putStringArrayListExtra("images", strings);

355

intent.putStringArrayListExtra("images", strings);

352

intent.putExtra("type", type);

356

intent.putExtra("type", type);

353

startActivity(intent);

357

startActivity(intent);

354

}

358

}

355

}

359

}

356

360

357

@Override

361

@Override

358

public void onError() {

362

public void onError() {

359

Log.i(TAG, "onError: 出错");

363

Log.i(TAG, "onError: 出错");

360

}

364

}

361

}

365

}

362

366

363

@Override

367

@Override

364

public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {

368

public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {

365

super.onActivityResult(requestCode, resultCode, data);

369

super.onActivityResult(requestCode, resultCode, data);

366

if (resultCode != RESULT_OK) return;

370

if (resultCode != RESULT_OK) return;

367

if (requestCode == 0xA01 || requestCode == 0xA02 && !TextUtils.isEmpty(filePath)) {

371

if (requestCode == 0xA01 || requestCode == 0xA02 && !TextUtils.isEmpty(filePath)) {

368

Bitmap b = BitmapUtils.compress(BitmapFactory.decodeFile(filePath));

372

Bitmap b = BitmapUtils.compress(BitmapFactory.decodeFile(filePath));

369

String path = getContext().getExternalFilesDir("images").getPath() + "/" + System.currentTimeMillis() + CommonUtil.getStr() + ".jpg";

373

String path = getContext().getExternalFilesDir("images").getPath() + "/" + System.currentTimeMillis() + CommonUtil.getStr() + ".jpg";

370

CommonUtil.saveBitmapToUri(b, path);

374

CommonUtil.saveBitmapToUri(b, path);

371

ArrayList<String> strings = new ArrayList<>();

375

ArrayList<String> strings = new ArrayList<>();

372

Intent intent = new Intent(getContext(), ImageActivity.class);

376

Intent intent = new Intent(getContext(), ImageActivity.class);

373

strings.add(path);

377

strings.add(path);

374

intent.putStringArrayListExtra("images", strings);

378

intent.putStringArrayListExtra("images", strings);

375

intent.putExtra("type", requestCode == 0xA01 ? 0 : 1);

379

intent.putExtra("type", requestCode == 0xA01 ? 0 : 1);

376

startActivity(intent);

380

startActivity(intent);

377

}

381

}

378

}

382

}

379

}

383

}

380

384

GITLAB

zhanghaochen / ParentControl

错题列表展示日期

 package com.hjx.parent.adapter;
+import android.view.View;
+import android.widget.TextView;
 import androidx.annotation.NonNull;
 import com.chad.library.adapter.base.BaseQuickAdapter;
 import com.chad.library.adapter.base.BaseViewHolder;
 import com.hjx.parent.R;
 import com.prws.common.bean.homework.HomeworkList;
 public class HomeworkAdapter extends BaseQuickAdapter<HomeworkList, BaseViewHolder> {
     public HomeworkAdapter() {
         super(R.layout.item_homework);
     }
     @Override
     protected void convert(@NonNull BaseViewHolder helper, HomeworkList homework) {
         helper.setText(R.id.tvName, homework.getName());
         helper.setText(R.id.tvGrade, homework.getGrade() + "-" + homework.getTerm());
         int subjectImg;
         switch (homework.getSubject()) {
             case "语文":
                 subjectImg = R.drawable.ic_chinese;
                 break;
             case "英语":
                 subjectImg = R.drawable.ic_english;
                 break;
             case "物理":
                 subjectImg = R.drawable.ic_physics;
                 break;
             case "化学":
                 subjectImg = R.drawable.ic_chemistry;
                 break;
             case "数学":
             default:
                 subjectImg = R.drawable.ic_math;
         }
         helper.setImageResource(R.id.ivSubject, subjectImg);
+        TextView tvDate = helper.getView(R.id.tvDate);
+        int index = getData().indexOf(homework);
+        if (index == 0) {
+            tvDate.setVisibility(View.VISIBLE);
+        } else if (!homework.getFormatTime().equals(getData().get(index - 1).getFormatTime())) {
+            tvDate.setVisibility(View.VISIBLE);
+        } else {
+            tvDate.setVisibility(View.GONE);
+        }
+        tvDate.setText(homework.getFormatTime());
     }
 }

 package com.hjx.parent.fragment;
 import static android.app.Activity.RESULT_OK;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.Bundle;
 import android.provider.MediaStore;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Toast;
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.core.content.FileProvider;
 import androidx.recyclerview.widget.RecyclerView;
 import com.bumptech.glide.Glide;
 import com.bumptech.glide.load.resource.bitmap.RoundedCorners;
 import com.bumptech.glide.request.RequestOptions;
 import com.chad.library.adapter.base.BaseQuickAdapter;
 import com.chad.library.adapter.base.BaseViewHolder;
 import com.google.android.material.tabs.TabLayout;
 import com.google.gson.Gson;
 import com.hjq.permissions.OnPermissionCallback;
 import com.hjq.permissions.Permission;
 import com.hjq.permissions.XXPermissions;
 import com.hjx.parent.ErrorListActivity;
 import com.hjx.parent.ImageActivity;
 import com.hjx.parent.R;
 import com.hjx.parent.TeacherChooseActivity;
 import com.hjx.parent.adapter.ErrorAdapter;
 import com.hjx.parent.adapter.HomeworkAdapter;
 import com.hjx.parent.bean.StudentBean;
 import com.hjx.parent.databinding.FragmentErrorBookBinding;
 import com.hjx.parent.rx.BaseRxFragment;
 import com.prws.common.bean.PageInfo;
 import com.prws.common.bean.ResponseResult;
 import com.prws.common.bean.TopicBean;
 import com.prws.common.net.NetWorks;
 import com.prws.common.utils.BitmapUtils;
 import com.prws.common.utils.CommonUtil;
 import com.prws.common.utils.ScreenUtils;
 import com.prws.common.utils.SharedPreferencesUtil;
 import com.prws.common.utils.dialog.MyButtomDialog;
 import com.trello.rxlifecycle2.android.RxLifecycleAndroid;
 import com.zhangteng.imagepicker.bean.ImageInfo;
 import com.zhangteng.imagepicker.config.ImagePickerConfig;
 import com.zhangteng.imagepicker.config.ImagePickerEnum;
 import com.zhangteng.imagepicker.config.ImagePickerOpen;
 import com.zhangteng.imagepicker.imageloader.GlideImageLoader;
 import com.zhangteng.utils.IHandlerCallBack;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import io.reactivex.Observer;
 import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.Disposable;
 import io.reactivex.schedulers.Schedulers;
 public class ErrorFragment extends BaseRxFragment<FragmentErrorBookBinding> {
     StudentBean studentBean;
     private int subject;
     private ErrorAdapter errorAdapter;
     private HomeworkAdapter homeworkAdapter;
     private String filePath;
     @Override
     protected FragmentErrorBookBinding onCreateViewBinding(@NonNull LayoutInflater inflater, @Nullable ViewGroup parent) {
         return FragmentErrorBookBinding.inflate(inflater, parent, false);
     }
     public void refreshStudent() {
         String student = (String) SharedPreferencesUtil.getData("student", "");
         try {
             studentBean = new Gson().fromJson(student, StudentBean.class);
             getBinding().tvChoose.setText(studentBean.getStuName());
         } catch (Exception e) {
             e.printStackTrace();
         }
     }
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
         String photo = (String) SharedPreferencesUtil.getData("photo", "");
         if (!TextUtils.isEmpty(photo)) {
             RoundedCorners roundedCorners = new RoundedCorners(ScreenUtils.dpToPx(getContext(), 45));
             RequestOptions options = RequestOptions.bitmapTransform(roundedCorners);
             Glide.with(getContext()).load(photo).apply(options).into(getBinding().ivStudent);
         }
         String name = (String) SharedPreferencesUtil.getData("name", "");
         getBinding().tvName.setText(name);
         refreshStudent();
         getBinding().tvChoose.setOnClickListener(v -> startActivity(new Intent(getContext(), TeacherChooseActivity.class)));
         getBinding().rlTakePhoto.setOnClickListener(v -> takePhoto(0));
         getBinding().flEntryHomework.setOnClickListener(v -> takePhoto(1));
         BaseQuickAdapter adapter = new BaseQuickAdapter(R.layout.item_subject, Arrays.asList(getResources().getStringArray(R.array.filter_subject))) {
             @Override
             public void onBindViewHolder(@NonNull RecyclerView.ViewHolder holder, int position) {
             }
             @Override
             protected void convert(@NonNull BaseViewHolder item, Object o) {
                 item.setText(R.id.tv_subject, getResources().getStringArray(R.array.filter_subject)[item.getAdapterPosition()]);
                 switch (item.getAdapterPosition()) {
                     case 0:
                         item.setImageResource(R.id.iv_subject, R.mipmap.ic_chinese);
                         break;
                     case 1:
                         item.setImageResource(R.id.iv_subject, R.mipmap.ic_math);
                         break;
                     case 2:
                         item.setImageResource(R.id.iv_subject, R.mipmap.ic_english);
                         break;
                     case 3:
                         item.setImageResource(R.id.iv_subject, R.mipmap.ic_physics);
                         break;
                     case 4:
                         item.setImageResource(R.id.iv_subject, R.mipmap.ic_chemistry);
                         break;
                 }
                 ViewGroup.LayoutParams layoutParams = item.getView(R.id.rl_subject).getLayoutParams();
                 layoutParams.width = (CommonUtil.getScreenWidth(getContext()) - CommonUtil.dpToPx(getContext(), 30)) / 4;
                 item.getView(R.id.rl_subject).setLayoutParams(layoutParams);
                 item.getConvertView().setOnClickListener(v -> {
                     if (subject != item.getAdapterPosition()) {
                         subject = item.getAdapterPosition();
                         String subStr = getResources().getStringArray(R.array.filter_subject)[subject];
                         if (binding.tabLayout.getSelectedTabPosition() == 0) {
                             getError(subStr);
                         } else {
                             // nothing can do
                         }
                     }
                 });
             }
         };
         getBinding().rvSubject.setAdapter(adapter);
         subject = 0;
         getError(getResources().getStringArray(R.array.filter_subject)[subject]);
         getBinding().llAll.setOnClickListener(v -> {
             Intent intent = new Intent(getContext(), ErrorListActivity.class);
             startActivity(intent);
         });
         errorAdapter = new ErrorAdapter(getActivity(), new ArrayList<>(), false);
         homeworkAdapter = new HomeworkAdapter();
         binding.rvMain.setAdapter(errorAdapter);
         binding.tabLayout.addTab(binding.tabLayout.newTab().setText("最近错题"));
         binding.tabLayout.addTab(binding.tabLayout.newTab().setText("最近作业"));
         binding.tabLayout.addOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
             @Override
             public void onTabSelected(TabLayout.Tab tab) {
                 if (tab.getPosition() == 0) {
                     binding.rvMain.setAdapter(errorAdapter);
                     binding.rvMain.setVisibility(errorAdapter.list.isEmpty() ? View.GONE : View.VISIBLE);
                     binding.llEmpty.setVisibility(errorAdapter.list.isEmpty() ? View.VISIBLE : View.GONE);
                 } else {
                     binding.rvMain.setAdapter(homeworkAdapter);
                     binding.rvMain.setVisibility(View.VISIBLE);
                     binding.llEmpty.setVisibility(View.GONE);
                 }
             }
             @Override
             public void onTabUnselected(TabLayout.Tab tab) {
             }
             @Override
             public void onTabReselected(TabLayout.Tab tab) {
             }
         });
     }
     private void takePhoto(int type) {
         if (!XXPermissions.isGranted(getContext(), Permission.CAMERA, Permission.WRITE_EXTERNAL_STORAGE)) {
             XXPermissions.with(getContext())
                     // 申请多个权限
                     .permission(Permission.CAMERA).request(new OnPermissionCallback() {
                         @Override
                         public void onGranted(List<String> permissions, boolean all) {
                             if (all) {
                                 //开启扫码界面
                                 showButtonDialog(type);
                             } else {
                                 Toast.makeText(getContext(), "需要权限", Toast.LENGTH_SHORT).show();
                             }
                         }
                         @Override
                         public void onDenied(List<String> permissions, boolean never) {
                             XXPermissions.startPermissionActivity(getContext(), permissions);
                         }
                     });
         } else {
             showButtonDialog(type);
         }
     }
     private void showButtonDialog(int type) {
         MyButtomDialog dialog = new MyButtomDialog(getActivity(), R.style.BottomSheetDialog);
         View bottomView = LayoutInflater.from(getActivity()).inflate(R.layout.bottom_sheet_layout, null);
         dialog.setContentView(bottomView);
         bottomView.findViewById(R.id.take_photo).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 dialog.dismiss();
                 Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                 //确保有相机来处理Intent
                 filePath = requireActivity().getExternalFilesDir("images").getPath() + "/" + System.currentTimeMillis() + CommonUtil.getStr() + ".jpg";
                 File photoFile = new File(filePath);
                 //适配Android 7.0文件权限，通过FileProvider创建一个content类型的Uri
                 Uri photoUri = FileProvider.getUriForFile(requireActivity(), "com.hjx.parent.fileprovider", photoFile);
                 takePictureIntent.addFlags(Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
                 takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri);
                 startActivityForResult(takePictureIntent, type == 0 ? 0xA01 : 0xA02);
             }
         });
         bottomView.findViewById(R.id.choose_photo).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 dialog.dismiss();
                 ImagePickerConfig imagePickerConfig = new ImagePickerConfig.Builder().provider(getActivity().getPackageName() + ".fileprovider").imageLoader(new GlideImageLoader()) //图片加载器
                         .iHandlerCallBack(new HandlerCallBack(type))    //图片选择器生命周期监听（直接打开摄像头时无效）
                         .multiSelect(true)                 //是否多选
                         .isShowCamera(false).isVideoPicker(false)              //是否选择视频 默认false
                         .isImagePicker(true).imagePickerType(ImagePickerEnum.PHOTO_PICKER) //选择器打开类型
                         .maxImageSelectable(5)                        //图片可选择数
                         .maxHeight(1920)                              //图片最大高度
                         .maxWidth(1920)                               //图片最大宽度
                         .maxImageSize(3)                             //图片最大大小Mb
                         .isCrop(false).pathList(new ArrayList<>()).pickerThemeColorRes(R.color.image_picker_white).pickerTitleColorRes(R.color.image_picker_text_black).cropThemeColorRes(R.color.image_picker_white).cropTitleColorRes(R.color.image_picker_text_black).pickerBackRes(R.mipmap.image_picker_back_black).pickerFolderRes(R.mipmap.image_picker_folder_black).build();
                 ImagePickerOpen.getInstance().setImagePickerConfig(imagePickerConfig).pathList(new ArrayList<>()).open(getActivity());
             }
         });
         bottomView.findViewById(R.id.cancel).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
                 dialog.dismiss();
             }
         });
         dialog.show();
     }
     @SuppressLint("CheckResult")
     protected void getHomework() {
         if (studentBean == null) return;
         NetWorks.service_url.getStudentHomework(NetWorks.getHeader(), studentBean.getStuId())
                 .subscribeOn(Schedulers.io())
                 .observeOn(AndroidSchedulers.mainThread())
                 .compose(RxLifecycleAndroid.bindFragment(getRxLifecycle()))
                 .map(ResponseResult::getData)
                 .subscribe((data, th) -> {
                     if (th != null) th.printStackTrace();
+                    if (data != null) {
+                        Collections.sort(data);
+                    }
                     homeworkAdapter.setNewData(data);
                 });
     }
     private void getError(String subject) {
         if (studentBean == null) {
             return;
         }
         Map<String, Object> map = new HashMap<>();
         map.put("subject", subject);
         map.put("stuId", studentBean.getStuId());
         map.put("pageSize", 5);
         map.put("pageNum", 1);
         NetWorks.getError(map, new Observer<ResponseResult<PageInfo<TopicBean>>>() {
             @Override
             public void onSubscribe(Disposable d) {
             }
             @Override
             public void onNext(ResponseResult<PageInfo<TopicBean>> result) {
                 if (result.getData() != null && result.getCode() == 200) {
                     List<TopicBean> topicBeans = result.getData().getList();
                     errorAdapter.refresh(topicBeans);
                     if (binding.tabLayout.getSelectedTabPosition() == 0) {
                         if (topicBeans.size() > 0) {
                             getBinding().rvMain.setVisibility(View.VISIBLE);
                             getBinding().llEmpty.setVisibility(View.GONE);
                         } else {
                             getBinding().rvMain.setVisibility(View.GONE);
                             getBinding().llEmpty.setVisibility(View.VISIBLE);
                         }
                     }
                 }
             }
             @Override
             public void onError(Throwable e) {
                 e.printStackTrace();
             }
             @Override
             public void onComplete() {
             }
         });
     }
     @Override
     public void onResume() {
         super.onResume();
         getError(getResources().getStringArray(R.array.filter_subject)[subject]);
         getHomework();
     }
     public class HandlerCallBack implements IHandlerCallBack<ImageInfo> {
         int type;
         public HandlerCallBack(int type) {
             this.type = type;
         }
         private String TAG = "---ImagePicker---";
         List<ImageInfo> photoList = new ArrayList<>();
         @Override
         public void onStart() {
             Log.i(TAG, "onStart: 开启");
         }
         @Override
         public void onSuccess(List<ImageInfo> photoList) {
             this.photoList = photoList;
             Log.i(TAG, "onSuccess: 返回数据");
         }
         @Override
         public void onCancel() {
             Log.i(TAG, "onCancel: 取消");
         }
         @Override
         public void onFinish(List<ImageInfo> selectImage) {
             if (selectImage.size() == photoList.size()) {
                 ArrayList<String> strings = new ArrayList<>();
                 Intent intent = new Intent(getActivity(), ImageActivity.class);
                 for (ImageInfo imageInfo : selectImage) {
                     strings.add(imageInfo.getPath());
                 }
                 intent.putStringArrayListExtra("images", strings);
                 intent.putExtra("type", type);
                 startActivity(intent);
             }
         }
         @Override
         public void onError() {
             Log.i(TAG, "onError: 出错");
         }
     }
     @Override
     public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
         if (resultCode != RESULT_OK) return;
         if (requestCode == 0xA01 || requestCode == 0xA02 && !TextUtils.isEmpty(filePath)) {
             Bitmap b = BitmapUtils.compress(BitmapFactory.decodeFile(filePath));
             String path = getContext().getExternalFilesDir("images").getPath() + "/" + System.currentTimeMillis() + CommonUtil.getStr() + ".jpg";
             CommonUtil.saveBitmapToUri(b, path);
             ArrayList<String> strings = new ArrayList<>();
             Intent intent = new Intent(getContext(), ImageActivity.class);
             strings.add(path);
             intent.putStringArrayListExtra("images", strings);
             intent.putExtra("type", requestCode == 0xA01 ? 0 : 1);
             startActivity(intent);
         }
     }
 }

 package com.prws.common.bean.homework;
 import com.google.gson.annotations.SerializedName;
+import java.text.SimpleDateFormat;
 import java.util.Date;
+import java.util.Locale;
-public class HomeworkList {
+public class HomeworkList implements Comparable<HomeworkList> {
     @SerializedName(value = "homeworkId", alternate = "id")
     private Integer homeworkId;
     @SerializedName(value = "name", alternate = "homeworkName")
     private String name;
     @SerializedName("grade")
     private String grade;
     @SerializedName("term")
     private String term;
     @SerializedName("subject")
     private String subject;
     private int completeFlag;
     private Integer total;
     private Integer right;
     public Date uploadTime;
     public Integer getTotal() {
         return total;
     }
     public Integer getRight() {
         return right;
     }
     public void setRight(Integer right) {
         this.right = right;
     }
     public void setTotal(Integer total) {
         this.total = total;
     }
     public void setId(Integer id) {
         this.homeworkId = id;
     }
     public void setName(String name) {
         this.name = name;
     }
     public void setGrade(String grade) {
         this.grade = grade;
     }
     public void setTerm(String term) {
         this.term = term;
     }
     public void setSubject(String subject) {
         this.subject = subject;
     }
     public void setCompleteFlag(int completeFlag) {
         this.completeFlag = completeFlag;
     }
     public Integer getId() {
         return homeworkId;
     }
     public String getName() {
         return name;
     }
     public String getGrade() {
         return grade;
     }
     public String getTerm() {
         return term;
     }
     public String getSubject() {
         return subject;
     }
     public int getCompleteFlag() {
         return completeFlag;
     }
+    @Override
+    public int compareTo(HomeworkList other) {
+        long time1 = this.uploadTime == null ? 0 : this.uploadTime.getTime();
+        long time2 = other.uploadTime == null ? 0 : other.uploadTime.getTime();
+        return (int) (time2 - time1);
+    }
+    private String time;
+    private SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd", Locale.CHINA);
+    public String getFormatTime() {
+        if (uploadTime == null) return "";
+        if (time != null) return time;
+        time = format.format(uploadTime);
+        return time;
+    }
 }