毕业设计Android部分.zip

package com.example.project_android.fragment.main; import androidx.appcompat.app.AlertDialog; import androidx.lifecycle.ViewModelProvider; import android.Manifest; import android.annotation.SuppressLint; import android.app.Activity; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.net.Uri; import android.os.Bundle; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.fragment.app.Fragment; import androidx.swiperefreshlayout.widget.SwipeRefreshLayout; import android.os.Handler; import android.provider.MediaStore; import android.util.Log; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import com.blankj.utilcode.util.ColorUtils; import com.blankj.utilcode.util.FileUtils; import com.blankj.utilcode.util.ImageUtils; import com.blankj.utilcode.util.PathUtils; import com.blankj.utilcode.util.PermissionUtils; import com.example.project_android.R; import com.example.project_android.activity.login.LoginActivity; import com.example.project_android.adapter.CourseListAdapter; import com.example.project_android.dialog.CourseAddDialog; import com.example.project_android.dialog.CourseCreateDialog; import com.example.project_android.dialog.FaceUploadDialog; import com.example.project_android.dialog.LoadingDialog; import com.example.project_android.util.CommenUtil; import com.example.project_android.util.NetUtil; import com.example.project_android.util.ProjectStatic; import com.example.project_android.util.ViewUtils; import com.loopj.android.http.AsyncHttpClient; import com.loopj.android.http.AsyncHttpResponseHandler; import com.loopj.android.http.RequestParams; import com.soundcloud.android.crop.Crop; import java.io.File; import java.io.FileNotFoundException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import butterknife.BindView; import butterknife.ButterKnife; import butterknife.OnClick; import butterknife.Unbinder; import cz.msebera.android.httpclient.Header; import static android.app.Activity.RESULT_OK; @SuppressLint("NonConstantResourceId") public class CourseListFragment extends Fragment{ @BindView(R.id.fragment_course_refresh) SwipeRefreshLayout refreshLayout; @BindView(R.id.course_list_prompt) TextView promptText; @BindView(R.id.search) EditText searchEdit; @BindView(R.id.content_not_found_layout) LinearLayout notFoundLayout; private CourseListViewModel viewModel; private CourseCreateDialog createDialog; private FaceUploadDialog faceUploadDialog; public String pictureDir; public String picturePath; private String userType; private String id; Unbinder unbinder; Handler courseListHandler = new Handler(msg -> { if (msg.what == 1){ viewModel.updateCourses(msg.getData().getString("data")); } Toast.makeText(getActivity(), msg.getData().getString("message"), Toast.LENGTH_SHORT).show(); System.out.println(msg.getData().getString("message")); refreshLayout.setRefreshing(false); return false; }); @Override public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_course_list, container, false); unbinder = ButterKnife.bind(this,view); // 创建存储图片的临时文件地址 pictureDir = PathUtils.getExternalAppPicturesPath(); FileUtils.createOrExistsDir(pictureDir); picturePath = pictureDir + "/temp.png"; CommenUtil.initPhotoError(); // 进行网络请求返回所有与用户相关的课程 SharedPreferences preferences = getActivity().getSharedPreferences("localRecord", Context.MODE_PRIVATE); userType = preferences.getString("userType",""); id = preferences.getString("id",""); if (userType.equals("2")) { String face = preferences.getString("face", ""); uploadFace(face); } refreshLayout.setColorSchemeColors(ViewUtils.getRefreshColor()); Map<String, String> map = new HashMap<>(); if (userType.equals("2")){ promptText.setText("我的课程"); map.put("studentId",id); NetUtil.getNetData("course/findCourseByStudentId", map, courseListHandler); refreshLayout.setOnRefreshListener(() -> { refreshLayout.setRefreshing(false); NetUtil.getNetData("course/findCourseByStudentId", map, courseListHandler); }); searchEdit.setOnKeyListener((v, keyCode, event) -> { if (keyCode == KeyEvent.KEYCODE_ENTER){ String name = searchEdit.getText().toString(); Map<String, String> map1 = new HashMap<>(); map1.put("studentId",id); map1.put("name",name); NetUtil.getNetData("course/findCourseByStudentIdWithName", map1, courseListHandler); } return false; }); } else { promptText.setText("我教的课"); map.put("teacherId",preferences.getString("id","")); NetUtil.getNetData("course/findCourseByTeacherId", map, courseListHandler); refreshLayout.setOnRefreshListener(() -> { refreshLayout.setRefreshing(false); NetUtil.getNetData("course/findCourseByTeacherId", map, courseListHandler); }); searchEdit.setOnKeyListener((v, keyCode, event) -> { if (keyCode == KeyEvent.KEYCODE_ENTER){ String name = searchEdit.getText().toString(); Map<String, String> map1 = new HashMap<>(); map1.put("teacherId",id); map1.put("name",name); NetUtil.getNetData("course/findCourseByTeacherIdWithName", map1, courseListHandler); } return false; }); } return view; } @Override public void onActivityCreated(@Nullable Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); viewModel = new ViewModelProvider(this).get(CourseListViewModel.class); // TODO: Use the ViewModel viewModel.getCourseLists().observe(getViewLifecycleOwner(), courseLists -> { if (courseLists.size() < 1){ notFoundLayout.setVisibility(View.VISIBLE); } else { notFoundLayout.setVisibility(View.GONE); ViewUtils.setRecycler(getActivity(), R.id.recycler_course_list, new CourseListAdapter(courseLists)); } }); } public void uploadFace(String face){ if (face.equals("")){ faceUploadDialog = new FaceUploadDialog(getContext()); faceUploadDialog.setNoClickedListener(view -> { faceUploadDialog.dismiss(); LoadingDialog loadingDialog = new LoadingDialog(getContext()); loadingDialog.setTitle("警告"); loadingDialog.setMessage("未注册人脸信息，将返回登录"); loadingDialog.showSingleButton(); loadingDialog.setOnDismissListener(dialog1 -> { Intent intent = new Intent(getActivity(), LoginActivity.class); startActivity(intent); getActivity().finish(); }); loadingDialog.show(); }); faceUploadDialog.setSelec