ADD file via upload

testing/AllTodoFragment.java

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+package com.example.doitnow;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.ItemTouchHelper;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.example.doitnow.Adapter.ToDoAdapter;
+import com.example.doitnow.Model.ToDoModel;
+import com.example.doitnow.Utils.DatabaseHandler;
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
+import java.util.Collections;
+import java.util.List;
+
+public class AllTodoFragment extends Fragment {
+
+    private RecyclerView recyclerView;
+    private ToDoAdapter adapter;
+    private List<ToDoModel> taskList;
+    private DatabaseHandler db;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_alltodo, container, false);
+
+        db = new DatabaseHandler(requireContext());
+        db.openDatabase();
+
+        recyclerView = view.findViewById(R.id.tasksRecyclerView);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        taskList = db.getAllTasks();
+        Collections.reverse(taskList);
+
+        adapter = new ToDoAdapter(db, requireActivity(), taskList);
+        recyclerView.setAdapter(adapter);
+
+        ItemTouchHelper itemTouchHelper = new ItemTouchHelper(new RecyclerItemTouchHelper(adapter));
+        itemTouchHelper.attachToRecyclerView(recyclerView);
+
+        getParentFragmentManager().setFragmentResultListener("taskAdded", this, (key, bundle) -> {
+            boolean added = bundle.getBoolean("taskAdded", false);
+            if (added) {
+                refreshTaskList();
+            }
+        });
+        return view;
+    }
+
+    public void refreshData() {
+        taskList = db.getAllTasks();
+        Collections.reverse(taskList);
+        adapter.setTasks(taskList);
+        adapter.notifyDataSetChanged();
+    }
+    public void refreshTaskList() {
+        taskList.clear(); // 清空舊資料
+        taskList.addAll(db.getAllTasks()); // 重新從資料庫讀取
+        Collections.reverse(taskList); // 保持倒序排列（若有這需求）
+        adapter.notifyDataSetChanged(); // 通知 RecyclerView 更新
+    }
+
+}