Android Todo List App

All XML Code

Create A New Project .

*Main Activity Xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:background="@color/white"
    >

    <FrameLayout
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_above="@+id/bottom_navigation" />

    <com.google.android.material.bottomnavigation.BottomNavigationView
        android:id="@+id/bottom_navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        app:menu="@menu/nav_menu"
        android:background="#199E92"
        />


</RelativeLayout>

Create A Menu Resource File .

res>new>Directory>menu.

Menu>new>Menu resource file>nav_menu.

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">

    <item
        android:id="@+id/task"
        android:title="Tasks"
        android:icon="@drawable/add_task"
        />
    <item
        android:id="@+id/complete"
        android:title="Complete"
        android:icon="@drawable/complete_task"
        />

</menu>

 MainActvity.Java

package com.dailytodolist.todolist;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.view.MenuItem;

import androidx.activity.EdgeToEdge;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;

import com.dailytodolist.todolist.Fragment.CompleteFragment;
import com.dailytodolist.todolist.Fragment.TaskFragment;
import com.google.android.material.bottomnavigation.BottomNavigationView;

public class MainActivity extends AppCompatActivity {

    BottomNavigationView bottom_navigation;

    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        bottom_navigation=findViewById(R.id.bottom_navigation);
        FragmentManager fmManager=getSupportFragmentManager();
        FragmentTransaction fmTransaction=fmManager.beginTransaction();
        fmTransaction.add(com.google.android.material.R.id.container,new TaskFragment());
        fmTransaction.commit();
        bottom_navigation.setOnNavigationItemSelectedListener(new BottomNavigationView.OnNavigationItemSelectedListener() {
            @Override
            public boolean onNavigationItemSelected(@NonNull MenuItem item) {


                if (item.getItemId()==R.id.task){

                    FragmentManager fmManager=getSupportFragmentManager();
                    FragmentTransaction fmTransaction=fmManager.beginTransaction();
                    fmTransaction.add(com.google.android.material.R.id.container,new TaskFragment());
                    fmTransaction.commit();

                }else if (item.getItemId()==R.id.complete){

                    FragmentManager fmManager=getSupportFragmentManager();
                    FragmentTransaction fmTransaction=fmManager.beginTransaction();
                    fmTransaction.add(com.google.android.material.R.id.container,new CompleteFragment());
                    fmTransaction.commit();
                }


 return true;
            }
        });

    }
}

* Create  Fragment .

TaskFragment

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    tools:context=".Fragment.TaskFragment">




    <RelativeLayout
        android:id="@+id/searchLayout"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:background="@drawable/edbackground"
        android:layout_marginStart="50dp"
        android:layout_marginEnd="20dp"
        android:layout_marginTop="20dp"

        >
        <EditText
            android:id="@+id/prioritysearch"
            android:layout_width="220dp"
            android:layout_height="50dp"
            android:hint="Search by priority"
            android:textColorHint="@color/black"
            android:textAlignment="center"
            android:textColor="@color/black"
            android:textStyle="bold"
            android:textSize="18sp"
            android:background="@android:color/transparent"
            />

        <ImageView
            android:layout_width="50dp"
            android:layout_height="200dp"
            android:src="@drawable/search"
            android:padding="10dp"
            android:layout_margin="4dp"
            android:layout_alignParentEnd="true"
            android:scaleType="centerCrop"
            />



    </RelativeLayout>
    <com.airbnb.lottie.LottieAnimationView
        android:id="@+id/no_data"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:lottie_rawRes="@raw/no_data_anim"
        app:lottie_autoPlay="true"
        app:lottie_loop="true"
        android:layout_below="@id/searchLayout"
        android:visibility="gone"
        />





    <androidx.recyclerview.widget.RecyclerView
        android:layout_marginTop="10dp"
        android:layout_below="@id/searchLayout"
        android:id="@+id/recyclerview"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        />
 <com.google.android.material.floatingactionbutton.FloatingActionButton
       android:id="@+id/fbBtn"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content"
       android:layout_alignParentRight="true"
       android:layout_margin="30dp"
       android:src="@drawable/add"
       android:layout_marginBottom="50dp"
       android:layout_alignParentBottom="true"
       />

</RelativeLayout>

* Create  Fragment .

Task Fragment Java

package com.dailytodolist.todolist.Fragment;

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

import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;

import com.airbnb.lottie.LottieAnimationView;
import com.dailytodolist.todolist.Adapter.TaskAdapter;
import com.dailytodolist.todolist.OtherActivity.ModelClass;
import com.dailytodolist.todolist.OtherActivity.TaskInputActivity;
import com.dailytodolist.todolist.R;
import com.dailytodolist.todolist.RoomDatabase.AdapterListener;
import com.dailytodolist.todolist.RoomDatabase.DeleteListener;
import com.dailytodolist.todolist.RoomDatabase.TaskDao;
import com.dailytodolist.todolist.RoomDatabase.ToDoDatabase;
import com.google.android.material.floatingactionbutton.FloatingActionButton;

import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;


public class TaskFragment extends Fragment implements AdapterListener {

    RecyclerView recyclerview;
    ToDoDatabase toDoDatabase;
    TaskDao taskDao;
    TaskAdapter taskAdapter;
    EditText prioritysearch;
    com.airbnb.lottie.LottieAnimationView no_data;



    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View myView= inflater.inflate(R.layout.fragment_task, container, false);
        FloatingActionButton fbBtn=myView.findViewById(R.id.fbBtn);
        recyclerview=myView.findViewById(R.id.recyclerview);
        prioritysearch=myView.findViewById(R.id.prioritysearch);
        no_data=myView.findViewById(R.id.no_data);
        toDoDatabase=ToDoDatabase.getInstance(getContext());
        taskDao=toDoDatabase.getTaskDao();
        taskAdapter=new TaskAdapter(getContext(),this);
        fatchData();
        recyclerview.setLayoutManager(new LinearLayoutManager(getContext()));
        recyclerview.setAdapter(taskAdapter);
        NodataAnim();

        fbBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                startActivity(new Intent(getContext(), TaskInputActivity.class));
            }
        });

        prioritysearch.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
            }

            @Override
            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
            }

            @Override
            public void afterTextChanged(Editable editable) {
                String searchQuery = editable.toString();
                searchbyPriority (searchQuery); // সার্চ মেথড কল করা
            }
        });


        if (container!=null){
            container.removeAllViews();
        }
        return myView;
    }


    public void fatchData(){
        List<ModelClass> taskList=taskDao.getAllusers();
        for (int i=0;i<taskList.size();i++){
            ModelClass task=taskList.get(i);
            taskAdapter.addTask(task);
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        taskAdapter.clearTask();
        fatchData();
    }
    private void searchbyPriority(String prority) {
        ExecutorService executorService = Executors.newSingleThreadExecutor();
        executorService.execute(() -> {
            List<ModelClass> usersList = taskDao.searchbypriority("%" + prority + "%"); // সার্চ কোয়েরি
            getActivity().runOnUiThread(() -> {
                taskAdapter.clearTask(); // আগের ডাটা ক্লিয়ার
                for (ModelClass task : usersList) {
                    taskAdapter.addTask(task); // নতুন সার্চ ফলাফল যোগ করা
                }
            });
        });


        ///////////////Search Method//////////////////


    }


    @Override
    public void onUpdate(ModelClass modelClass) {

    }

    @Override
    public void onDelete(int id, int pos) {

        taskDao.delete(id);
        taskAdapter.removeTask(pos);

    }






    public void NodataAnim(){

        List<ModelClass> tasklist = taskDao.getAllusers(); // Fetch all users from the database

        if (tasklist.isEmpty()) {
            // If no data, hide RecyclerView and show LottieAnimationView
            recyclerview.setVisibility(View.GONE);
            no_data.setVisibility(View.VISIBLE); // Assuming no_data is your LottieAnimationView
            no_data.playAnimation(); // Start Lottie animation if you want
        } else {
            // If data exists, show RecyclerView and hide LottieAnimationView
            recyclerview.setVisibility(View.VISIBLE);
            no_data.setVisibility(View.GONE);

            // Update the adapter with the fetched users
            taskAdapter.clearTask(); // Clear old data from the adapter
            for (ModelClass task : tasklist) {
                taskAdapter.addTask(task); // Add new users to the adapter
            }
        }


    }


}

CompleteFragment

CompleteFragment Xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    tools:context=".Fragment.CompleteFragment">


    <RelativeLayout
        android:id="@+id/searchLayout"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:background="@drawable/edbackground"
        android:layout_marginStart="50dp"
        android:layout_marginEnd="20dp"
        android:layout_marginTop="20dp"

        >
        <EditText
            android:id="@+id/prioritysearch"
            android:layout_width="220dp"
            android:layout_height="50dp"
            android:hint="Search by priority"
            android:textColorHint="@color/black"
            android:textAlignment="center"
            android:textColor="@color/black"
            android:textStyle="bold"
            android:textSize="18sp"
            android:background="@android:color/transparent"
            />

        <ImageView
            android:layout_width="50dp"
            android:layout_height="200dp"
            android:src="@drawable/search"
            android:padding="10dp"
            android:layout_margin="4dp"
            android:layout_alignParentEnd="true"
            android:scaleType="centerCrop"
            />



    </RelativeLayout>
    <com.airbnb.lottie.LottieAnimationView
        android:id="@+id/no_data"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:lottie_rawRes="@raw/no_data_anim"
        app:lottie_autoPlay="true"
        app:lottie_loop="true"
        android:layout_below="@id/searchLayout"
        android:visibility="gone"
        />


    <androidx.recyclerview.widget.RecyclerView
        android:layout_marginTop="10dp"
        android:layout_below="@id/searchLayout"
        android:id="@+id/recyclerview"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        />


</RelativeLayout>

CompleteFragment Java

package com.dailytodolist.todolist.Fragment;

import android.os.Bundle;

import androidx.fragment.app.Fragment;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;

import com.airbnb.lottie.LottieAnimationView;
import com.dailytodolist.todolist.Adapter.FinshedAdapter;
import com.dailytodolist.todolist.Adapter.TaskAdapter;
import com.dailytodolist.todolist.OtherActivity.FinishedModel;
import com.dailytodolist.todolist.OtherActivity.ModelClass;
import com.dailytodolist.todolist.R;
import com.dailytodolist.todolist.RoomDatabase.FinishDao;
import com.dailytodolist.todolist.RoomDatabase.TaskDao;
import com.dailytodolist.todolist.RoomDatabase.ToDoDatabase;

import java.util.List;


public class CompleteFragment extends Fragment {
    RecyclerView recyclerview;
    ToDoDatabase toDoDatabase;
    FinishDao finishDao;
    FinshedAdapter finshedAdapter;
    EditText prioritysearch;
    LottieAnimationView no_data;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View myView= inflater.inflate(R.layout.fragment_complete, container, false);


        recyclerview=myView.findViewById(R.id.recyclerview);
        prioritysearch=myView.findViewById(R.id.prioritysearch);
        no_data=myView.findViewById(R.id.no_data);
        toDoDatabase=ToDoDatabase.getInstance(getContext());
        finishDao=toDoDatabase.getFinishedDao();
        finshedAdapter=new FinshedAdapter(getContext());
        fatchData();
        recyclerview.setLayoutManager(new LinearLayoutManager(getContext()));
        recyclerview.setAdapter(finshedAdapter);
        NodataAnim();



if (container!=null){
    container.removeAllViews();
}
        return myView;
    }

    public void fatchData(){
        List<FinishedModel> finisList=finishDao.getAllfinish();
        for (int i=0;i<finisList.size();i++){
            FinishedModel finish=finisList.get(i);
            finshedAdapter.addFinished(finish);
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        finshedAdapter.FinishedclearTask();
        fatchData();
    }



    public void NodataAnim(){

        List<FinishedModel> finishlist = finishDao.getAllfinish(); // Fetch all users from the database

        if (finishlist.isEmpty()) {
            // If no data, hide RecyclerView and show LottieAnimationView
            recyclerview.setVisibility(View.GONE);
            no_data.setVisibility(View.VISIBLE); // Assuming no_data is your LottieAnimationView
            no_data.playAnimation(); // Start Lottie animation if you want
        } else {
            // If data exists, show RecyclerView and hide LottieAnimationView
            recyclerview.setVisibility(View.VISIBLE);
            no_data.setVisibility(View.GONE);

            // Update the adapter with the fetched users
            finshedAdapter.FinishedclearTask(); // Clear old data from the adapter
            for (FinishedModel task : finishlist) {
                finshedAdapter.addFinished(task); // Add new users to the adapter
            }
        }


    }
}

Create Room DataBase Class

ToDoDatabase

package com.dailytodolist.todolist.RoomDatabase;

import android.content.Context;

import androidx.room.Room;
import androidx.room.RoomDatabase;

import com.dailytodolist.todolist.OtherActivity.FinishedModel;
import com.dailytodolist.todolist.OtherActivity.ModelClass;

@androidx.room.Database(entities = {ModelClass.class, FinishedModel.class},version = 2)
public abstract class ToDoDatabase extends RoomDatabase {
    public abstract TaskDao getTaskDao();
    public abstract FinishDao getFinishedDao();


    public static ToDoDatabase INSTANCE;


    public static ToDoDatabase getInstance(Context context){

        if (INSTANCE==null){

            INSTANCE= Room.databaseBuilder(context,ToDoDatabase.class,"ToDoDatabase")
                    .allowMainThreadQueries()
                    .fallbackToDestructiveMigration()
                    .build();
        }
        return INSTANCE;
    }
}

Create  Interface

TaskDao

package com.dailytodolist.todolist.RoomDatabase;

import androidx.room.Dao;
import androidx.room.Insert;
import androidx.room.Query;
import androidx.room.Update;

import com.dailytodolist.todolist.OtherActivity.ModelClass;

import java.util.List;

@Dao
public interface TaskDao {
    @Insert
    void insert(ModelClass modelClass);

    @Update
    void update(ModelClass modelClass);


    @Query("delete from ModelClass where id=:id")
    void delete(int id);

    @Query("SELECT * FROM ModelClass WHERE priority LIKE :priority")
    List<ModelClass> searchbypriority(String priority);

    @Query("select* from ModelClass order by id desc ")
    List<ModelClass> getAllusers();


}

FinishDao

package com.dailytodolist.todolist.RoomDatabase;

import androidx.room.Dao;
import androidx.room.Insert;
import androidx.room.Query;
import androidx.room.Update;

import com.dailytodolist.todolist.OtherActivity.FinishedModel;
import com.dailytodolist.todolist.OtherActivity.ModelClass;

import java.util.List;

@Dao
public interface FinishDao {
    @Insert
    void insert(FinishedModel finishedModel);

    @Update
    void update(FinishedModel finishedModel);


    @Query("delete from FinishedModel where id=:id")
    void delete(int id);

    @Query("SELECT * FROM FinishedModel WHERE Fpriority LIKE :priority")
    List<FinishedModel> searchbypriority(String priority);

    @Query("select* from FinishedModel order by id desc ")
    List<FinishedModel> getAllfinish();



}

*Create Class

ModelClass

package com.dailytodolist.todolist.OtherActivity;

import androidx.room.Entity;
import androidx.room.PrimaryKey;

@Entity
public class ModelClass {
    @PrimaryKey(autoGenerate = true)
    private int id;
    String task;
    String priority;
    String date;
    String time;
    String note;

    public ModelClass(int id, String task, String priority, String date, String time, String note) {
        this.id = id;
        this.task = task;
        this.priority = priority;
        this.date = date;
        this.time = time;
        this.note = note;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getTask() {
        return task;
    }

    public void setTask(String task) {
        this.task = task;
    }

    public String getPriority() {
        return priority;
    }

    public void setPriority(String priority) {
        this.priority = priority;
    }

    public String getDate() {
        return date;
    }

    public void setDate(String date) {
        this.date = date;
    }

    public String getTime() {
        return time;
    }

    public void setTime(String time) {
        this.time = time;
    }

    public String getNote() {
        return note;
    }

    public void setNote(String note) {
        this.note = note;
    }
}

*Create a Class

FinishedModel

package com.dailytodolist.todolist.OtherActivity;

import androidx.room.Entity;
import androidx.room.PrimaryKey;

@Entity
public class FinishedModel {
    @PrimaryKey(autoGenerate = true)
    private int id;
    String Ftask;
    String Fpriority;
    String Fnote;
    String finisheTimed;
    public FinishedModel(){}

    public FinishedModel(int id, String ftask, String fpriority, String fnote, String finisheTimed) {
        this.id = id;
        Ftask = ftask;
        Fpriority = fpriority;
        Fnote = fnote;
        this.finisheTimed = finisheTimed;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    public String getFtask() {
        return Ftask;
    }

    public void setFtask(String ftask) {
        Ftask = ftask;
    }

    public String getFpriority() {
        return Fpriority;
    }

    public void setFpriority(String fpriority) {
        Fpriority = fpriority;
    }

    public String getFnote() {
        return Fnote;
    }

    public void setFnote(String fnote) {
        Fnote = fnote;
    }

    public String getFinisheTimed() {
        return finisheTimed;
    }

    public void setFinisheTimed(String finisheTimed) {
        this.finisheTimed = finisheTimed;
    }
}

Create Adapter Class

TaskAdapter

package com.dailytodolist.todolist.Adapter;

import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.cardview.widget.CardView;
import androidx.recyclerview.widget.RecyclerView;

import com.dailytodolist.todolist.Fragment.TaskFragment;
import com.dailytodolist.todolist.OtherActivity.FinishedModel;
import com.dailytodolist.todolist.OtherActivity.ModelClass;
import com.dailytodolist.todolist.R;
import com.dailytodolist.todolist.RoomDatabase.AdapterListener;
import com.dailytodolist.todolist.RoomDatabase.FinishDao;
import com.dailytodolist.todolist.RoomDatabase.ToDoDatabase;

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import java.util.Locale;

public class TaskAdapter extends RecyclerView.Adapter<TaskAdapter.mViewHolder> {
    Context context;
    AdapterListener adapterListener;
    List<ModelClass> tasksList;
    ToDoDatabase todoDb;
    FinishDao finishDao;
    Calendar calendar;
    FinshedAdapter finshedAdapter;


    public TaskAdapter(Context context, AdapterListener listener) {
        this.context = context;
        this.adapterListener=listener;
        tasksList=new ArrayList<>();


        todoDb=ToDoDatabase.getInstance(context);
        finishDao=todoDb.getFinishedDao();


    }

    public void addTask(ModelClass task){
        tasksList.add(task);
        notifyDataSetChanged();
    }
    public void removeTask(int positon){
        tasksList.remove(positon);
        notifyDataSetChanged();


    }
    public void clearTask() {
        tasksList.clear();
        notifyDataSetChanged();
    }


    @NonNull
    @Override
    public mViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View myview= LayoutInflater.from(parent.getContext()).inflate(R.layout.task_layout,parent,false);
        return new mViewHolder(myview);
    }

    @SuppressLint("ResourceAsColor")
    @Override
    public void onBindViewHolder(@NonNull mViewHolder holder, @SuppressLint("RecyclerView") int position) {


        ModelClass modelClass=tasksList.get(position);

        holder.task.setText("Task : "+modelClass.getTask());
        holder.dateandtime.setText("Work time : "+modelClass.getDate()+". At :- "+modelClass.getTime());
        holder.task_note.setText("Task Note : "+modelClass.getNote());


        if (modelClass.getPriority().equals("Emergency")){
            holder.priorityflag.setImageResource(R.drawable.veryimportant);
            holder.priority.setText("Priority : Very Emergency");

        }else if (modelClass.getPriority().equals("Important")){
            holder.priorityflag.setImageResource(R.drawable.medium);
            holder.priority.setText("Priority : Important");
        }else if (modelClass.getPriority().equals("Avarage")){
            holder.priorityflag.setImageResource(R.drawable.low);
            holder.priority.setText("Priority : Avarage");

        }

        holder.contentLay.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {



                new AlertDialog.Builder(context)
                        .setTitle("Finished Task")
                        .setMessage("Are you finish task?")
                        .setIcon(R.drawable.finished)
                        .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialogInterface, int i) {
                                adapterListener.onDelete(modelClass.getId(),position);
                                dialogInterface.cancel();

                                String Ftask=modelClass.getTask();
                                String Fpriority=modelClass.getPriority();
                                String Fnote=modelClass.getNote();
                                calendar = Calendar.getInstance();
                                SimpleDateFormat sdf = new SimpleDateFormat("dd/mm/yyyy  hh:mm", Locale.getDefault());
                                String finisheTimed = sdf.format(calendar.getTime());
                                finshedAdapter=new FinshedAdapter(context);
                                FinishedModel finishedModel=new FinishedModel(0,Ftask,Fpriority,Fnote,finisheTimed);
                                finshedAdapter.addFinished(finishedModel);
                                finishDao.insert(finishedModel);







                            }
                        })
                        .setNegativeButton("No", new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialogInterface, int i) {

                            }
                        })
                        .setCancelable(false)

                        .show();


            }
        });





    }

    @Override
    public int getItemCount() {
        return tasksList.size();
    }

    public class mViewHolder extends RecyclerView.ViewHolder{

        TextView task,priority,dateandtime,task_note;
        ImageView priorityflag;
        CardView contentLay;

        public mViewHolder(@NonNull View itemView) {
            super(itemView);

            task=itemView.findViewById(R.id.task);
            priority=itemView.findViewById(R.id.priority);
            priorityflag=itemView.findViewById(R.id.priorityflag);
            dateandtime=itemView.findViewById(R.id.dateandtime);
            task_note=itemView.findViewById(R.id.task_note);
            contentLay=itemView.findViewById(R.id.contentLay);
        }
    }


}

Create a xml layout

task_layout

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <androidx.cardview.widget.CardView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:cardCornerRadius="8dp"
        app:cardElevation="4dp"
        app:cardUseCompatPadding="true"
        android:background="@drawable/iteamback"
        android:id="@+id/contentLay"

        >

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="05dp"
            android:orientation="vertical"
            android:background="@color/white"
            >

            <TextView
                android:id="@+id/task"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/black"
                android:textSize="20sp"
                android:textStyle="bold"
                android:layout_marginStart="05dp"
                android:layout_marginTop="10dp"
                />
            <RelativeLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginStart="05dp"

                >

                <TextView
                    android:id="@+id/priority"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="20sp"
                    android:textStyle="bold"
                    android:textColor="@color/black"

                    />
                <ImageView
                    android:id="@+id/priorityflag"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="20dp"
                    android:layout_alignParentRight="true"
                    android:layout_marginEnd="20dp"

                    />


            </RelativeLayout>

            <TextView
                android:id="@+id/dateandtime"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20sp"
                android:textStyle="bold"
                android:textColor="@color/black"
                android:layout_marginStart="05dp"

                />
            <TextView
                android:id="@+id/task_note"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20sp"
                android:textStyle="bold"
                android:textColor="@color/black"
                android:layout_marginStart="05dp"
                android:layout_marginBottom="10dp"

                />

        </LinearLayout>


    </androidx.cardview.widget.CardView>

</LinearLayout>

Create a Adapter Class

FinshedAdapter

package com.dailytodolist.todolist.Adapter;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Paint;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.cardview.widget.CardView;
import androidx.recyclerview.widget.RecyclerView;

import com.dailytodolist.todolist.OtherActivity.FinishedModel;
import com.dailytodolist.todolist.OtherActivity.ModelClass;
import com.dailytodolist.todolist.R;

import java.util.ArrayList;
import java.util.List;

public class FinshedAdapter extends RecyclerView.Adapter<FinshedAdapter.mViewHolder> {

    Context context;
    List<FinishedModel> finishedModelList;

    public FinshedAdapter(Context context) {
        this.context = context;
        finishedModelList=new ArrayList<>();
    }

    public void addFinished(FinishedModel finishedModel){
        finishedModelList.add(finishedModel);
        notifyDataSetChanged();
    }
    public void removeTask(int positon){
        finishedModelList.remove(positon);
        notifyDataSetChanged();


    }
    public void FinishedclearTask() {
        finishedModelList.clear();
        notifyDataSetChanged();
    }



    @NonNull
    @Override
    public mViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

        View myview= LayoutInflater.from(parent.getContext()).inflate(R.layout.finished_layout,parent,false);
        return new mViewHolder(myview);
    }

    @SuppressLint("ResourceAsColor")
    @Override
    public void onBindViewHolder(@NonNull mViewHolder holder, int position) {
        FinishedModel finishedModel=finishedModelList.get(position);

        holder.task.setText("Task : "+finishedModel.getFtask());
        holder.dateandtime.setText("Finished : "+finishedModel.getFinisheTimed());
        holder.task_note.setText("Task Note : "+finishedModel.getFnote());
        //////////////Cross Line///////////////
        holder. task.setPaintFlags(holder.task.getPaintFlags()|
                Paint.STRIKE_THRU_TEXT_FLAG);

        holder. task_note.setPaintFlags(holder.task_note.getPaintFlags()|
                Paint.STRIKE_THRU_TEXT_FLAG);

        holder. dateandtime.setPaintFlags(holder.dateandtime.getPaintFlags()|
                Paint.STRIKE_THRU_TEXT_FLAG);
        holder. priority.setPaintFlags(holder.priority.getPaintFlags()|
                Paint.STRIKE_THRU_TEXT_FLAG);
        //////////////Cross Line///////////////


        if (finishedModel.getFpriority().equals("Emergency")){
            holder.priorityflag.setImageResource(R.drawable.veryimportant);
            holder.priority.setText("Priority : Very Emergency");

        }else if (finishedModel.getFpriority().equals("Important")){
            holder.priorityflag.setImageResource(R.drawable.medium);
            holder.priority.setText("Priority : Important");
        }else if (finishedModel.getFpriority().equals("Avarage")){
            holder.priorityflag.setImageResource(R.drawable.low);
            holder.priority.setText("Priority : Avarage");

        }

    }

    @Override
    public int getItemCount() {
        return finishedModelList.size();
    }

    public class mViewHolder extends RecyclerView.ViewHolder{

        TextView task,priority,dateandtime,task_note;
        ImageView priorityflag;
        CardView contentLay;
        RelativeLayout LineLayout;

        public mViewHolder(@NonNull View itemView) {
            super(itemView);

            task=itemView.findViewById(R.id.task);
            priority=itemView.findViewById(R.id.priority);
            priorityflag=itemView.findViewById(R.id.priorityflag);
            dateandtime=itemView.findViewById(R.id.dateandtime);
            task_note=itemView.findViewById(R.id.task_note);
            contentLay=itemView.findViewById(R.id.contentLay);
            LineLayout=itemView.findViewById(R.id.LineLayout);
        }
    }
}

Create a xml layout

finished_layout

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <androidx.cardview.widget.CardView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:cardCornerRadius="8dp"
        app:cardElevation="4dp"
        app:cardUseCompatPadding="true"
        android:background="@drawable/iteamback"
        android:id="@+id/contentLay"

        >

        <RelativeLayout
            android:id="@+id/LineLayout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginBottom="05dp"
            android:orientation="vertical"
            android:background="@color/white"
            >


            <TextView
                android:id="@+id/task"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="@color/black"
                android:textSize="20sp"
                android:textStyle="bold"
                android:layout_marginStart="05dp"
                android:layout_marginTop="10dp"
                android:text="Task : "
                />
            <RelativeLayout
                android:id="@+id/priorityLay"
                android:layout_below="@id/task"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginStart="05dp"

                >


                <TextView
                    android:id="@+id/priority"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:textSize="20sp"
                    android:textStyle="bold"
                    android:textColor="@color/black"
                    android:text="Priority : "



                    />
                <ImageView
                    android:id="@+id/priorityflag"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_marginStart="20dp"
                    android:layout_alignParentRight="true"
                    android:layout_marginEnd="20dp"

                    />


            </RelativeLayout>


            <TextView
                android:id="@+id/dateandtime"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20sp"
                android:textStyle="bold"
                android:textColor="@color/black"
                android:layout_marginStart="05dp"
                android:layout_below="@id/priorityLay"
                android:text="Finished : "


                />

            <TextView
                android:id="@+id/task_note"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20sp"
                android:textStyle="bold"
                android:textColor="@color/black"
                android:layout_marginStart="05dp"
                android:layout_marginBottom="10dp"
                android:layout_below="@id/dateandtime"
                android:text="Task Note : "



                />

        </RelativeLayout>


    </androidx.cardview.widget.CardView>

</LinearLayout>

Create a Activity

TaskInputActivity

xml Code

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".OtherActivity.TaskInputActivity"
    android:orientation="vertical"
    android:background="@color/white"
    >
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="100dp"
        android:orientation="horizontal"
        android:background="@drawable/toolbar"
        >

        <ImageView
            android:id="@+id/back"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/backarrow"
            android:layout_marginTop="35dp"
            android:layout_marginStart="20dp"

            />

        <TextView
            android:id="@+id/textView"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="View and Edit"
            android:textSize="25sp"
            android:textStyle="bold"
            android:layout_centerInParent="true"
            />


</RelativeLayout>


    <com.google.android.material.textfield.TextInputLayout
        android:id="@+id/filledTextField"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"
        android:layout_marginEnd="10dp"
        android:hint="What needs to be done?"
        app:hintTextColor="@color/black"
        android:textColorHint="@color/black"
        app:boxStrokeColor="@color/black"
        app:cursorColor="@color/black"

        >
        <com.google.android.material.textfield.TextInputEditText
            android:id="@+id/todo_task"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:textColorHint="@color/black"
            android:textColor="@color/black"
            android:textSize="20sp"
            android:textStyle="bold"


            />

    </com.google.android.material.textfield.TextInputLayout>




    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Priority"
        android:textSize="25sp"
        android:textStyle="bold"
        android:layout_marginTop="15dp"
        android:layout_marginStart="10dp"
        android:textColor="#009688"
        />

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:layout_marginTop="15dp"
        android:layout_marginStart="10dp"
        android:layout_marginEnd="10dp"
        android:background="#0C000000"
        >


        <CheckBox
            android:id="@+id/phigh"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Emergency"
            android:textColor="#0B2FF6"
            android:textStyle="bold"
            android:textSize="20sp"
            />
        <CheckBox
            android:id="@+id/pmedium"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Important"
            android:textColor="#0B2FF6"
            android:textStyle="bold"
            android:textSize="20sp"
            android:layout_centerInParent="true"
            />
        <CheckBox
            android:id="@+id/plow"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Average"
            android:textColor="#0B2FF6"
            android:textStyle="bold"
            android:textSize="20sp"
            android:layout_alignParentRight="true"
            />

    </RelativeLayout>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Due Date"
        android:textSize="25sp"
        android:textStyle="bold"
        android:layout_marginTop="15dp"
        android:layout_marginStart="10dp"
        android:textColor="#009688"
        />



    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="15dp"
        >

        <ImageView
            android:id="@+id/date"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/calender"
            android:layout_marginStart="10dp"
            />

        <TextView
            android:id="@+id/datedisplay"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text=""
            android:textSize="20sp"
            android:textStyle="bold"
            android:layout_marginStart="10dp"
            android:textColor="#3F51B5"
            android:layout_gravity="center"
            />

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="15dp"
        >

        <ImageView
            android:id="@+id/time"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/time"
            android:layout_marginStart="10dp"
            android:layout_gravity="center"

            />

        <TextView
            android:id="@+id/timedisplay"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text=""
            android:textSize="20sp"
            android:textStyle="bold"
            android:layout_marginStart="10dp"
            android:textColor="#3F51B5"
            android:layout_gravity="center"
            />

    </LinearLayout>



    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Reminder"
        android:textSize="25sp"
        android:textStyle="bold"
        android:layout_marginTop="15dp"
        android:layout_marginStart="10dp"
        android:textColor="#009688"
        />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="15dp"
        >

        <ImageView
            android:id="@+id/alarm"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/alarm"
            android:layout_marginStart="10dp"
            android:layout_gravity="center"
            />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Set reminder"
            android:textSize="20sp"
            android:textStyle="bold"
            android:layout_marginStart="10dp"
            android:textColor="#3F51B5"
            android:layout_gravity="center"
            />

    </LinearLayout>



    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="15dp"

        >
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Notes"
            android:textSize="25sp"
            android:textStyle="bold"
            android:layout_marginStart="10dp"
            android:textColor="#009688"
            />



        <com.google.android.material.floatingactionbutton.FloatingActionButton
            android:id="@+id/savefbBtn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:src="@drawable/save"
            android:layout_marginEnd="20dp"
            android:layout_marginBottom="5dp"
                  />

    </RelativeLayout>

    <EditText
        android:id="@+id/note"
        android:layout_margin="10dp"
        android:layout_width="match_parent"
        android:layout_height="120dp"
        android:hint=" Write Your Note"
        android:background="@drawable/edbackground"
        android:textColorHint="@color/black"
        android:textColor="@color/black"
        android:textSize="18sp"
        android:textStyle="italic|bold"
        android:gravity="top|start"
        app:cursorColor="@color/black"

        />

</LinearLayout>

TaskInputActivity Java Code

package com.dailytodolist.todolist.OtherActivity;

import android.annotation.SuppressLint;
import android.app.DatePickerDialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.view.View;
import android.widget.CheckBox;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

import com.dailytodolist.todolist.Adapter.TaskAdapter;
import com.dailytodolist.todolist.R;
import com.dailytodolist.todolist.RoomDatabase.AdapterListener;
import com.dailytodolist.todolist.RoomDatabase.TaskDao;
import com.dailytodolist.todolist.RoomDatabase.ToDoDatabase;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import com.google.android.material.textfield.TextInputEditText;

import java.util.Calendar;

public class TaskInputActivity extends AppCompatActivity implements AdapterListener {

    ImageView back,date,time,alarm;
    CheckBox phigh,pmedium,plow;
    FloatingActionButton savefbBtn;
    TextInputEditText todo_task;
    TextView datedisplay,timedisplay;
    EditText note;
    TaskAdapter taskAdapter;

    ToDoDatabase toDoDatabase;
    TaskDao taskDao;

    @SuppressLint("MissingInflatedId")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_task_input);

        back=findViewById(R.id.back);
        date=findViewById(R.id.date);
        time=findViewById(R.id.time);
        alarm=findViewById(R.id.alarm);
        phigh=findViewById(R.id.phigh);
        pmedium=findViewById(R.id.pmedium);
        plow=findViewById(R.id.plow);
        savefbBtn=findViewById(R.id.savefbBtn);
        todo_task=findViewById(R.id.todo_task);
        note=findViewById(R.id.note);
        datedisplay=findViewById(R.id.datedisplay);
        timedisplay=findViewById(R.id.timedisplay);

        taskAdapter=new TaskAdapter(this,  this);
        toDoDatabase=ToDoDatabase.getInstance(this);
        taskDao=toDoDatabase.getTaskDao();
        back.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                finish();
            }
        });


        DatePicker();
        TimePicker();
        PcheckBox();
        SaveData();





    }









    public void PcheckBox(){


    }











    public void DatePicker(){

        date.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {



                final Calendar c = Calendar.getInstance();

                // on below line we are getting
                // our day, month and year.
                int year = c.get(Calendar.YEAR);
                int month = c.get(Calendar.MONTH);
                int day = c.get(Calendar.DAY_OF_MONTH);

                // on below line we are creating a variable for date picker dialog.
                DatePickerDialog datePickerDialog = new DatePickerDialog(
                        // on below line we are passing context.
                        TaskInputActivity.this,
                        new DatePickerDialog.OnDateSetListener() {
                            @Override
                            public void onDateSet(DatePicker view, int year,
                                                  int monthOfYear, int dayOfMonth) {
                                // on below line we are setting date to our text view.
                                datedisplay.setText(dayOfMonth + "-" + (monthOfYear + 1) + "-" + year);

                            }
                        },
                        // on below line we are passing year,
                        // month and day for selected date in our date picker.
                        year, month, day);
                // at last we are calling show to
                // display our date picker dialog.
                datePickerDialog.show();
            }
        });





    }

    public void TimePicker(){

        time.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                final Calendar c = Calendar.getInstance();

                // on below line we are getting our hour, minute.
                int hour = c.get(Calendar.HOUR);
                int minute = c.get(Calendar.MINUTE);

                // on below line we are initializing our Time Picker Dialog
                TimePickerDialog timePickerDialog = new TimePickerDialog(TaskInputActivity.this,
                        new TimePickerDialog.OnTimeSetListener() {
                            @Override
                            public void onTimeSet(TimePicker view, int hourOfDay,
                                                  int minute) {
                                // on below line we are setting selected time
                                // in our text view.
                                timedisplay.setText(hourOfDay + ":" + minute);
                            }
                        }, hour, minute,true);
                // at last we are calling show to
                // display our time picker dialog.
                timePickerDialog.show();
            }
        });



    }


    public void SaveData(){

        savefbBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                String checkdData="";
                if (phigh.isChecked())
                {
                    checkdData =  phigh.getText().toString();

                }


                if (pmedium.isChecked())
                {
                    checkdData= pmedium.getText().toString();
                }


                if (plow.isChecked())
                {
                    checkdData= plow.getText().toString();
                }


             String stask =todo_task.getText().toString();
             String sdate=datedisplay.getText().toString();
             String stime=timedisplay.getText().toString();
             String snote=note.getText().toString();

             ModelClass md=new ModelClass(0,stask,checkdData,sdate,stime,snote);
             taskAdapter.addTask(md);
             taskDao.insert(md);



             Toast.makeText(TaskInputActivity.this, "Saved", Toast.LENGTH_SHORT).show();







            }
        });
    }


    @Override
    public void onUpdate(ModelClass modelClass) {

    }

    @Override
    public void onDelete(int id, int pos) {

    }
}

Create a Interface

AdapterListener

package com.dailytodolist.todolist.RoomDatabase;

import com.dailytodolist.todolist.OtherActivity.ModelClass;

public interface AdapterListener {

    void onUpdate(ModelClass modelClass);
    void onDelete(int id,int pos);
}