Крупное обновление 2.0

.idea/deploymentTargetSelector.xml

@@ -4,6 +4,14 @@
     <selectionStates>
       <SelectionState runConfigName="app">
         <option name="selectionMode" value="DROPDOWN" />
+        <DropdownSelection timestamp="2025-05-17T08:55:13.914480200Z">
+          <Target type="DEFAULT_BOOT">
+            <handle>
+              <DeviceId pluginId="PhysicalDevice" identifier="serial=28161JEGR06778" />
+            </handle>
+          </Target>
+        </DropdownSelection>
+        <DialogSelection />
       </SelectionState>
     </selectionStates>
   </component>

app/build.gradle.kts

@@ -14,6 +14,8 @@ android {
         versionName = "1.0"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+
+        
     }
 
     buildTypes {
@@ -35,7 +37,6 @@ android {
 }
 
 dependencies {
-
     implementation(libs.appcompat)
     implementation(libs.material)
     implementation(libs.constraintlayout)
@@ -43,6 +44,11 @@ dependencies {
     implementation(libs.lifecycle.viewmodel.ktx)
     implementation(libs.navigation.fragment)
     implementation(libs.navigation.ui)
+
+    implementation("androidx.room:room-runtime:2.7.1")
+    implementation(libs.room.common.jvm)
+    annotationProcessor("androidx.room:room-compiler:2.7.1")
+
     testImplementation(libs.junit)
     androidTestImplementation(libs.ext.junit)
     androidTestImplementation(libs.espresso.core)

app/src/main/java/com/kolobochki/memory/AppDatabase.java

@@ -0,0 +1,32 @@
+package com.kolobochki.memory;
+
+import android.content.Context;
+
+import androidx.room.Database;
+import androidx.room.Room;
+import androidx.room.RoomDatabase;
+
+@Database(
+        entities = {LevelRecord.class},
+        version = 1,
+        exportSchema = true
+)
+public abstract class AppDatabase extends RoomDatabase {
+    public abstract LevelRecordDao levelRecordDao();
+
+    private static volatile AppDatabase INSTANCE;
+
+    public static AppDatabase getDatabase(Context context) {
+        if (INSTANCE == null) {
+            synchronized (AppDatabase.class) {
+                if (INSTANCE == null) {
+                    INSTANCE = Room.databaseBuilder(context.getApplicationContext(),
+                                    AppDatabase.class, "memory-db")
+                            .fallbackToDestructiveMigration()
+                            .build();
+                }
+            }
+        }
+        return INSTANCE;
+    }
+}

app/src/main/java/com/kolobochki/memory/GameRepository.java

@@ -0,0 +1,50 @@
+package com.kolobochki.memory;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+
+import java.util.List;
+
+public class GameRepository {
+    private final LevelRecordDao recordDao;
+
+    public GameRepository(LevelRecordDao recordDao) {
+        this.recordDao = recordDao;
+    }
+
+    // Сохранить результат уровня
+    public void saveLevelResult(int levelId, int score) {
+        new Thread(() -> {
+            LevelRecord existing = recordDao.getRecordForLevel(levelId);
+
+            if (existing == null) {
+                // Первая попытка на этом уровне
+                recordDao.insert(new LevelRecord(levelId, score, 1));
+            } else {
+                // Обновляем если результат лучше
+                recordDao.updateIfBetter(levelId, score);
+                if (score <= existing.bestScore) {
+                    // Просто увеличиваем счётчик попыток
+                    existing.attemptsCount++;
+                    recordDao.update(existing);
+                }
+            }
+        }).start();
+    }
+
+    // Получить все записи
+    public LiveData<List<LevelRecord>> getAllRecords() {
+        MutableLiveData<List<LevelRecord>> liveData = new MutableLiveData<>();
+        new Thread(() -> {
+            liveData.postValue(recordDao.getAllRecords());
+        }).start();
+        return liveData;
+    }
+
+    // Сбросить все данные
+    public void resetAllData() {
+        new Thread(() -> {
+            recordDao.deleteAllRecords();
+        }).start();
+    }
+}

app/src/main/java/com/kolobochki/memory/LevelRecord.java

@@ -0,0 +1,21 @@
+package com.kolobochki.memory;
+
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+@Entity(tableName = "level_records")
+public class LevelRecord {
+    @PrimaryKey
+    public int levelId;
+
+    public int bestScore;
+    public int attemptsCount;
+    public long lastPlayedTime;
+
+    public LevelRecord(int levelId, int bestScore, int attemptsCount) {
+        this.levelId = levelId;
+        this.bestScore = bestScore;
+        this.attemptsCount = attemptsCount;
+        this.lastPlayedTime = System.currentTimeMillis();
+    }
+}

app/src/main/java/com/kolobochki/memory/LevelRecordDao.java

@@ -0,0 +1,30 @@
+package com.kolobochki.memory;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+import androidx.room.Update;
+
+import java.util.List;
+
+@Dao
+public interface LevelRecordDao {
+    @Insert
+    void insert(LevelRecord record);
+
+    @Update
+    void update(LevelRecord record);
+
+    @Query("SELECT * FROM level_records WHERE levelId = :levelId")
+    LevelRecord getRecordForLevel(int levelId);
+
+    @Query("SELECT * FROM level_records ORDER BY levelId ASC")
+    List<LevelRecord> getAllRecords();
+
+    @Query("DELETE FROM level_records")
+    void deleteAllRecords();
+
+    @Query("UPDATE level_records SET bestScore = :newScore, attemptsCount = attemptsCount + 1 WHERE levelId = :levelId AND :newScore > bestScore")
+    void updateIfBetter(int levelId, int newScore);
+
+}

app/src/main/java/com/kolobochki/memory/MainActivity.java

@@ -10,36 +10,80 @@ import androidx.navigation.NavController;
 import androidx.navigation.Navigation;
 import androidx.navigation.ui.AppBarConfiguration;
 import androidx.navigation.ui.NavigationUI;
+import androidx.room.Room;
 
 import com.kolobochki.memory.databinding.ActivityMainBinding;
 
+import com.kolobochki.memory.AppDatabase;
+import com.kolobochki.memory.GameRepository;
+
 public class MainActivity extends AppCompatActivity {
 
     private ActivityMainBinding binding;
     private NavController navController;
 
+    private GameRepository gameRepository;
+    private static AppDatabase database;
+
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        database = Room.databaseBuilder(getApplicationContext(),
+                        AppDatabase.class, "memory-db")
+                .fallbackToDestructiveMigration()
+                .build();
+
+        gameRepository = new GameRepository(database.levelRecordDao());
+
         binding = ActivityMainBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
 
         navController = Navigation.findNavController(this, R.id.nav_host_fragment_activity_main);
 
         AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder(
-                R.id.navigation_home, R.id.navigation_dashboard, R.id.navigation_task1)
+                R.id.navigation_home,
+                R.id.navigation_dashboard,
+                R.id.navigation_task1,
+                R.id.navigation_task2,
+                R.id.navigation_task3,
+                R.id.navigation_task4,
+                R.id.navigation_info,
+                R.id.navigation_records)
                 .build();
         NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration);
         NavigationUI.setupWithNavController(binding.navView, navController);
 
         navController.addOnDestinationChangedListener((controller, destination, arguments) -> {
-            if (destination.getId() == R.id.navigation_task1) {
+            if (destination.getId() == R.id.navigation_task1
+             || destination.getId() == R.id.navigation_task2
+             || destination.getId() == R.id.navigation_task3
+             || destination.getId() == R.id.navigation_task4
+             || destination.getId() == R.id.navigation_info
+             || destination.getId() == R.id.navigation_records) {
                 binding.navView.setVisibility(View.GONE);
             } else {
                 binding.navView.setVisibility(View.VISIBLE);
             }
         });
+
+    }
+
+    public GameRepository getGameRepository() {
+        return gameRepository;
+    }
+
+    public static AppDatabase getDatabase() {
+        return database;
+    }
+
+    @Override
+    protected void onDestroy() {
+        if (database != null && database.isOpen()) {
+            database.close();
+        }
+        super.onDestroy();
     }
 
     @Override

app/src/main/java/com/kolobochki/memory/fragment_info.java

@@ -0,0 +1,132 @@
+package com.kolobochki.memory;
+
+import android.os.Bundle;
+
+import androidx.activity.OnBackPressedCallback;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.os.Bundle;
+import com.kolobochki.memory.R;
+import com.kolobochki.memory.databinding.FragmentDashboardBinding;
+import com.kolobochki.memory.databinding.FragmentInfoBinding;
+
+public class fragment_info extends Fragment {
+
+    private FragmentInfoBinding binding;
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+
+    private TextView helpText;
+
+    private String mParam1;
+    private String mParam2;
+    private OnBackPressedCallback backPressedCallback;
+    private String previousTitle;
+
+    public fragment_info() {
+        // Required empty public constructor
+    }
+
+    public static fragment_info newInstance(String param1, String param2) {
+        fragment_info fragment = new fragment_info();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+
+        if (getActivity() instanceof AppCompatActivity) {
+            ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
+            if (actionBar != null) {
+                actionBar.setTitle("Инструкция");
+            }
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,  Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        binding = com.kolobochki.memory.databinding.FragmentInfoBinding .inflate(inflater, container, false);
+        View root = binding.getRoot();
+
+        String instructions =
+                "1. Найти пары:\n" +
+                        "   - На экране карточки перевернуты рубашкой вверх\n" +
+                        "   - Открывайте по две карточки, чтобы найти пары\n" +
+                        "   - Совпавшие карточки остаются открытыми\n" +
+                        "   - Цель: открыть все пары за минимальное время\n\n" +
+
+                        "2. Саймон говорит:\n" +
+                        "   - Саймон показывает последовательность цветов\n" +
+                        "   - Повторите показанную последовательность\n" +
+                        "   - С каждым уровнем последовательность удлиняется\n" +
+                        "   - Ошибка завершает игру\n\n" +
+
+                        "3. Числовая матрица:\n" +
+                        "   - Запомните расположение чисел в матрице\n" +
+                        "   - Восстановите числа после их исчезновения\n" +
+                        "   - Сложность повышается с каждым уровнем\n\n" +
+
+                        "4. Найти лишнее:\n" +
+                        "   - Среди нескольких объектов найдите отличающийся\n" +
+                        "   - Выберите лишний объект\n" +
+                        "   - Время на ответ ограничено";
+
+        binding.textView.setText(instructions);
+
+        return root;
+    }
+
+    private void navigateHome() {
+        NavController navController = Navigation.findNavController(requireView());
+        navController.popBackStack();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        if (backPressedCallback != null) {
+            backPressedCallback.remove();
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        if (getActivity() != null && ((AppCompatActivity)getActivity()).getSupportActionBar() != null) {
+            ((AppCompatActivity)getActivity()).getSupportActionBar().hide();
+        }
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        if (getActivity() != null && ((AppCompatActivity)getActivity()).getSupportActionBar() != null) {
+            ((AppCompatActivity)getActivity()).getSupportActionBar().show();
+        }
+
+        if (getActivity() instanceof AppCompatActivity) {
+            ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
+            if (actionBar != null && previousTitle != null) {
+                actionBar.setTitle(previousTitle);
+            }
+        }
+    }
+}

app/src/main/java/com/kolobochki/memory/fragment_records.java

@@ -0,0 +1,145 @@
+package com.kolobochki.memory;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.activity.OnBackPressedCallback;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import com.kolobochki.memory.AppDatabase;
+import com.kolobochki.memory.LevelRecord;
+import com.kolobochki.memory.LevelRecordDao;
+import java.util.List;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+public class fragment_records extends Fragment {
+
+    private RecyclerView recyclerView;
+    private StatsAdapter adapter;
+    private LevelRecordDao levelRecordDao;
+    private Executor executor = Executors.newSingleThreadExecutor();
+
+    private OnBackPressedCallback backPressedCallback;
+    private String previousTitle;
+
+    // Названия уровней
+    private final String[] levelNames = {
+            "Найти пары",
+            "Саймон говорит",
+            "Числовая матрица",
+            "Найти лишнее"
+    };
+
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        // Инициализация базы данных
+        AppDatabase db = AppDatabase.getDatabase(requireContext().getApplicationContext());
+        levelRecordDao = db.levelRecordDao();
+
+        if (getActivity() instanceof AppCompatActivity) {
+            ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
+            if (actionBar != null) {
+                actionBar.setTitle("Мой прогресс");
+            }
+        }
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_records, container, false);
+
+        recyclerView = view.findViewById(R.id.stats_recycler);
+        recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+
+        adapter = new StatsAdapter();
+        recyclerView.setAdapter(adapter);
+
+        loadStats();
+
+        return view;
+    }
+
+    private void loadStats() {
+        executor.execute(() -> {
+            try {
+                List<LevelRecord> records = levelRecordDao.getAllRecords();
+
+                // Если записей нет - создаем пустые
+                if (records == null || records.isEmpty()) {
+                    for (int i = 1; i <= 4; i++) {
+                        LevelRecord record = new LevelRecord(i, 0, 0);
+                        levelRecordDao.insert(record);
+                    }
+                    records = levelRecordDao.getAllRecords();
+                }
+
+                List<LevelRecord> finalRecords = records;
+                requireActivity().runOnUiThread(() -> {
+                    if (adapter != null) {
+                        adapter.setRecords(finalRecords);
+                    }
+                });
+            } catch (Exception e) {
+                requireActivity().runOnUiThread(() ->
+                        Toast.makeText(requireContext(), "Ошибка загрузки данных", Toast.LENGTH_SHORT).show()
+                );
+            }
+        });
+    }
+
+    // Адаптер для RecyclerView
+    private class StatsAdapter extends RecyclerView.Adapter<StatsAdapter.StatsViewHolder> {
+
+        private List<LevelRecord> records;
+
+        public void setRecords(List<LevelRecord> records) {
+            this.records = records;
+            notifyDataSetChanged();
+        }
+
+        @NonNull
+        @Override
+        public StatsViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+            View view = LayoutInflater.from(parent.getContext())
+                    .inflate(R.layout.item_level_stat, parent, false);
+            return new StatsViewHolder(view);
+        }
+
+        @Override
+        public void onBindViewHolder(@NonNull StatsViewHolder holder, int position) {
+            LevelRecord record = records.get(position);
+            holder.levelName.setText(levelNames[record.levelId - 1]);
+            holder.bestScore.setText("Рекорд: " + record.bestScore);
+            holder.attempts.setText("Попыток: " + record.attemptsCount);
+        }
+
+        @Override
+        public int getItemCount() {
+            return records != null ? records.size() : 0;
+        }
+
+        class StatsViewHolder extends RecyclerView.ViewHolder {
+            TextView levelName, bestScore, attempts;
+
+            StatsViewHolder(View itemView) {
+                super(itemView);
+                levelName = itemView.findViewById(R.id.level_name);
+                bestScore = itemView.findViewById(R.id.best_score);
+                attempts = itemView.findViewById(R.id.attempts_count);
+            }
+        }
+    }
+}

app/src/main/java/com/kolobochki/memory/fragment_task1.java

@@ -1,10 +1,8 @@
 package com.kolobochki.memory;
 
 import android.os.Bundle;
-
 import androidx.appcompat.app.ActionBar;
 import androidx.fragment.app.Fragment;
-
 import android.os.Handler;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -14,17 +12,23 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.ProgressBar;
 import android.widget.TextView;
-
+import android.widget.Toast;
 import androidx.activity.OnBackPressedCallback;
 import androidx.appcompat.app.AlertDialog;
 import androidx.navigation.NavController;
 import androidx.navigation.Navigation;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.room.Room;
+
+import com.kolobochki.memory.AppDatabase;
+import com.kolobochki.memory.LevelRecord;
+import com.kolobochki.memory.LevelRecordDao;
+
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-
-import com.kolobochki.memory.R;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
 
 public class fragment_task1 extends Fragment {
 
@@ -35,44 +39,35 @@ public class fragment_task1 extends Fragment {
     private OnBackPressedCallback backPressedCallback;
     private String previousTitle;
 
-    // ----------------------------------------------
-
-    private static final int PAIRS_COUNT = 6; // Кол-во пар
-    private static final int GRID_COLUMNS = 4; // Кол-во колонок
-    private static final int PREVIEW_TIME = 5000; // Задержка в начале в мс
-    private static final int SUCCESS_DELAY = 4000; // Задержка в конце в мс
-    private static final int INITIAL_LIVES = 3; // Кол-во жизек
-
-    // ----------------------------------------------
+    // Game constants
+    private static final int PAIRS_COUNT = 6;
+    private static final int GRID_COLUMNS = 4;
+    private static final int PREVIEW_TIME = 5000;
+    private static final int SUCCESS_DELAY = 4000;
+    private static final int INITIAL_LIVES = 3;
+    private static final int LEVEL_ID = 1; // ID для первого уровня
 
+    // Game variables
     private int score = 0;
     private int lives = INITIAL_LIVES;
-    private int flippedCount = 0;
     private ImageView firstFlipped = null;
     private boolean isPreview = true;
     private boolean isGameComplete = false;
 
-    // ----------------------------------------------
-
+    // Views
     private GridLayout gridLayout;
     private ProgressBar progressBar;
     private List<Integer> tileImages = new ArrayList<>();
     private List<ImageView> tiles = new ArrayList<>();
     private LinearLayout livesLayout;
 
-    // -----------------------------------------------
+    // Database
+    private AppDatabase database;
+    private LevelRecordDao levelRecordDao;
+    private Executor executor = Executors.newSingleThreadExecutor();
 
     public fragment_task1() {}
 
-    public static fragment_task1 newInstance(String param1, String param2) {
-        fragment_task1 fragment = new fragment_task1();
-        Bundle args = new Bundle();
-        args.putString(ARG_PARAM1, param1);
-        args.putString(ARG_PARAM2, param2);
-        fragment.setArguments(args);
-        return fragment;
-    }
-
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -81,7 +76,10 @@ public class fragment_task1 extends Fragment {
             mParam2 = getArguments().getString(ARG_PARAM2);
         }
 
-        OnBackPressedCallback backPressedCallback = new OnBackPressedCallback(true) {
+        database = AppDatabase.getDatabase(requireContext());
+        levelRecordDao = database.levelRecordDao();
+
+        backPressedCallback = new OnBackPressedCallback(true) {
             @Override
             public void handleOnBackPressed() {
                 if (!isGameComplete) {
@@ -168,7 +166,6 @@ public class fragment_task1 extends Fragment {
         }, PREVIEW_TIME);
     }
 
-
     private void flipAllTiles() {
         for (ImageView tile : tiles) {
             tile.setImageResource(R.drawable.tile_back);
@@ -233,11 +230,13 @@ public class fragment_task1 extends Fragment {
 
     private void gameComplete() {
         isGameComplete = true;
+        saveGameResult(true);
         new Handler().postDelayed(this::navigateHome, 1500);
     }
 
     private void gameOver() {
         isGameComplete = true;
+        saveGameResult(false);
         new AlertDialog.Builder(requireContext())
                 .setTitle("Игра окончена")
                 .setMessage("Вы проиграли. Попробуйте еще раз!")
@@ -246,6 +245,49 @@ public class fragment_task1 extends Fragment {
                 .show();
     }
 
+    private void saveGameResult(boolean isWin) {
+        executor.execute(() -> {
+            try {
+                LevelRecord existingRecord = levelRecordDao.getRecordForLevel(LEVEL_ID);
+
+                if (existingRecord == null) {
+                    // Первая запись для этого уровня
+                    LevelRecord newRecord = new LevelRecord(LEVEL_ID, isWin ? score : 0, 1);
+                    levelRecordDao.insert(newRecord);
+
+                    if (isWin) {
+                        showNewRecordToast(score);
+                    }
+                } else {
+                    boolean isNewRecord = false;
+
+                    if (isWin && score > existingRecord.bestScore) {
+                        existingRecord.bestScore = score;
+                        isNewRecord = true;
+                    }
+
+                    existingRecord.attemptsCount++;
+                    levelRecordDao.update(existingRecord);
+
+                    if (isNewRecord) {
+                        showNewRecordToast(score);
+                    }
+                }
+            } catch (Exception e) {
+                requireActivity().runOnUiThread(() ->
+                        Toast.makeText(requireContext(), "Ошибка сохранения: " + e.getMessage(), Toast.LENGTH_SHORT).show()
+                );
+            }
+        });
+    }
+
+    private void showNewRecordToast(int score) {
+        requireActivity().runOnUiThread(() -> {
+            Toast.makeText(requireContext(),
+                    "Новый рекорд: " + score, Toast.LENGTH_SHORT).show();
+        });
+    }
+
     private void navigateHome() {
         NavController navController = Navigation.findNavController(requireView());
         navController.popBackStack();
@@ -257,6 +299,9 @@ public class fragment_task1 extends Fragment {
         if (backPressedCallback != null) {
             backPressedCallback.remove();
         }
+        if (database != null) {
+            database.close();
+        }
     }
 
     private void showExitConfirmationDialog() {

app/src/main/java/com/kolobochki/memory/fragment_task2.java

@@ -0,0 +1,370 @@
+package com.kolobochki.memory;
+
+import static com.kolobochki.memory.R.*;
+
+import android.os.Bundle;
+import androidx.activity.OnBackPressedCallback;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import android.os.Handler;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import android.widget.Button;
+import android.widget.GridLayout;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+import com.kolobochki.memory.AppDatabase;
+import com.kolobochki.memory.LevelRecord;
+import com.kolobochki.memory.LevelRecordDao;
+
+public class fragment_task2 extends Fragment {
+
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+    private static final int LEVEL_ID = 2; // ID для второго уровня
+
+    private String mParam1;
+    private String mParam2;
+    private String previousTitle;
+    private boolean isGameComplete = false;
+
+    private List<Integer> sequence = new ArrayList<>();
+    private int currentStep = 0;
+    private int round = 1;
+    private int lives = 3;
+    private boolean isShowingSequence = false;
+    private boolean isWaitingForInput = false;
+
+    private Button redButton, greenButton, blueButton, yellowButton;
+    private ImageView centerImage;
+    private TextView roundText, livesText;
+    private GridLayout buttonsGrid;
+
+    // Database
+    private AppDatabase database;
+    private LevelRecordDao levelRecordDao;
+    private Executor executor = Executors.newSingleThreadExecutor();
+
+    private final int[] colorImages = {
+            R.drawable.simon_red,
+            R.drawable.simon_green,
+            R.drawable.simon_blue,
+            R.drawable.simon_yellow,
+            R.drawable.simon_off
+    };
+
+    public fragment_task2() {
+        // Required empty public constructor
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+
+        database = AppDatabase.getDatabase(requireContext());
+        levelRecordDao = database.levelRecordDao();
+
+        OnBackPressedCallback backPressedCallback = new OnBackPressedCallback(true) {
+            @Override
+            public void handleOnBackPressed() {
+                if (!isGameComplete) {
+                    showExitConfirmationDialog();
+                } else {
+                    setEnabled(false);
+                    navigateHome();
+                }
+            }
+        };
+        requireActivity().getOnBackPressedDispatcher().addCallback(this, backPressedCallback);
+
+        executor.execute(() -> {
+            LevelRecord existingRecord = levelRecordDao.getRecordForLevel(LEVEL_ID);
+            if (existingRecord != null) {
+                existingRecord.attemptsCount++;
+                levelRecordDao.update(existingRecord);
+            }
+        });
+
+        if (getActivity() instanceof AppCompatActivity) {
+            ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
+            if (actionBar != null) {
+                actionBar.setTitle("Упражнение 2");
+            }
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_task2, container, false);
+
+        redButton = view.findViewById(R.id.redButton);
+        greenButton = view.findViewById(R.id.greenButton);
+        blueButton = view.findViewById(R.id.blueButton);
+        yellowButton = view.findViewById(R.id.yellowButton);
+        centerImage = view.findViewById(R.id.centerImage);
+        roundText = view.findViewById(R.id.roundText);
+        livesText = view.findViewById(R.id.livesText);
+        buttonsGrid = view.findViewById(R.id.buttonsGrid);
+
+        redButton.setOnClickListener(v -> onColorClicked(0));
+        greenButton.setOnClickListener(v -> onColorClicked(1));
+        blueButton.setOnClickListener(v -> onColorClicked(2));
+        yellowButton.setOnClickListener(v -> onColorClicked(3));
+
+        startNewGame();
+
+        return view;
+    }
+
+    private void startNewGame() {
+        sequence.clear();
+        round = 1;
+        lives = 3;
+        currentStep = 0;
+        isGameComplete = false;
+        updateUI();
+
+        for (int i = 0; i < 3; i++) {
+            generateNextSequence();
+        }
+
+        showSequence();
+    }
+
+    private void generateNextSequence() {
+        Random random = new Random();
+        sequence.add(random.nextInt(4));
+    }
+
+    private void showSequence() {
+        isShowingSequence = true;
+        isWaitingForInput = false;
+        buttonsGrid.setVisibility(View.INVISIBLE);
+
+        Handler handler = new Handler();
+        for (int i = 0; i < sequence.size(); i++) {
+            final int colorIndex = sequence.get(i);
+            handler.postDelayed(() -> showColor(colorIndex), i * 1000L);
+            handler.postDelayed(() -> resetCenterImage(), i * 1000L + 800L);
+        }
+
+        handler.postDelayed(() -> {
+            isShowingSequence = false;
+            isWaitingForInput = true;
+            currentStep = 0;
+            buttonsGrid.setVisibility(View.VISIBLE);
+            centerImage.setImageResource(R.drawable.simon_off);
+        }, sequence.size() * 1000L);
+    }
+
+    private void highlightButton(int colorIndex) {
+        switch (colorIndex) {
+            case 0:
+                redButton.setBackgroundResource(R.drawable.simon_red);
+                break;
+            case 1:
+                greenButton.setBackgroundResource(R.drawable.simon_green);
+                break;
+            case 2:
+                blueButton.setBackgroundResource(R.drawable.simon_blue);
+                break;
+            case 3:
+                yellowButton.setBackgroundResource(R.drawable.simon_yellow);
+                break;
+        }
+    }
+
+    private void showColor(int colorIndex) {
+        centerImage.setImageResource(colorImages[colorIndex]);
+    }
+
+    private void resetCenterImage() {
+        centerImage.setImageResource(R.drawable.simon_off);
+    }
+
+    private void resetButtons() {
+        redButton.setBackgroundResource(R.drawable.simon_off);
+        greenButton.setBackgroundResource(R.drawable.simon_off);
+        blueButton.setBackgroundResource(R.drawable.simon_off);
+        yellowButton.setBackgroundResource(R.drawable.simon_off);
+    }
+
+    private void onColorClicked(int colorIndex) {
+        if (!isWaitingForInput || isShowingSequence) return;
+
+        showColor(colorIndex);
+        new Handler().postDelayed(this::resetCenterImage, 300);
+
+        if (colorIndex == sequence.get(currentStep)) {
+            currentStep++;
+            if (currentStep == sequence.size()) {
+                round++;
+                currentStep = 0;
+                updateUI();
+
+                checkAndUpdateRecord(round);
+
+                generateNextSequence();
+                new Handler().postDelayed(() -> {
+                    if (!isGameComplete) {
+                        showSequence();
+                    }
+                }, 1000);
+            }
+        } else {
+            lives--;
+            updateUI();
+            if (lives <= 0) {
+                gameOver();
+            } else {
+                new Handler().postDelayed(() -> {
+                    if (!isGameComplete) {
+                        currentStep = 0;
+                        showSequence();
+                    }
+                }, 1000);
+            }
+        }
+    }
+
+    private void checkAndUpdateRecord(int currentRound) {
+        executor.execute(() -> {
+            LevelRecord record = levelRecordDao.getRecordForLevel(LEVEL_ID);
+            if (record != null && currentRound > record.bestScore) {
+                record.bestScore = currentRound;
+                levelRecordDao.update(record);
+                showNewRecordToast(currentRound);
+            }
+        });
+    }
+
+    private void updateUI() {
+        roundText.setText("Раунд: " + round);
+
+        StringBuilder hearts = new StringBuilder();
+        for (int i = 0; i < lives; i++) {
+            hearts.append("❤️");
+        }
+        livesText.setText(hearts.toString());
+    }
+
+    private void gameOver() {
+        isGameComplete = true;
+        isWaitingForInput = false;
+
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Игра окончена")
+                .setMessage("Вы прошли " + round + " раундов!")
+                .setPositiveButton("Играть снова", (dialog, which) -> {
+                    isGameComplete = false;
+                    startNewGame();
+                })
+                .setNegativeButton("Выход", (dialog, which) -> navigateHome())
+                .setCancelable(false)
+                .show();
+    }
+
+    private void saveGameResult(int roundsCompleted) {
+        executor.execute(() -> {
+            try {
+                LevelRecord existingRecord = levelRecordDao.getRecordForLevel(LEVEL_ID);
+
+                if (existingRecord == null) {
+                    LevelRecord newRecord = new LevelRecord(LEVEL_ID, roundsCompleted, 1);
+                    levelRecordDao.insert(newRecord);
+                    showNewRecordToast(roundsCompleted);
+                } else {
+                    boolean isNewRecord = false;
+
+                    if (roundsCompleted > existingRecord.bestScore) {
+                        existingRecord.bestScore = roundsCompleted;
+                        isNewRecord = true;
+                    }
+
+                    existingRecord.attemptsCount++;
+                    levelRecordDao.update(existingRecord);
+
+                    if (isNewRecord) {
+                        showNewRecordToast(roundsCompleted);
+                    }
+                }
+            } catch (Exception e) {
+                requireActivity().runOnUiThread(() ->
+                        Toast.makeText(requireContext(), "Ошибка сохранения: " + e.getMessage(), Toast.LENGTH_SHORT).show()
+                );
+            }
+        });
+    }
+
+    private void showNewRecordToast(int score) {
+        requireActivity().runOnUiThread(() -> {
+            Toast.makeText(requireContext(),
+                    "Новый рекорд: " + score + " раундов", Toast.LENGTH_SHORT).show();
+        });
+    }
+
+    private void showExitConfirmationDialog() {
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Закончить упражнение?")
+                .setMessage("Вы точно хотите закончить упражнение?")
+                .setPositiveButton("Да", (dialog, which) -> {
+                    NavController navController = Navigation.findNavController(requireView());
+                    navController.popBackStack();
+                })
+                .setNegativeButton("Нет", null)
+                .show();
+    }
+
+    private void navigateHome() {
+        NavController navController = Navigation.findNavController(requireView());
+        navController.popBackStack();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        if (getActivity() != null && ((AppCompatActivity)getActivity()).getSupportActionBar() != null) {
+            ((AppCompatActivity)getActivity()).getSupportActionBar().hide();
+        }
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        if (getActivity() != null && ((AppCompatActivity)getActivity()).getSupportActionBar() != null) {
+            ((AppCompatActivity)getActivity()).getSupportActionBar().show();
+        }
+
+        if (getActivity() instanceof AppCompatActivity) {
+            ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
+            if (actionBar != null && previousTitle != null) {
+                actionBar.setTitle(previousTitle);
+            }
+        }
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        if (database != null) {
+            database.close();
+        }
+    }
+}

app/src/main/java/com/kolobochki/memory/fragment_task3.java

@@ -0,0 +1,297 @@
+package com.kolobochki.memory;
+
+import android.os.Bundle;
+import android.os.Handler;
+import android.util.DisplayMetrics;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.GridLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.activity.OnBackPressedCallback;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+public class fragment_task3 extends Fragment {
+
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+    private static final int LEVEL_ID = 3;
+
+    private AppDatabase database;
+    private LevelRecordDao levelRecordDao;
+    private Executor executor = Executors.newSingleThreadExecutor();
+
+    private String mParam1;
+    private String mParam2;
+    private String previousTitle;
+    private boolean isGameComplete = false;
+
+    private GridLayout gridLayout;
+    private TextView roundTextView;
+    private TextView livesTextView;
+    private List<Integer> sequence = new ArrayList<>();
+    private List<Integer> userSequence = new ArrayList<>();
+    private int currentRound = 1;
+    private int lives = 3;
+    private int rows = 3;
+    private int cols = 3;
+    private final int SHOW_TIME = 4500;
+
+    public fragment_task3() {
+        // Required empty public constructor
+    }
+
+    public static fragment_task3 newInstance(String param1, String param2) {
+        fragment_task3 fragment = new fragment_task3();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+
+        database = AppDatabase.getDatabase(requireContext());
+        levelRecordDao = database.levelRecordDao();
+
+        executor.execute(() -> {
+            LevelRecord existingRecord = levelRecordDao.getRecordForLevel(LEVEL_ID);
+            if (existingRecord != null) {
+                existingRecord.attemptsCount++;
+                levelRecordDao.update(existingRecord);
+            } else {
+                LevelRecord newRecord = new LevelRecord(LEVEL_ID, 0, 1);
+                levelRecordDao.insert(newRecord);
+            }
+        });
+
+        OnBackPressedCallback backPressedCallback = new OnBackPressedCallback(true) {
+            @Override
+            public void handleOnBackPressed() {
+                if (!isGameComplete) {
+                    showExitConfirmationDialog();
+                } else {
+                    setEnabled(false);
+                    navigateHome();
+                }
+            }
+        };
+        requireActivity().getOnBackPressedDispatcher().addCallback(this, backPressedCallback);
+
+        if (getActivity() instanceof AppCompatActivity) {
+            ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
+            if (actionBar != null) {
+                actionBar.setTitle("Упражнение 3");
+            }
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_task3, container, false);
+
+        gridLayout = view.findViewById(R.id.gridLayout);
+        roundTextView = view.findViewById(R.id.roundTextView);
+        livesTextView = view.findViewById(R.id.livesTextView);
+
+        setupGame();
+
+        return view;
+    }
+
+    private void setupGame() {
+        sequence.clear();
+        userSequence.clear();
+        gridLayout.removeAllViews();
+
+        gridLayout.setRowCount(rows);
+        gridLayout.setColumnCount(cols);
+
+        DisplayMetrics displayMetrics = new DisplayMetrics();
+        getActivity().getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
+        int screenWidth = displayMetrics.widthPixels;
+        int cellSize = (int) (screenWidth * 0.8 / cols);
+
+        int totalCells = rows * cols;
+        for (int i = 1; i <= totalCells; i++) {
+            sequence.add(i);
+        }
+
+        Collections.shuffle(sequence);
+
+        for (int i = 0; i < totalCells; i++) {
+            Button button = new Button(getContext());
+            button.setTag(sequence.get(i));
+            button.setText(String.valueOf(sequence.get(i)));
+            button.setTextSize(24);
+            //button.setBackgroundResource(R.drawable.cell_background);
+
+            GridLayout.LayoutParams params = new GridLayout.LayoutParams();
+            params.width = cellSize;
+            params.height = cellSize;
+            params.rowSpec = GridLayout.spec(i / cols, 1f);
+            params.columnSpec = GridLayout.spec(i % cols, 1f);
+            params.setMargins(4, 4, 4, 4);
+
+            button.setLayoutParams(params);
+            gridLayout.addView(button);
+        }
+
+        updateUI();
+
+        new Handler().postDelayed(this::hideNumbers, SHOW_TIME);
+    }
+
+    private void hideNumbers() {
+        for (int i = 0; i < gridLayout.getChildCount(); i++) {
+            Button button = (Button) gridLayout.getChildAt(i);
+            button.setText("");
+            button.setOnClickListener(v -> {
+                Button clickedButton = (Button) v;
+                int number = (int) clickedButton.getTag();
+                userSequence.add(number);
+                clickedButton.setText(String.valueOf(number));
+
+                if (userSequence.size() == sequence.size()) {
+                    checkSequence();
+                }
+            });
+        }
+    }
+
+    private void checkSequence() {
+        boolean isCorrect = true;
+        for (int i = 0; i < sequence.size(); i++) {
+            if (!sequence.get(i).equals(userSequence.get(i))) {
+                isCorrect = false;
+                break;
+            }
+        }
+
+        if (isCorrect) {
+            currentRound++;
+            // Проверяем и обновляем рекорд сразу при увеличении раунда
+            checkAndUpdateRecord(currentRound);
+
+            Toast.makeText(getContext(), "Правильно! Раунд " + currentRound, Toast.LENGTH_SHORT).show();
+            new Handler().postDelayed(this::setupGame, 1500);
+        } else {
+            lives--;
+            if (lives <= 0) {
+                gameOver();
+            } else {
+                Toast.makeText(getContext(), "Ошибка! Осталось жизней: " + lives, Toast.LENGTH_SHORT).show();
+                new Handler().postDelayed(this::setupGame, 1500);
+            }
+        }
+    }
+
+    private void checkAndUpdateRecord(int currentRound) {
+        executor.execute(() -> {
+            LevelRecord record = levelRecordDao.getRecordForLevel(LEVEL_ID);
+            if (record != null && currentRound > record.bestScore) {
+                record.bestScore = currentRound;
+                levelRecordDao.update(record);
+                showNewRecordToast(currentRound);
+            }
+        });
+    }
+
+    private void showNewRecordToast(int round) {
+        requireActivity().runOnUiThread(() -> {
+            Toast.makeText(requireContext(),
+                    "Новый рекорд: " + round + " раундов", Toast.LENGTH_SHORT).show();
+        });
+    }
+
+    private void gameOver() {
+        isGameComplete = true;
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Игра окончена")
+                .setMessage("Вы прошли " + (currentRound - 1) + " раундов")
+                .setPositiveButton("OK", (dialog, which) -> navigateHome())
+                .setCancelable(false)
+                .show();
+    }
+
+    private void updateUI() {
+        roundTextView.setText("Раунд: " + currentRound);
+
+        StringBuilder hearts = new StringBuilder();
+        for (int i = 0; i < 3; i++) {
+            hearts.append(i < lives ? "❤️" : "");
+        }
+        livesTextView.setText(hearts.toString());
+    }
+
+    private void showExitConfirmationDialog() {
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Закончить упражнение?")
+                .setMessage("Вы точно хотите закончить упражнение?")
+                .setPositiveButton("Да", (dialog, which) -> {
+                    NavController navController = Navigation.findNavController(requireView());
+                    navController.popBackStack();
+                })
+                .setNegativeButton("Нет", null)
+                .show();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        if (getActivity() != null && ((AppCompatActivity)getActivity()).getSupportActionBar() != null) {
+            ((AppCompatActivity)getActivity()).getSupportActionBar().hide();
+        }
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        if (getActivity() != null && ((AppCompatActivity)getActivity()).getSupportActionBar() != null) {
+            ((AppCompatActivity)getActivity()).getSupportActionBar().show();
+        }
+
+        if (getActivity() instanceof AppCompatActivity) {
+            ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
+            if (actionBar != null && previousTitle != null) {
+                actionBar.setTitle(previousTitle);
+            }
+        }
+    }
+
+    private void navigateHome() {
+        NavController navController = Navigation.findNavController(requireView());
+        navController.popBackStack();
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        if (database != null) {
+            database.close();
+        }
+    }
+}

app/src/main/java/com/kolobochki/memory/fragment_task4.java

@@ -0,0 +1,335 @@
+package com.kolobochki.memory;
+
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.GridLayout;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.activity.OnBackPressedCallback;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AlertDialog;
+import androidx.fragment.app.Fragment;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.appcompat.app.AppCompatActivity;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Random;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+public class fragment_task4 extends Fragment {
+
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+    private static final int LEVEL_ID = 4;
+
+    private AppDatabase database;
+    private LevelRecordDao levelRecordDao;
+    private Executor executor = Executors.newSingleThreadExecutor();
+
+    private String mParam1;
+    private String mParam2;
+    private String previousTitle;
+    private boolean isGameComplete = false;
+
+    private ImageView[][] cards = new ImageView[2][2];
+    private int[][] cardValues = new int[2][2];
+    private int changedRow = -1, changedCol = -1;
+    private int lives = 3;
+    private int round = 1;
+    private Handler handler = new Handler();
+    private Random random = new Random();
+    private TextView roundTextView;
+    private TextView livesTextView;
+    private GridLayout gridLayout;
+
+    public fragment_task4() {
+        // Required empty public constructor
+    }
+
+    public static fragment_task4 newInstance(String param1, String param2) {
+        fragment_task4 fragment = new fragment_task4();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+
+        database = AppDatabase.getDatabase(requireContext());
+        levelRecordDao = database.levelRecordDao();
+
+        executor.execute(() -> {
+            LevelRecord existingRecord = levelRecordDao.getRecordForLevel(LEVEL_ID);
+            if (existingRecord != null) {
+                existingRecord.attemptsCount++;
+                levelRecordDao.update(existingRecord);
+            } else {
+                LevelRecord newRecord = new LevelRecord(LEVEL_ID, 0, 1);
+                levelRecordDao.insert(newRecord);
+            }
+        });
+
+        OnBackPressedCallback backPressedCallback = new OnBackPressedCallback(true) {
+            @Override
+            public void handleOnBackPressed() {
+                if (!isGameComplete) {
+                    showExitConfirmationDialog();
+                } else {
+                    setEnabled(false);
+                    navigateHome();
+                }
+            }
+        };
+        requireActivity().getOnBackPressedDispatcher().addCallback(this, backPressedCallback);
+
+        if (getActivity() instanceof AppCompatActivity) {
+            ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
+            if (actionBar != null) {
+                actionBar.setTitle("Упражнение 4");
+            }
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_task4, container, false);
+
+        gridLayout = view.findViewById(R.id.grid_layout);
+        cards[0][0] = view.findViewById(R.id.card00);
+        cards[0][1] = view.findViewById(R.id.card01);
+        cards[1][0] = view.findViewById(R.id.card10);
+        cards[1][1] = view.findViewById(R.id.card11);
+
+        roundTextView = view.findViewById(R.id.round_text);
+        livesTextView = view.findViewById(R.id.lives_text);
+
+        gridLayout.setAlignmentMode(GridLayout.ALIGN_BOUNDS);
+        gridLayout.setUseDefaultMargins(true);
+
+        for (int i = 0; i < 2; i++) {
+            for (int j = 0; j < 2; j++) {
+                final int row = i;
+                final int col = j;
+                cards[i][j].setOnClickListener(v -> onCardClicked(row, col));
+            }
+        }
+
+        startNewRound();
+
+        return view;
+    }
+
+    private void startNewRound() {
+        if (!isAdded()) return;
+
+        roundTextView.setText("Раунд: " + round);
+        updateLivesDisplay();
+
+        List<Integer> availableImages = new ArrayList<>();
+        for (int i = 1; i <= 6; i++) {
+            availableImages.add(i);
+        }
+        Collections.shuffle(availableImages);
+
+        for (int i = 0; i < 2; i++) {
+            for (int j = 0; j < 2; j++) {
+                int index = i * 2 + j;
+                if (index < availableImages.size()) {
+                    cardValues[i][j] = availableImages.get(index);
+                    setCardImage(i, j, "tile" + cardValues[i][j]);
+                }
+            }
+        }
+
+        handler.postDelayed(() -> {
+            // Flip all cards to back
+            for (int i = 0; i < 2; i++) {
+                for (int j = 0; j < 2; j++) {
+                    setCardImage(i, j, "tile_back");
+                }
+            }
+
+            handler.postDelayed(() -> {
+                changedRow = random.nextInt(2);
+                changedCol = random.nextInt(2);
+
+                int newImage;
+                List<Integer> currentImages = new ArrayList<>();
+                for (int i = 0; i < 2; i++) {
+                    for (int j = 0; j < 2; j++) {
+                        if (!currentImages.contains(cardValues[i][j])) {
+                            currentImages.add(cardValues[i][j]);
+                        }
+                    }
+                }
+
+                do {
+                    newImage = random.nextInt(6) + 1;
+                } while (currentImages.contains(newImage));
+
+                cardValues[changedRow][changedCol] = newImage;
+
+                for (int i = 0; i < 2; i++) {
+                    for (int j = 0; j < 2; j++) {
+                        setCardImage(i, j, "tile" + cardValues[i][j]);
+                    }
+                }
+
+                setCardsClickable(true);
+
+            }, 750);
+        }, 1000);
+    }
+
+
+    private void onCardClicked(int row, int col) {
+        if (!isAdded()) return;
+
+        setCardsClickable(false);
+
+        if (row == changedRow && col == changedCol) {
+            round++;
+            checkAndUpdateRecord(round);
+
+            handler.postDelayed(() -> {
+                if (isAdded()) startNewRound();
+            }, 1000);
+        } else {
+            lives--;
+            updateLivesDisplay();
+
+            if (lives <= 0) {
+                gameOver();
+            } else {
+                cards[changedRow][changedCol].setImageResource(
+                        getResourceId("tile" + cardValues[changedRow][changedCol] + "_highlight")
+                );
+
+                handler.postDelayed(() -> {
+                    if (!isAdded()) return;
+                    setCardImage(changedRow, changedCol, "tile" + cardValues[changedRow][changedCol]);
+                    startNewRound();
+                }, 1000);
+            }
+        }
+    }
+
+    private void checkAndUpdateRecord(int currentRound) {
+        executor.execute(() -> {
+            LevelRecord record = levelRecordDao.getRecordForLevel(LEVEL_ID);
+            if (record != null && currentRound > record.bestScore) {
+                record.bestScore = currentRound;
+                levelRecordDao.update(record);
+                showNewRecordToast(currentRound);
+            }
+        });
+    }
+
+    private void showNewRecordToast(int round) {
+        requireActivity().runOnUiThread(() -> {
+            Toast.makeText(requireContext(),
+                    "Новый рекорд: " + round + " раундов", Toast.LENGTH_SHORT).show();
+        });
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        handler.removeCallbacksAndMessages(null);
+        if (database != null) {
+            database.close();
+        }
+    }
+
+    private void setCardImage(int row, int col, String imageName) {
+        cards[row][col].setImageResource(getResourceId(imageName));
+    }
+
+    private int getResourceId(String name) {
+        return getResources().getIdentifier(name, "drawable", requireContext().getPackageName());
+    }
+
+    private void setCardsClickable(boolean clickable) {
+        for (int i = 0; i < 2; i++) {
+            for (int j = 0; j < 2; j++) {
+                cards[i][j].setClickable(clickable);
+            }
+        }
+    }
+
+    private void updateLivesDisplay() {
+        StringBuilder hearts = new StringBuilder();
+        for (int i = 0; i < lives; i++) {
+            hearts.append("❤️");
+        }
+        livesTextView.setText(hearts.toString());
+    }
+
+    private void gameOver() {
+        isGameComplete = true;
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Игра окончена")
+                .setMessage("Вы прошли " + (round - 1) + " раундов!")
+                .setPositiveButton("OK", (dialog, which) -> navigateHome())
+                .setCancelable(false)
+                .show();
+    }
+
+    private void showExitConfirmationDialog() {
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Закончить упражнение?")
+                .setMessage("Вы точно хотите закончить упражнение?")
+                .setPositiveButton("Да", (dialog, which) -> {
+                    NavController navController = Navigation.findNavController(requireView());
+                    navController.popBackStack();
+                })
+                .setNegativeButton("Нет", null)
+                .show();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        if (getActivity() != null && ((AppCompatActivity)getActivity()).getSupportActionBar() != null) {
+            ((AppCompatActivity)getActivity()).getSupportActionBar().hide();
+        }
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+        if (getActivity() != null && ((AppCompatActivity)getActivity()).getSupportActionBar() != null) {
+            ((AppCompatActivity)getActivity()).getSupportActionBar().show();
+        }
+
+        if (getActivity() instanceof AppCompatActivity) {
+            ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar();
+            if (actionBar != null && previousTitle != null) {
+                actionBar.setTitle(previousTitle);
+            }
+        }
+    }
+
+    private void navigateHome() {
+        if (getView() == null) return;
+
+        NavController navController = Navigation.findNavController(requireView());
+        navController.popBackStack();
+    }
+}

app/src/main/java/com/kolobochki/memory/ui/dashboard/DashboardFragment.java

@@ -1,34 +1,106 @@
 package com.kolobochki.memory.ui.dashboard;
 
+import android.app.AlertDialog;
 import android.os.Bundle;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
+import androidx.navigation.Navigation;
 
+import java.util.List;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+import com.kolobochki.memory.LevelRecord;
+import com.kolobochki.memory.MainActivity;
 import com.kolobochki.memory.databinding.FragmentDashboardBinding;
 
+import com.kolobochki.memory.R;
+import com.kolobochki.memory.AppDatabase;
+import com.kolobochki.memory.GameRepository;
+import com.kolobochki.memory.LevelRecordDao;
+
 public class DashboardFragment extends Fragment {
 
     private FragmentDashboardBinding binding;
+    private Executor executor = Executors.newSingleThreadExecutor();
+    private LevelRecordDao levelRecordDao;
 
-    public View onCreateView(@NonNull LayoutInflater inflater,
-                             ViewGroup container, Bundle savedInstanceState) {
-        DashboardViewModel dashboardViewModel =
-                new ViewModelProvider(this).get(DashboardViewModel.class);
+    @Override
+    public void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        // Инициализация базы данных
+        AppDatabase db = MainActivity.getDatabase();
+        levelRecordDao = db.levelRecordDao();
+    }
 
+    public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         binding = FragmentDashboardBinding.inflate(inflater, container, false);
         View root = binding.getRoot();
 
-        //final TextView textView = binding.textDashboard;
-        //dashboardViewModel.getText().observe(getViewLifecycleOwner(), textView::setText);
+        binding.chip.setOnClickListener(view -> {
+            try {
+                Navigation.findNavController(view).navigate(R.id.action_navigation_dashboard_to_navigation_info);
+            } catch (Exception e) {
+                //e.printStackTrace();
+            }
+        });
+
+        binding.chip2.setOnClickListener(view -> {
+            Navigation.findNavController(view).navigate(R.id.action_navigation_dashboard_to_navigation_records);
+        });
+
+        binding.chip4.setOnClickListener(view -> {
+            showResetConfirmationDialog();
+        });
+
+        binding.chip3.setOnClickListener(view -> {
+            new AlertDialog.Builder(requireContext())
+                    .setTitle("Переход на другую платформу")
+                    .setMessage("Скоро...")
+                    .setPositiveButton("OK", null)
+                    .show();
+        });
+
+
         return root;
     }
 
+    private void showResetConfirmationDialog() {
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Сброс статистики")
+                .setMessage("Вы уверены, что хотите сбросить все рекорды и статистику?")
+                .setPositiveButton("Сбросить", (dialog, which) -> resetAllStats())
+                .setNegativeButton("Отмена", null)
+                .show();
+    }
+
+    private void resetAllStats() {
+        executor.execute(() -> {
+            // Удаляем все записи
+            levelRecordDao.deleteAllRecords();
+
+            // Создаем новые пустые записи для каждого уровня
+            for (int i = 1; i <= 4; i++) {
+                LevelRecord record = new LevelRecord(i, 0, 0);
+                levelRecordDao.insert(record);
+            }
+
+            // Показываем уведомление в UI потоке
+            requireActivity().runOnUiThread(() -> {
+                Toast.makeText(requireContext(),
+                        "Все данные сброшены", Toast.LENGTH_SHORT).show();
+            });
+        });
+    }
+
     @Override
     public void onDestroyView() {
         super.onDestroyView();

app/src/main/java/com/kolobochki/memory/ui/home/HomeFragment.java

@@ -31,6 +31,18 @@ public class HomeFragment extends Fragment {
             Navigation.findNavController(view).navigate(R.id.action_navigation_home_to_navigation_task1);
         });
 
+        binding.button2.setOnClickListener(view-> {
+            Navigation.findNavController(view).navigate(R.id.action_navigation_home_to_navigation_task2);
+        });
+
+        binding.button3.setOnClickListener(view -> {
+            Navigation.findNavController(view).navigate(R.id.action_navigation_home_to_navigation_task3);
+        });
+
+        binding.button4.setOnClickListener(view -> {
+            Navigation.findNavController(view).navigate(R.id.action_navigation_home_to_navigation_task4);
+        });
+
         return root;
     }
 

app/src/main/res/layout/fragment_dashboard.xml

@@ -79,4 +79,5 @@
         android:text="Сбросить мои данные"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@+id/imageView" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_home.xml

@@ -20,12 +20,78 @@
         android:id="@+id/button"
         android:layout_width="321dp"
         android:layout_height="63dp"
-        android:layout_marginStart="46dp"
-        android:layout_marginTop="268dp"
+        android:layout_marginStart="48dp"
+        android:layout_marginTop="140dp"
         android:text="Начать упражнение"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <Button
+        android:id="@+id/button2"
+        android:layout_width="321dp"
+        android:layout_height="63dp"
+        android:layout_marginStart="48dp"
+        android:layout_marginTop="260dp"
+        android:text="Начать упражнение"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/button3"
+        android:layout_width="321dp"
+        android:layout_height="63dp"
+        android:layout_marginStart="48dp"
+        android:layout_marginTop="372dp"
+        android:text="Начать упражнение"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/button4"
+        android:layout_width="321dp"
+        android:layout_height="63dp"
+        android:layout_marginStart="48dp"
+        android:layout_marginTop="496dp"
+        android:text="Начать упражнение"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textView5"
+        android:layout_width="248dp"
+        android:layout_height="29dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="224dp"
+        android:text="Саймон говорит"
+        android:textAlignment="center"
+        android:textSize="18sp"
+        app:layout_constraintStart_toEndOf="@+id/imageView3"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textView6"
+        android:layout_width="248dp"
+        android:layout_height="29dp"
+        android:layout_marginStart="12dp"
+        android:layout_marginTop="344dp"
+        android:text="Числовая матрица"
+        android:textAlignment="center"
+        android:textSize="18sp"
+        app:layout_constraintStart_toEndOf="@+id/imageView3"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textView7"
+        android:layout_width="248dp"
+        android:layout_height="29dp"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="464dp"
+        android:text="Найти лишнее"
+        android:textAlignment="center"
+        android:textSize="18sp"
+        app:layout_constraintStart_toEndOf="@+id/imageView3"
+        app:layout_constraintTop_toTopOf="parent" />
+
     <TextView
         android:id="@+id/textView4"
         android:layout_width="wrap_content"
@@ -37,4 +103,17 @@
         android:translationY="-7dp"
         app:layout_constraintStart_toEndOf="@+id/imageView3"
         app:layout_constraintTop_toTopOf="parent" />
+
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="248dp"
+        android:layout_height="29dp"
+        android:layout_marginStart="12dp"
+        android:layout_marginTop="108dp"
+        android:text="Найти пары"
+        android:textAlignment="center"
+        android:textSize="18sp"
+        app:layout_constraintStart_toEndOf="@+id/imageView3"
+        app:layout_constraintTop_toTopOf="parent" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/fragment_info.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout 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"
+    tools:context=".fragment_info">
+
+    <!-- TODO: Update blank fragment layout -->
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="@string/hello_blank_fragment"
+        android:visibility="invisible" />
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="375dp"
+        android:layout_height="wrap_content"
+        android:text="1. Найти пары"
+        android:translationX="25dp"
+        android:translationY="35dp" />
+
+</FrameLayout>

app/src/main/res/layout/fragment_records.xml

@@ -0,0 +1,21 @@
+<?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="match_parent"
+    android:orientation="vertical"
+    android:padding="16dp">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Статистика по уровням"
+        android:textSize="20sp"
+        android:textStyle="bold"/>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/stats_recycler"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginTop="16dp"/>
+
+</LinearLayout>

app/src/main/res/layout/fragment_task2.xml

@@ -0,0 +1,118 @@
+<?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:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@android:drawable/menuitem_background"
+    android:padding="16dp">
+
+    <TextView
+        android:id="@+id/roundText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_alignParentTop="true"
+        android:layout_centerHorizontal="true"
+        android:text="Раунд: 1"
+        android:textSize="24sp" />
+
+    <TextView
+        android:id="@+id/livesText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_below="@id/roundText"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="8dp"
+        android:text="❤️❤️❤️"
+        android:textSize="24sp" />
+
+    <ImageView
+        android:id="@+id/centerImage"
+        android:layout_width="300dp"
+        android:layout_height="300dp"
+        android:layout_centerInParent="true"
+        android:scaleType="fitXY"
+        android:src="@drawable/simon_off" />
+
+    <GridLayout
+        android:id="@+id/buttonsGrid"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerInParent="true"
+        android:columnCount="2"
+        android:rowCount="2">
+
+        <Button
+            android:id="@+id/redButton"
+            android:layout_width="0dp"
+            android:layout_height="150dp"
+            android:layout_rowWeight="1"
+            android:layout_columnWeight="1"
+            android:layout_margin="8dp"
+            android:background="@android:color/transparent"
+            android:backgroundTint="@null"
+            android:drawableTint="@null"
+            android:focusable="false"
+            android:focusableInTouchMode="false"
+            android:foregroundTint="@null"
+            android:stateListAnimator="@null"
+            app:iconTint="@null"
+            tools:visibility="invisible"
+            style="@style/SimonButton"/>
+
+        <Button
+            android:id="@+id/greenButton"
+            android:layout_width="0dp"
+            android:layout_height="150dp"
+            android:layout_rowWeight="1"
+            android:layout_columnWeight="1"
+            android:layout_margin="8dp"
+            android:background="@android:color/transparent"
+            android:backgroundTint="@null"
+            android:drawableTint="@null"
+            android:focusable="false"
+            android:focusableInTouchMode="false"
+            android:foregroundTint="@null"
+            android:stateListAnimator="@null"
+            app:iconTint="@null"
+            tools:visibility="invisible"
+            style="@style/SimonButton"/>
+
+        <Button
+            android:id="@+id/yellowButton"
+            android:layout_width="0dp"
+            android:layout_height="150dp"
+            android:layout_rowWeight="1"
+            android:layout_columnWeight="1"
+            android:layout_margin="8dp"
+            android:background="@android:color/transparent"
+            android:backgroundTint="@null"
+            android:drawableTint="@null"
+            android:focusable="false"
+            android:focusableInTouchMode="false"
+            android:foregroundTint="@null"
+            android:stateListAnimator="@null"
+            app:iconTint="@null"
+            tools:visibility="invisible"
+            style="@style/SimonButton"/>
+
+        <Button
+            android:id="@+id/blueButton"
+            android:layout_width="0dp"
+            android:layout_height="150dp"
+            android:layout_rowWeight="1"
+            android:layout_columnWeight="1"
+            android:layout_margin="8dp"
+            android:background="@android:color/transparent"
+            android:backgroundTint="@null"
+            android:drawableTint="@null"
+            android:focusable="false"
+            android:focusableInTouchMode="false"
+            android:foregroundTint="@null"
+            android:stateListAnimator="@null"
+            app:iconTint="@null"
+            tools:visibility="invisible"
+            style="@style/SimonButton"/>
+    </GridLayout>
+
+</RelativeLayout>

app/src/main/res/layout/fragment_task3.xml

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout 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"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:padding="16dp">
+
+    <!-- Информационная панель -->
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:gravity="center"
+        android:layout_marginBottom="24dp">
+
+        <TextView
+            android:id="@+id/roundTextView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="18sp"
+            android:text="Раунд: 1" />
+
+        <View
+            android:layout_width="0dp"
+            android:layout_height="1dp"
+            android:layout_weight="1"/>
+
+        <TextView
+            android:id="@+id/livesTextView"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="18sp"
+            android:text="❤️❤️❤️"/>
+    </LinearLayout>
+
+    <!-- Контейнер для центрирования GridLayout -->
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:gravity="center">
+
+        <GridLayout
+            android:id="@+id/gridLayout"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:rowCount="3"
+            android:columnCount="3"
+            android:layout_gravity="center"
+            android:gravity="center"/>
+    </FrameLayout>
+</LinearLayout>

app/src/main/res/layout/fragment_task4.xml

@@ -0,0 +1,70 @@
+<?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="match_parent"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:padding="16dp">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:layout_marginBottom="16dp">
+
+        <TextView
+            android:id="@+id/round_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="18sp"
+            android:text="Раунд: 1"/>
+
+        <TextView
+            android:id="@+id/lives_text"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="❤️❤️❤️"
+            android:textAlignment="textEnd"
+            android:textSize="18sp"
+            android:translationX="235dp" />
+    </LinearLayout>
+
+    <GridLayout
+        android:id="@+id/grid_layout"
+        android:layout_width="395dp"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        android:alignmentMode="alignBounds"
+        android:columnCount="2"
+        android:rowCount="2"
+        android:useDefaultMargins="true">
+
+        <ImageView
+            android:id="@+id/card00"
+            android:layout_width="183dp"
+            android:layout_height="196dp"
+            android:layout_margin="8dp"
+            android:scaleType="fitCenter" />
+
+        <ImageView
+            android:id="@+id/card01"
+            android:layout_width="183dp"
+            android:layout_height="196dp"
+            android:layout_margin="8dp"
+            android:scaleType="fitCenter" />
+
+        <ImageView
+            android:id="@+id/card10"
+            android:layout_width="183dp"
+            android:layout_height="196dp"
+            android:layout_margin="8dp"
+            android:scaleType="fitCenter" />
+
+        <ImageView
+            android:id="@+id/card11"
+            android:layout_width="183dp"
+            android:layout_height="196dp"
+            android:layout_margin="8dp"
+            android:scaleType="fitCenter" />
+    </GridLayout>
+</LinearLayout>

app/src/main/res/layout/item_level_stat.xml

@@ -0,0 +1,36 @@
+<?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"
+    android:orientation="vertical"
+    android:padding="16dp"
+    android:background="?android:attr/selectableItemBackground"
+    android:layout_marginBottom="8dp">
+
+    <TextView
+        android:id="@+id/level_name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="18sp"
+        android:textStyle="bold"/>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="8dp"
+        android:orientation="horizontal">
+
+        <TextView
+            android:id="@+id/best_score"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginEnd="16dp"/>
+
+        <TextView
+            android:id="@+id/attempts_count"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+
+    </LinearLayout>
+
+</LinearLayout>

app/src/main/res/navigation/mobile_navigation.xml

@@ -16,6 +16,15 @@
         <action
             android:id="@+id/action_navigation_home_to_navigation_task1"
             app:destination="@id/navigation_task1" />
+        <action
+            android:id="@+id/action_navigation_home_to_navigation_task2"
+            app:destination="@id/navigation_task2" />
+        <action
+            android:id="@+id/action_navigation_home_to_navigation_task3"
+            app:destination="@id/navigation_task3" />
+        <action
+            android:id="@+id/action_navigation_home_to_navigation_task4"
+            app:destination="@id/navigation_task4" />
     </fragment>
 
     <fragment
@@ -26,6 +35,12 @@
         <action
             android:id="@+id/action_navigation_dashboard_to_navigation_home"
             app:destination="@id/navigation_home" />
+        <action
+            android:id="@+id/action_navigation_dashboard_to_navigation_info"
+            app:destination="@id/navigation_info" />
+        <action
+            android:id="@+id/action_navigation_dashboard_to_navigation_records"
+            app:destination="@id/navigation_records" />
     </fragment>
 
     <fragment
@@ -37,4 +52,48 @@
             android:id="@+id/action_navigation_notifications_to_navigation_home"
             app:destination="@id/navigation_home" />
     </fragment>
+    <fragment
+        android:id="@+id/navigation_task2"
+        android:name="com.kolobochki.memory.fragment_task2"
+        android:label="navigation_task2"
+        tools:layout="@layout/fragment_task2">
+        <action
+            android:id="@+id/action_navigation_notifications_to_navigation_home"
+            app:destination="@id/navigation_home" />
+    </fragment>
+    <fragment
+        android:id="@+id/navigation_task3"
+        android:name="com.kolobochki.memory.fragment_task3"
+        android:label="navigation_task3"
+        tools:layout="@layout/fragment_task3">
+        <action
+            android:id="@+id/action_navigation_notifications_to_navigation_home"
+            app:destination="@id/navigation_home" />
+    </fragment>
+    <fragment
+        android:id="@+id/navigation_task4"
+        android:name="com.kolobochki.memory.fragment_task4"
+        android:label="navigation_task4"
+        tools:layout="@layout/fragment_task4">
+        <action
+            android:id="@+id/action_navigation_notifications_to_navigation_home"
+            app:destination="@id/navigation_home" />
+    </fragment>
+    <fragment
+        android:id="@+id/navigation_info"
+        android:name="com.kolobochki.memory.fragment_info"
+        android:label="navigation_info"
+        tools:layout="@layout/fragment_info">
+        <action
+            android:id="@+id/action_navigation_info_to_navigation_dashboard2"
+            app:destination="@id/navigation_dashboard" />
+    </fragment>
+    <fragment
+        android:id="@+id/navigation_records"
+        android:name="com.kolobochki.memory.fragment_records"
+        android:label="navigation_records">
+        <action
+            android:id="@+id/action_navigation_records_to_navigation_dashboard"
+            app:destination="@id/navigation_dashboard" />
+    </fragment>
 </navigation>

app/src/main/res/values-night/themes.xml

@@ -13,4 +13,8 @@
         <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
+    <style name="SimonButton" parent="Widget.AppCompat.Button.Borderless">
+        <item name="android:background">@drawable/simon_off</item>
+        <item name="android:stateListAnimator">@null</item>
+    </style>
 </resources>

app/src/main/res/values/strings.xml

@@ -1,6 +1,6 @@
 <resources>
     <string name="app_name">Memory</string>
-    <string name="title_home">Карта</string>
+    <string name="title_home">Упражнения</string>
     <string name="title_dashboard">Профиль</string>
     <string name="title_notifications">Notifications</string>
     <!-- TODO: Remove or change this placeholder text -->

app/src/main/res/values/themes.xml

@@ -13,4 +13,8 @@
         <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
         <!-- Customize your theme here. -->
     </style>
+    <style name="SimonButton" parent="Widget.AppCompat.Button.Borderless">
+        <item name="android:background">@drawable/simon_off</item>
+        <item name="android:stateListAnimator">@null</item>
+    </style>
 </resources>

gradle/libs.versions.toml

@@ -10,6 +10,7 @@ lifecycleLivedataKtx = "2.8.7"
 lifecycleViewmodelKtx = "2.8.7"
 navigationFragment = "2.8.8"
 navigationUi = "2.8.8"
+roomCommonJvm = "2.7.1"
 
 [libraries]
 junit = { group = "junit", name = "junit", version.ref = "junit" }
@@ -22,6 +23,7 @@ lifecycle-livedata-ktx = { group = "androidx.lifecycle", name = "lifecycle-lived
 lifecycle-viewmodel-ktx = { group = "androidx.lifecycle", name = "lifecycle-viewmodel-ktx", version.ref = "lifecycleViewmodelKtx" }
 navigation-fragment = { group = "androidx.navigation", name = "navigation-fragment", version.ref = "navigationFragment" }
 navigation-ui = { group = "androidx.navigation", name = "navigation-ui", version.ref = "navigationUi" }
+room-common-jvm = { group = "androidx.room", name = "room-common-jvm", version.ref = "roomCommonJvm" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }