Add old and new project

TodoTitemsV2/app/.gitignore

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+/build

TodoTitemsV2/app/build.gradle

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
+
+    defaultConfig {
+        applicationId "com.sem.todotitemsv2"
+        minSdkVersion 19
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    // Java language implementation
+    implementation "androidx.fragment:fragment:1.2.5"
+
+    // safe args
+    apply plugin: "androidx.navigation.safeargs"
+
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.2.1'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    implementation 'com.google.code.gson:gson:2.8.6'
+    implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+    implementation 'androidx.navigation:navigation-fragment:2.3.3'
+    implementation 'androidx.navigation:navigation-ui:2.3.3'
+    testImplementation 'junit:junit:4.13.1'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}

TodoTitemsV2/app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

TodoTitemsV2/app/src/androidTest/java/com/sem/todotitemsv2/ExampleInstrumentedTest.java

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+package com.sem.todotitemsv2;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.sem.todotitemsv2", appContext.getPackageName());
+    }
+}

TodoTitemsV2/app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.sem.todotitemsv2">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.TodoTitemsV2">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

TodoTitemsV2/app/src/main/java/com/sem/todotitemsv2/Data.java

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+package com.sem.todotitemsv2;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.util.Log;
+
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public enum Data {
+    INSTANCE;
+
+    private MutableLiveData<ArrayList<TodoList>> items;
+    private Context appContext;
+    private final String TAG = Data.class.getCanonicalName();
+
+    public void addForeverItemObserver(Observer<ArrayList<TodoList>> observer) {
+        this.items.observeForever(observer);
+    }
+
+    public void removeForeverItemObserver(Observer<ArrayList<TodoList>> observer) {
+        this.items.removeObserver(observer);
+    }
+
+    public MutableLiveData<ArrayList<TodoList>> getItems() {
+        Log.d(TAG, "getItems: getting items!");
+        return items;
+    }
+
+    public void init(Context appContext) {
+        Log.d(TAG, "init: initing data singleton");
+        this.appContext = appContext;
+
+        this.items = new MutableLiveData<>();
+        setItems(IO.loadLists(appContext));
+
+    }
+
+    public TodoList getList(int pos) {
+        return this.items.getValue().get(pos);
+    }
+
+    public void renameList(String newName, int todoListPosition) {
+        this.items.getValue().get(todoListPosition).setName(newName);
+        updateItems();
+    }
+
+    public void addTodoItem(int todoListIndex, TodoItem item) {
+        this.items.getValue().get(todoListIndex).getItems().add(item);
+        updateItems();
+    }
+
+    public void removeTodoItem(int todoListIndex, TodoItem item) {
+        this.items.getValue().get(todoListIndex).getItems().remove(item);
+        updateItems();
+    }
+
+    public void checkTodoItem(int todoListIndex, int todoItemIndex) {
+        this.items.getValue().get(todoListIndex).getItems().get(todoItemIndex).check();
+        updateItems();
+    }
+
+    public void addItem(TodoList item) {
+        this.items.getValue().add(item);
+        updateItems();
+    }
+
+    public void removeItem(TodoList item) {
+        this.items.getValue().remove(item);
+        updateItems();
+    }
+
+    private void updateItems() {
+        this.items.postValue(this.items.getValue());
+    }
+
+    public void setItems(ArrayList<TodoList> items) {
+        this.items.postValue(items);
+    }
+
+
+    public void save() {
+        IO.saveLists(appContext,this.items.getValue());
+    }
+}

TodoTitemsV2/app/src/main/java/com/sem/todotitemsv2/IO.java

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+package com.sem.todotitemsv2;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.util.Log;
+import android.view.View;
+import android.widget.TextView;
+
+import com.google.gson.Gson;
+import com.google.gson.reflect.TypeToken;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class IO {
+    private static final String TAG = IO.class.getCanonicalName();
+    private static final String ITEMS_SIZE_ID = "Items_Size";
+    private static final String SP_NAME = "USER";
+    private static final String JSON_NAME = "Json_List_Items";
+
+    public static void save(Context context, ArrayList<TodoItem> items) {
+        SharedPreferences sharedPreferences = context.getSharedPreferences(SP_NAME,Context.MODE_PRIVATE);
+        Log.d(TAG, "Saving shared preferences");
+        SharedPreferences.Editor editor = sharedPreferences.edit();
+        editor.putInt(ITEMS_SIZE_ID,items.size());
+        for (int i = 0; i < items.size(); i++) {
+            editor.remove("item" + i + "title");
+            editor.putString("item"+i+"title",items.get(i).getTitle());
+            editor.remove("item" + i + "done");
+            editor.putBoolean("item"+i+"done",items.get(i).isDone());
+        }
+
+        editor.apply();
+    }
+
+    public static void saveLists(Context context, ArrayList<TodoList> items) {
+        SharedPreferences sharedPreferences = context.getSharedPreferences(SP_NAME,Context.MODE_PRIVATE);
+        Log.d(TAG, "Saving shared preferences");
+        SharedPreferences.Editor editor = sharedPreferences.edit();
+
+        Gson gson = new Gson();
+        String jsonLists = gson.toJson(items);
+        editor.putString(JSON_NAME,jsonLists);
+        editor.apply();
+    }
+
+    public static ArrayList<TodoList> loadLists(Context context) {
+        SharedPreferences sharedPreferences = context.getSharedPreferences(SP_NAME,Context.MODE_PRIVATE);
+        Log.d(TAG, "Saving shared preferences");
+
+        Gson gson = new Gson();
+        ArrayList<TodoList> res = gson.fromJson(sharedPreferences.getString(JSON_NAME,""),new TypeToken<ArrayList<TodoList>>() {}.getType());
+        return res == null ? new ArrayList<>() : res;
+    }
+
+    public static ArrayList<TodoItem> load(Context context) {
+        SharedPreferences sharedPreferences = context.getSharedPreferences(SP_NAME,Context.MODE_PRIVATE);
+        Log.d(TAG, "Loading shared preferences");
+        int amount = sharedPreferences.getInt(ITEMS_SIZE_ID,0);
+        Log.d(TAG, "amount " + amount);
+        ArrayList<TodoItem> items = new ArrayList<>();
+        if (amount > 0) {
+            for (int i = 0; i < amount; i++) {
+                String title = sharedPreferences.getString("item" + i + "title","item" + i);
+                boolean done = sharedPreferences.getBoolean("item" + i + "done",false);
+                items.add(new TodoItem(title,done));
+            }
+        }
+        Log.d(TAG, "List: " + Arrays.toString(items.toArray()));
+        return items;
+
+    }
+
+    public static void clear(Context context) {
+        SharedPreferences sharedPreferences = context.getSharedPreferences(SP_NAME,Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = sharedPreferences.edit();
+        editor.clear();
+        editor.apply();
+    }
+
+    public static void Log(String text, View view) {
+//        TextView textView = view.findViewById(R.id.logView);
+//        textView.setText(text);
+
+    }
+}

TodoTitemsV2/app/src/main/java/com/sem/todotitemsv2/ItemsFragment.java

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+package com.sem.todotitemsv2;
+
+import android.graphics.drawable.ColorDrawable;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link ItemsFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class ItemsFragment extends Fragment {
+
+    private final static String TAG = ItemsFragment.class.getCanonicalName();
+
+    public ItemsFragment() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @return A new instance of fragment ItemsFragment.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static ItemsFragment newInstance() {
+        return new ItemsFragment();
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Log.d(TAG, "onCreate: creating items fragment!");
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_items, container, false);
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+
+        Log.d(TAG, "onViewCreated: created!");
+        int pos = getArguments().getInt("todo_item_position");
+        Log.d(TAG, "onViewCreated: got argument: " + pos);
+        TodoList current = Data.INSTANCE.getList(pos);
+
+        ((AppCompatActivity)requireActivity()).getSupportActionBar().setTitle(current.getName());
+        ((AppCompatActivity)requireActivity()).getSupportActionBar().setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.done)));
+
+        RecyclerView recyclerView = view.findViewById(R.id.items_list_recyclerview);
+
+        TodoItemAdaper todoItemAdaper = new TodoItemAdaper(current.getItemsAsList());
+
+        recyclerView.setLayoutManager(new LinearLayoutManager(requireContext()));
+        recyclerView.setAdapter(todoItemAdaper);
+
+        //TODO add layout to xml file
+        //TODO add back button
+        //TODO add functionality for adding and removing and editing
+    }
+
+    @Override
+    public void onResume() {
+
+        Log.d(TAG, "onResume: RESUMED");
+        super.onResume();
+    }
+}

TodoTitemsV2/app/src/main/java/com/sem/todotitemsv2/MainActivity.java

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+package com.sem.todotitemsv2;
+
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.view.ViewParent;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class MainActivity extends AppCompatActivity {
+    private final String TAG = MainActivity.class.getCanonicalName();
+    private TodoItemAdaper mAdapter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        Data.INSTANCE.init(this);
+
+        Log.d(TAG, "onCreate: setting overview fragment transaction");
+        if (savedInstanceState == null) {
+            getSupportFragmentManager().beginTransaction()
+                    .setReorderingAllowed(true)
+                    .add(R.id.fragment_container_view, OverviewFragment.class, null)
+                    .commit();
+        }
+
+//        RecyclerView rc = findViewById(R.id.itemRecyclerView);
+//        ArrayList<TodoItem> items = Data.INSTANCE.getItems();
+//        mAdapter = new TodoItemAdaper(items);
+//        rc.setLayoutManager(new LinearLayoutManager(this));
+//        rc.setAdapter(mAdapter);
+
+    }
+
+
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+
+        Data.INSTANCE.save();
+    }
+
+
+    @FunctionalInterface
+    public interface OverviewNavigationListener {
+        void onNavigate();
+    }
+}

TodoTitemsV2/app/src/main/java/com/sem/todotitemsv2/OverviewFragment.java

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+package com.sem.todotitemsv2;
+
+import android.content.Intent;
+import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
+import android.os.Build;
+import android.os.Bundle;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.annotation.RequiresApi;
+import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.fragment.app.Fragment;
+import androidx.lifecycle.Observer;
+import androidx.navigation.NavController;
+import androidx.navigation.Navigation;
+import androidx.navigation.fragment.NavHostFragment;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.google.android.material.floatingactionbutton.FloatingActionButton;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link OverviewFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class OverviewFragment extends Fragment implements SwipeRefreshLayout.OnRefreshListener {
+
+    private static final String TAG = OverviewFragment.class.getCanonicalName();
+    private TodoListAdapter mAdapter;
+    private SwipeRefreshLayout mSwipeRefreshLayout;
+    private RecyclerView rc;
+
+    private final Observer<ArrayList<TodoList>> itemsObserver = todoListList -> {
+        this.mAdapter.setItems(todoListList);
+        Log.d(TAG, "onViewCreated: updated items in recyclerview adapter");
+        Toast.makeText(requireContext(),"Updated todo lists!",Toast.LENGTH_SHORT).show();
+    };
+
+    public OverviewFragment() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @return A new instance of fragment OverviewFragment.
+     */
+    public static OverviewFragment newInstance() {
+        return new OverviewFragment();
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Log.d(TAG, "onCreate: CREATING OVERVIEW FRAGMENT");
+
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+
+        return inflater.inflate(R.layout.fragment_overview, container, false);
+    }
+
+    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        ((AppCompatActivity)requireActivity()).getSupportActionBar().setTitle("Todo Lists Overview");
+        ((AppCompatActivity)requireActivity()).getSupportActionBar().setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.done)));
+
+        rc = view.findViewById(R.id.overview_recyclerview);
+        Log.d(TAG, "onCreateView: " + rc);
+
+        Data.INSTANCE.addForeverItemObserver(this.itemsObserver);
+
+        mAdapter = new TodoListAdapter(Data.INSTANCE.getItems().getValue());
+        mAdapter.setOnTodoListClickListener(this::onItemClick);
+
+        rc.setLayoutManager(new LinearLayoutManager(requireContext()));
+        rc.setAdapter(mAdapter);
+
+        mSwipeRefreshLayout = view.findViewById(R.id.swipe_refresh_layout);
+        mSwipeRefreshLayout.setOnRefreshListener(this);
+
+        FloatingActionButton floatingActionButton = view.findViewById(R.id.floating_action_button_add);
+        floatingActionButton.setOnClickListener(this::addNewListItem);
+
+        //TODO add button for renaming a list
+    }
+
+    private void addNewListItem(View view) {
+        Log.i(TAG, "adding new item");
+        AlertDialog.Builder builder = new AlertDialog.Builder(requireContext());
+        builder.setTitle("Enter new task name:");
+        EditText input = new EditText(requireContext());
+        builder.setView(input);
+
+        builder.setPositiveButton("Yee", (dialog, which) -> {
+            // add item to list and update
+            Data.INSTANCE.addItem(new TodoList(input.getText().toString()));
+            Log.d(TAG, "items: " + Data.INSTANCE.getItems());
+
+        }).setNegativeButton("Nah", (dialog, which) -> {
+            // do nothing
+        });
+        builder.create();
+        builder.show();
+    }
+
+    @Override
+    public void onRefresh() {
+        mAdapter.setItems(Data.INSTANCE.getItems().getValue());
+        mSwipeRefreshLayout.setRefreshing(false);
+    }
+
+    
+    public void onItemClick(View view) {
+        int position = rc.getChildLayoutPosition(view);
+        Log.d(TAG, "onItemClick: clicked item " + position);
+        Bundle bundle = new Bundle();
+        bundle.putInt("todo_item_position",position);
+
+        getActivity().getSupportFragmentManager().beginTransaction()
+                .setReorderingAllowed(true)
+                .replace(R.id.fragment_container_view, ItemsFragment.class, bundle)
+                .commit();
+
+
+    }
+
+}

TodoTitemsV2/app/src/main/java/com/sem/todotitemsv2/TodoItem.java

@@ -0,0 +1,43 @@
+package com.sem.todotitemsv2;
+
+public class TodoItem {
+    private boolean done;
+    private String title;
+
+    public TodoItem(String title) {
+        this(title,false);
+    }
+
+    public TodoItem(String title, boolean done) {
+        this.title = title;
+        this.done = done;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public boolean isDone() {
+        return done;
+    }
+
+    public void setDone(boolean done) {
+        this.done = done;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public void check() {
+        this.done = !this.done;
+    }
+
+    @Override
+    public String toString() {
+        return "TodoItem{" +
+                "done=" + done +
+                ", title='" + title + '\'' +
+                '}';
+    }
+}

TodoTitemsV2/app/src/main/java/com/sem/todotitemsv2/TodoItemAdaper.java

@@ -0,0 +1,86 @@
+package com.sem.todotitemsv2;
+
+import android.graphics.Color;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.ArrayList;
+
+public class TodoItemAdaper extends RecyclerView.Adapter<TodoItemAdaper.ViewHolder> {
+    private final String TAG = TodoItemAdaper.class.getCanonicalName();
+
+    private ArrayList<TodoItem> items;
+    int pos;
+    public TodoItemAdaper(ArrayList<TodoItem> todoItems) {
+        this.items = todoItems;
+    }
+
+
+    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+        private TextView textView;
+        private CheckBox checkBox;
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+            textView = itemView.findViewById(R.id.itemText);
+            checkBox = itemView.findViewById(R.id.itemCheckbox);
+            itemView.setOnClickListener(this);
+
+        }
+
+        public CheckBox getCheckBox() {
+            return checkBox;
+        }
+
+        public TextView getTextView() {
+            return textView;
+        }
+
+        @Override
+        public void onClick(View v) {
+            Log.d(TAG, "Clicked on recyclerview item");
+//            Data.INSTANCE.getItems().get(pos).click();
+            notifyDataSetChanged();
+        }
+    }
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        return new ViewHolder(LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.todo_item,parent,false));
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+        this.pos = position;
+        holder.getTextView().setText(this.items.get(position).getTitle());
+        holder.getCheckBox().setChecked(this.items.get(position).isDone());
+        if (this.items.get(position).isDone()) {
+            holder.getTextView().setTextColor(getIntFromColor(56,61,61));
+        } else {
+            holder.getTextView().setTextColor(getIntFromColor(1,135,134));
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return this.items.size();
+    }
+
+    public int getIntFromColor(int Red, int Green, int Blue){
+        Red = (Red << 16) & 0x00FF0000; //Shift red 16-bits and mask out other stuff
+        Green = (Green << 8) & 0x0000FF00; //Shift Green 8-bits and mask out other stuff
+        Blue = Blue & 0x000000FF; //Mask out anything not blue.
+
+        return 0xFF000000 | Red | Green | Blue; //0xFF000000 for 100% Alpha. Bitwise OR everything together.
+    }
+
+}

TodoTitemsV2/app/src/main/java/com/sem/todotitemsv2/TodoList.java

@@ -0,0 +1,38 @@
+package com.sem.todotitemsv2;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class TodoList {
+    private String name;
+    private List<TodoItem> items;
+
+    public TodoList(String name) {
+        this.items = new ArrayList<>();
+        this.name = name;
+    }
+
+    public List<TodoItem> getItems() {
+        return items;
+    }
+
+    public ArrayList<TodoItem> getItemsAsList() {
+        return (ArrayList<TodoItem>) this.items;
+    }
+
+    public void setItems(List<TodoItem> items) {
+        this.items = items;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getItemsSize() {
+        return this.items.size();
+    }
+}

TodoTitemsV2/app/src/main/java/com/sem/todotitemsv2/TodoListAdapter.java

@@ -0,0 +1,102 @@
+package com.sem.todotitemsv2;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.ImageButton;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+public class TodoListAdapter extends RecyclerView.Adapter<TodoListAdapter.ViewHolder> {
+
+    private static final String TAG = TodoListAdapter.class.getCanonicalName();
+    private List<TodoList> items;
+    private View.OnClickListener onTodoListClickListener;
+
+    public static class ViewHolder extends RecyclerView.ViewHolder {
+        private final TextView listNameTextView;
+        private final ImageButton listDeleteButton;
+        private final TextView listSizeTextView;
+
+        public ViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            listNameTextView = itemView.findViewById(R.id.overview_list_item_text);
+            listDeleteButton = itemView.findViewById(R.id.overview_list_delete_button);
+            listSizeTextView = itemView.findViewById(R.id.overview_list_size);
+        }
+
+        public ImageButton getListDeleteButton() {
+            return listDeleteButton;
+        }
+
+        public TextView getListNameTextView() {
+            return listNameTextView;
+        }
+
+        public TextView getListSizeTextView() {
+            return listSizeTextView;
+        }
+
+    }
+
+    public TodoListAdapter(List<TodoList> list) {
+        this.items = list;
+    }
+
+    public void setOnTodoListClickListener(View.OnClickListener onTodoListClickListener) {
+        this.onTodoListClickListener = onTodoListClickListener;
+    }
+
+    public void setItems(List<TodoList> items) {
+        Log.d(TAG, "setItems: setting items in adapter to " + items);
+        this.items = items;
+        notifyDataSetChanged();
+    }
+
+
+    @NonNull
+    @Override
+    public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext())
+                .inflate(R.layout.todo_list_item,parent,false);
+        view.setOnClickListener(this.onTodoListClickListener);
+
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
+
+        holder.getListNameTextView().setText(this.items.get(position).getName());
+        holder.getListSizeTextView().setText(this.items.get(position).getItemsSize() + " items");
+        holder.getListDeleteButton().setOnClickListener(v -> {
+            deleteListItem(position);
+        });
+
+    }
+
+    private void deleteListItem(int pos) {
+        Log.d(TAG, "deleteListItem: deleting list item! at position " + pos);
+        Data.INSTANCE.removeItem(this.items.get(pos));
+    }
+
+    @Override
+    public int getItemCount() {
+        return items.size();
+    }
+
+
+
+    @FunctionalInterface
+    public interface OnTodoListClickListener {
+        void onItemClick(View view, int position);
+    }
+}

TodoTitemsV2/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

TodoTitemsV2/app/src/main/res/drawable/ic_baseline_add_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M19,13h-6v6h-2v-6H5v-2h6V5h2v6h6v2z"/>
+</vector>

TodoTitemsV2/app/src/main/res/drawable/ic_baseline_delete_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z"/>
+</vector>

TodoTitemsV2/app/src/main/res/drawable/ic_baseline_refresh_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M17.65,6.35C16.2,4.9 14.21,4 12,4c-4.42,0 -7.99,3.58 -7.99,8s3.57,8 7.99,8c3.73,0 6.84,-2.55 7.73,-6h-2.08c-0.82,2.33 -3.04,4 -5.65,4 -3.31,0 -6,-2.69 -6,-6s2.69,-6 6,-6c1.66,0 3.14,0.69 4.22,1.78L13,11h7V4l-2.35,2.35z"/>
+</vector>

TodoTitemsV2/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

TodoTitemsV2/app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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="#000000"
+    tools:context=".MainActivity">
+
+    <androidx.fragment.app.FragmentContainerView
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:id="@+id/fragment_container_view"
+
+        app:defaultNavHost="true"
+        app:navGraph="@navigation/nav_graph"
+        />
+<!--    <androidx.recyclerview.widget.RecyclerView-->
+<!--        android:id="@+id/itemRecyclerView"-->
+<!--        android:layout_width="match_parent"-->
+<!--        android:layout_height="match_parent"/>-->
+
+<!--    <com.google.android.material.floatingactionbutton.FloatingActionButton-->
+<!--        android:id="@+id/floatingActionButton"-->
+<!--        android:layout_width="100dp"-->
+<!--        android:layout_height="100dp"-->
+<!--        android:layout_margin="10dp"-->
+<!--        android:onClick="addItem"-->
+<!--        app:layout_constraintBottom_toBottomOf="parent"-->
+<!--        app:layout_constraintEnd_toEndOf="parent" />-->
+
+<!--    <TextView-->
+<!--        android:id="@+id/logView"-->
+<!--        android:layout_width="wrap_content"-->
+<!--        android:layout_height="wrap_content"-->
+<!--        android:layout_marginBottom="10dp"-->
+<!--        android:text="LOG"-->
+<!--        android:textColor="#00ff00"-->
+<!--        app:layout_constraintBottom_toBottomOf="parent"-->
+<!--        app:layout_constraintEnd_toStartOf="@+id/floatingActionButton"-->
+<!--        app:layout_constraintHorizontal_bias="0.01"-->
+<!--        app:layout_constraintStart_toStartOf="parent" />-->
+</androidx.constraintlayout.widget.ConstraintLayout>

TodoTitemsV2/app/src/main/res/layout/fragment_items.xml

@@ -0,0 +1,13 @@
+<?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=".ItemsFragment">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:id="@+id/items_list_recyclerview"/>
+
+</FrameLayout>

TodoTitemsV2/app/src/main/res/layout/fragment_overview.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.swiperefreshlayout.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:id="@+id/swipe_refresh_layout"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".OverviewFragment">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/overview_recyclerview"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+        <com.google.android.material.floatingactionbutton.FloatingActionButton
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:backgroundTint="@color/done"
+            android:id="@+id/floating_action_button_add"
+            android:src="@drawable/ic_baseline_add_24"
+            android:tint="@color/ligh_gray"
+            app:fabSize="mini"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintRight_toRightOf="parent"/>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>

TodoTitemsV2/app/src/main/res/layout/todo_item.xml

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout 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="100dp"
+    android:layout_marginLeft="5dp"
+    android:layout_marginRight="5dp"
+    android:gravity="center_vertical">
+
+    <!--    need to style this:     https://www.journaldev.com/19850/android-button-design-custom-round-color -->
+    <TextView
+        android:id="@+id/itemText"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_margin="5px"
+        android:text="hdajkflhdsajkflhdsajklfhdsjaklfhdjsakfdafdsafdsafdsalfhjdsaklfhfdsafdsafdsafdsafdsafdasfdsafdsafdsajdsakl"
+        android:textColor="@color/design_default_color_primary"
+        android:textSize="20sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.06"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <CheckBox
+        android:id="@+id/itemCheckbox"
+        android:layout_width="1260dp"
+        android:layout_height="96dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/itemText"
+        app:layout_constraintHorizontal_bias="0.0"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <Button
+        android:id="@+id/button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="#850000"
+        android:backgroundTint="#850000"
+        android:onClick="deleteItem"
+        android:text="Delete"
+        app:backgroundTint="#850000"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.98"
+        app:layout_constraintStart_toEndOf="@+id/itemText"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

TodoTitemsV2/app/src/main/res/layout/todo_list_item.xml

@@ -0,0 +1,60 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+
+    app:cardBackgroundColor="@color/dark_blue"
+    app:cardCornerRadius="8dp"
+    app:layout_constraintStart_toStartOf="parent"
+    app:layout_constraintTop_toTopOf="parent">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:padding="10dp">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical"
+            android:id="@+id/texts_linear_layour">
+
+            <TextView
+                android:id="@+id/overview_list_item_text"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="yeet"
+                android:layout_margin="5px"
+                android:textColor="@color/ligh_gray"
+                android:textSize="20sp" />
+
+            <TextView
+                android:id="@+id/overview_list_size"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="hallooooo"
+                android:textColor="@color/light_gray2" />
+
+        </LinearLayout>
+
+
+        <ImageButton
+            android:id="@+id/overview_list_delete_button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignRight="@+id/texts_linear_layour"
+            android:background="#850000"
+            android:backgroundTint="#850000"
+            android:layout_centerVertical="true"
+            android:maxWidth="30dp"
+            android:maxHeight="30dp"
+            android:src="@drawable/ic_baseline_delete_24"
+            />
+
+    </RelativeLayout>
+
+
+</androidx.cardview.widget.CardView>

TodoTitemsV2/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

TodoTitemsV2/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

TodoTitemsV2/app/src/main/res/navigation/nav_graph.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<navigation 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/nav_graph"
+    app:startDestination="@id/overviewFragment">
+
+    <fragment
+        android:id="@+id/overviewFragment"
+        android:name="com.sem.todotitemsv2.OverviewFragment"
+        android:label="fragment_overview"
+        tools:layout="@layout/fragment_overview" >
+        <action
+            android:id="@+id/action_overviewFragment_to_itemsFragment"
+            app:destination="@id/itemsFragment" />
+    </fragment>
+    <fragment
+        android:id="@+id/itemsFragment"
+        android:name="com.sem.todotitemsv2.ItemsFragment"
+        android:label="fragment_items"
+        tools:layout="@layout/fragment_items" >
+        <action
+            android:id="@+id/action_itemsFragment_to_overviewFragment"
+            app:destination="@id/overviewFragment" />
+    </fragment>
+</navigation>

TodoTitemsV2/app/src/main/res/values-night/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.TodoTitemsV2" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/done</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/dark_yellow</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

TodoTitemsV2/app/src/main/res/values/colors.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+    <color name="done">#383d3d</color>
+    <color name="ligh_gray">#9FACAC</color>
+    <color name="light_gray2">#8B9797</color>
+    <color name="dark_blue">#262939</color>
+    <color name="dark_orange">#3A2626</color>
+    <color name="dark_yellow">#AC9A3A</color>
+</resources>

TodoTitemsV2/app/src/main/res/values/strings.xml

@@ -0,0 +1,5 @@
+<resources>
+    <string name="app_name">TodoTitemsV2</string>
+    <!-- TODO: Remove or change this placeholder text -->
+    <string name="hello_blank_fragment">Hello blank fragment</string>
+</resources>

TodoTitemsV2/app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.TodoTitemsV2" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/dark_yellow</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

TodoTitemsV2/app/src/test/java/com/sem/todotitemsv2/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.sem.todotitemsv2;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}