Fuck.

app/src/main/AndroidManifest.xml

@@ -12,6 +12,10 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.AndroidProjectCollection"
         tools:targetApi="31">
+        <activity
+            android:name=".MenuExercise"
+            android:exported="false"
+            />
         <activity
             android:name=".activity_passing_intents_exercise2"
             android:exported="false" />

app/src/main/java/com/example/androidprojectcollection/MainActivity.java

@@ -13,7 +13,7 @@ import androidx.core.view.WindowInsetsCompat;
 
 public class MainActivity extends AppCompatActivity {
 
-    Button btn1,btn2,btn3,btn4,btn5;
+    Button btn1,btn2,btn3,btn4,btn5,btn6;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -68,6 +68,15 @@ public class MainActivity extends AppCompatActivity {
             }
         });
 
+        btn6 = findViewById(R.id.btnMenu);
+        btn6.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent startPI1 = new Intent(MainActivity.this, MenuExercise.class);
+                startActivity(startPI1);
+            }
+        });
+
 
 
     }

app/src/main/java/com/example/androidprojectcollection/MenuExercise.java

@@ -0,0 +1,123 @@
+package com.example.androidprojectcollection;
+
+import android.graphics.Color;
+import android.os.Bundle;
+import android.os.ParcelUuid;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
+import android.view.ViewGroup;
+import android.widget.Button;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.activity.EdgeToEdge;
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.graphics.Insets;
+import android.view.ViewGroup.LayoutParams;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import java.util.Random;
+
+public class MenuExercise extends AppCompatActivity {
+
+    Button btn;
+    LayoutParams btnParams;
+    LayoutParams keepParam;
+    float keepX, keepY;
+    String text;
+
+    Random rand;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        EdgeToEdge.enable(this);
+        setContentView(R.layout.activity_menu_exercise);
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            return insets;
+        });
+
+        btn = findViewById(R.id.mainButton);
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
+        btnParams = btn.getLayoutParams();
+        rand = new Random();
+        text = btn.getText().toString();
+        float density = getResources().getDisplayMetrics().density;
+        keepX = (213.5f * density + 0.5f);
+        keepY = (704 * density + 0.5f);
+        keepParam = new LayoutParams((int) (179 * density + 0.5f),(int) (145 * density + 0.5f));
+
+
+
+    }
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+                inflater.inflate(R.menu.menu_menuexercise, menu);
+                return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item){
+
+        if(item.getItemId()==R.id.colorR){
+            btn.setBackgroundColor(Color.RED);
+
+        } else if (item.getItemId()==R.id.colorG) {
+            btn.setBackgroundColor(Color.GREEN);
+
+        }else if (item.getItemId()==R.id.colorB) {
+            btn.setBackgroundColor(Color.BLUE);
+        } else if (item.getItemId()==R.id.mItemSmall) {
+            btnParams.height = 200;
+            btnParams.width = 200;
+            btn.setLayoutParams(btnParams);
+            
+        } else if (item.getItemId()==R.id.mItemMedium) {
+            btnParams.height = 400;
+            btnParams.width = 400;
+            btn.setLayoutParams(btnParams);
+
+        } else if (item.getItemId()==R.id.mItemLarge) {
+            btnParams.height = 600;
+            btnParams.width = 600;
+            btn.setLayoutParams(btnParams);
+
+        } else if (item.getItemId()==R.id.mItemDisable) {
+            if(btn.isEnabled()){
+                btn.setEnabled(false);
+            } else {
+                btn.setEnabled(true);
+            }
+
+        } else if (item.getItemId()==R.id.mItemChangePos) {
+            btn.setX(rand.nextInt(200));
+            btn.setX(rand.nextInt(200));
+        } else if (item.getItemId()==R.id.mItemRandomT) {
+            btn.setText(randomText());
+        } else if (item.getItemId()==R.id.mItemReset) {
+            btn.setLayoutParams(keepParam);
+            btn.setX(keepX);
+            btn.setY(keepY);
+            btn.setBackgroundColor(Color.rgb(204,189,250));
+            btn.setEnabled(true);
+            btn.setText(text);
+        } else if (item.getItemId()==R.id.mItemExit) {
+            finish();
+        }
+        return true;
+    }
+
+    private String randomText(){
+        String[] words = {"Bruh","Hello", "Hey", "Howdy", "Hi","Wammy","???","777"};
+        return words[rand.nextInt(8)];
+    }
+
+}

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

@@ -135,7 +135,7 @@
             android:orientation="horizontal">
 
             <Button
-                android:id="@+id/button4"
+                android:id="@+id/btnMenu"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center"

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

@@ -0,0 +1,34 @@
+<?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:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MenuExercise">
+
+    <androidx.appcompat.widget.Toolbar
+        android:id="@+id/toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        android:background="?attr/colorPrimary"
+        android:elevation="4dp"
+        android:theme="@style/ThemeOverlay.AppCompat.DayNight.ActionBar"
+        app:popupTheme="@style/ThemeOverlay.AppCompat.DayNight"
+        tools:ignore="MissingConstraints" />
+
+
+    <Button
+        android:id="@+id/mainButton"
+        android:layout_width="179dp"
+        android:layout_height="145dp"
+        android:layout_marginStart="116dp"
+        android:layout_marginTop="293dp"
+        android:layout_marginEnd="116dp"
+        android:layout_marginBottom="293dp"
+        android:text="Click Me!"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/menu_menuexercise.xml

@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/mItemChange"
+        android:title="Attribute Change">
+        <menu>
+            <item android:title="Change Color">
+                <menu>
+                    <item
+                        android:id="@+id/colorR"
+                        android:title="R" />
+                    <item
+                        android:id="@+id/colorG"
+                        android:title="G" />
+                    <item
+                        android:id="@+id/colorB"
+                        android:title="B" />
+                </menu>
+            </item>
+            <item android:title="Change Size">
+                <menu>
+                    <item
+                        android:id="@+id/mItemSmall"
+                        android:title="Small" />
+                    <item
+                        android:id="@+id/mItemMedium"
+                        android:title="Medium" />
+                    <item
+                        android:id="@+id/mItemLarge"
+                        android:title="Large" />
+                </menu>
+            </item>
+            <item android:title="Change State">
+                <menu>
+                    <item
+                        android:id="@+id/mItemDisable"
+                        android:title="Disable" />
+                </menu>
+            </item>
+            <item android:title="Change Position" >
+                <menu >
+                    <item
+                        android:id="@+id/mItemChangePos"
+                        android:title="Change Position" />
+                </menu>
+            </item>
+            <item android:title="Change Text" >
+                <menu >
+                    <item
+                        android:id="@+id/mItemRandomT"
+                        android:title="Change Randomly" />
+                </menu>
+            </item>
+        </menu>
+    </item>
+    <item
+        android:id="@+id/mItemReset"
+        android:title="Reset" />
+    <item
+        android:id="@+id/mItemExit"
+        android:title="Exit" />
+</menu>