diff --git a/app/src/main/java/com/capstone/foodify/MainActivity.java b/app/src/main/java/com/capstone/foodify/MainActivity.java
index b56dc03..87a3743 100644
--- a/app/src/main/java/com/capstone/foodify/MainActivity.java
+++ b/app/src/main/java/com/capstone/foodify/MainActivity.java
@@ -11,6 +11,8 @@ import android.view.MenuItem;
 import com.google.android.material.bottomnavigation.BottomNavigationView;
 import com.google.android.material.navigation.NavigationBarView;
 
+import java.util.Objects;
+
 public class MainActivity extends AppCompatActivity {
 
     ViewPager2 viewPager2;
@@ -23,6 +25,8 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
+        Objects.requireNonNull(getSupportActionBar()).hide();
+
         bottomNavigationView = findViewById(R.id.bottom_nav);
         viewPager2 = findViewById(R.id.viewPager);
         viewPagerAdapter = new ViewPagerAdapter(this);
diff --git a/app/src/main/java/com/capstone/foodify/SignInActivity.java b/app/src/main/java/com/capstone/foodify/SignInActivity.java
index 4029786..15f0741 100644
--- a/app/src/main/java/com/capstone/foodify/SignInActivity.java
+++ b/app/src/main/java/com/capstone/foodify/SignInActivity.java
@@ -1,12 +1,17 @@
 package com.capstone.foodify;
 
-import androidx.appcompat.app.AppCompatActivity;
-
 import android.content.Intent;
 import android.os.Bundle;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
+
+import java.util.Objects;
+
 public class SignInActivity extends AppCompatActivity {
 
     TextView signUp_textView;
@@ -15,6 +20,12 @@ public class SignInActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_sign_in);
 
+        // calling the action bar
+        ActionBar actionBar = getSupportActionBar();
+        Objects.requireNonNull(actionBar).setDisplayShowTitleEnabled(false);
+        // showing the back button in action bar
+        Objects.requireNonNull(actionBar).setDisplayHomeAsUpEnabled(true);
+
         signUp_textView = (TextView) findViewById(R.id.sign_up_textView);
         signUp_textView.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -23,4 +34,15 @@ public class SignInActivity extends AppCompatActivity {
             }
         });
     }
+
+    // this event will enable the back
+    // function to the button on press
+    @Override
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
+        if (item.getItemId() == android.R.id.home) {
+            this.finish();
+            return true;
+        }
+        return super.onOptionsItemSelected(item);
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/capstone/foodify/SplashScreenActivity.java b/app/src/main/java/com/capstone/foodify/SplashScreenActivity.java
index 998d639..82e10c7 100644
--- a/app/src/main/java/com/capstone/foodify/SplashScreenActivity.java
+++ b/app/src/main/java/com/capstone/foodify/SplashScreenActivity.java
@@ -23,5 +23,7 @@ public class SplashScreenActivity extends AppCompatActivity {
                 finish();
             }
         }, 3000);
+
+        Objects.requireNonNull(getSupportActionBar()).hide();
     }
 }
\ No newline at end of file
diff --git a/app/src/main/res/drawable/vector.xml b/app/src/main/res/drawable/vector.xml
new file mode 100644
index 0000000..7e077b4
--- /dev/null
+++ b/app/src/main/res/drawable/vector.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="8dp"
+    android:height="12dp"
+    android:viewportWidth="8"
+    android:viewportHeight="12">
+  <path
+      android:pathData="M2.926,6L7.463,10.538L6.167,11.834L0.333,6L6.167,0.166L7.463,1.462L2.926,6Z"
+      android:fillColor="#2D2D2D"/>
+</vector>