firt init

app/src/main/res/layout/activity_main2.xml

@@ -9,7 +9,7 @@
 
     <include
         android:id="@+id/app_bar"
-        layout="@layout/app_bar" />
+        layout="@layout/app_bar_boxing" />
 
     <com.google.android.material.bottomnavigation.BottomNavigationView
         android:id="@+id/nav_view"

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

@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="utf-8"?>
+<com.google.android.material.appbar.AppBarLayout 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/app_bar_layout"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:theme="@style/AppBarOverlay">
+
+    <com.google.android.material.appbar.MaterialToolbar
+        android:id="@+id/gdt_toolbar"
+        android:layout_width="match_parent"
+        android:layout_height="?attr/actionBarSize"
+        android:layout_gravity="center_vertical"
+        android:background="@color/text_black"
+        app:popupTheme="@style/PopupOverlay">
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:layout_gravity="center_vertical">
+
+            <ImageView
+                android:id="@+id/iv_logo"
+                android:layout_width="wrap_content"
+                android:layout_height="0dp"
+                android:layout_marginTop="4dp"
+                android:layout_marginBottom="4dp"
+                android:adjustViewBounds="true"
+                android:scaleType="fitXY"
+                android:src="@drawable/ic_logo"
+                app:layout_constraintBottom_toBottomOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="parent" />
+
+            <ImageView
+                android:id="@+id/iv_account"
+                android:layout_width="24dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:adjustViewBounds="true"
+                android:background="?attr/selectableItemBackgroundBorderless"
+                android:clickable="true"
+                android:focusable="true"
+                android:scaleType="fitXY"
+                android:src="@drawable/ic_user_white"
+                app:layout_constraintBottom_toBottomOf="@+id/iv_logo"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintTop_toTopOf="@id/iv_logo"
+                app:layout_constraintVertical_chainStyle="packed" />
+
+            <ImageView
+                android:id="@+id/iv_star"
+                android:layout_width="20dp"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="8dp"
+                android:adjustViewBounds="true"
+                android:clickable="true"
+                android:focusable="true"
+                android:scaleType="fitXY"
+                android:src="@drawable/ic_star_filled_50"
+                app:layout_constraintBottom_toBottomOf="@+id/iv_logo"
+                app:layout_constraintEnd_toStartOf="@+id/iv_account"
+                app:layout_constraintTop_toTopOf="@id/iv_logo" />
+
+            <ImageView
+                android:id="@+id/iv_calendar"
+                android:layout_width="24dp"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="2dp"
+                android:layout_marginEnd="8dp"
+                android:adjustViewBounds="true"
+                android:clickable="true"
+                android:focusable="true"
+                android:scaleType="fitXY"
+                android:src="@drawable/ic_calendar_64"
+                app:layout_constraintBottom_toBottomOf="@+id/iv_logo"
+                app:layout_constraintEnd_toStartOf="@+id/iv_star"
+                app:layout_constraintTop_toTopOf="@id/iv_logo" />
+
+            <ImageView
+                android:id="@+id/iv_search"
+                android:layout_width="24dp"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="2dp"
+                android:layout_marginEnd="8dp"
+                android:adjustViewBounds="true"
+                android:clickable="true"
+                android:focusable="true"
+                android:scaleType="fitXY"
+                android:src="@drawable/ic_search_50"
+                app:layout_constraintBottom_toBottomOf="@+id/iv_logo"
+                app:layout_constraintEnd_toStartOf="@+id/iv_calendar"
+                app:layout_constraintTop_toTopOf="@id/iv_logo" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </com.google.android.material.appbar.MaterialToolbar>
+</com.google.android.material.appbar.AppBarLayout>