<?xml version="1.0" encoding="utf-8"?> <androidx.drawerlayout.widget.DrawerLayout 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/drawerlayout" android:layout_width="match_parent" android:layout_height="match_parent"> <androidx.coordinatorlayout.widget.CoordinatorLayout android:layout_width="match_parent" android:layout_height="match_parent"> <com.google.android.material.appbar.AppBarLayout android:id="@+id/app_bar" android:layout_width="match_parent" android:layout_height="?attr/actionBarSize" android:fitsSystemWindows="true" android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"> <androidx.appcompat.widget.Toolbar android:id="@+id/toolbar" android:layout_width="match_parent" android:layout_height="?attr/actionBarSize" app:layout_collapseMode="pin" app:layout_scrollFlags="scroll|enterAlways" app:popupTheme="@style/ThemeOverlay.AppCompat.Light" /> </com.google.android.material.appbar.AppBarLayout> <fragment android:id="@+id/fragemnt" android:name="androidx.navigation.fragment.NavHostFragment" android:layout_width="match_parent" android:layout_height="match_parent" app:defaultNavHost="true" app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" app:layout_constraintTop_toTopOf="parent" app:navGraph="@navigation/main_nav" /> <com.google.android.material.floatingactionbutton.FloatingActionButton android:id="@+id/fab" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="bottom|end" android:layout_margin="16dp" android:layout_marginEnd="24dp" android:layout_marginBottom="24dp" android:src="@mipmap/ui_add" app:tint="@color/white" app:layout_constraintBottom_toBottomOf="parent" app:layout_constraintEnd_toEndOf="parent" tools:ignore="MissingConstraints" /> </androidx.coordinatorlayout.widget.CoordinatorLayout> <com.google.android.material.navigation.NavigationView android:id="@+id/navaiagtion" android:layout_width="260dp" android:layout_height="match_parent" android:layout_gravity="start" app:headerLayout="@layout/head_layout" app:menu="@menu/menu_drawer_left" /> </androidx.drawerlayout.widget.DrawerLayout>