Custom Slider Drawer Android Studio

 <?xml version="1.0" encoding="utf-8"?><!--<?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/drawer_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".AppMainScreen"
    tools:openDrawer="left">

    <!-- Main Content -->
    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

    </RelativeLayout>

    <!-- Drawer Design Starts Here -->
    <androidx.core.widget.NestedScrollView
        android:layout_width="@dimen/_230sdp"
        android:layout_height="match_parent"
        android:layout_gravity="start"
        android:elevation="8dp">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">

            <!-- Drawer Header -->

            <com.google.android.material.card.MaterialCardView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:backgroundTint="@color/white"
                android:outlineAmbientShadowColor="#000000"
                app:cardCornerRadius="0dp"
                app:cardElevation="@dimen/_15sdp"
                app:strokeWidth="0dp">


            </com.google.android.material.card.MaterialCardView>

            <!-- Drawer Items -->
            <!-- Add more drawer items here -->



        </LinearLayout>
    </androidx.core.widget.NestedScrollView>


</androidx.drawerlayout.widget.DrawerLayout>

Activity Java Code

// Find the DrawerLayout
DrawerLayout drawerLayout = findViewById(R.id.drawer_layout);

// Find the Button and set an OnClickListener to open the drawer
ImageView iv_drawerOpen = findViewById(R.id.iv_drawerOpen);
ImageView iv_drawerClose = findViewById(R.id.iv_drawerClose);

iv_drawerOpen.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        drawerLayout.openDrawer(GravityCompat.START,true);
    }
});

iv_drawerClose.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View view) {
        drawerLayout.closeDrawer(GravityCompat.START,true);
    }
});