<?xml version="1.0" encoding="utf-8"?>
<layout>
<androidx.coordinatorlayout.widget.CoordinatorLayout android:id="@+id/container"
    android:layout_marginBottom="0dp"
    android:fitsSystemWindows="true"
    android:orientation="vertical"
    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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">


    <androidx.appcompat.widget.LinearLayoutCompat
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="#80FFFFFF"
        android:layout_marginBottom="280dp">

        <androidx.appcompat.widget.AppCompatImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:scaleType="fitXY"
            app:srcCompat="@drawable/img_demo" />


    </androidx.appcompat.widget.LinearLayoutCompat>

    <LinearLayout
        android:id="@+id/bottom_sheet"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:focusable="false"
        android:focusableInTouchMode="true"
        android:orientation="vertical"
        android:background="#E1E0E0"
        app:behavior_hideable="false"
        app:behavior_peekHeight="320dp"
        app:layout_behavior="@string/bottom_sheet_behavior">

        <View
            android:id="@+id/dash"
            android:layout_width="50dp"
            android:layout_height="6dp"
            android:layout_marginTop="5dp"
            android:layout_gravity="center|top"
            android:background="@drawable/line_shape" />


        <androidx.appcompat.widget.AppCompatTextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:textSize="25sp"
            android:gravity="center"
            android:text="Hello world">

        </androidx.appcompat.widget.AppCompatTextView>

        <ImageView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scaleType="fitXY"
            android:src="@drawable/demo_2" />


    </LinearLayout>


</androidx.coordinatorlayout.widget.CoordinatorLayout>
</layout>

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.databinding.DataBindingUtil;

import android.os.Bundle;
import android.view.View;
import android.widget.LinearLayout;

import com.bottomsheetbehavior.databinding.ActivityMainBinding;
import com.google.android.material.bottomsheet.BottomSheetBehavior;

public class MainActivity extends AppCompatActivity {

    ActivityMainBinding binding;
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding = DataBindingUtil.setContentView(this,R.layout.activity_main);

       BottomSheetBehavior<LinearLayout> view =  BottomSheetBehavior.from(binding.bottomSheet);

        view.setDraggable(true);
        view.addBottomSheetCallback(new BottomSheetBehavior.BottomSheetCallback() {
            @Override
            public void onStateChanged(@NonNull View bottomSheet, int newState) {
                if (newState == BottomSheetBehavior.STATE_COLLAPSED) {

                    // binding.scrollView.isEnableScrolling = false
                }else if (newState == BottomSheetBehavior.STATE_EXPANDED) {
                    // binding.scrollView.isEnableScrolling = true
                }
            }

            @Override
            public void onSlide(@NonNull View bottomSheet, float slideOffset) {

            }
        });


    }


}