PixelDroid-App-Android/app/src/main/res/layout/activity_video_edit.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    android:background="@android:color/black"
    android:scrollbarThumbHorizontal="@drawable/thumb_left">



    <androidx.media2.widget.VideoView
        android:id="@+id/videoView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:background="#000000"
        app:layout_constraintBottom_toTopOf="@+id/thumbnail4"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <org.pixeldroid.app.postCreation.photoEdit.cropper.CropImageView
        android:id="@+id/cropImageView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        app:layout_constraintBottom_toBottomOf="@+id/videoView"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        android:visibility="visible"/>

    <ImageView
        android:id="@+id/muter"
        android:layout_width="60dp"
        android:layout_height="40dp"
        android:layout_marginStart="16dp"
        android:layout_marginBottom="48dp"
        android:contentDescription="@string/mute_video"
        android:background="?attr/selectableItemBackgroundBorderless"
        android:padding="4dp"
        android:src="@drawable/selector_mute"
        app:layout_constraintBottom_toTopOf="@+id/thumbnail1"
        app:layout_constraintStart_toStartOf="parent" />


    <ImageView
        android:id="@+id/speeder"
        android:layout_width="60dp"
        android:layout_height="40dp"
        android:layout_marginStart="16dp"
        android:layout_marginBottom="48dp"
        android:contentDescription="@string/video_speed"
        android:background="?attr/selectableItemBackgroundBorderless"
        android:padding="4dp"
        android:src="@drawable/speed"
        app:layout_constraintBottom_toTopOf="@+id/thumbnail1"
        app:layout_constraintStart_toEndOf="@+id/muter" />

    <com.google.android.material.slider.RangeSlider
        android:id="@+id/videoRangeSeekBar"
        android:layout_width="match_parent"
        android:layout_height="80dp"
        android:contentDescription="@string/select_video_range"
        android:elevation="5dp"
        android:layout_marginStart="-15dp"
        android:layout_marginEnd="-15dp"
        android:valueFrom="0.0"
        android:valueTo="100.0"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="@+id/thumbnail1" />

    <ImageView
        android:id="@+id/thumbnail1"
        android:layout_width="0dp"
        android:layout_height="80dp"
        android:contentDescription="@string/thumbnail_reel_video_edit"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toLeftOf="@+id/thumbnail2" />

    <ImageView
        android:id="@+id/thumbnail2"
        android:layout_width="0dp"
        android:layout_height="80dp"
        android:contentDescription="@string/thumbnail_reel_video_edit"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toRightOf="@+id/thumbnail1"
        app:layout_constraintRight_toLeftOf="@+id/thumbnail3" />

    <ImageView
        android:id="@+id/thumbnail3"
        android:layout_width="0dp"
        android:layout_height="80dp"
        android:contentDescription="@string/thumbnail_reel_video_edit"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toRightOf="@+id/thumbnail2"
        app:layout_constraintRight_toLeftOf="@+id/thumbnail4" />

    <ImageView
        android:id="@+id/thumbnail4"
        android:layout_width="0dp"
        android:layout_height="80dp"
        android:contentDescription="@string/thumbnail_reel_video_edit"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toRightOf="@+id/thumbnail3"
        app:layout_constraintRight_toLeftOf="@+id/thumbnail5" />

    <ImageView
        android:id="@+id/thumbnail5"
        android:layout_width="0dp"
        android:layout_height="80dp"
        android:contentDescription="@string/thumbnail_reel_video_edit"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toRightOf="@+id/thumbnail4"
        app:layout_constraintRight_toLeftOf="@+id/thumbnail6" />

    <ImageView
        android:id="@+id/thumbnail6"
        android:layout_width="0dp"
        android:layout_height="80dp"
        android:contentDescription="@string/thumbnail_reel_video_edit"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toRightOf="@+id/thumbnail5"
        app:layout_constraintRight_toLeftOf="@+id/thumbnail7" />

    <ImageView
        android:id="@+id/thumbnail7"
        android:layout_width="0dp"
        android:layout_height="80dp"
        android:contentDescription="@string/thumbnail_reel_video_edit"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toRightOf="@+id/thumbnail6"
        app:layout_constraintRight_toRightOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>