TikTok-Downloader/app/src/main/res/layout/fragment_help.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingBottom="@dimen/default_padding"
        android:layout_marginStart="@dimen/activity_horizontal_margin"
        android:layout_marginEnd="@dimen/activity_horizontal_margin"
        android:orientation="vertical">

        <androidx.cardview.widget.CardView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/default_padding"
            app:cardCornerRadius="@dimen/card_corner_radius"
            app:cardElevation="@dimen/card_elevation">

            <LinearLayout
                android:layout_margin="@dimen/default_padding"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="vertical">

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="@string/how_to_use_in_app"
                    android:textAppearance="?attr/textAppearanceSubtitle1" />

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="@dimen/default_padding"
                    android:text="@string/how_to_use_in_app_description" />

                <com.pierfrancescosoffritti.androidyoutubeplayer.core.player.views.YouTubePlayerView
                    android:id="@+id/in_app_youtube_view"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="@dimen/default_padding"
                    app:autoPlay="false"
                    app:enableAutomaticInitialization="true"
                    app:handleNetworkEvents="true"
                    app:videoId="NXv3JpmwA8Y" />
            </LinearLayout>

        </androidx.cardview.widget.CardView>

        <androidx.cardview.widget.CardView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/default_padding"
            app:cardCornerRadius="@dimen/card_corner_radius"
            app:cardElevation="@dimen/card_elevation">

            <LinearLayout
                android:layout_margin="@dimen/default_padding"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="vertical">

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="@string/how_to_use_from_tiktok"
                    android:textAppearance="?attr/textAppearanceSubtitle1" />

                <TextView
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="@dimen/default_padding"
                    android:text="@string/how_to_use_from_tiktok_description" />

                <com.pierfrancescosoffritti.androidyoutubeplayer.core.player.views.YouTubePlayerView
                    android:id="@+id/in_tiktok_youtube_view"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_marginTop="@dimen/default_padding"
                    app:autoPlay="false"
                    app:enableAutomaticInitialization="true"
                    app:handleNetworkEvents="true"
                    app:videoId="jxaxffE8c4c" />
            </LinearLayout>

        </androidx.cardview.widget.CardView>

    <androidx.cardview.widget.CardView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="@dimen/default_padding"
        app:cardCornerRadius="@dimen/card_corner_radius"
        app:cardElevation="@dimen/card_elevation">

    <LinearLayout
        android:layout_margin="@dimen/default_padding"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:text="@string/additional_information"
            android:textAppearance="?attr/textAppearanceSubtitle1" />

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/default_padding"
            android:text="@string/error_handling" />

        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/default_padding"
            android:text="@string/captcha_handling" />

        <TextView
            android:id="@+id/repository_link_view"
            android:background="?attr/selectableItemBackground"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/default_padding"
            android:text="@string/link_to_repository" />
    </LinearLayout>
    </androidx.cardview.widget.CardView>

    </LinearLayout>
</ScrollView>