sodalive-android/app/src/main/res/layout/activity_dm_chat_room.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="@color/color_131313">

    <ImageView
        android:id="@+id/iv_background_profile"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:contentDescription="@string/a11y_profile_background"
        android:scaleType="centerCrop"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintDimensionRatio="H,2:3"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <View
        android:id="@+id/view_character_dim"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:background="@color/color_99000000"
        app:layout_constraintBottom_toBottomOf="@id/iv_background_profile"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="@id/iv_background_profile" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/header_container"
        android:layout_width="0dp"
        android:layout_height="60dp"
        android:background="@android:color/transparent"
        android:paddingHorizontal="16dp"
        android:paddingVertical="8dp"
        android:paddingTop="4dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <ImageView
            android:id="@+id/iv_back"
            android:layout_width="24dp"
            android:layout_height="24dp"
            android:contentDescription="@string/a11y_back"
            android:src="@drawable/ic_back"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <ImageView
            android:id="@+id/iv_profile"
            android:layout_width="36dp"
            android:layout_height="36dp"
            android:layout_marginStart="12dp"
            android:contentDescription="@string/a11y_profile_image"
            android:scaleType="centerCrop"
            android:src="@drawable/ic_placeholder_profile"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintStart_toEndOf="@id/iv_back"
            app:layout_constraintTop_toTopOf="parent" />

        <TextView
            android:id="@+id/tv_name"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="12dp"
            android:ellipsize="end"
            android:fontFamily="@font/bold"
            android:maxLines="1"
            android:textColor="#FFFFFFFF"
            android:textSize="12sp"
            app:layout_constraintBottom_toBottomOf="@id/iv_profile"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@id/iv_profile"
            app:layout_constraintTop_toTopOf="@id/iv_profile"
            tools:text="Creator Name" />

    </androidx.constraintlayout.widget.ConstraintLayout>

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rv_messages"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:clipToPadding="false"
        app:layout_constraintBottom_toTopOf="@id/input_container"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/header_container" />

    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/input_container"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:background="@android:color/transparent"
        android:padding="12dp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <EditText
            android:id="@+id/et_message"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginEnd="8dp"
            android:background="@drawable/bg_chat_input"
            android:fontFamily="@font/regular"
            android:hint="@string/chat_input_placeholder"
            android:imeOptions="actionSend|flagNoEnterAction"
            android:importantForAutofill="no"
            android:inputType="textMultiLine"
            android:maxLength="200"
            android:maxLines="4"
            android:minHeight="48dp"
            android:paddingHorizontal="16dp"
            android:paddingVertical="8dp"
            android:textColor="#FFFFFFFF"
            android:textColorHint="#80FFFFFF"
            android:textSize="14sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@id/iv_send"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <ImageView
            android:id="@+id/iv_send"
            android:layout_width="24dp"
            android:layout_height="24dp"
            android:contentDescription="@string/action_send"
            android:src="@drawable/ic_message_send"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

    </androidx.constraintlayout.widget.ConstraintLayout>

</androidx.constraintlayout.widget.ConstraintLayout>