Sharingang/Sharingang-Android

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:tools="http://schemas.android.com/tools"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:android="http://schemas.android.com/apk/res/android">
    <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:orientation="vertical"
            android:padding="5dp">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@drawable/message_title">

            <ImageView
                android:id="@+id/chatPartnerPic"
                android:layout_width="50dp"
                android:layout_height="50dp"
                android:layout_marginStart="18dp"
                android:layout_marginTop="8dp"
                android:layout_marginBottom="8dp"
                android:contentDescription="@string/profilePicture"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                app:srcCompat="@mipmap/ic_launcher" />

            <TextView
                android:id="@+id/chatPartnerUsername"
                android:layout_width="wrap_content"
                android:layout_height="27dp"
                android:layout_marginStart="20dp"
                android:text="@string/username"
                android:textSize="20sp"
                android:textColor="@color/white"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toEndOf="@+id/chatPartnerPic"
                app:layout_constraintTop_toTopOf="parent" />

        </androidx.constraintlayout.widget.ConstraintLayout>

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/history"
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_marginTop="4dp"
                app:layout_constraintBottom_toTopOf="@+id/linearLayout2"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent">

            </androidx.recyclerview.widget.RecyclerView>

            <LinearLayout
                android:id="@+id/linearLayout2"
                android:layout_width="match_parent"
                android:layout_height="55dp"
                android:orientation="horizontal"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/history"
                tools:layout_editor_absoluteX="-30dp">

                <EditText
                    android:id="@+id/messageEditText"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:autofillHints="true"
                    android:ems="10"
                    android:hint="@string/messageHint"
                    android:inputType="textPersonName" />

                <ImageButton
                    android:id="@+id/btnSend"
                    android:layout_width="match_parent"
                    android:layout_height="51dp"
                    android:layout_margin="2dp"
                    android:layout_weight="5"
                    android:contentDescription="@string/profilePicture"
                    app:srcCompat="@android:drawable/ic_menu_send" />
            </LinearLayout>

        </androidx.constraintlayout.widget.ConstraintLayout>

    </LinearLayout>

</layout>