<?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"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <Spinner
        android:id="@+id/spFrom"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="6dp"
        app:layout_constraintEnd_toStartOf="@+id/ivIdentityAdd"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <ImageView
        android:id="@+id/ivIdentityAdd"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:layout_marginEnd="6dp"
        android:layout_marginStart="6dp"
        android:src="@drawable/baseline_person_add_24"
        app:layout_constraintBottom_toBottomOf="@id/spFrom"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="@id/spFrom" />

    <AutoCompleteTextView
        android:id="@+id/etTo"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="6dp"
        android:hint="@string/title_to"
        android:inputType="textEmailAddress|textMultiLine"
        android:singleLine="true"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        app:layout_constraintEnd_toStartOf="@+id/ivToAdd"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/spFrom" />

    <ImageView
        android:id="@+id/ivToAdd"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:layout_marginEnd="6dp"
        android:layout_marginStart="6dp"
        android:src="@drawable/baseline_person_24"
        app:layout_constraintBottom_toBottomOf="@id/etTo"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/etTo"
        app:layout_constraintTop_toTopOf="@+id/etTo" />

    <AutoCompleteTextView
        android:id="@+id/etCc"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="6dp"
        android:hint="@string/title_cc"
        android:inputType="textEmailAddress|textMultiLine"
        android:singleLine="true"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        app:layout_constraintEnd_toStartOf="@+id/ivCcAdd"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/etTo" />

    <ImageView
        android:id="@+id/ivCcAdd"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:layout_marginEnd="6dp"
        android:layout_marginStart="6dp"
        android:src="@drawable/baseline_person_24"
        app:layout_constraintBottom_toBottomOf="@id/etCc"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/etCc"
        app:layout_constraintTop_toTopOf="@+id/etCc" />

    <AutoCompleteTextView
        android:id="@+id/etBcc"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="6dp"
        android:hint="@string/title_bcc"
        android:inputType="textEmailAddress|textMultiLine"
        android:singleLine="true"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        app:layout_constraintEnd_toStartOf="@+id/ivBccAdd"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/etCc" />

    <ImageView
        android:id="@+id/ivBccAdd"
        android:layout_width="24dp"
        android:layout_height="24dp"
        android:layout_marginEnd="6dp"
        android:layout_marginStart="6dp"
        android:src="@drawable/baseline_person_24"
        app:layout_constraintBottom_toBottomOf="@id/etBcc"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@id/etBcc"
        app:layout_constraintTop_toTopOf="@+id/etBcc" />

    <EditText
        android:id="@+id/etSubject"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="6dp"
        android:layout_marginStart="6dp"
        android:hint="@string/title_subject"
        android:inputType="textEmailSubject|textCapSentences|textMultiLine"
        android:singleLine="true"
        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/etBcc" />

    <View
        android:id="@+id/vSeparatorAttachments"
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_marginTop="3dp"
        android:background="?attr/colorSeparator"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/etSubject" />

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/rvAttachment"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="6dp"
        android:layout_marginStart="6dp"
        android:layout_marginTop="3dp"
        android:scrollbarStyle="outsideOverlay"
        android:scrollbars="vertical"
        app:layout_constrainedHeight="true"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHeight_max="150dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/vSeparatorAttachments" />

    <View
        android:id="@+id/vSeparator"
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:layout_marginTop="6dp"
        android:background="?attr/colorSeparator"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/rvAttachment" />

    <ScrollView
        android:id="@+id/scroll"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_marginEnd="6dp"
        android:layout_marginStart="6dp"
        android:fillViewport="true"
        android:orientation="vertical"
        app:layout_constraintBottom_toTopOf="@+id/bottom_navigation"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/vSeparator">

        <EditText
            android:id="@+id/etBody"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@null"
            android:fontFamily="monospace"
            android:gravity="top"
            android:hint="@string/title_body_hint"
            android:inputType="textCapSentences|textMultiLine"
            android:textAppearance="@style/TextAppearance.AppCompat.Small" />
    </ScrollView>

    <com.google.android.material.bottomnavigation.BottomNavigationView
        android:id="@+id/bottom_navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/colorPrimary"
        app:itemIconTint="@color/bottomnav_background"
        app:itemTextColor="@color/bottomnav_background"
        app:labelVisibilityMode="labeled"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:menu="@menu/action_compose" />

    <ProgressBar
        android:id="@+id/pbWait"
        style="@style/Base.Widget.AppCompat.ProgressBar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:indeterminate="true"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <androidx.constraintlayout.widget.Group
        android:id="@+id/grpReady"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:constraint_referenced_ids="etTo,ivToAdd,etSubject,vSeparator,scroll,bottom_navigation" />

    <androidx.constraintlayout.widget.Group
        android:id="@+id/grpHeader"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:constraint_referenced_ids="spFrom,ivIdentityAdd,etTo,ivToAdd,etSubject,vSeparator" />

    <androidx.constraintlayout.widget.Group
        android:id="@+id/grpAddresses"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:constraint_referenced_ids="etCc,ivCcAdd,etBcc,ivBccAdd" />

    <androidx.constraintlayout.widget.Group
        android:id="@+id/grpAttachments"
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:constraint_referenced_ids="vSeparatorAttachments,rvAttachment" />
</androidx.constraintlayout.widget.ConstraintLayout>