Signal-Android/app/src/main/res/layout/conversation_list_fragment.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:id="@+id/constraint_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="?android:windowBackground">

    <ViewStub
        android:id="@+id/voice_note_player"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inflatedId="@+id/voice_note_player"
        android:layout="@layout/voice_note_player_stub"
        app:layout_constraintTop_toBottomOf="@id/toolbar_barrier" />

    <org.thoughtcrime.securesms.util.views.DarkOverflowToolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:background="@color/signal_background_primary"
        android:minHeight="?attr/actionBarSize"
        android:theme="?attr/actionBarStyle"
        android:visibility="gone"
        app:contentInsetStart="0dp"
        app:layout_constraintTop_toTopOf="parent"
        tools:visibility="visible">

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

            <org.thoughtcrime.securesms.components.AvatarImageView
                android:id="@+id/toolbar_icon"
                android:layout_width="@dimen/toolbar_avatar_size"
                android:layout_height="@dimen/toolbar_avatar_size"
                android:layout_alignParentStart="true"
                android:layout_marginStart="@dimen/toolbar_avatar_margin"
                android:contentDescription="@string/conversation_list_settings_shortcut"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                tools:src="@drawable/ic_contact_picture" />

            <org.thoughtcrime.securesms.badges.BadgeImageView
                android:id="@+id/toolbar_badge"
                android:layout_width="16dp"
                android:layout_height="16dp"
                android:layout_marginStart="14dp"
                android:layout_marginTop="16dp"
                app:badge_size="small"
                app:layout_constraintStart_toStartOf="@id/toolbar_icon"
                app:layout_constraintTop_toTopOf="@id/toolbar_icon" />

            <View
                android:id="@+id/toolbar_settings_touch_area"
                android:layout_width="48dp"
                android:layout_height="48dp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="@id/toolbar_icon"
                app:layout_constraintStart_toStartOf="@id/toolbar_icon"
                app:layout_constraintTop_toTopOf="parent" />

            <View
                android:id="@+id/unread_payments_indicator"
                android:layout_width="13dp"
                android:layout_height="13dp"
                android:layout_marginStart="20dp"
                android:layout_marginBottom="20dp"
                android:alpha="0"
                android:background="@drawable/unread_count_background"
                app:layout_constraintBottom_toBottomOf="@id/toolbar_icon"
                app:layout_constraintStart_toStartOf="@id/toolbar_icon"
                tools:alpha="1" />

            <TextView
                android:id="@+id/conversation_list_title"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginStart="26dp"
                android:text="@string/app_name"
                android:textAlignment="viewStart"
                android:textColor="@color/signal_text_primary"
                android:textSize="20sp"
                android:textStyle="bold"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toStartOf="@id/conversation_list_notification_profile_status"
                app:layout_constraintStart_toEndOf="@id/toolbar_icon"
                app:layout_constraintTop_toTopOf="parent" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/conversation_list_notification_profile_status"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="?selectableItemBackgroundBorderless"
                android:paddingHorizontal="3dp"
                android:paddingVertical="11dp"
                android:visibility="gone"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toStartOf="@id/conversation_list_proxy_status"
                app:layout_constraintStart_toEndOf="@id/conversation_list_title"
                app:layout_constraintTop_toTopOf="parent"
                app:srcCompat="@drawable/ic_notification_profile_active"
                tools:visibility="visible" />

            <ImageView
                android:id="@+id/conversation_list_proxy_status"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="?selectableItemBackgroundBorderless"
                android:padding="12dp"
                android:visibility="gone"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toStartOf="@id/search_action"
                app:layout_constraintStart_toEndOf="@id/conversation_list_notification_profile_status"
                app:layout_constraintTop_toTopOf="parent"
                tools:src="@drawable/ic_proxy_connected_24"
                tools:visibility="visible" />

            <androidx.appcompat.widget.AppCompatImageView
                android:id="@+id/search_action"
                android:layout_width="48dp"
                android:layout_height="48dp"
                android:background="?actionBarItemBackground"
                android:contentDescription="@string/conversation_list_search_description"
                android:padding="12dp"
                android:tint="@color/signal_icon_tint_primary"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                app:srcCompat="@drawable/ic_search_24" />

        </androidx.constraintlayout.widget.ConstraintLayout>

    </org.thoughtcrime.securesms.util.views.DarkOverflowToolbar>

    <ViewStub
        android:id="@+id/toolbar_basic"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:layout="@layout/conversation_list_archive_toolbar"
        android:minHeight="?attr/actionBarSize"
        app:layout_constraintTop_toTopOf="parent" />

    <ViewStub
        android:id="@+id/search_toolbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout="@layout/conversation_list_search_toolbar"
        app:layout_constraintTop_toTopOf="parent" />

    <androidx.constraintlayout.widget.Barrier
        android:id="@+id/toolbar_barrier"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:barrierDirection="bottom"
        app:constraint_referenced_ids="toolbar,toolbar_basic" />

    <View
        android:id="@+id/conversation_list_toolbar_shadow"
        android:layout_width="match_parent"
        android:layout_height="5dp"
        android:background="@drawable/toolbar_shadow"
        android:visibility="gone"
        android:elevation="100dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/toolbar_barrier"
        tools:visibility="visible" />

    <TextView
        android:id="@+id/search_no_results"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:background="@color/signal_background_primary"
        android:gravity="center"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/toolbar_barrier"
        tools:text="@string/SearchFragment_no_results" />

    <ViewStub
        android:id="@+id/empty_state"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="32dp"
        android:layout="@layout/conversation_list_empty_state"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/toolbar_barrier" />

    <ViewStub
        android:id="@+id/reminder"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inflatedId="@+id/reminder"
        android:layout="@layout/conversation_list_reminder_view"
        app:layout_constraintTop_toBottomOf="@id/toolbar_barrier" />

    <ViewStub
        android:id="@+id/payments_notification"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inflatedId="@+id/payments_notification"
        android:layout="@layout/payment_notification_view"
        app:layout_constraintTop_toBottomOf="@id/toolbar_barrier" />

    <androidx.constraintlayout.widget.Barrier
        android:id="@+id/banner_barrier"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:barrierDirection="bottom"
        app:constraint_referenced_ids="reminder,payments_notification,voice_note_player" />

    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/list"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:clipToPadding="false"
        android:nextFocusDown="@+id/fab"
        android:nextFocusForward="@+id/fab"
        android:paddingBottom="160dp"
        android:scrollbars="vertical"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintTop_toBottomOf="@id/banner_barrier"
        tools:listitem="@layout/conversation_list_item_view"
        tools:visibility="visible" />

    <androidx.coordinatorlayout.widget.CoordinatorLayout
        android:id="@+id/coordinator"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:clipChildren="false"
        android:clipToPadding="false"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/banner_barrier">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_gravity="bottom|end"
            android:clipChildren="false"
            android:clipToPadding="false"
            android:gravity="end"
            android:orientation="vertical"
            app:layout_behavior="org.thoughtcrime.securesms.util.views.SlideUpWithSnackbarBehavior">

            <org.thoughtcrime.securesms.components.registration.PulsingFloatingActionButton
                android:id="@+id/camera_fab"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:layout_marginEnd="16dp"
                android:layout_marginBottom="20dp"
                android:contentDescription="@string/conversation_list_fragment__open_camera_description"
                android:focusable="true"
                android:tint="@color/signal_icon_tint_secondary"
                app:backgroundTint="@color/conversation_list_camera_button_background"
                app:srcCompat="@drawable/ic_camera_solid_white_24" />

            <org.thoughtcrime.securesms.components.registration.PulsingFloatingActionButton
                android:id="@+id/fab"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginEnd="16dp"
                android:layout_marginBottom="16dp"
                android:contentDescription="@string/conversation_list_fragment__fab_content_description"
                android:focusable="true"
                android:tint="@color/core_white"
                app:backgroundTint="@color/core_ultramarine"
                app:srcCompat="@drawable/ic_compose_solid_24" />

            <ViewStub
                android:id="@+id/megaphone_container"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout="@layout/conversation_list_megaphone_container"
                app:layout_constraintBottom_toBottomOf="parent" />

        </LinearLayout>

    </androidx.coordinatorlayout.widget.CoordinatorLayout>

    <org.thoughtcrime.securesms.components.menu.SignalBottomActionBar
        android:id="@+id/conversation_list_bottom_action_bar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginStart="16dp"
        android:layout_marginEnd="16dp"
        android:layout_marginBottom="36dp"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />


</androidx.constraintlayout.widget.ConstraintLayout>