session-android/res/layout/conversation_activity.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/rootView"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/default_session_background">

    <androidx.appcompat.widget.Toolbar
        android:id="@+id/toolbar"
        android:layout_width="match_parent"
        android:layout_height="?attr/actionBarSize"
        android:minHeight="?attr/actionBarSize"
        app:contentInsetLeft="24dp"
        app:contentInsetRight="20dp"
        android:background="@color/action_bar_background"
        android:theme="@style/Session.DarkActionBar"
        app:popupTheme="@style/Session.DarkActionBar">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="center_vertical"
            android:orientation="horizontal">

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="vertical">

                <TextView
                    android:id="@+id/titleTextView"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:maxLines="1"
                    android:ellipsize="end"
                    android:text="Conversation"
                    android:textColor="@color/text"
                    android:textSize="@dimen/large_font_size"
                    android:fontFamily="sans-serif-medium" />

                <LinearLayout
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal">

                    <ImageView
                        android:id="@+id/muteIndicatorImageView"
                        android:layout_width="12dp"
                        android:layout_height="12dp"
                        android:src="@drawable/ic_mute"
                        android:layout_marginRight="4dp"
                        android:visibility="gone" />

                    <TextView
                        android:id="@+id/subtitleTextView"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:maxLines="1"
                        android:ellipsize="end"
                        android:text="26 members"
                        android:textColor="@color/text"
                        android:textSize="@dimen/small_font_size" />

                </LinearLayout>

            </LinearLayout>

            <View
                android:layout_width="0dp"
                android:layout_height="match_parent"
                android:layout_weight="1" />

        </LinearLayout>

    </androidx.appcompat.widget.Toolbar>

    <org.thoughtcrime.securesms.components.InputAwareLayout
        android:id="@+id/layout_container"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:id="@+id/conversation_container"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:clipChildren="false"
            android:clipToPadding="false"
            android:gravity="bottom"
            android:orientation="vertical"
            android:paddingTop="?attr/actionBarSize">

            <ProgressBar
                android:id="@+id/messageStatusProgressBar"
                style="?android:attr/progressBarStyleHorizontal"
                android:layout_width="match_parent"
                android:layout_height="@dimen/accent_line_thickness"
                android:paddingLeft="-2dp"
                android:paddingRight="-2dp"
                android:progressTint="@color/accent"
                android:progressBackgroundTint="@color/transparent"
                android:alpha="0"
                android:indeterminate="false"
                android:progress="0" />

            <org.thoughtcrime.securesms.loki.views.SessionRestoreBannerView
                android:id="@+id/sessionRestoreBannerView"
                android:layout_width="match_parent"
                android:layout_height="wrap_content" />

            <ViewStub
                android:id="@+id/group_share_profile_view_stub"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inflatedId="@+id/group_share_profile_view"
                android:layout="@layout/conversation_activity_group_share_profile_stub" />

            <ViewStub
                android:id="@+id/unverified_banner_stub"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inflatedId="@+id/unverified_banner"
                android:layout="@layout/conversation_activity_unverified_banner_stub" />

            <ViewStub
                android:id="@+id/reminder_stub"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inflatedId="@+id/reminder"
                android:layout="@layout/conversation_activity_reminderview_stub" />

            <FrameLayout
                android:id="@+id/fragment_content"
                android:layout_width="match_parent"
                android:layout_height="0dp"
                android:layout_weight="1" />

            <ViewStub
                android:id="@+id/attachment_editor_stub"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inflatedId="@+id/attachment_editor"
                android:layout="@layout/conversation_activity_attachment_editor_stub" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical"
                android:clipChildren="false"
                android:clipToPadding="false">

                <LinearLayout
                    android:id="@+id/mentionCandidateSelectionViewContainer"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:orientation="vertical"
                    android:visibility="gone">

                    <View
                        android:layout_width="match_parent"
                        android:layout_height="1px"
                        android:background="@color/separator" />

                    <include layout="@layout/view_mention_candidate_selection" />

                    <View
                        android:layout_width="match_parent"
                        android:layout_height="1px"
                        android:background="@color/separator" />

                </LinearLayout>

                <FrameLayout
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:clipChildren="false"
                    android:clipToPadding="false">

                    <include layout="@layout/conversation_input_panel" />

                    <include layout="@layout/conversation_search_nav" />

                </FrameLayout>

            </LinearLayout>

            <Button
                android:id="@+id/register_button"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:padding="20dp"
                android:text="@string/conversation_activity__enable_signal_messages"
                android:visibility="gone" />

            <Button
                android:id="@+id/unblock_button"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:padding="20dp"
                android:text="@string/ConversationActivity_unblock"
                android:visibility="gone" />

            <Button
                android:id="@+id/make_default_sms_button"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:padding="20dp"
                android:text="@string/conversation_activity__enable_signal_for_sms"
                android:visibility="gone" />

            <TextView
                android:id="@+id/space_left"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:background="?android:windowBackground"
                android:paddingStart="5dip"
                android:text="160/160 (1)"
                android:visibility="gone" />

            <ViewStub
                android:id="@+id/emoji_drawer_stub"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:inflatedId="@+id/emoji_drawer"
                android:layout="@layout/conversation_activity_emojidrawer_stub" />

        </LinearLayout>

    </org.thoughtcrime.securesms.components.InputAwareLayout>

</FrameLayout>