ring-android/app/src/main/res/layout/frag_conversation.xml

<?xml version="1.0" encoding="utf-8"?>
<layout 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">

    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".client.ConversationActivity">

        <RelativeLayout
            android:id="@+id/conversationLayout"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@color/background"
            android:clipToPadding="false"
            android:paddingTop="?attr/actionBarSize">

            <LinearLayout
                android:id="@+id/trustRequestMessageLayout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_alignParentTop="true"
                android:orientation="vertical"
                android:visibility="visible">

                <TextView
                    android:id="@+id/tvTrustRequestMessage"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:background="@color/surface"
                    android:textColor="@color/textColorPrimary"
                    android:gravity="center"
                    android:padding="30dp"
                    tools:text="Jean is not in your contacts yet" />

                <View
                    android:layout_width="match_parent"
                    android:layout_height="1dp"
                    android:background="@color/lighter_gray" />

            </LinearLayout>

            <LinearLayout
                android:id="@+id/ongoingcall_pane"
                android:layout_width="match_parent"
                android:layout_height="48dp"
                android:background="#e3c1c1"
                android:gravity="center"
                android:onClick="@{() -> presenter.onClick()}"
                android:visibility="gone">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_margin="10dp"
                    android:text="@string/conversation_action_go_to_call"
                    android:textAppearance="?android:attr/textAppearanceMedium"
                    android:textColor="@color/textColorPrimary" />
            </LinearLayout>

            <ProgressBar
                android:id="@+id/pb_loading"
                android:layout_width="64dp"
                android:layout_height="64dp"
                android:layout_centerInParent="true"
                android:indeterminate="true" />

            <androidx.recyclerview.widget.RecyclerView
                android:id="@+id/hist_list"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_below="@+id/trustRequestMessageLayout"
                android:layout_alignParentStart="true"
                android:layout_alignParentEnd="true"
                android:layout_alignParentBottom="true"
                android:clipToPadding="false"
                android:divider="@null"
                android:listSelector="@color/transparent"
                android:paddingTop="8dp"
                android:paddingBottom="60dp"
                android:transcriptMode="normal"
                app:layoutManager="LinearLayoutManager"
                app:stackFromEnd="true"
                tools:listitem="@layout/item_conv_msg_peer" />

        </RelativeLayout>

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:clipToPadding="false"
            android:fitsSystemWindows="true">

            <androidx.cardview.widget.CardView
                android:id="@+id/unknownContactPrompt"
                style="?android:attr/buttonBarStyle"
                android:layout_width="match_parent"
                android:layout_height="42dp"
                android:layout_alignParentBottom="true"
                android:layout_marginLeft="8dp"
                android:layout_marginRight="8dp"
                android:layout_marginBottom="12dp"
                android:padding="0dp"
                android:visibility="gone"
                app:cardBackgroundColor="#4CAF50"
                app:cardCornerRadius="@dimen/conversation_message_input_radius">

                <Button
                    android:id="@+id/btnAddContact"
                    style="@style/Widget.MaterialComponents.Button.TextButton"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_margin="0dp"
                    android:background="?attr/selectableItemBackground"
                    android:gravity="center"
                    android:onClick="@{() -> presenter.addContact()}"
                    android:padding="0dp"
                    android:text="@string/ab_action_contact_add"
                    android:textColor="@color/white" />
            </androidx.cardview.widget.CardView>

            <androidx.cardview.widget.CardView
                android:id="@+id/trustRequestPrompt"
                style="?android:attr/buttonBarStyle"
                android:layout_width="match_parent"
                android:layout_height="42dp"
                android:layout_alignParentBottom="true"
                android:layout_marginLeft="8dp"
                android:layout_marginRight="8dp"
                android:layout_marginBottom="12dp"
                android:padding="0dp"
                android:visibility="gone"
                app:cardCornerRadius="@dimen/conversation_message_input_radius">

                <LinearLayout
                    style="?android:attr/buttonBarStyle"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:layout_margin="0dp"
                    android:orientation="horizontal"
                    android:padding="0dp"
                    android:weightSum="3">

                    <Button
                        android:id="@+id/btnBlock"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:layout_weight="1"
                        android:background="?attr/selectableItemBackground"
                        android:gravity="center"
                        android:onClick="@{() -> presenter.blockContactRequest()}"
                        android:text="@string/block"
                        android:textColor="@color/color_primary_dark" />

                    <Button
                        android:id="@+id/btnRefuse"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:layout_weight="1"
                        android:background="?attr/selectableItemBackground"
                        android:gravity="center"
                        android:onClick="@{() -> presenter.refuseContactRequest()}"
                        android:text="@string/refuse"
                        android:textColor="@color/color_primary_dark" />

                    <Button
                        android:id="@+id/btnAccept"
                        style="@style/Widget.MaterialComponents.Button.TextButton"
                        android:layout_width="0dp"
                        android:layout_height="match_parent"
                        android:layout_weight="1"
                        android:background="?attr/selectableItemBackground"
                        android:gravity="center"
                        android:onClick="@{() -> presenter.acceptContactRequest()}"
                        android:text="@string/accept"
                        android:textColor="#4CAF50" />
                </LinearLayout>
            </androidx.cardview.widget.CardView>

            <androidx.cardview.widget.CardView
                android:id="@+id/cvMessageInput"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_alignParentBottom="true"
                android:layout_marginLeft="8dp"
                android:layout_marginRight="8dp"
                android:layout_marginBottom="8dp"
                android:visibility="gone"
                app:cardCornerRadius="@dimen/conversation_message_input_radius"
                app:cardElevation="4dp"
                tools:visibility="visible">

                <LinearLayout
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center"
                    android:orientation="horizontal"
                    android:paddingStart="4dp">

	                <ImageButton
	                    android:id="@+id/btn_menu"
	                    android:layout_width="wrap_content"
	                    android:layout_height="match_parent"
	                    android:background="?selectableItemBackgroundBorderless"
	                    android:contentDescription="@string/share_label"
	                    android:onClick="@{v -> presenter.expandMenu(v)}"
	                    android:padding="8dp"
	                    android:tint="@android:color/darker_gray"
	                    app:srcCompat="@drawable/baseline_expand_less_24" />

                    <ImageButton
                        android:id="@+id/btn_take_picture"
                        android:layout_width="wrap_content"
                        android:layout_height="match_parent"
                        android:layout_marginEnd="5dp"
                        android:background="?selectableItemBackgroundBorderless"
                        android:contentDescription="@string/take_a_photo"
                        android:onClick="@{() -> presenter.takePicture()}"
                        android:padding="8dp"
                        android:tint="@android:color/darker_gray"
                        app:srcCompat="@drawable/baseline_photo_camera_24" />

                    <ProgressBar
                        android:id="@+id/pb_data_transfer"
                        android:layout_width="30dp"
                        android:layout_height="30dp"
                        android:indeterminate="true"
                        android:visibility="gone" />

                    <Spinner
                        android:id="@+id/number_selector"
                        android:layout_width="wrap_content"
                        android:layout_height="match_parent"
                        android:visibility="gone"
                        tools:listitem="@layout/item_number_selected" />

                    <cx.ring.views.MessageEditText
                        android:id="@+id/msg_input_txt"
                        android:layout_width="0dp"
                        android:layout_height="wrap_content"
                        android:layout_weight="1"
                        android:background="@null"
                        android:hint="@string/write_a_message"
                        android:imeOptions="actionSend|flagNoExtractUi"
                        android:importantForAutofill="no"
                        android:inputType="textShortMessage|textImeMultiLine|text|textMultiLine|textCapSentences"
                        android:maxLines="5"
                        android:padding="8dp" />

                    <TextView
                        android:id="@+id/emoji_send"
                        style="?attr/borderlessButtonStyle"
                        android:layout_width="50dp"
                        android:layout_height="match_parent"
                        android:background="?selectableItemBackgroundBorderless"
                        android:onClick="@{() -> presenter.sendEmoji()}"
                        android:padding="0dp"
                        android:text="@string/conversation_default_emoji"
                        android:textSize="18sp" />

                    <ImageButton
                        android:id="@+id/msg_send"
                        android:layout_width="wrap_content"
                        android:layout_height="match_parent"
                        android:background="?selectableItemBackgroundBorderless"
                        android:contentDescription="@string/send_message"
                        android:onClick="@{() -> presenter.sendMessageText()}"
                        android:padding="8dp"
                        android:tint="@android:color/darker_gray"
                        android:visibility="gone"
                        app:srcCompat="@drawable/baseline_send_24" />

                </LinearLayout>
            </androidx.cardview.widget.CardView>
        </RelativeLayout>

    </FrameLayout>

    <data>
        <variable
            name="presenter"
            type="cx.ring.fragments.ConversationFragment" />
    </data>
</layout>