Signal-Android/res/layout/conversation_activity.xml

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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="?conversation_background"
    android:orientation="vertical">

    <RelativeLayout
            android:id="@+id/layout_container"
            android:layout_width="fill_parent"
            android:layout_height="fill_parent"
            android:layout_weight="1"
            android:orientation="vertical"
            android:gravity="bottom">

        <fragment
                android:id="@+id/fragment_content"
                android:name="org.thoughtcrime.securesms.ConversationFragment"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_above="@+id/bottom_container" />

        <LinearLayout
                android:layout_alignParentBottom="true"
                android:id="@id/bottom_container"
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:orientation="vertical">

            <ScrollView android:layout_width="fill_parent"
                        android:layout_height="0dp"
                        android:layout_weight="1">
                <LinearLayout
                        android:id="@+id/attachment_editor"
                        android:layout_width="fill_parent"
                        android:layout_height="wrap_content"
                        android:orientation="horizontal"
                        android:visibility="gone">

                    <ImageView
                            android:id="@+id/attachment_thumbnail"
                            android:layout_width="0dp"
                            android:layout_height="150dip"
                            android:layout_weight="1"
                            android:contentDescription="@string/conversation_activity__attachment_thumbnail"/>

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

                        <Button
                                android:id="@+id/remove_image_button"
                                style="?android:attr/buttonStyleSmall"
                                android:layout_width="100dip"
                                android:layout_height="50dip"
                                android:text="@string/conversation_activity__remove" />

                    </LinearLayout>
               </LinearLayout>
            </ScrollView>

            <LinearLayout
                    android:id="@+id/bottom_panel"
                    android:layout_width="fill_parent"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal"
                    android:background="?conversation_editor_background">

                <org.thoughtcrime.securesms.components.EmojiToggle
                        android:id="@+id/emoji_toggle"
                        android:layout_width="wrap_content"
                        android:layout_height="fill_parent"
                        android:layout_gravity="center_vertical"
                        android:background="@drawable/touch_highlight_background"
                        android:contentDescription="@string/conversation_activity__emoji_toggle_description"
                        android:padding="10dp"/>

                <org.thoughtcrime.securesms.components.ComposeText
                        android:id="@+id/embedded_text_editor"
                        android:layout_width="0dp"
                        android:layout_height="wrap_content"
                        android:layout_weight="1.0"
                        android:autoText="true"
                        android:capitalize="sentences"
                        android:background="@drawable/compose_background"
                        android:paddingTop="12dp"
                        android:paddingBottom="12dp"
                        android:paddingRight="0dp"
                        android:paddingLeft="0dp"
                        android:imeOptions="actionSend|flagNoEnterAction|flagNoExtractUi"
                        android:inputType="textAutoCorrect|textCapSentences"
                        android:maxLength="2000"
                        android:maxLines="4"
                        android:nextFocusForward="@+id/send_button"
                        android:nextFocusRight="@+id/send_button"
                        android:contentDescription="@string/conversation_activity__compose_description"
                        android:textColor="?conversation_editor_text_color" />

                <org.thoughtcrime.securesms.components.SendButton
                    android:id="@+id/send_button"
                    android:layout_width="wrap_content"
                    android:layout_height="fill_parent"
                    android:layout_gravity="center_vertical"
                    android:background="@drawable/touch_highlight_background"
                    android:contentDescription="@string/conversation_activity__send"
                    android:nextFocusLeft="@+id/embedded_text_editor"
                    android:padding="12dp"
                    android:src="?conversation_transport_sms_indicator"
                    android:focusable="true"
                    android:clickable="false"
                    android:enabled="false" />

            </LinearLayout>

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

        </LinearLayout>
    </RelativeLayout>

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

</LinearLayout>