session-android/res/layout/scribble_hud.xml

<?xml version="1.0" encoding="utf-8"?>
<merge
    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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:parentTag="android.widget.LinearLayout"
    tools:background="@color/core_grey_60">

    <android.support.constraint.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:animateLayoutChanges="true">

        <ImageView
            android:id="@+id/scribble_save_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="top|left|start"
            android:background="?attr/selectableItemBackgroundBorderless"
            android:padding="12dp"
            android:src="@drawable/ic_scribble_save"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <LinearLayout
            android:id="@+id/scribble_toolbar"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentEnd="true"
            android:layout_alignParentRight="true"
            android:layout_gravity="top|right|end"
            android:layout_marginTop="8dp"
            android:layout_marginEnd="10dp"
            android:layout_marginRight="10dp"
            android:animateLayoutChanges="true"
            android:orientation="horizontal"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent">

            <ImageView
                android:id="@+id/scribble_delete_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:padding="8dp"
                android:src="@drawable/ic_trash_outline_36" />

            <ImageView
                android:id="@+id/scribble_undo_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:padding="8dp"
                android:src="@drawable/ic_undo_36" />

            <ImageView
                android:id="@+id/scribble_text_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:padding="8dp"
                android:src="@drawable/ic_text_36" />

            <ImageView
                android:id="@+id/scribble_draw_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:padding="8dp"
                android:src="@drawable/ic_marker_36" />

            <ImageView
                android:id="@+id/scribble_confirm_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackgroundBorderless"
                android:padding="8dp"
                android:src="@drawable/ic_check_circle_filled_36" />

        </LinearLayout>

        <org.thoughtcrime.securesms.scribbles.widget.VerticalSlideColorPicker
            android:id="@+id/scribble_color_picker"
            android:layout_width="32dp"
            android:layout_height="250dp"
            android:layout_below="@id/scribble_toolbar"
            android:layout_gravity="center_horizontal"
            android:layout_marginTop="32dp"
            android:layout_marginEnd="10dp"
            android:layout_marginRight="10dp"
            app:layout_constraintEnd_toEndOf="@+id/scribble_toolbar"
            app:layout_constraintTop_toBottomOf="@+id/scribble_toolbar"
            app:pickerBorderColor="@color/white"
            app:pickerBorderWidth="3dp"
            app:pickerColors="@array/scribble_colors" />

        <android.support.v7.widget.RecyclerView
            android:id="@+id/scribble_color_palette"
            android:layout_width="wrap_content"
            android:layout_height="0dp"
            android:layout_below="@id/scribble_color_picker"
            android:layout_alignEnd="@id/scribble_color_picker"
            android:layout_alignRight="@id/scribble_color_picker"
            android:layout_gravity="center_horizontal"
            android:layout_marginBottom="8dp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="@+id/scribble_color_picker"
            app:layout_constraintTop_toBottomOf="@+id/scribble_color_picker"
            app:layout_constraintVertical_bias="0.0" />

    </android.support.constraint.ConstraintLayout>

    <LinearLayout
        android:id="@+id/scribble_compose_container"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="6dp"
        android:paddingLeft="10dp"
        android:paddingRight="10dp"
        android:paddingBottom="6dp"
        android:visibility="gone"
        tools:visibility="visible">

        <LinearLayout
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:paddingLeft="10dp"
            android:paddingStart="10dp"
            android:orientation="horizontal"
            android:background="@drawable/compose_background_camera">

            <org.thoughtcrime.securesms.components.emoji.EmojiToggle
                android:id="@+id/scribble_emoji_toggle"
                android:layout_width="wrap_content"
                android:layout_height="@dimen/conversation_compose_height"
                android:layout_gravity="bottom"
                android:paddingLeft="4dp"
                android:paddingStart="4dp"
                android:paddingRight="6dp"
                android:paddingEnd="6dp"
                android:background="?selectableItemBackgroundBorderless"
                android:contentDescription="@string/conversation_activity__emoji_toggle_description" />

            <Space
                android:layout_width="0dp"
                android:layout_height="@dimen/conversation_compose_height" />

            <org.thoughtcrime.securesms.components.ComposeText
                style="@style/ComposeEditText"
                android:id="@+id/scribble_compose_text"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center_vertical"
                android:layout_weight="1"
                android:nextFocusForward="@+id/send_button"
                android:nextFocusRight="@+id/send_button"
                tools:visibility="invisible"
                tools:hint="Send TextSecure message" />

        </LinearLayout>

        <FrameLayout
            android:id="@+id/scribble_send_button_bkg"
            android:layout_width="@dimen/conversation_compose_height"
            android:layout_height="@dimen/conversation_compose_height"
            android:layout_marginLeft="12dp"
            android:layout_marginStart="12dp"
            android:layout_gravity="bottom"
            android:background="@drawable/circle_tintable"
            tools:backgroundTint="@color/core_blue">

            <org.thoughtcrime.securesms.components.SendButton
                android:id="@+id/scribble_send_button"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:paddingTop="6dp"
                android:paddingRight="6dp"
                android:paddingBottom="6dp"
                android:paddingLeft="11dp"
                android:scaleType="fitCenter"
                android:contentDescription="@string/conversation_activity__send"
                android:src="?conversation_transport_sms_indicator"
                android:background="@drawable/circle_touch_highlight_background" />

        </FrameLayout>

    </LinearLayout>

    <TextView
        android:id="@+id/scribble_characters_left"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="6dp"
        android:layout_marginLeft="10dp"
        android:layout_marginRight="10dp"
        android:paddingBottom="6dp"
        android:visibility="gone"
        tools:visibility="visible"
        tools:text="160/160 (1)" />

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

</merge>