Tusky-App-Android/app/src/main/res/layout/activity_compose.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/activity_compose"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

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

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:layout_marginBottom="8dp"
            android:background="@android:color/transparent"
            android:elevation="4dp" />

        <LinearLayout
            android:id="@+id/compose_content_warning_bar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            android:layout_marginBottom="8dp">

            <EditText
                android:id="@+id/field_content_warning"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="@android:color/transparent"
                android:ems="10"
                android:maxLines="1"
                android:paddingLeft="16dp"
                android:paddingRight="16dp"
                android:hint="@string/hint_content_warning"
                android:inputType="text|textCapSentences" />

            <View
                android:layout_marginTop="8dp"
                android:layout_width="match_parent"
                android:layout_height="1dp"
                android:background="?android:attr/listDivider"/>
        </LinearLayout>

        <RelativeLayout
            android:id="@+id/compose_edit_area"
            android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="1"
            android:paddingBottom="4dp"
            android:paddingLeft="16dp"
            android:paddingRight="16dp">

            <!--An special EditText is created at runtime here, because it has to be a modified
             * anonymous class to support image/GIF picking from the soft keyboard.-->

            <HorizontalScrollView
                android:layout_alignParentBottom="true"
                android:layout_width="match_parent"
                android:layout_height="wrap_content">
                <LinearLayout
                    android:id="@+id/compose_media_preview_bar"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:orientation="horizontal">

                    <!--This is filled at runtime with ImageView's for each preview in the upload queue.-->

                </LinearLayout>
            </HorizontalScrollView>

        </RelativeLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center_vertical"
            android:paddingBottom="8dp"
            android:paddingLeft="16dp"
            android:paddingRight="16dp"
            android:paddingTop="4dp">

            <ImageButton
                android:id="@+id/compose_photo_pick"
                style="?attr/image_button_style"
                android:layout_width="32dp"
                android:layout_height="32dp"
                android:layout_marginRight="8dp"
                app:srcCompat="@drawable/ic_attach_file_24dp" />

            <ImageButton
                android:id="@+id/action_toggle_visibility"
                style="?attr/image_button_style"
                android:layout_width="32dp"
                android:layout_height="32dp"
                android:layout_marginRight="8dp"
                app:srcCompat="@drawable/ic_public_24dp" />

            <Button
                android:id="@+id/action_toggle_nsfw"
                style="?attr/image_button_style"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:minWidth="0dp"
                android:paddingLeft="8dp"
                android:paddingRight="8dp"
                android:visibility="gone"
                android:textColor="?attr/compose_nsfw_button_color"
                android:text="@string/toggle_nsfw" />

            <android.support.v4.widget.Space
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_weight="1" />

            <TextView
                android:id="@+id/characters_left"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="500"
                android:textColor="?android:textColorPrimary" />

            <Button
                android:id="@+id/floating_btn"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="10dp"
                android:text="@string/action_send" />
        </LinearLayout>
    </LinearLayout>


</android.support.design.widget.CoordinatorLayout>