Abit/app/src/main/res/layout/fragment_compose_message.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    android:orientation="vertical">

    <android.support.design.widget.TextInputLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="4dp">

        <AutoCompleteTextView
            android:id="@+id/recipient"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="@string/to"
            android:inputType="textNoSuggestions"
            android:singleLine="true" />

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

    <android.support.design.widget.TextInputLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <EditText
            android:id="@+id/subject"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:hint="@string/subject"
            android:inputType="textEmailSubject"
            android:textAppearance="?android:attr/textAppearanceLarge" />

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

    <EditText
        android:id="@+id/body"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"
        android:hint="@string/compose_body_hint"
        android:inputType="textMultiLine|textCapSentences"
        android:gravity="top"
        android:isScrollContainer="true" />

</LinearLayout>