activity_password.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingBottom="@dimen/margin_activity_vertical"
    android:paddingEnd="@dimen/margin_activity_horizontal"
    android:paddingStart="@dimen/margin_activity_horizontal"
    android:paddingTop="@dimen/margin_activity_vertical">

    <TextView
        android:id="@+id/title_password"
        style="@style/BriarTextTitle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:padding="@dimen/margin_large"
        android:text="@string/enter_password" />

    <EditText
        android:id="@+id/edit_password"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/title_password"
        android:hint="@string/password_hint"
        android:imeOptions="actionDone"
        android:inputType="textPassword"
        android:lines="1"
        android:maxLines="1" />

    <Button
        android:id="@+id/btn_sign_in"
        style="@style/BriarButton.Default"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@id/edit_password"
        android:layout_marginTop="@dimen/margin_xlarge"
        android:onClick="onSignInClick"
        android:text="@string/sign_in_button" />

    <ProgressBar
        android:id="@+id/progress_wheel"
        style="?android:attr/progressBarStyleInverse"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignTop="@id/btn_sign_in"
        android:layout_alignBottom="@id/btn_sign_in"
        android:gravity="center"
        android:visibility="invisible" />

    <TextView
        style="@style/BriarTextBody"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/btn_sign_in"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="@dimen/margin_large"
        android:clickable="true"
        android:onClick="onForgottenPasswordClick"
        android:text="@string/forgotten_password"
        android:textColor="?android:attr/textColorLink" />

</RelativeLayout>