activity_login.xml

<merge xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    tools:context=".LoginActivity" >

    <!-- Login progress -->

    <LinearLayout
        android:id="@+id/login_status"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:gravity="center_horizontal"
        android:orientation="vertical"
        android:visibility="gone" >

        <ProgressBar
            style="?android:attr/progressBarStyleLarge"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="8dp" />

        <TextView
            android:id="@+id/login_status_message"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="16dp"
            android:fontFamily="sans-serif-light"
            android:text="@string/login_progress_signing_in"
            android:textAppearance="?android:attr/textAppearanceMedium" />
    </LinearLayout>

    <!-- Login form -->

    <ScrollView
        android:id="@+id/login_form"
        android:layout_width="match_parent"
        android:layout_height="match_parent" >

        <LinearLayout
            style="@style/LoginFormContainer"
            android:orientation="vertical" >

            <EditText
                android:id="@+id/email"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="@string/prompt_email"
                android:inputType="textEmailAddress"
                android:maxLines="1"
                android:singleLine="true" />

            <EditText
                android:id="@+id/password"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:hint="@string/prompt_password"
                android:imeActionId="@+id/login"
                android:imeActionLabel="@string/action_sign_in_short"
                android:imeOptions="actionUnspecified"
                android:inputType="textPassword"
                android:maxLines="1"
                android:singleLine="true" />

            <Button
                android:id="@+id/sign_in_button"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="right"
                android:layout_marginTop="16dp"
                android:paddingLeft="32dp"
                android:paddingRight="32dp"
                android:text="@string/action_sign_in_register" />
        </LinearLayout>
    </ScrollView>

</merge>

fragment_file_list.xml

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

    <LinearLayout
        android:id="@+id/sd_not_available_page"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:gravity="center"
        android:orientation="vertical"
        android:visibility="gone" >

        <ImageView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/sd_not_available" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/enable_sd_card"
            android:textSize="22sp" />
    </LinearLayout>

    <LinearLayout
        android:id="@+id/sd_available_page"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:orientation="vertical" >

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content" 
            style="?android:attr/buttonBarStyle">

            <Spinner
                android:id="@+id/directories"
                android:layout_width="0dip"
                android:layout_height="wrap_content"
                android:layout_weight="1" />

            <Button
                android:id="@+id/cd_up"
                style="?android:attr/buttonBarButtonStyle"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="UP" />
        </LinearLayout>

        <View
            android:layout_width="match_parent"
            android:layout_height="1dip"
            android:background="?android:attr/dividerHorizontal" />

        <FrameLayout
            android:layout_width="match_parent"
            android:layout_height="fill_parent" >

            <LinearLayout
                android:id="@+id/progressContainer"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:gravity="center"
                android:orientation="vertical"
                android:visibility="gone" >

                <ProgressBar
                    style="?android:attr/progressBarStyleLarge"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content" />

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:paddingTop="4dip"
                    android:singleLine="true"
                    android:text="@string/loading"
                    android:textAppearance="?android:attr/textAppearanceSmall" />
            </LinearLayout>

            <FrameLayout
                android:id="@+id/listContainer"
                android:layout_width="match_parent"
                android:layout_height="match_parent" >

                <ListView
                    android:id="@+id/list"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:drawSelectorOnTop="false" 
                    android:headerDividersEnabled="true"
                    android:footerDividersEnabled="true"/>

                <TextView
                    android:id="@+id/empty"
                    android:layout_width="match_parent"
                    android:layout_height="match_parent"
                    android:gravity="center"
                    android:text="No items!"
                    android:textAppearance="?android:attr/textAppearanceLarge" />
            </FrameLayout>
        </FrameLayout>
    </LinearLayout>

</FrameLayout>