wulkanowy-mod/app/src/main/res/layout/activity_login.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:id="@+id/coordinatorLayout"
    tools:context="io.github.wulkanowy.activity.login.LoginActivity"
    >

    <!-- Login progress -->
    <RelativeLayout
        android:id="@+id/login_progress"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_alignParentTop="true"
        android:layout_marginTop="178dp"
        android:gravity="center_horizontal"
        android:visibility="gone">

        <ProgressBar
            android:id="@+id/login_progress_horizontal"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentTop="true"
            android:layout_centerHorizontal="true"
            android:layout_marginTop="91dp"
            android:indeterminate="true"
            android:minHeight="30dp"
            android:minWidth="220dp" />

        <TextView
            android:id="@+id/login_progress_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignBottom="@+id/login_progress_horizontal"
            android:layout_centerHorizontal="true"
            android:layout_marginBottom="42dp" />
    </RelativeLayout>

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

        <LinearLayout
            android:id="@+id/email_login_form"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            >

            <TextView
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:text="@string/login_heading"
                android:layout_marginBottom="24dp"
                />

            <android.support.design.widget.TextInputLayout
                android:id="@+id/to_email_input_layout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="12dp"
                >

                <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:importantForAutofill="noExcludeDescendants"
                    />

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

            <android.support.design.widget.TextInputLayout
                android:id="@+id/to_password_input_layout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                >

                <EditText
                    android:id="@+id/password"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="@string/prompt_password"
                    android:inputType="textPassword"
                    android:maxLines="1"
                    android:imeActionLabel="@string/action_sign_in"
                    android:imeOptions="actionDone"
                    android:fontFamily="sans-serif"
                    android:importantForAutofill="noExcludeDescendants"
                    />

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

            <android.support.design.widget.TextInputLayout
                android:id="@+id/to_symbol_input_layout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:visibility="gone"
                >

                <AutoCompleteTextView
                    android:id="@+id/symbol"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:hint="@string/prompt_symbol"
                    android:inputType="textAutoComplete"
                    android:maxLines="1"
                    android:imeActionLabel="@string/action_sign_in"
                    android:imeOptions="actionDone"
                    android:importantForAutofill="noExcludeDescendants"
                    />

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

            <Button
                android:id="@+id/action_sign_in"
                style="?android:textAppearanceSmall"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="16dp"
                android:layout_marginBottom="24dp"
                android:text="@string/action_sign_in"
                android:textStyle="bold"
                />

            <TextView
                android:id="@+id/action_create_account"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/action_create_account"
                android:layout_marginBottom="24dp"
                />

            <TextView
                android:id="@+id/action_forgot_password"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="@string/action_forgot_password"
                />

        </LinearLayout>
    </ScrollView>
</RelativeLayout>