Yuito-app-android/app/src/main/res/layout/activity_login.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="16dp"
    tools:context="com.keylesspalace.tusky.LoginActivity">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:orientation="vertical"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:gravity="center">

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

            <android.support.design.widget.TextInputLayout
                android:layout_height="match_parent"
                android:layout_width="wrap_content">
                <EditText
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:inputType="textUri"
                    android:hint="@string/hint_domain"
                    android:ems="10"
                    android:id="@+id/edit_text_domain" />
            </android.support.design.widget.TextInputLayout>

            <Button
                android:id="@+id/button_login"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="4dp"
                android:elevation="0dp"
                android:text="@string/action_login" />

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:visibility="gone"
                android:id="@+id/text_error" />

            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:textAlignment="center"
                android:id="@+id/no_account"
                android:text="@string/link_no_account" />

        </LinearLayout>

    </RelativeLayout>

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