fedilab-Android-App/app/src/main/res/layout/activity_login.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
    Copyright 2017 Thomas Schneider

    This file is a part of Mastalab

    This program is free software; you can redistribute it and/or modify it under the terms of the
    GNU General Public License as published by the Free Software Foundation; either version 3 of the
    License, or (at your option) any later version.

    Mastalab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
    the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
    Public License for more details.

    You should have received a copy of the GNU General Public License along with Mastalab; if not,
    see <http://www.gnu.org/licenses>.
-->
<ScrollView android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:tools="http://schemas.android.com/tools"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:id="@+id/drawer_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        >
        <ImageView
            android:layout_marginTop="20dp"
            android:layout_width="150dp"
            android:layout_gravity="center_horizontal"
            android:src="@drawable/mastodonlogo"
            android:layout_height="150dp"
            tools:ignore="ContentDescription" />
        <LinearLayout
            android:layout_width="match_parent"
            android:layout_margin="50dp"
            android:layout_gravity="center"
            android:gravity="center"
            android:orientation="vertical"
            android:layout_height="wrap_content">
            <android.support.design.widget.TextInputLayout
                android:id="@+id/login_instance_layout"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                app:errorEnabled="true">
                <AutoCompleteTextView
                    android:id="@+id/login_instance"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:imeOptions="actionNext"
                    android:inputType="textWebEmailAddress"
                    android:maxLines="1"
                    android:hint="@string/instance_example"
                />
            </android.support.design.widget.TextInputLayout>
            <EditText
                android:id="@+id/login_uid"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:maxLines="1"
                android:inputType="textEmailAddress"
                android:hint="@string/email"
                />
            <EditText
                android:id = "@+id/login_passwd"
                android:inputType="textPassword"
                android:hint="@string/password"
                android:maxLines="1"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                />

            <TextView
                android:layout_gravity="center"
                android:layout_marginTop="10dp"
                android:id="@+id/login_issue"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content" />
            <Button
                android:id="@+id/login_button"
                android:textAllCaps="false"
                android:drawableLeft="@drawable/mastodon_icon"
                android:drawableStart="@drawable/mastodon_icon"
                android:gravity="center"
                android:layout_marginTop="20dp"
                android:drawablePadding="10dp"
                android:paddingLeft="15dp"
                android:paddingStart="15dp"
                android:paddingRight="20dp"
                android:paddingEnd="20dp"
                android:paddingTop="12dp"
                android:paddingBottom="12dp"
                android:maxLines="1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textSize="20sp"
                android:text="@string/login" />
            <TextView
                android:id="@+id/login_two_step"
                android:textAllCaps="false"
                android:gravity="center"
                android:drawablePadding="10dp"
                android:padding="20dp"
                android:layout_gravity="center"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:textColor="?attr/colorAccent"
                android:text="@string/two_factor_authentification" />

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