Quelle  fragment_wizard2.xml

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@android:color/transparent">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_horizontal"
        android:orientation="vertical">

        <TextView
            android:id="@+id/scooter"
            style="@style/WizardSubTitleText"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/wizard_paragraph_height"
            android:gravity="center_horizontal"
            android:text="@string/new_wizard_nickname_explain" />

        <androidx.constraintlayout.widget.ConstraintLayout
            android:id="@+id/wizard_edit1_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/wizard_paragraph_height"
            android:orientation="horizontal">

            <ImageView
                android:id="@+id/icon"
                style="@style/WizardEditTextIcon"
                android:layout_width="0dp"
                android:layout_height="0dp"
                app:layout_constraintBottom_toBottomOf="@id/wizard_edit1"
                app:layout_constraintDimensionRatio="1"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="@+id/wizard_edit1"
                app:srcCompat="@drawable/ic_person_outline" />

            <ch.threema.app.emojis.EmojiEditText
                android:id="@+id/wizard_edit1"
                style="@style/WizardEditText"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:hint="@string/new_wizard_hint_enter_nickname"
                android:imeOptions="actionGo"
                android:inputType="textNoSuggestions"
                android:minHeight="@dimen/wizard_default_view_height"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toEndOf="@+id/icon"
                app:layout_constraintTop_toTopOf="parent" />

        </androidx.constraintlayout.widget.ConstraintLayout>

        <TextView
            android:id="@+id/disabled_by_policy"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/grid_unit_x2"
            android:gravity="center_horizontal"
            android:text="@string/disabled_by_policy"
            android:textSize="14sp"
            android:visibility="gone"
            tools:visibility="visible" />

    </LinearLayout>

</ScrollView>