Quelle  dialog_wizard.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"
    android:id="@+id/scroll_container"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@android:color/transparent"
    android:gravity="center">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:orientation="vertical"
        android:padding="16dp">

        <TextView
            android:id="@+id/wizard_dialog_title"
            style="@style/WizardSmallText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:gravity="start"
            android:text="@string/new_wizard_use_id_as_nickname"
            android:textAppearance="@style/Threema.TextAppearance.Dialog.Body" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="16dp"
            android:orientation="horizontal">

            <ch.threema.app.activities.wizard.components.WizardButtonXml
                android:id="@+id/wizard_no_compose"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginRight="4dp"
                android:layout_weight="1"
                app:wizardButton_style="wizardButton_inverse" />

            <ch.threema.app.activities.wizard.components.WizardButtonXml
                android:id="@+id/wizard_yes_compose"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="4dp"
                android:layout_weight="1" />

        </LinearLayout>

    </LinearLayout>

</ScrollView>