Quelle  dialog_new_contact.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="match_parent"
    android:layout_height="wrap_content"
    android:background="@android:color/transparent"
    android:clipToPadding="false"
    android:paddingHorizontal="@dimen/grid_unit_x3"
    android:paddingTop="@dimen/dialog_margin_below_title">

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

        <TextView
            android:id="@+id/message"
            style="@style/Threema.MaterialAlertDialog.Body.Style"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/add_contact_enter_id_hint" />

        <com.google.android.material.textfield.TextInputLayout
            android:id="@+id/text_input_layout"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/grid_unit_x2"
            app:endIconMode="clear_text">

            <ch.threema.app.emojis.EmojiEditText
                android:id="@+id/edit_text"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:singleLine="true">

                <requestFocus />
            </ch.threema.app.emojis.EmojiEditText>

        </com.google.android.material.textfield.TextInputLayout>

        <com.google.android.material.button.MaterialButton
            android:id="@+id/scan_button"
            style="@style/Threema.MaterialButton.Outlined.Primary"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginTop="@dimen/grid_unit_x1"
            android:paddingHorizontal="@dimen/grid_unit_x2"
            android:text="@string/scan_id"
            app:icon="@drawable/ic_qr_code_scan"
            app:iconPadding="@dimen/grid_unit_x1_5" />

    </LinearLayout>

</ScrollView>