sdk/platforms/android-27/data/res/layout/input_method_extract_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
/* //device/apps/common/res/layout/alert_dialog.xml
**
** Copyright 2006, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
**     http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
-->

<android.inputmethodservice.ExtractEditLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="horizontal">

    <android.inputmethodservice.ExtractEditText
            android:id="@+id/inputExtractEditText"
            android:layout_width="0px"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:scrollbars="vertical"
            android:gravity="top"
            android:minLines="1"
            android:inputType="text">
    </android.inputmethodservice.ExtractEditText>

    <FrameLayout
            android:id="@+id/inputExtractAccessories"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:paddingStart="8dip"
            android:paddingEnd="8dip">

        <android.inputmethodservice.ExtractButton
            android:id="@+id/inputExtractAction"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"/>
    </FrameLayout>

</android.inputmethodservice.ExtractEditLayout>