nextcloud-talk-android/app/src/main/res/layout/search_layout.xml

<?xml version="1.0" encoding="utf-8"?><!--
  ~ /*
  ~  * Nextcloud Talk application
  ~  *
  ~  * @author Mario Danic
  ~  * @author Andy Scherzinger
  ~  * Copyright (C) 2021 Andy Scherzinger <info@andy-scherzinger.de>
  ~  * Copyright (C) 2017-2020 Mario Danic <mario@lovelyhq.com>
  ~  *
  ~  * 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.
  ~  *
  ~  * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
  ~  */
  -->

<merge 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="wrap_content">

    <com.google.android.material.card.MaterialCardView
        android:id="@+id/home_toolbar"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:layout_marginStart="16dp"
        android:layout_marginTop="5dp"
        android:layout_marginEnd="16dp"
        android:layout_marginBottom="1dp"
        android:visibility="gone"
        app:cardCornerRadius="8dp"
        app:cardElevation="2dp"
        app:strokeWidth="0dp"
        tools:visibility="visible">

        <androidx.constraintlayout.widget.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <com.google.android.material.button.MaterialButton
                android:id="@+id/menu_button"
                style="@style/Widget.AppTheme.Button.IconButton"
                android:layout_width="3dp"
                android:layout_height="1dp"
                android:layout_marginStart="5dp"
                android:contentDescription="@string/nc_action_open_main_menu"
                android:visibility="gone"
                app:cornerRadius="@dimen/button_corner_radius"
                app:icon="@drawable/ic_menu"
                app:iconTint="@color/fontAppbar"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />

            <com.google.android.material.textview.MaterialTextView
                android:id="@+id/search_text"
                android:layout_width="0dp"
                android:layout_height="48dp"
                android:layout_marginStart="13dp"
                android:layout_marginEnd="18dp"
                android:ellipsize="end"
                android:gravity="start|center_vertical"
                android:lines="1"
                android:textAlignment="viewStart"
                android:textColor="@color/fontSecondaryAppbar"
                android:textSize="16sp"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintStart_toEndOf="@id/menu_button"
                app:layout_constraintEnd_toStartOf="@id/rightContainer"
                app:layout_constraintTop_toTopOf="parent"
                tools:text="@string/appbar_search_in" />

            <FrameLayout
                android:id="@+id/rightContainer"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:layout_alignParentEnd="true"
                android:minWidth="48dp"
                android:layout_centerVertical="true"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintTop_toTopOf="parent">

                <com.google.android.material.button.MaterialButton
                    android:id="@+id/switch_account_button"
                    style="@style/Widget.AppTheme.Button.IconButton"
                    android:layout_width="48dp"
                    android:layout_height="48dp"
                    android:layout_gravity="center"
                    android:contentDescription="@string/nc_settings"
                    android:scaleType="fitCenter"
                    android:transitionName="userAvatar.transitionTag"
                    app:cornerRadius="@dimen/button_corner_radius"
                    app:icon="@drawable/ic_user"
                    app:iconSize="@dimen/avatar_size_app_bar"
                    tools:visibility="visible" />

                <ProgressBar
                    android:id="@+id/searchProgressBar"
                    android:layout_width="32dp"
                    android:layout_height="32dp"
                    android:padding="4dp"
                    android:layout_gravity="center"
                    android:indeterminate="true"
                    android:indeterminateTint="@color/colorPrimary"
                    android:scaleType="fitCenter"
                    android:visibility="gone" />

            </FrameLayout>

        </androidx.constraintlayout.widget.ConstraintLayout>

    </com.google.android.material.card.MaterialCardView>
</merge>