Signal-Android/app/src/main/res/layout/custom_notifications_dialog_fragment.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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">

    <androidx.appcompat.widget.Toolbar
        android:id="@+id/custom_notifications_toolbar"
        android:layout_width="0dp"
        android:layout_height="?attr/actionBarSize"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:navigationIcon="@drawable/ic_arrow_left_24"
        app:title="@string/CustomNotificationsDialogFragment__custom_notifications" />

    <TextView
        android:id="@+id/custom_notifications_message_section_header"
        android:layout_width="0dp"
        android:layout_height="52dp"
        android:gravity="bottom"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        android:paddingBottom="8dp"
        android:text="@string/CustomNotificationsDialogFragment__messages"
        android:textAppearance="@style/TextAppearance.Signal.Body2.Bold"
        android:textColor="?attr/colorAccent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/custom_notifications_toolbar" />

    <LinearLayout
        android:id="@+id/custom_notifications_row"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:background="?selectableItemBackground"
        android:clickable="true"
        android:focusable="true"
        android:orientation="horizontal"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/custom_notifications_message_section_header">

        <TextView
            android:id="@+id/custom_notifications_enable_label"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_gravity="center_horizontal"
            android:layout_weight="1"
            android:gravity="center_vertical|start"
            android:text="@string/CustomNotificationsDialogFragment__use_custom_notifications"
            android:textAlignment="viewStart"
            android:textAppearance="@style/Signal.Text.Body" />

        <androidx.appcompat.widget.SwitchCompat
            android:id="@+id/custom_notifications_enable_switch"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:clickable="false"
            app:layout_constraintBottom_toBottomOf="@id/custom_notifications_enable_label"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toEndOf="@id/custom_notifications_enable_label"
            app:layout_constraintTop_toTopOf="@id/custom_notifications_enable_label" />

    </LinearLayout>

    <LinearLayout
        android:id="@+id/custom_notifications_sound_row"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:background="?selectableItemBackground"
        android:clickable="true"
        android:focusable="true"
        android:orientation="horizontal"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/custom_notifications_row">

        <TextView
            android:id="@+id/custom_notifications_sound_label"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_gravity="center_horizontal"
            android:layout_weight="1"
            android:enabled="false"
            android:gravity="center_vertical|start"
            android:text="@string/CustomNotificationsDialogFragment__notification_sound"
            android:textAlignment="viewStart"
            android:textAppearance="@style/Signal.Text.Body" />

        <TextView
            android:id="@+id/custom_notifications_sound_selection"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:clickable="false"
            android:textAppearance="@style/Signal.Text.Body"
            android:textColor="?attr/colorAccent"
            android:visibility="gone"
            tools:text="Default (Popcorn)"
            tools:visibility="visible" />

    </LinearLayout>

    <LinearLayout
        android:id="@+id/custom_notifications_message_vibrate_row"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:background="?selectableItemBackground"
        android:clickable="true"
        android:focusable="true"
        android:orientation="horizontal"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/custom_notifications_sound_row">

        <TextView
            android:id="@+id/custom_notifications_message_vibrate_label"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_gravity="center"
            android:layout_weight="1"
            android:enabled="false"
            android:gravity="center_vertical|start"
            android:text="@string/CustomNotificationsDialogFragment__vibrate"
            android:textAlignment="viewStart"
            android:textAppearance="@style/Signal.Text.Body" />

        <TextView
            android:id="@+id/custom_notifications_message_vibrate_selector"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:clickable="false"
            android:textAppearance="@style/Signal.Text.Body"
            android:textColor="?attr/colorAccent"
            android:visibility="gone"
            tools:text="Default"
            tools:visibility="visible" />

        <androidx.appcompat.widget.SwitchCompat
            android:id="@+id/custom_notifications_vibrate_switch"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:clickable="false" />

    </LinearLayout>

    <View
        android:id="@+id/custom_notifications_divider"
        android:layout_width="0dp"
        android:layout_height="12dp"
        android:background="@drawable/preference_divider"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/custom_notifications_message_vibrate_row" />

    <TextView
        android:id="@+id/custom_notifications_call_settings_section_header"
        android:layout_width="0dp"
        android:layout_height="52dp"
        android:gravity="bottom"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        android:paddingBottom="8dp"
        android:text="@string/CustomNotificationsDialogFragment__call_settings"
        android:textAppearance="@style/TextAppearance.Signal.Body2.Bold"
        android:textColor="?attr/colorAccent"
        android:visibility="gone"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/custom_notifications_divider"
        tools:visibility="visible" />

    <LinearLayout
        android:id="@+id/custom_notifications_ringtone_row"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:background="?selectableItemBackground"
        android:clickable="true"
        android:focusable="true"
        android:orientation="horizontal"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        android:visibility="gone"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/custom_notifications_call_settings_section_header"
        tools:visibility="visible">

        <TextView
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_gravity="center_horizontal"
            android:layout_weight="1"
            android:gravity="center_vertical|start"
            android:text="@string/CustomNotificationsDialogFragment__ringtone"
            android:textAlignment="viewStart"
            android:textAppearance="@style/Signal.Text.Body" />

        <TextView
            android:id="@+id/custom_notifications_ringtone_selection"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:clickable="false"
            android:textAppearance="@style/Signal.Text.Body"
            android:textColor="?attr/colorAccent"
            tools:text="Default" />

    </LinearLayout>

    <LinearLayout
        android:id="@+id/custom_notifications_call_vibrate_row"
        android:layout_width="match_parent"
        android:layout_height="56dp"
        android:background="?selectableItemBackground"
        android:clickable="true"
        android:focusable="true"
        android:orientation="horizontal"
        android:paddingStart="16dp"
        android:paddingEnd="16dp"
        android:visibility="gone"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@id/custom_notifications_ringtone_row"
        tools:visibility="visible">

        <TextView
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_gravity="center_horizontal"
            android:layout_weight="1"
            android:gravity="center_vertical|start"
            android:text="@string/CustomNotificationsDialogFragment__vibrate"
            android:textAlignment="viewStart"
            android:textAppearance="@style/Signal.Text.Body" />

        <TextView
            android:id="@+id/custom_notifications_call_vibrate_selectior"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:clickable="false"
            android:textAppearance="@style/Signal.Text.Body"
            android:textColor="?attr/colorAccent"
            tools:text="Default" />

    </LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>