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

<?xml version="1.0" encoding="utf-8"?>
<com.google.android.material.card.MaterialCardView 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:id="@+id/container"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_margin="12dp"
    android:visibility="gone"
    android:focusable="true"
    app:cardBackgroundColor="@color/signal_colorSurface"
    app:cardCornerRadius="12dp"
    app:cardElevation="0dp"
    app:strokeColor="@color/signal_colorOutline_38"
    app:strokeWidth="1dp"
    tools:viewBindingIgnore="true"
    tools:visibility="visible">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:nextFocusRight="@+id/cancel">

        <ProgressBar
            android:id="@+id/reminder_progress"
            style="@style/Widget.ProgressBar.Horizontal"
            android:layout_width="52dp"
            android:layout_height="52dp"
            android:layout_marginStart="12dp"
            android:layout_marginTop="12dp"
            android:layout_marginBottom="12dp"
            android:progressDrawable="@drawable/reminder_progress_ring"
            android:rotation="90"
            android:visibility="gone"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            tools:progress="10" />

        <TextView
            android:id="@+id/reminder_progress_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@color/white"
            android:textSize="16sp"
            android:visibility="gone"
            app:layout_constraintBottom_toBottomOf="@id/reminder_progress"
            app:layout_constraintEnd_toEndOf="@id/reminder_progress"
            app:layout_constraintStart_toStartOf="@id/reminder_progress"
            app:layout_constraintTop_toTopOf="@id/reminder_progress"
            tools:text="100%" />

        <TextView
            android:id="@+id/reminder_title"
            style="@style/Signal.Text.BodyLarge"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:layout_marginTop="16dp"
            android:layout_marginBottom="6dp"
            android:textColor="@color/signal_colorOnSurface"
            app:layout_constraintBottom_toTopOf="@id/reminder_text"
            app:layout_constraintEnd_toStartOf="@id/cancel"
            app:layout_constraintStart_toEndOf="@id/reminder_progress"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_goneMarginStart="16dp"
            tools:text="Invite to Signal" />

        <TextView
            android:id="@+id/reminder_text"
            style="@style/Signal.Text.BodyMedium"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginStart="16dp"
            android:layout_marginEnd="16dp"
            android:textColor="@color/signal_colorOnSurfaceVariant"
            app:layout_constraintBottom_toTopOf="@id/reminder_actions"
            app:layout_constraintEnd_toStartOf="@id/reminder_space"
            app:layout_constraintStart_toEndOf="@id/reminder_progress"
            app:layout_constraintTop_toBottomOf="@id/reminder_title"
            app:layout_goneMarginBottom="16dp"
            app:layout_goneMarginEnd="16dp"
            app:layout_goneMarginStart="16dp"
            app:layout_goneMarginTop="16dp"
            tools:text="Take your conversation with Otto Octavius to the next level!" />

        <Space
            android:id="@+id/reminder_space"
            android:layout_width="48dp"
            android:layout_height="0dp"
            android:visibility="gone"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <ImageButton
            android:id="@+id/cancel"
            android:layout_width="48dp"
            android:layout_height="48dp"
            android:layout_marginTop="2dp"
            android:background="?selectableItemBackgroundBorderless"
            android:contentDescription="@string/InviteActivity_cancel"
            android:focusable="true"
            android:nextFocusLeft="@+id/container"
            android:nextFocusRight="@+id/container"
            android:src="@drawable/ic_close_white_24dp"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/reminder_actions"
            android:layout_width="0dp"
            android:layout_height="46dp"
            android:orientation="horizontal"
            android:overScrollMode="never"
            android:visibility="gone"
            android:layout_marginEnd="16dp"
            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@id/reminder_text"
            app:reverseLayout="true"
            tools:itemCount="2"
            tools:listitem="@layout/reminder_action_button"
            tools:visibility="visible" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</com.google.android.material.card.MaterialCardView>