OsmAnd/plugins/Osmand-Nautical/res/layout/main.xml

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             android:layout_width="fill_parent"
             android:layout_height="fill_parent"
             xmlns:app="http://schemas.android.com/apk/res-auto"
             android:background="@color/white">

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

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/blue_background"
            android:orientation="horizontal"
            android:paddingLeft="24dp"
            android:paddingRight="24dp"
            android:paddingTop="16dp"
            android:paddingBottom="16dp">

            <TextView
                android:layout_width="0dp"
                android:layout_height="fill_parent"
                android:layout_weight="1"
                android:gravity="center_vertical"
                android:text="@string/plugin_title"
                android:textColor="@color/white"
                android:textSize="18sp"
                android:textStyle="bold"/>

            <ImageView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:src="@drawable/icon"/>

        </LinearLayout>

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:paddingLeft="24dp"
            android:paddingRight="24dp"
            android:paddingTop="24dp"
            android:paddingBottom="16dp"
            android:orientation="vertical">

            <TextView
                android:id="@+id/descriptionTextView"
                android:layout_width="fill_parent"
                android:layout_height="fill_parent"
                android:text="@string/plugin_description"
                android:textColor="@color/primary_text_light"
                android:textSize="16sp"/>

        </LinearLayout>

        <androidx.appcompat.widget.AppCompatButton
            android:id="@+id/buyButton"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:backgroundTint="@color/blue_background"
            android:layout_marginLeft="20dp"
            android:layout_marginRight="20dp"
            android:layout_marginBottom="16dp"
            android:textColor="@color/white"
            android:text="@string/install_osmand"/>

    </LinearLayout>

</FrameLayout>