Add loader

app/src/main/res/layout/row_button.xml

@@ -4,23 +4,36 @@
 	xmlns:tools="http://schemas.android.com/tools"
 	android:id="@+id/container"
 	android:layout_width="match_parent"
-	android:layout_height="wrap_content"
+	android:layout_height="56dp"
 	android:background="?selectableItemBackground">
 
 	<androidx.appcompat.widget.AppCompatTextView
 		android:id="@+id/title"
 		android:layout_width="0dp"
-		android:layout_height="wrap_content"
+		android:layout_height="match_parent"
 		style="@style/PokerAnalyticsTheme.TextView.ButtonRow"
 		android:gravity="center"
-		android:paddingTop="16dp"
-		android:paddingBottom="16dp"
 		app:layout_constraintBottom_toBottomOf="parent"
 		app:layout_constraintEnd_toEndOf="@+id/guidelineEnd"
 		app:layout_constraintStart_toStartOf="@+id/guidelineStart"
 		app:layout_constraintTop_toTopOf="parent"
 		tools:text="Data Type Title" />
 
+	<androidx.core.widget.ContentLoadingProgressBar
+		android:id="@+id/progressBar"
+		style="?android:attr/progressBarStyleSmall"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_marginStart="8dp"
+		android:layout_marginTop="8dp"
+		android:layout_marginEnd="8dp"
+		android:layout_marginBottom="8dp"
+		android:visibility="gone"
+		app:layout_constraintBottom_toBottomOf="parent"
+		app:layout_constraintEnd_toEndOf="parent"
+		app:layout_constraintStart_toStartOf="parent"
+		app:layout_constraintTop_toTopOf="parent" />
+
 	<androidx.constraintlayout.widget.Guideline
 		android:id="@+id/guidelineStart"
 		android:layout_width="wrap_content"