Refactor RowGroup into SectionRow

app/src/main/java/net/pokeranalytics/android/ui/adapter/components/DynamicRowInterface.kt

@@ -4,21 +4,12 @@ import android.content.Context
 import net.pokeranalytics.android.R
 
 
-class RowGroup(stringRes: Int?, rows: ArrayList<DynamicRowInterface>) : DynamicRowInterface {
+class SectionRow(stringRes: Int) : DynamicRowInterface {
 
-    var stringRes: Int? = stringRes
-    var rows: ArrayList<DynamicRowInterface> = rows
+    var stringRes: Int = stringRes
 
-    var size: Int = 0
-        get() {
-            return this.rows.size
-        }
-
-    override fun localizedTitle(context: Context): String? {
-        stringRes?.let {
-            return context.getString(it)
-        }
-        return null
+    override fun localizedTitle(context: Context): String {
+        return context.getString(this.stringRes)
     }
 
     override var viewType: Int = 0
@@ -27,7 +18,7 @@ class RowGroup(stringRes: Int?, rows: ArrayList<DynamicRowInterface>) : DynamicR
 
 interface DynamicRowInterface {
 
-    fun localizedTitle(context: Context): String?
+    fun localizedTitle(context: Context): String
     var viewType: Int
 
 }
@@ -37,7 +28,7 @@ enum class SessionRow(val resId: Int) : DynamicRowInterface {
     GAME(R.string.app_name),
     DATE(R.string.app_name);
 
-    override fun localizedTitle(context: Context): String? {
+    override fun localizedTitle(context: Context): String {
         return context.getString(this.resId)
     }
 
@@ -57,7 +48,7 @@ enum class BankrollRow(val resId: Int) : DynamicRowInterface {
     LIVE(R.string.app_name),
     CURRENCY(R.string.app_name);
 
-    override fun localizedTitle(context: Context): String? {
+    override fun localizedTitle(context: Context): String {
         return context.getString(this.resId)
     }