Update Currency management

app/src/main/java/net/pokeranalytics/android/ui/fragment/CurrenciesFragment.kt

@@ -1,6 +1,7 @@
 package net.pokeranalytics.android.ui.fragment
 
 import android.app.Activity
+import android.content.Intent
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -16,12 +17,14 @@ import net.pokeranalytics.android.ui.fragment.components.PokerAnalyticsFragment
 import net.pokeranalytics.android.ui.view.RowRepresentable
 import net.pokeranalytics.android.ui.view.RowViewType
 import net.pokeranalytics.android.ui.view.rowrepresentable.SeparatorRowRepresentable
-import net.pokeranalytics.android.util.Preferences
 import java.util.*
 
 class CurrenciesFragment : PokerAnalyticsFragment(), StaticRowRepresentableDataSource, RowRepresentableDelegate {
 
     companion object {
+
+	    const val INTENT_CURRENCY_CODE = "INTENT_CURRENCY_CODE"
+
         val rowRepresentation : List<RowRepresentable> by lazy {
             val rows = ArrayList<RowRepresentable>()
             rows.addAll(mostUsedCurrencies)
@@ -30,9 +33,8 @@ class CurrenciesFragment : PokerAnalyticsFragment(), StaticRowRepresentableDataS
             rows
         }
 
-        val mostUsedCurrencyCodes = arrayListOf("EUR", "USD", "CAD", "GBP", "AUD", "CNY")
-        val systemCurrencies = Currency.getAvailableCurrencies()
-
+        private val mostUsedCurrencyCodes = arrayListOf("EUR", "USD", "CAD", "GBP", "AUD", "CNY")
+	    private val systemCurrencies = Currency.getAvailableCurrencies()
 
         private val mostUsedCurrencies = this.mostUsedCurrencyCodes.map { code ->
             CurrencyRow(
@@ -89,8 +91,9 @@ class CurrenciesFragment : PokerAnalyticsFragment(), StaticRowRepresentableDataS
 
     // RowRepresentableDelegate
     override fun onRowSelected(position: Int, row: RowRepresentable, fromAction: Boolean) {
-        Preferences.setCurrencyCode((row as CurrencyRow).currency.currencyCode, this.context!!)
-        this.activity?.setResult(Activity.RESULT_OK)
+        val intent = Intent()
+        intent.putExtra(INTENT_CURRENCY_CODE, (row as CurrencyRow).currency.currencyCode)
+        this.activity?.setResult(Activity.RESULT_OK, intent)
         this.activity?.finish()
     }
 

app/src/main/java/net/pokeranalytics/android/ui/fragment/SettingsFragment.kt

@@ -76,9 +76,12 @@ class SettingsFragment : PokerAnalyticsFragment(), RowRepresentableDelegate, Sta
 
 	override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
 		if (requestCode == SettingsFragment.REQUEST_CODE_CURRENCY && resultCode == Activity.RESULT_OK) {
+			data?.let {
+				Preferences.setCurrencyCode(data.getStringExtra(CurrenciesFragment.INTENT_CURRENCY_CODE), requireContext())
 				settingsAdapterRow.refreshRow(SettingRow.CURRENCY)
 			}
 		}
+	}
 
 	override fun adapterRows(): List<RowRepresentable>? {
 		return SettingsFragment.rowRepresentation