refactor: migrated savedcards from java to kotlin

mifospay/src/main/java/org/mifos/mobilewallet/mifospay/savedcards/CardsContract.kt

@@ -0,0 +1,37 @@
+package org.mifos.mobilewallet.mifospay.savedcards
+
+import org.mifos.mobilewallet.core.data.fineract.entity.savedcards.Card
+import org.mifos.mobilewallet.mifospay.base.BasePresenter
+import org.mifos.mobilewallet.mifospay.base.BaseView
+
+/**
+ * This a contract class working as an Interface for UI
+ * and Presenter components of the SavedCards Architecture.
+ *
+ * @author ankur
+ * @since 19/May/2018
+ */
+interface CardsContract {
+    /**
+     * Defines all the functions in UI Component.
+     */
+    interface CardsView : BaseView<CardsPresenter?> {
+        fun showSavedCards(cards: List<Card>)
+        fun showToast(message: String?)
+        fun showProgressDialog(message: String?)
+        fun hideProgressDialog()
+        fun showErrorStateView(drawable: Int, title: Int, subtitle: Int)
+        fun showFetchingProcess()
+        fun hideSwipeProgress()
+    }
+
+    /**
+     * Defines all the functions in Presenter Component.
+     */
+    interface CardsPresenter : BasePresenter {
+        fun fetchSavedCards()
+        fun addCard(card: Card?)
+        fun editCard(card: Card?)
+        fun deleteCard(position: Int)
+    }
+}