Able to set Default card for payments now

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

@@ -147,6 +147,32 @@
 
             </LinearLayout>
 
+            <!-- Default card toggle (manage mode only) -->
+            <LinearLayout
+                android:id="@+id/llDefaultCardRow"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:gravity="center_vertical"
+                android:paddingHorizontal="20dp"
+                android:paddingTop="4dp"
+                android:paddingBottom="4dp"
+                android:visibility="gone">
+
+                <TextView
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:text="@string/card_set_as_default"
+                    android:textAppearance="?attr/textAppearanceBodyMedium" />
+
+                <com.google.android.material.materialswitch.MaterialSwitch
+                    android:id="@+id/switchDefaultCard"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content" />
+
+            </LinearLayout>
+
             <!-- Card management actions (manage mode only) -->
             <LinearLayout
                 android:id="@+id/llManageButtons"

app/src/main/res/values/strings.xml

@@ -331,6 +331,7 @@
     <string name="card_pay_nfc">Tap to Pay</string>
     <string name="mib_qr_nfc_not_supported">Skill issue on MIB side, Not supported</string>
     <string name="card_manage">Manage Card</string>
+    <string name="card_set_as_default">Set as Default Card</string>
     <string name="card_action_change_pin">Change PIN</string>
     <string name="card_action_freeze">Freeze</string>
     <string name="card_action_block">Block</string>