feat(notifications): Add hint on notif remove & on no notifs

app/src/main/java/com/p_vacho/neat_calendar/activities/NotificationsActivity.kt

@@ -2,7 +2,9 @@ package com.p_vacho.neat_calendar.activities
 
 import android.os.Bundle
 import android.util.Log
+import android.view.View
 import android.widget.ImageButton
+import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.enableEdgeToEdge
 import androidx.appcompat.app.AppCompatActivity
@@ -33,6 +35,8 @@ import retrofit2.HttpException
 class NotificationsActivity : AppCompatActivity() {
     private lateinit var rvNotifications: RecyclerView
     private lateinit var btnBack: ImageButton
+    private lateinit var tvEmptyState: TextView
+    private lateinit var tvSwipeHint: TextView
 
     private lateinit var notifications: MutableList<NotificationResponse>
     private lateinit var invitations: MutableMap<String, InvitationResponse> // invitation id -> invitation
@@ -52,6 +56,8 @@ class NotificationsActivity : AppCompatActivity() {
 
         rvNotifications = findViewById(R.id.rvNotifications)
         btnBack = findViewById(R.id.btnBack)
+        tvEmptyState = findViewById(R.id.tvEmptyState)
+        tvSwipeHint = findViewById(R.id.tvSwipeHint)
 
         btnBack.setOnClickListener { finish() }
 
@@ -78,6 +84,7 @@ class NotificationsActivity : AppCompatActivity() {
 
             rvNotifications.adapter = adapter
             setupSwipeToDelete(adapter)
+            updateEmptyState()
         }
     }
 
@@ -278,6 +285,7 @@ class NotificationsActivity : AppCompatActivity() {
                             notifications.removeAt(position)
                             adapter.notifyItemRemoved(position)
                             Toast.makeText(this@NotificationsActivity, "Notification deleted", Toast.LENGTH_SHORT).show()
+                            updateEmptyState()
                         }
                     } catch (e: Exception) {
                         withContext(Dispatchers.Main) {
@@ -293,4 +301,10 @@ class NotificationsActivity : AppCompatActivity() {
         // Attach ItemTouchHelper to the RecyclerView
         itemTouchHelper.attachToRecyclerView(rvNotifications)
     }
+
+    private fun updateEmptyState() {
+        val isEmpty = notifications.isEmpty()
+        tvEmptyState.visibility = if (isEmpty) View.VISIBLE else View.GONE
+        tvSwipeHint.visibility = if (isEmpty) View.GONE else View.VISIBLE
+    }
 }

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

@@ -62,4 +62,36 @@
         android:layout_marginBottom="16dp"
         android:layout_marginTop="8dp" />
 
+    <!-- Swipe Hint -->
+    <TextView
+        android:id="@+id/tvSwipeHint"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="@string/swipe_to_delete_hint"
+        android:textSize="14sp"
+        android:textColor="?android:attr/textColorSecondary"
+        android:gravity="center"
+        android:padding="16dp"
+        android:visibility="gone"
+        tools:visibility="visible"
+        app:layout_constraintTop_toBottomOf="@id/rvNotifications"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <!-- Empty State -->
+    <TextView
+        android:id="@+id/tvEmptyState"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="@string/no_notifications"
+        android:textSize="16sp"
+        android:textColor="?android:attr/textColorSecondary"
+        android:gravity="center"
+        android:visibility="gone"
+        app:layout_constraintTop_toBottomOf="@id/titleBar"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -79,4 +79,6 @@
     <string name="decline">Decline</string>
     <string name="notifications">Notifications</string>
     <string name="view_event">View Event</string>
+    <string name="swipe_to_delete_hint">Swipe right on a notification to delete it.</string>
+    <string name="no_notifications">You\'re all caught up! No notifications right now.</string>
 </resources>