diff --git a/app/src/main/java/io/heckel/ntfy/app/Application.kt b/app/src/main/java/io/heckel/ntfy/app/Application.kt
index 5c33b86..b4b104c 100644
--- a/app/src/main/java/io/heckel/ntfy/app/Application.kt
+++ b/app/src/main/java/io/heckel/ntfy/app/Application.kt
@@ -12,8 +12,7 @@ class Application : Application() {
         Database.getInstance(this)
     }
     val repository by lazy {
-        val sharedPrefs = applicationContext.getSharedPreferences(Repository.SHARED_PREFS_ID, Context.MODE_PRIVATE)
-        val repository = Repository.getInstance(sharedPrefs, database)
+        val repository = Repository.getInstance(applicationContext)
         if (repository.getRecordLogs()) {
             Log.setRecord(true)
         }
diff --git a/app/src/main/java/io/heckel/ntfy/db/Repository.kt b/app/src/main/java/io/heckel/ntfy/db/Repository.kt
index e7642cc..34e9eb2 100644
--- a/app/src/main/java/io/heckel/ntfy/db/Repository.kt
+++ b/app/src/main/java/io/heckel/ntfy/db/Repository.kt
@@ -7,6 +7,7 @@ import androidx.annotation.WorkerThread
 import androidx.appcompat.app.AppCompatDelegate
 import androidx.lifecycle.*
 import io.heckel.ntfy.util.Log
+import io.heckel.ntfy.util.validUrl
 import java.util.concurrent.ConcurrentHashMap
 import java.util.concurrent.atomic.AtomicLong
 
@@ -346,6 +347,18 @@ class Repository(private val sharedPrefs: SharedPreferences, private val databas
         return false
     }
 
+    fun getLastShareTopics(): List<String> {
+        val topics = sharedPrefs.getString(SHARED_PREFS_LAST_TOPICS, "") ?: ""
+        return topics.split("\n").filter { validUrl(it) }
+    }
+
+    fun addLastShareTopic(topic: String) {
+        val topics = (getLastShareTopics() + topic).takeLast(LAST_TOPICS_COUNT)
+        sharedPrefs.edit()
+            .putString(SHARED_PREFS_LAST_TOPICS, topics.joinToString(separator = "\n"))
+            .apply()
+    }
+
     private fun toSubscriptionList(list: List<SubscriptionWithMetadata>): List<Subscription> {
         return list.map { s ->
             val connectionState = connectionStates.getOrElse(s.id) { ConnectionState.NOT_APPLICABLE }
@@ -422,6 +435,9 @@ class Repository(private val sharedPrefs: SharedPreferences, private val databas
         const val SHARED_PREFS_BATTERY_OPTIMIZATIONS_REMIND_TIME = "BatteryOptimizationsRemindTime"
         const val SHARED_PREFS_UNIFIED_PUSH_ENABLED = "UnifiedPushEnabled"
         const val SHARED_PREFS_UNIFIED_PUSH_BASE_URL = "UnifiedPushBaseURL"
+        const val SHARED_PREFS_LAST_TOPICS = "LastTopics"
+
+        private const val LAST_TOPICS_COUNT = 5
 
         const val MUTED_UNTIL_SHOW_ALL = 0L
         const val MUTED_UNTIL_FOREVER = 1L
@@ -456,7 +472,7 @@ class Repository(private val sharedPrefs: SharedPreferences, private val databas
             return getInstance(sharedPrefs, database)
         }
 
-        fun getInstance(sharedPrefs: SharedPreferences, database: Database): Repository {
+        private fun getInstance(sharedPrefs: SharedPreferences, database: Database): Repository {
             return synchronized(Repository::class) {
                 val newInstance = instance ?: Repository(sharedPrefs, database)
                 instance = newInstance
diff --git a/app/src/main/java/io/heckel/ntfy/ui/NotificationFragment.kt b/app/src/main/java/io/heckel/ntfy/ui/NotificationFragment.kt
index bd64799..8509e8e 100644
--- a/app/src/main/java/io/heckel/ntfy/ui/NotificationFragment.kt
+++ b/app/src/main/java/io/heckel/ntfy/ui/NotificationFragment.kt
@@ -43,9 +43,7 @@ class NotificationFragment : DialogFragment() {
         }
 
         // Dependencies
-        val database = Database.getInstance(requireActivity().applicationContext)
-        val sharedPrefs = requireActivity().getSharedPreferences(Repository.SHARED_PREFS_ID, Context.MODE_PRIVATE)
-        repository = Repository.getInstance(sharedPrefs, database)
+        repository = Repository.getInstance(requireContext())
 
         // Build root view
         val view = requireActivity().layoutInflater.inflate(R.layout.fragment_notification_dialog, null)
diff --git a/app/src/main/java/io/heckel/ntfy/ui/ShareActivity.kt b/app/src/main/java/io/heckel/ntfy/ui/ShareActivity.kt
index 8345b04..bd807fa 100644
--- a/app/src/main/java/io/heckel/ntfy/ui/ShareActivity.kt
+++ b/app/src/main/java/io/heckel/ntfy/ui/ShareActivity.kt
@@ -28,7 +28,7 @@ class ShareActivity : AppCompatActivity() {
     // File to share
     private var fileUri: Uri? = null
 
-    // List of base URLs used, excluding app_base_url
+    // Lazy-loaded things from Repository
     private lateinit var baseUrls: List<String>
 
     // UI elements
@@ -115,6 +115,10 @@ class ShareActivity : AppCompatActivity() {
             }
         }
 
+        // Populate "last topics"
+        val lastTopics = repository.getLastShareTopics()
+        Log.d(TAG, "last topics: $lastTopics")
+
         // Incoming intent
         val intent = intent ?: return
         if (intent.action != Intent.ACTION_SEND) return
@@ -229,14 +233,11 @@ class ShareActivity : AppCompatActivity() {
                     topic = topic,
                     user = user,
                     message = message,
-                    title = "",
-                    priority = 3,
-                    tags = emptyList(),
-                    delay = "",
                     body = body, // May be null
                     filename = filename, // May be empty
                 )
                 runOnUiThread {
+                    repository.addLastShareTopic(topicUrl(baseUrl, topic))
                     finish()
                     Toast
                         .makeText(this@ShareActivity, getString(R.string.share_successful), Toast.LENGTH_LONG)
diff --git a/app/src/main/res/layout/activity_share.xml b/app/src/main/res/layout/activity_share.xml
index d11421f..44265e2 100644
--- a/app/src/main/res/layout/activity_share.xml
+++ b/app/src/main/res/layout/activity_share.xml
@@ -21,7 +21,7 @@
             android:paddingBottom="2dp"
             android:text="@string/share_content_title"
             android:textAlignment="viewStart"
-            android:textAppearance="@style/TextAppearance.Material3.TitleMedium"
+            android:textAppearance="@style/TextAppearance.AppCompat.Large"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" android:paddingStart="2dp"/>
     <com.google.android.material.imageview.ShapeableImageView
@@ -73,9 +73,9 @@
             android:layout_height="wrap_content"
             android:paddingTop="5dp"
             android:paddingBottom="3dp"
-            android:text="Share to topic"
+            android:text="@string/share_topic_title"
             android:textAlignment="viewStart"
-            android:textAppearance="@style/TextAppearance.Material3.TitleMedium"
+            android:textAppearance="@style/TextAppearance.AppCompat.Large"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/share_content_file_box" android:layout_marginTop="15dp" android:paddingStart="2dp"/>
     <com.google.android.material.textfield.TextInputEditText
@@ -124,6 +124,21 @@
                 android:textAppearance="?android:attr/textAppearanceMedium"
         />
     </com.google.android.material.textfield.TextInputLayout>
+    <TextView
+            android:id="@+id/share_last_title"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:paddingTop="5dp"
+            android:paddingBottom="3dp"
+            android:text="@string/share_previous_topics"
+            android:textAlignment="viewStart"
+            android:textAppearance="@style/TextAppearance.AppCompat.Large"
+            android:paddingStart="2dp" app:layout_constraintTop_toBottomOf="@id/share_base_url_layout" app:layout_constraintStart_toStartOf="parent" android:layout_marginTop="15dp"/>
+    <LinearLayout
+            android:orientation="vertical"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content" android:id="@+id/share_last_layout" app:layout_constraintTop_toBottomOf="@id/share_last_title" app:layout_constraintEnd_toEndOf="parent" app:layout_constraintStart_toStartOf="parent" android:layout_marginTop="5dp">
+    </LinearLayout>
     <TextView
             android:text="Unable to resolve host example.com"
             android:layout_width="0dp"
@@ -133,7 +148,7 @@
             android:paddingEnd="4dp"
             android:textAppearance="@style/DangerText"
             app:layout_constraintStart_toEndOf="@id/share_error_image"
-            android:layout_marginTop="5dp" app:layout_constraintTop_toBottomOf="@id/share_base_url_layout"/>
+            android:layout_marginTop="10dp" app:layout_constraintTop_toBottomOf="@id/share_last_title"/>
     <ImageView
             android:layout_width="20dp"
             android:layout_height="20dp" app:srcCompat="@drawable/ic_error_red_24dp"
diff --git a/app/src/main/res/layout/fragment_add_dialog.xml b/app/src/main/res/layout/fragment_add_dialog.xml
index 9de08b0..c58da49 100644
--- a/app/src/main/res/layout/fragment_add_dialog.xml
+++ b/app/src/main/res/layout/fragment_add_dialog.xml
@@ -14,18 +14,18 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="horizontal">
-        <TextView
-                android:id="@+id/add_dialog_subscribe_title"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:paddingTop="16dp"
-                android:paddingBottom="3dp"
-                android:text="@string/add_dialog_title"
-                android:textAlignment="viewStart"
-                android:textAppearance="@style/TextAppearance.AppCompat.Large" android:paddingStart="4dp"
-                app:layout_constraintStart_toStartOf="parent"
-                app:layout_constraintTop_toTopOf="parent"
-        />
+            <TextView
+                    android:id="@+id/add_dialog_subscribe_title"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:paddingTop="16dp"
+                    android:paddingBottom="3dp"
+                    android:text="@string/add_dialog_title"
+                    android:textAlignment="viewStart"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Large" android:paddingStart="4dp"
+                    app:layout_constraintStart_toStartOf="parent"
+                    app:layout_constraintTop_toTopOf="parent"
+            />
 
         <ProgressBar
                 style="?android:attr/progressBarStyle"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 0ef1147..d32be3e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -195,6 +195,8 @@
     <string name="share_content_image_error">Cannot read image: %1$s</string>
     <string name="share_content_file_text">A file was shared with you</string>
     <string name="share_content_file_error">Cannot read file infos: %1$s</string>
+    <string name="share_topic_title">Share to</string>
+    <string name="share_previous_topics">Last topics</string>
     <string name="share_successful">Message successfully published</string>
 
     <!-- Notification dialog -->