diff --git a/app/src/main/kotlin/com/hippo/ehviewer/ui/scene/ActionBuilder.kt b/app/src/main/kotlin/com/hippo/ehviewer/ui/scene/ActionBuilder.kt
new file mode 100644
index 000000000..205d378c8
--- /dev/null
+++ b/app/src/main/kotlin/com/hippo/ehviewer/ui/scene/ActionBuilder.kt
@@ -0,0 +1,13 @@
+package com.hippo.ehviewer.ui.scene
+
+interface ActionScope {
+    infix fun String.thenDo(that: suspend () -> Unit)
+}
+
+inline fun buildAction(builder: ActionScope.() -> Unit) = buildList {
+    builder(object : ActionScope {
+        override fun String.thenDo(that: suspend () -> Unit) {
+            add(this to that)
+        }
+    })
+}
diff --git a/app/src/main/kotlin/com/hippo/ehviewer/ui/scene/GalleryCommentsFragment.kt b/app/src/main/kotlin/com/hippo/ehviewer/ui/scene/GalleryCommentsFragment.kt
index 2f3f5726b..0781a953d 100644
--- a/app/src/main/kotlin/com/hippo/ehviewer/ui/scene/GalleryCommentsFragment.kt
+++ b/app/src/main/kotlin/com/hippo/ehviewer/ui/scene/GalleryCommentsFragment.kt
@@ -106,18 +106,6 @@ import kotlinx.coroutines.launch
 import moe.tarsin.coroutines.runSuspendCatching
 import rikka.core.res.resolveColor
 
-interface ActionScope {
-    infix fun String.thenDo(that: suspend () -> Unit)
-}
-
-inline fun buildAction(builder: ActionScope.() -> Unit) = buildList {
-    builder(object : ActionScope {
-        override fun String.thenDo(that: suspend () -> Unit) {
-            add(this to that)
-        }
-    })
-}
-
 private fun Context.generateComment(
     textView: TextView,
     comment: GalleryComment,