diff --git a/flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/InputService.kt b/flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/InputService.kt
index b2a827e12..8ea67fe0b 100644
--- a/flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/InputService.kt
+++ b/flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/InputService.kt
@@ -294,14 +294,31 @@ class InputService : AccessibilityService() {
         }
         try {
             if (stroke == null) {
-                stroke = GestureDescription.StrokeDescription(
-                    touchPath,
-                    0,
-                    duration,
-                    willContinue
-                )
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    stroke = GestureDescription.StrokeDescription(
+                        touchPath,
+                        0,
+                        duration,
+                        willContinue
+                    )
+                } else {
+                    stroke = GestureDescription.StrokeDescription(
+                        touchPath,
+                        0,
+                        duration
+                    )
+                }
             } else {
-                stroke = stroke?.continueStroke(touchPath, 0, duration, willContinue)
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                    stroke = stroke?.continueStroke(touchPath, 0, duration, willContinue)
+                } else {
+                    stroke = null
+                    stroke = GestureDescription.StrokeDescription(
+                        touchPath,
+                        0,
+                        duration
+                    )
+                }
             }
             stroke?.let {
                 val builder = GestureDescription.Builder()