Guard blur method

app/src/main/java/com/hippo/app/BaseDialogBuilder.kt

@@ -1,6 +1,7 @@
 package com.hippo.app
 
 import android.content.Context
+import android.os.Build
 import android.view.WindowManager
 import androidx.appcompat.app.AlertDialog
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
@@ -10,10 +11,12 @@ open class BaseDialogBuilder constructor(
 ) : MaterialAlertDialogBuilder(context) {
     override fun create(): AlertDialog {
         return super.create().apply {
-            window?.run {
-                addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND)
-                addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
-                attributes.blurBehindRadius = 32
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+                window?.run {
+                    addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND)
+                    addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
+                    attributes.blurBehindRadius = 32
+                }
             }
         }
     }

app/src/main/java/com/hippo/ehviewer/ui/GalleryInfoBottomSheet.kt

@@ -15,6 +15,7 @@
  */
 package com.hippo.ehviewer.ui
 
+import android.os.Build
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
@@ -47,9 +48,11 @@ class GalleryInfoBottomSheet(detail: GalleryDetail) : BottomSheetDialogFragment(
         parseDetail()
         val view = inflater.inflate(R.layout.scene_gallery_info, container, false)
         dialog?.window?.run {
-            addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND)
-            addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
-            attributes.blurBehindRadius = 32
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+                addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND)
+                addFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
+                attributes.blurBehindRadius = 32
+            }
         }
         val recyclerView = view.findViewById(R.id.recycler_view) as RecyclerView
         val adapter = InfoAdapter()