diff --git a/.github/ISSUE_TEMPLATE/bug_report.yml b/.github/ISSUE_TEMPLATE/bug_report.yml
index e4fdd6f..18b5418 100644
--- a/.github/ISSUE_TEMPLATE/bug_report.yml
+++ b/.github/ISSUE_TEMPLATE/bug_report.yml
@@ -20,6 +20,7 @@ body:
           - **Flutter**: 2.5.2
           - **Dart**: 2.14.3
           - **DocMan version**: 1.0.2
+        
         Android information (optional): 
           - **OS**: Android 11
           - **Device**: Pixel 5
diff --git a/android/src/main/kotlin/devdf/plugins/docman/DocManDocumentsProvider.kt b/android/src/main/kotlin/devdf/plugins/docman/DocManDocumentsProvider.kt
index 6c99e09..e0471c7 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/DocManDocumentsProvider.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/DocManDocumentsProvider.kt
@@ -265,7 +265,7 @@ class DocManDocumentsProvider : DocumentsProvider() {
             )
             removeDocument(sourceDocumentId, sourceParentDocumentId)
             return newDocumentId
-        } catch (e: FileNotFoundException) {
+        } catch (_: FileNotFoundException) {
             throw FileNotFoundException("Couldn't move document '$sourceDocumentId'")
         }
     }
diff --git a/android/src/main/kotlin/devdf/plugins/docman/channels/DocManActivity.kt b/android/src/main/kotlin/devdf/plugins/docman/channels/DocManActivity.kt
index b3c2f8b..320f518 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/channels/DocManActivity.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/channels/DocManActivity.kt
@@ -42,8 +42,8 @@ internal class DocManActivity(private val plugin: DocManPlugin) : EngineBase,
 
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?): Boolean {
-        return plugin.queue.methodCast<ActivityMethodBase>(requestCode)
-            ?.onActivityResult(resultCode, data) ?: false
+        return plugin.queue.methodCast<ActivityMethodBase>(requestCode.toString())
+            ?.onActivityResult(resultCode, data) == true
     }
 
     override fun onAttach() {
diff --git a/android/src/main/kotlin/devdf/plugins/docman/definitions/DocManInterface.kt b/android/src/main/kotlin/devdf/plugins/docman/definitions/DocManInterface.kt
index 1704196..93b2564 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/definitions/DocManInterface.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/definitions/DocManInterface.kt
@@ -128,8 +128,8 @@ interface MethodMeta {
         get() = meta.errorCode
     val method: String
         get() = meta.methodName
-    val requestCode: Int
-        get() = meta.requestCode
+    val requestCode: String
+        get() = meta.requestCode.toString()
 }
 
 
diff --git a/android/src/main/kotlin/devdf/plugins/docman/extensions/DocumentFileExt.kt b/android/src/main/kotlin/devdf/plugins/docman/extensions/DocumentFileExt.kt
index d67ea28..c18243d 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/extensions/DocumentFileExt.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/extensions/DocumentFileExt.kt
@@ -156,7 +156,7 @@ fun DocumentFile.canCreate(context: Context): Boolean =
  */
 //TODO: add additional thumbnail types like docx, xls, maybe others
 fun DocumentFile.canThumbnailAlternate(context: Context): Boolean =
-    canRead() && (type == "application/pdf" || isVideo(context) || isImage(context))
+    canRead() && (isPDF() || isVideo(context) || isImage(context))
 
 /** Get the persisted URI of the [DocumentFile]
  *
@@ -320,6 +320,9 @@ fun DocumentFile.isVideo(context: Context): Boolean =
 fun DocumentFile.isVisualMedia(context: Context): Boolean =
     isImage(context) || isVideo(context)
 
+/** Check if the [DocumentFile] is a PDF file */
+fun DocumentFile.isPDF(): Boolean = type == "application/pdf"
+
 /** Copy the [DocumentFile] to the cache directory.
  *
  *  Must be called from a coroutine.
diff --git a/android/src/main/kotlin/devdf/plugins/docman/extensions/StringExt.kt b/android/src/main/kotlin/devdf/plugins/docman/extensions/StringExt.kt
index ab2a309..1b281f7 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/extensions/StringExt.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/extensions/StringExt.kt
@@ -13,7 +13,7 @@ fun String.toUri(): Uri {
     return if (parsedScheme.isNullOrEmpty() || ("${this[0]}" == "/")) {
         try {
             Uri.fromFile(File(this))
-        } catch (e: Exception) {
+        } catch (_: Exception) {
             parsed
         }
     } else parsed
diff --git a/android/src/main/kotlin/devdf/plugins/docman/methods/AppDirsAction.kt b/android/src/main/kotlin/devdf/plugins/docman/methods/AppDirsAction.kt
index ffe423d..91eb2d7 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/methods/AppDirsAction.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/methods/AppDirsAction.kt
@@ -59,6 +59,7 @@ class AppDirsAction(
         dirPath?.let { success(it) } ?: dirPathError()
     }
 
+
     private fun clear() {
         // Clear the cache directory, currently only cache directory is supported
         if (dir == AppDirType.Cache) DocManFiles.clearCacheDirectories(plugin.context)
diff --git a/android/src/main/kotlin/devdf/plugins/docman/methods/DocumentFileAction.kt b/android/src/main/kotlin/devdf/plugins/docman/methods/DocumentFileAction.kt
index ee1c8a6..25d8165 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/methods/DocumentFileAction.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/methods/DocumentFileAction.kt
@@ -40,6 +40,8 @@ class DocumentFileAction(
 
     override val meta: DocManMethod = DocManMethod.DocumentFileAction
 
+    /// Override the requestCode, to allow multiple actions on different documents
+    override val requestCode: String = call.argument<String>("uri") ?: meta.requestCode.toString()
     private lateinit var doc: DocumentFile
 
     override fun oMethodCall() {
diff --git a/android/src/main/kotlin/devdf/plugins/docman/methods/DocumentFileActivity.kt b/android/src/main/kotlin/devdf/plugins/docman/methods/DocumentFileActivity.kt
index a5d6a4a..538447d 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/methods/DocumentFileActivity.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/methods/DocumentFileActivity.kt
@@ -53,8 +53,8 @@ class DocumentFileActivity(
         }
 
         try {
-            plugin.binding?.activity?.startActivityForResult(intent, requestCode)
-        } catch (e: Exception) {
+            plugin.binding?.activity?.startActivityForResult(intent, requestCode.toInt())
+        } catch (_: Exception) {
             plugin.queue.finishWithError(requestCode, "no_activity", action, null)
         }
     }
@@ -79,7 +79,7 @@ class DocumentFileActivity(
     }
 
     private fun actionCreateDocumentIntent(): Intent {
-        val localOnly = call.argument<Boolean>("localOnly") ?: false
+        val localOnly = call.argument<Boolean>("localOnly") == true
         val initDir = call.argument<String>("initDir")
         return Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
             addCategory(Intent.CATEGORY_OPENABLE)
@@ -104,7 +104,7 @@ class DocumentFileActivity(
     }
 
     private fun processSaveTo(data: Intent?) {
-        val deleteSource = call.argument<Boolean>("deleteSource") ?: false
+        val deleteSource = call.argument<Boolean>("deleteSource") == true
         if (data != null && data.data != null) {
             CoroutineScope(Dispatchers.IO).launch {
                 val newDoc = doc.saveToUri(data.data!!, deleteSource, plugin.context)
diff --git a/android/src/main/kotlin/devdf/plugins/docman/methods/PermissionsAction.kt b/android/src/main/kotlin/devdf/plugins/docman/methods/PermissionsAction.kt
index cbd322a..e9c16e2 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/methods/PermissionsAction.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/methods/PermissionsAction.kt
@@ -32,9 +32,9 @@ class PermissionsAction(
 
     private val uri: Uri? = call.argument<String>("uri")?.toUri()
 
-    private val dirs: Boolean = call.argument<Boolean>("dirs") ?: true
+    private val dirs: Boolean = call.argument<Boolean>("dirs") != false
 
-    private val files: Boolean = call.argument<Boolean>("files") ?: true
+    private val files: Boolean = call.argument<Boolean>("files") != false
 
     override fun oMethodCall() {
         //Validate the action
diff --git a/android/src/main/kotlin/devdf/plugins/docman/methods/PermissionsEvents.kt b/android/src/main/kotlin/devdf/plugins/docman/methods/PermissionsEvents.kt
index 650a0da..68c6bf4 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/methods/PermissionsEvents.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/methods/PermissionsEvents.kt
@@ -18,8 +18,8 @@ class PermissionsEvents(
 
     override val meta: DocManMethod = DocManMethod.PermissionsEvent
 
-    private val dirs = call.argument<Boolean>("dirs") ?: true
-    private val files = call.argument<Boolean>("files") ?: true
+    private val dirs = call.argument<Boolean>("dirs") != false
+    private val files = call.argument<Boolean>("files") != false
 
     override suspend fun onListen() {
         when (val action = call.argument<String>("action")) {
diff --git a/android/src/main/kotlin/devdf/plugins/docman/methods/PickActivity.kt b/android/src/main/kotlin/devdf/plugins/docman/methods/PickActivity.kt
index 1b1b989..24d184e 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/methods/PickActivity.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/methods/PickActivity.kt
@@ -81,13 +81,13 @@ internal data class PickActivityArgs(
                     call.argAsListString("mimeTypes"),
                     call.argAsListString("extensions")
                 ),
-                localOnly = call.argument<Boolean>("localOnly") ?: false,
-                grantPermissions = call.argument<Boolean>("grantPermissions") ?: true,
+                localOnly = call.argument<Boolean>("localOnly") == true,
+                grantPermissions = call.argument<Boolean>("grantPermissions") != false,
                 limit = call.argument<Int>("limit") ?: 1,
                 limitResult = PickLimitResult.fromString(call.argument("limitType")),
                 limitToast = call.argument("limitToast") ?: "Pick limit reached",
                 imageQuality = call.argument<Int>("imageQuality") ?: 100,
-                usePhotoPicker = call.argument<Boolean>("usePhotoPicker") ?: true,
+                usePhotoPicker = call.argument<Boolean>("usePhotoPicker") != false,
                 initDir = call.argument<String>("initDir")
             )
         }
@@ -135,8 +135,8 @@ class PickActivity(
 
         //2. Start the activity
         try {
-            plugin.binding?.activity?.startActivityForResult(activityIntent(), requestCode)
-        } catch (e: Exception) {
+            plugin.binding?.activity?.startActivityForResult(activityIntent(), requestCode.toInt())
+        } catch (_: Exception) {
             plugin.queue.finishWithError(
                 requestCode,
                 "no_activity",
diff --git a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManFiles.kt b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManFiles.kt
index 10abd63..2f3eb59 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManFiles.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManFiles.kt
@@ -17,6 +17,7 @@ import devdf.plugins.docman.extensions.getFileExtension
 import devdf.plugins.docman.extensions.isAppFile
 import devdf.plugins.docman.extensions.isImage
 import devdf.plugins.docman.extensions.isMediaMimeType
+import devdf.plugins.docman.extensions.isPDF
 import devdf.plugins.docman.extensions.isVideo
 import devdf.plugins.docman.extensions.isVisualMedia
 import devdf.plugins.docman.extensions.nameAsFileName
@@ -179,7 +180,7 @@ class DocManFiles {
         /** Read the content of the [DocumentFile] as a byte array */
         fun readDocumentFile(doc: DocumentFile, context: Context): ByteArray? = try {
             context.contentResolver.openInputStream(doc.uri)?.use { it.readBytes() }
-        } catch (e: Exception) {
+        } catch (_: Exception) {
             null
         }
 
@@ -239,7 +240,7 @@ class DocManFiles {
                     }
                     targetFile.path
                 }
-            } catch (e: Exception) {
+            } catch (_: Exception) {
                 null
             }
         }
@@ -256,7 +257,7 @@ class DocManFiles {
 
             when {
                 doc.isVideo(context) -> DocManMedia.videoThumbnail(doc, thumbSize, context)
-                doc.type == "application/pdf" -> DocManMedia.pdfThumbnail(
+                doc.isPDF() -> DocManMedia.pdfThumbnail(
                     doc,
                     thumbSize,
                     context
diff --git a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManMedia.kt b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManMedia.kt
index 68d5c5f..19894d4 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManMedia.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManMedia.kt
@@ -16,6 +16,7 @@ import android.util.Size
 import androidx.documentfile.provider.DocumentFile
 import devdf.plugins.docman.extensions.canThumbnailAlternate
 import devdf.plugins.docman.extensions.isImage
+import devdf.plugins.docman.extensions.isPDF
 import devdf.plugins.docman.extensions.isVideo
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
@@ -73,13 +74,17 @@ class DocManMedia {
             size: Size,
             context: Context,
         ): Bitmap? = runCatching {
-            //1. Check if we can get thumbnail from the document fastest way
-            DocumentsContract.getDocumentThumbnail(
-                context.contentResolver,
-                doc.uri,
-                Point(size.width, size.height),
-                null
-            )
+            //1. If document is local file just skip this section
+            //1.1. Check if we can get thumbnail from the document fastest way
+            if (doc.uri.scheme != "file") {
+                DocumentsContract.getDocumentThumbnail(
+                    context.contentResolver,
+                    doc.uri,
+                    Point(size.width, size.height),
+                    null
+                )
+            } else null
+
         }.getOrNull() ?: runCatching {
             //2. If not, try to load thumbnail from content resolver if allowed
             if (DocManBuild.loadThumbnail()) {
@@ -90,7 +95,7 @@ class DocManMedia {
             when {
                 doc.isImage(context) -> imageThumbnail(doc, size, context)
                 doc.isVideo(context) -> videoThumbnail(doc, size, context)
-                doc.type == "application/pdf" -> pdfThumbnail(doc, size, context)
+                doc.isPDF() -> pdfThumbnail(doc, size, context)
                 else -> null
             }
         } else null
diff --git a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManMimeType.kt b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManMimeType.kt
index df581f1..7438df8 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManMimeType.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManMimeType.kt
@@ -77,7 +77,7 @@ class DocManMimeType {
                         cursor.getString(cursor.getColumnIndexOrThrow(column))
                     } else null
                 }
-            } catch (e: Exception) {
+            } catch (_: Exception) {
                 null
             }
         }
@@ -87,7 +87,7 @@ class DocManMimeType {
             return try {
                 retriever.setDataSource(context, uri)
                 retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_MIMETYPE)
-            } catch (e: Exception) {
+            } catch (_: Exception) {
                 null
             } finally {
                 retriever.release()
diff --git a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManProviderSettings.kt b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManProviderSettings.kt
index 3ce6834..d3d4327 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManProviderSettings.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManProviderSettings.kt
@@ -14,11 +14,11 @@ data class DirectoryFlags(
 ) {
     companion object {
         fun fromJson(resultMap: Map<String, Any?>?): DirectoryFlags = DirectoryFlags(
-            create = resultMap?.get("create") as? Boolean ?: true,
-            delete = resultMap?.get("delete") as? Boolean ?: true,
-            move = resultMap?.get("move") as? Boolean ?: true,
-            rename = resultMap?.get("rename") as? Boolean ?: true,
-            copy = resultMap?.get("copy") as? Boolean ?: true,
+            create = resultMap?.get("create") as? Boolean != false,
+            delete = resultMap?.get("delete") as? Boolean != false,
+            move = resultMap?.get("move") as? Boolean != false,
+            rename = resultMap?.get("rename") as? Boolean != false,
+            copy = resultMap?.get("copy") as? Boolean != false,
         )
     }
 }
@@ -33,12 +33,12 @@ data class FileFlags(
 ) {
     companion object {
         fun fromJson(resultMap: Map<String, Any?>?): FileFlags = FileFlags(
-            write = resultMap?.get("write") as? Boolean ?: true,
-            delete = resultMap?.get("delete") as? Boolean ?: true,
-            move = resultMap?.get("move") as? Boolean ?: true,
-            rename = resultMap?.get("rename") as? Boolean ?: true,
-            copy = resultMap?.get("copy") as? Boolean ?: true,
-            thumbnail = resultMap?.get("thumbnail") as? Boolean ?: true,
+            write = resultMap?.get("write") as? Boolean != false,
+            delete = resultMap?.get("delete") as? Boolean != false,
+            move = resultMap?.get("move") as? Boolean != false,
+            rename = resultMap?.get("rename") as? Boolean != false,
+            copy = resultMap?.get("copy") as? Boolean != false,
+            thumbnail = resultMap?.get("thumbnail") as? Boolean != false,
         )
     }
 }
@@ -79,9 +79,9 @@ class DocManProviderSettings(
                 providerName = map["providerName"] as? String,
                 providerSubtitle = map["providerSubtitle"] as? String,
                 mimeTypes = mimeTypes,
-                showInSystemUI = map["showInSystemUI"] as? Boolean ?: true,
-                supportRecent = map["supportRecent"] as? Boolean ?: true,
-                supportSearch = map["supportSearch"] as? Boolean ?: true,
+                showInSystemUI = map["showInSystemUI"] as? Boolean != false,
+                supportRecent = map["supportRecent"] as? Boolean != false,
+                supportSearch = map["supportSearch"] as? Boolean != false,
                 maxRecentFiles = map["maxRecentFiles"] as? Int ?: 15,
                 maxSearchResults = map["maxSearchResults"] as? Int ?: 10,
                 directoryFlags = dirFlags,
diff --git a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManQueueManager.kt b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManQueueManager.kt
index e2f7c3e..9c18cee 100644
--- a/android/src/main/kotlin/devdf/plugins/docman/utils/DocManQueueManager.kt
+++ b/android/src/main/kotlin/devdf/plugins/docman/utils/DocManQueueManager.kt
@@ -5,7 +5,8 @@ import devdf.plugins.docman.extensions.alreadyRunning
 
 /** Queue for the method calls, and manages the method calls in it. */
 class DocManQueueManager {
-    val queue: MutableMap<Int, MethodBase> = mutableMapOf()
+    /** The queue used for all methods for activity channel,  */
+    val queue: MutableMap<String, MethodBase> = mutableMapOf()
 
     /** Adds method to the queue with validation.
      * If the method is already in the queue, set result as error,
@@ -33,7 +34,7 @@ class DocManQueueManager {
      * @param result Any data to send as result.
      * @return true if the method call is removed from the queue, false otherwise.
      */
-    fun finishWithSuccess(requestCode: Int, result: Any?): Boolean {
+    fun finishWithSuccess(requestCode: String, result: Any?): Boolean {
         //1. Send the result
         method(requestCode)?.result?.success(result)
         //2. Remove the method call from the queue
@@ -51,7 +52,7 @@ class DocManQueueManager {
      * @return true if the method call is removed from the queue, false otherwise.
      */
     fun finishWithError(
-        request: Int,
+        request: String,
         code: String,
         message: String?,
         details: Any?
@@ -71,7 +72,7 @@ class DocManQueueManager {
      * It's `ordinal` from the `DocManMethod` enum.
      * @return true if the method call is removed from the queue, false otherwise.
      */
-    fun finishNotImplemented(requestCode: Int): Boolean {
+    fun finishNotImplemented(requestCode: String): Boolean {
         //1. Send the error
         method(requestCode)?.result?.notImplemented()
         //2. Remove the method call from the queue
@@ -85,7 +86,7 @@ class DocManQueueManager {
      * It's `ordinal` from the `DocManMethod` enum.
      * @return  The method that was removed from the queue.
      */
-    fun remove(requestCode: Int): MethodBase? =
+    fun remove(requestCode: String): MethodBase? =
         queue.remove(requestCode)
 
     /** Get the method call from the queue with the [requestCode]
@@ -94,7 +95,7 @@ class DocManQueueManager {
      * It's `ordinal` from the `DocManMethod` enum.
      * @return The method call.
      * */
-    fun method(requestCode: Int): MethodBase? = queue[requestCode]
+    fun method(requestCode: String): MethodBase? = queue[requestCode]
 
     /** Get the method call from the queue with the [requestCode]
      *
@@ -102,7 +103,7 @@ class DocManQueueManager {
      * It's `ordinal` from the `DocManMethod` enum.
      * @return The method call casted to the [T] type.
      * */
-    inline fun <reified T : MethodBase> methodCast(requestCode: Int): T? {
+    inline fun <reified T : MethodBase> methodCast(requestCode: String): T? {
         return queue[requestCode] as? T
     }
 }
\ No newline at end of file
diff --git a/example/pubspec.lock b/example/pubspec.lock
index a7d5b5f..02afb87 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -125,10 +125,10 @@ packages:
     dependency: transitive
     description:
       name: lints
-      sha256: "3315600f3fb3b135be672bf4a178c55f274bebe368325ae18462c89ac1e3b413"
+      sha256: c35bb79562d980e9a453fc715854e1ed39e24e7d0297a880ef54e17f9874a9d7
       url: "https://pub.dev"
     source: hosted
-    version: "5.0.0"
+    version: "5.1.1"
   matcher:
     dependency: transitive
     description:
@@ -271,5 +271,5 @@ packages:
     source: hosted
     version: "3.0.4"
 sdks:
-  dart: ">=3.5.2 <4.0.0"
+  dart: ">=3.6.0 <4.0.0"
   flutter: ">=3.18.0-18.0.pre.54"
diff --git a/lib/src/data/document_thumbnail.dart b/lib/src/data/document_thumbnail.dart
index 166fd4f..aae2ebf 100644
--- a/lib/src/data/document_thumbnail.dart
+++ b/lib/src/data/document_thumbnail.dart
@@ -30,6 +30,8 @@ class DocumentThumbnail {
         height: map['height'] as int,
       );
 
+  //TODO get thumbnail directly from filePath or Uri
+
   /// Converts the instance to a map.
   Map<String, dynamic> toMap() => <String, dynamic>{
         'bytes': bytes,
@@ -39,7 +41,7 @@ class DocumentThumbnail {
 
   @override
   String toString() =>
-      'DocumentThumbnail(bytes: $bytes, width: $width, height: $height)';
+      'DocumentThumbnail(bytes: ${bytes.length}, width: $width, height: $height)';
 
   @override
   bool operator ==(Object other) {