add "filename" and "title" property of Medium

android/src/main/kotlin/com/morbit/photogallery/PhotoGalleryPlugin.kt

@@ -56,6 +56,8 @@ class PhotoGalleryPlugin : FlutterPlugin, MethodCallHandler {
 
         val imageMetadataProjection = arrayOf(
             MediaStore.Images.Media._ID,
+            MediaStore.Images.Media.DISPLAY_NAME,
+            MediaStore.Images.Media.TITLE,
             MediaStore.Images.Media.WIDTH,
             MediaStore.Images.Media.HEIGHT,
             MediaStore.Images.Media.ORIENTATION,
@@ -66,6 +68,8 @@ class PhotoGalleryPlugin : FlutterPlugin, MethodCallHandler {
 
         val videoMetadataProjection = arrayOf(
             MediaStore.Video.Media._ID,
+            MediaStore.Video.Media.DISPLAY_NAME,
+            MediaStore.Video.Media.TITLE,
             MediaStore.Video.Media.WIDTH,
             MediaStore.Video.Media.HEIGHT,
             MediaStore.Video.Media.ORIENTATION,
@@ -797,6 +801,8 @@ class PhotoGalleryPlugin : FlutterPlugin, MethodCallHandler {
 
     private fun getImageMetadata(cursor: Cursor): Map<String, Any?> {
         val idColumn = cursor.getColumnIndex(MediaStore.Images.Media._ID)
+        val filenameColumn = cursor.getColumnIndex(MediaStore.Images.Media.DISPLAY_NAME)
+        val titleColumn = cursor.getColumnIndex(MediaStore.Images.Media.TITLE)
         val widthColumn = cursor.getColumnIndex(MediaStore.Images.Media.WIDTH)
         val heightColumn = cursor.getColumnIndex(MediaStore.Images.Media.HEIGHT)
         val orientationColumn = cursor.getColumnIndex(MediaStore.Images.Media.ORIENTATION)
@@ -805,6 +811,8 @@ class PhotoGalleryPlugin : FlutterPlugin, MethodCallHandler {
         val dateModifiedColumn = cursor.getColumnIndex(MediaStore.Images.Media.DATE_MODIFIED)
 
         val id = cursor.getLong(idColumn)
+        val filename = cursor.getString(filenameColumn)
+        val title = cursor.getString(titleColumn)
         val width = cursor.getLong(widthColumn)
         val height = cursor.getLong(heightColumn)
         val orientation = cursor.getLong(orientationColumn)
@@ -820,6 +828,8 @@ class PhotoGalleryPlugin : FlutterPlugin, MethodCallHandler {
 
         return mapOf(
             "id" to id.toString(),
+            "filename" to filename,
+            "title" to title,
             "mediumType" to imageType,
             "width" to width,
             "height" to height,
@@ -832,6 +842,8 @@ class PhotoGalleryPlugin : FlutterPlugin, MethodCallHandler {
 
     private fun getVideoMetadata(cursor: Cursor): Map<String, Any?> {
         val idColumn = cursor.getColumnIndex(MediaStore.Video.Media._ID)
+        val filenameColumn = cursor.getColumnIndex(MediaStore.Video.Media.DISPLAY_NAME)
+        val titleColumn = cursor.getColumnIndex(MediaStore.Video.Media.TITLE)
         val widthColumn = cursor.getColumnIndex(MediaStore.Video.Media.WIDTH)
         val heightColumn = cursor.getColumnIndex(MediaStore.Video.Media.HEIGHT)
         val orientationColumn = cursor.getColumnIndex(MediaStore.Video.Media.ORIENTATION)
@@ -841,6 +853,8 @@ class PhotoGalleryPlugin : FlutterPlugin, MethodCallHandler {
         val dateModifiedColumn = cursor.getColumnIndex(MediaStore.Video.Media.DATE_MODIFIED)
 
         val id = cursor.getLong(idColumn)
+        val filename = cursor.getString(filenameColumn)
+        val title = cursor.getString(titleColumn)
         val width = cursor.getLong(widthColumn)
         val height = cursor.getLong(heightColumn)
         val orientation = cursor.getLong(orientationColumn)
@@ -857,6 +871,8 @@ class PhotoGalleryPlugin : FlutterPlugin, MethodCallHandler {
 
         return mapOf(
             "id" to id.toString(),
+            "filename" to filename,
+            "title" to title,
             "mediumType" to videoType,
             "width" to width,
             "orientation" to orientationDegree2Value(orientation),

ios/Classes/SwiftPhotoGalleryPlugin.swift

@@ -416,8 +416,11 @@ public class SwiftPhotoGalleryPlugin: NSObject, FlutterPlugin {
 
   private func getMediumFromAsset(asset: PHAsset) -> [String: Any?] {
     let mimeType = self.extractMimeTypeFromAsset(asset: asset)
+    let filename = self.extractFilenameFromAsset(asset: asset)
     return [
       "id": asset.localIdentifier,
+      "filename": filename,
+      "title": self.extractTitleFromFilename(filename: filename),
       "mediumType": toDartMediumType(value: asset.mediaType),
       "mimeType": mimeType,
       "height": asset.pixelHeight,
@@ -430,6 +433,7 @@ public class SwiftPhotoGalleryPlugin: NSObject, FlutterPlugin {
   
   private func getMediumFromAssetAsync(asset: PHAsset, completion: @escaping ([String : Any?]?, Error?) -> Void) -> Void {
     let mimeType = self.extractMimeTypeFromAsset(asset: asset)
+    let filename = self.extractFilenameFromAsset(asset: asset)
     let manager = PHImageManager.default()
     manager.requestImageData(
       for: asset,
@@ -437,6 +441,8 @@ public class SwiftPhotoGalleryPlugin: NSObject, FlutterPlugin {
       resultHandler: { (data: Data?, uti: String?, orientation: UIImage.Orientation, info: ([AnyHashable: Any]?)) -> Void in
         completion([
           "id": asset.localIdentifier,
+          "filename": filename,
+          "title": self.extractTitleFromFilename(filename: filename),
           "mediumType": self.toDartMediumType(value: asset.mediaType),
           "mimeType": mimeType,
           "height": asset.pixelHeight,
@@ -551,6 +557,23 @@ public class SwiftPhotoGalleryPlugin: NSObject, FlutterPlugin {
     return self.extractMimeTypeFromUTI(uti: uti)
   }
   
+  private func extractFilenameFromAsset(asset: PHAsset) -> String? {
+    if #available(iOS 9.0, *) {
+      let resources = PHAssetResource.assetResources(for: asset)
+      if let resource = resources.first {
+        return resource.originalFilename
+      }
+    }
+    return asset.value(forKey: "filename") as? String
+  }
+  
+  private func extractTitleFromFilename(filename: String?) -> String? {
+    if let name = filename {
+      return (name as NSString).deletingPathExtension
+    }
+    return nil
+  }
+  
   private func cachePath() -> URL {
     let paths = FileManager.default.urls(for: .cachesDirectory, in: .userDomainMask)
     let cacheFolder = paths[0].appendingPathComponent("photo_gallery")

lib/src/models/medium.dart

@@ -8,6 +8,12 @@ class Medium {
   /// A unique identifier for the medium.
   final String id;
 
+  /// The medium filename.
+  final String? filename;
+
+  /// The medium title
+  final String? title;
+
   /// The medium type.
   final MediumType? mediumType;
 
@@ -34,6 +40,8 @@ class Medium {
 
   Medium({
     required this.id,
+    this.filename,
+    this.title,
     this.mediumType,
     this.width,
     this.height,
@@ -47,6 +55,8 @@ class Medium {
   /// Creates a medium from platform channel protocol.
   Medium.fromJson(dynamic json)
       : id = json["id"],
+        filename = json["filename"],
+        title = json["title"],
         mediumType = jsonToMediumType(json["mediumType"]),
         width = json["width"],
         height = json["height"],
@@ -63,6 +73,8 @@ class Medium {
   static Medium fromMap(Map map) {
     return Medium(
       id: map['id'],
+      filename: map['filename'],
+      title: map['title'],
       mediumType: jsonToMediumType(map['mediumType']),
       width: map['width'],
       height: map['height'],
@@ -76,6 +88,8 @@ class Medium {
   Map toMap() {
     return {
       "id": this.id,
+      "filename": this.filename,
+      "title": this.title,
       "mediumType": mediumTypeToJson(this.mediumType),
       "height": this.height,
       "orientation": this.orientation,
@@ -115,6 +129,8 @@ class Medium {
       other is Medium &&
           runtimeType == other.runtimeType &&
           id == other.id &&
+          filename == other.filename &&
+          title == other.title &&
           mediumType == other.mediumType &&
           width == other.width &&
           height == other.height &&
@@ -126,6 +142,8 @@ class Medium {
   @override
   int get hashCode =>
       id.hashCode ^
+      filename.hashCode ^
+      title.hashCode ^
       mediumType.hashCode ^
       width.hashCode ^
       height.hashCode ^
@@ -137,6 +155,8 @@ class Medium {
   @override
   String toString() {
     return 'Medium{id: $id, '
+        'filename: $filename, '
+        'title: $title, '
         'mediumType: $mediumType, '
         'width: $width, '
         'height: $height, '