diff --git a/android/src/main/java/com/azihsoyn/flutter/mlkit/MlkitPlugin.java b/android/src/main/java/com/azihsoyn/flutter/mlkit/MlkitPlugin.java
index 44b60ab..af647f9 100644
--- a/android/src/main/java/com/azihsoyn/flutter/mlkit/MlkitPlugin.java
+++ b/android/src/main/java/com/azihsoyn/flutter/mlkit/MlkitPlugin.java
@@ -111,6 +111,42 @@ public void onFailure(@NonNull Exception e) {
         Log.e("error", e.getMessage());
         return;
       }
+    } else if (call.method.equals("FirebaseVisionTextDetector#detectFromBytes")) {
+      byte[] bytes = call.argument("bytes");
+      int width = call.argument("width");
+      int height = call.argument("height");
+      try {
+        Bitmap bmp = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
+        FirebaseVisionImageMetadata meta = new FirebaseVisionImageMetadata.Builder()
+                .setWidth(width)
+                .setHeight(height)
+                .setFormat(FirebaseVisionImageMetadata.IMAGE_FORMAT_YV12)
+                //.setRotation(rotation)
+                .build();
+        FirebaseVisionImage image = FirebaseVisionImage.fromByteArray(bytes, meta);
+        //FirebaseVisionImage image = FirebaseVisionImage.fromBitmap(bmp);
+        FirebaseVisionTextDetector detector = FirebaseVision.getInstance()
+                .getVisionTextDetector();
+        detector.detectInImage(image)
+                .addOnSuccessListener(
+                        new OnSuccessListener<FirebaseVisionText>() {
+                          @Override
+                          public void onSuccess(FirebaseVisionText texts) {
+                            result.success(processTextRecognitionResult(texts));
+                          }
+                        })
+                .addOnFailureListener(
+                        new OnFailureListener() {
+                          @Override
+                          public void onFailure(@NonNull Exception e) {
+                            // Task failed with an exception
+                            e.printStackTrace();
+                          }
+                        });
+      } catch (Exception e) {
+        Log.e("error", e.getMessage());
+        return;
+      }
     } else {
       result.notImplemented();
     }
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index 3545a5e..8fea1a7 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -24,7 +24,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.azihsoyn.flutter.mlkitexample"
-        minSdkVersion 16
+        minSdkVersion 21
         targetSdkVersion 27
         versionCode 1
         versionName "1.0"
diff --git a/example/lib/main.dart b/example/lib/main.dart
index abeea70..6ccea6a 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -1,17 +1,43 @@
 import 'dart:async';
 import 'dart:io';
+import 'dart:typed_data';
+import 'dart:ui' as ui;
 
+import 'package:camera/camera.dart';
 import 'package:flutter/material.dart';
-import 'package:image_picker/image_picker.dart';
+import 'package:flutter/rendering.dart';
 import 'package:mlkit/mlkit.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:video_player/video_player.dart';
 
-void main() => runApp(new MyApp());
+Future<Null> main() async {
+  // Fetch the available cameras before initializing the app.
+  try {
+    cameras = await availableCameras();
+  } on CameraException catch (e) {
+    print("${e.code}, ${e.description}");
+  }
+  runApp(MyApp());
+}
 
 class MyApp extends StatefulWidget {
   @override
   _MyAppState createState() => new _MyAppState();
 }
 
+/// Returns a suitable camera icon for [direction].
+IconData getCameraLensIcon(CameraLensDirection direction) {
+  switch (direction) {
+    case CameraLensDirection.back:
+      return Icons.camera_rear;
+    case CameraLensDirection.front:
+      return Icons.camera_front;
+    case CameraLensDirection.external:
+      return Icons.camera;
+  }
+  throw new ArgumentError('Unknown lens direction');
+}
+
 class _MyAppState extends State<MyApp> {
   File _file;
   List<VisionText> _currentLabels = <VisionText>[];
@@ -23,6 +49,30 @@ class _MyAppState extends State<MyApp> {
     super.initState();
   }
 
+  GlobalKey globalKey = new GlobalKey();
+  Future<void> _capturePng() async {
+    print("piyo1");
+    try {
+      RenderRepaintBoundary boundary =
+          globalKey.currentContext.findRenderObject();
+      print("piyo2");
+      ui.Image image = await boundary.toImage();
+      print("piyo3");
+      ByteData byteData =
+          await image.toByteData(format: ui.ImageByteFormat.rawRgba);
+      print("piyo4");
+
+      Uint8List pngBytes = byteData.buffer.asUint8List();
+      print("piyo5");
+      print(pngBytes);
+      print("piyo6");
+      await detector.detectFromBuffer(pngBytes, image.height, image.width);
+      print("piyo7");
+    } catch (e) {
+      print("piyo error ${e.toString()}");
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return new MaterialApp(
@@ -30,25 +80,22 @@ class _MyAppState extends State<MyApp> {
         appBar: new AppBar(
           title: new Text('Plugin example app'),
         ),
-        body: _buildBody(),
+        body: RepaintBoundary(key: globalKey, child: CameraExampleHome()),
         floatingActionButton: new FloatingActionButton(
           onPressed: () async {
             try {
+              print("fuga1");
               //var file = await ImagePicker.pickImage(source: ImageSource.camera);
-              var file =
-                  await ImagePicker.pickImage(source: ImageSource.gallery);
-              setState(() {
-                _file = file;
-              });
               try {
-                var currentLabels = await detector.detectFromPath(_file?.path);
-                setState(() {
-                  _currentLabels = currentLabels;
-                });
+                print("fuga2");
+                _capturePng();
+                print("fuga3");
               } catch (e) {
+                print("fuga4");
                 print(e.toString());
               }
             } catch (e) {
+              print("fuga5");
               print(e.toString());
             }
           },
@@ -126,6 +173,366 @@ class _MyAppState extends State<MyApp> {
   }
 }
 
+class CameraExampleHome extends StatefulWidget {
+  @override
+  _CameraExampleHomeState createState() {
+    return new _CameraExampleHomeState();
+  }
+}
+
+class _CameraExampleHomeState extends State<CameraExampleHome> {
+  CameraController controller;
+  String imagePath;
+  String videoPath;
+  VideoPlayerController videoController;
+  VoidCallback videoPlayerListener;
+
+  final GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
+
+  @override
+  Widget build(BuildContext context) {
+    return new Scaffold(
+      key: _scaffoldKey,
+      appBar: new AppBar(
+        title: const Text('Camera example'),
+      ),
+      body: new Column(
+        children: <Widget>[
+          new Expanded(
+            child: new Container(
+              child: new Padding(
+                padding: const EdgeInsets.all(1.0),
+                child: new Center(
+                  child: _cameraPreviewWidget(),
+                ),
+              ),
+              decoration: new BoxDecoration(
+                color: Colors.black,
+                border: new Border.all(
+                  color: controller != null && controller.value.isRecordingVideo
+                      ? Colors.redAccent
+                      : Colors.grey,
+                  width: 3.0,
+                ),
+              ),
+            ),
+          ),
+          _captureControlRowWidget(),
+          new Padding(
+            padding: const EdgeInsets.all(5.0),
+            child: new Row(
+              mainAxisAlignment: MainAxisAlignment.start,
+              children: <Widget>[
+                _cameraTogglesRowWidget(),
+                _thumbnailWidget(),
+              ],
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  /// Display the preview from the camera (or a message if the preview is not available).
+  Widget _cameraPreviewWidget() {
+    if (controller == null || !controller.value.isInitialized) {
+      return const Text(
+        'Tap a camera',
+        style: const TextStyle(
+          color: Colors.white,
+          fontSize: 24.0,
+          fontWeight: FontWeight.w900,
+        ),
+      );
+    } else {
+      return new AspectRatio(
+        aspectRatio: controller.value.aspectRatio,
+        child: new CameraPreview(controller),
+      );
+    }
+  }
+
+  /// Display the thumbnail of the captured image or video.
+  Widget _thumbnailWidget() {
+    return new Expanded(
+      child: new Align(
+        alignment: Alignment.centerRight,
+        child: videoController == null && imagePath == null
+            ? null
+            : new SizedBox(
+                child: (videoController == null)
+                    ? new Image.file(new File(imagePath))
+                    : new Container(
+                        child: new Center(
+                          child: new AspectRatio(
+                              aspectRatio: videoController.value.size != null
+                                  ? videoController.value.aspectRatio
+                                  : 1.0,
+                              child: new VideoPlayer(videoController)),
+                        ),
+                        decoration: new BoxDecoration(
+                            border: new Border.all(color: Colors.pink)),
+                      ),
+                width: 64.0,
+                height: 64.0,
+              ),
+      ),
+    );
+  }
+
+  /// Display the control bar with buttons to take pictures and record videos.
+  Widget _captureControlRowWidget() {
+    return new Row(
+      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
+      mainAxisSize: MainAxisSize.max,
+      children: <Widget>[
+        new IconButton(
+          icon: const Icon(Icons.camera_alt),
+          color: Colors.blue,
+          onPressed: controller != null &&
+                  controller.value.isInitialized &&
+                  !controller.value.isRecordingVideo
+              ? onTakePictureButtonPressed
+              : null,
+        ),
+        new IconButton(
+          icon: const Icon(Icons.videocam),
+          color: Colors.blue,
+          onPressed: controller != null &&
+                  controller.value.isInitialized &&
+                  !controller.value.isRecordingVideo
+              ? onVideoRecordButtonPressed
+              : null,
+        ),
+        new IconButton(
+          icon: const Icon(Icons.stop),
+          color: Colors.red,
+          onPressed: controller != null &&
+                  controller.value.isInitialized &&
+                  controller.value.isRecordingVideo
+              ? onStopButtonPressed
+              : null,
+        )
+      ],
+    );
+  }
+
+  /// Display a row of toggle to select the camera (or a message if no camera is available).
+  Widget _cameraTogglesRowWidget() {
+    final List<Widget> toggles = <Widget>[];
+
+    if (cameras.isEmpty) {
+      return const Text('No camera found');
+    } else {
+      for (CameraDescription cameraDescription in cameras) {
+        toggles.add(
+          new SizedBox(
+            width: 90.0,
+            child: new RadioListTile<CameraDescription>(
+              title:
+                  new Icon(getCameraLensIcon(cameraDescription.lensDirection)),
+              groupValue: controller?.description,
+              value: cameraDescription,
+              onChanged: controller != null && controller.value.isRecordingVideo
+                  ? null
+                  : onNewCameraSelected,
+            ),
+          ),
+        );
+      }
+    }
+
+    return new Row(children: toggles);
+  }
+
+  String timestamp() => new DateTime.now().millisecondsSinceEpoch.toString();
+
+  void showInSnackBar(String message) {
+    _scaffoldKey.currentState
+        .showSnackBar(new SnackBar(content: new Text(message)));
+  }
+
+  void onNewCameraSelected(CameraDescription cameraDescription) async {
+    if (controller != null) {
+      await controller.dispose();
+    }
+    controller = new CameraController(cameraDescription, ResolutionPreset.high);
+
+    // If the controller is updated then update the UI.
+    controller.addListener(() {
+      if (mounted) setState(() {});
+      if (controller.value.hasError) {
+        showInSnackBar('Camera error ${controller.value.errorDescription}');
+      }
+    });
+
+    try {
+      await controller.initialize();
+    } on CameraException catch (e) {
+      _showCameraException(e);
+    }
+
+    if (mounted) {
+      setState(() {});
+    }
+  }
+
+  void onTakePictureButtonPressed() {
+    takePicture().then((String filePath) {
+      if (mounted) {
+        setState(() {
+          imagePath = filePath;
+          videoController?.dispose();
+          videoController = null;
+        });
+        if (filePath != null) showInSnackBar('Picture saved to $filePath');
+      }
+    });
+  }
+
+  void onVideoRecordButtonPressed() {
+    startVideoRecording().then((String filePath) {
+      if (mounted) setState(() {});
+      if (filePath != null) showInSnackBar('Saving video to $filePath');
+    });
+  }
+
+  void onStopButtonPressed() {
+    stopVideoRecording().then((_) {
+      if (mounted) setState(() {});
+      showInSnackBar('Video recorded to: $videoPath');
+    });
+  }
+
+  Future<String> startVideoRecording() async {
+    if (!controller.value.isInitialized) {
+      showInSnackBar('Error: select a camera first.');
+      return null;
+    }
+
+    final Directory extDir = await getApplicationDocumentsDirectory();
+    final String dirPath = '${extDir.path}/Movies/flutter_test';
+    await new Directory(dirPath).create(recursive: true);
+    final String filePath = '$dirPath/${timestamp()}.mp4';
+
+    if (controller.value.isRecordingVideo) {
+      // A recording is already started, do nothing.
+      return null;
+    }
+
+    try {
+      videoPath = filePath;
+      await controller.startVideoRecording(filePath);
+    } on CameraException catch (e) {
+      _showCameraException(e);
+      return null;
+    }
+    return filePath;
+  }
+
+  Future<void> stopVideoRecording() async {
+    if (!controller.value.isRecordingVideo) {
+      return null;
+    }
+
+    try {
+      await controller.stopVideoRecording();
+    } on CameraException catch (e) {
+      _showCameraException(e);
+      return null;
+    }
+
+    await _startVideoPlayer();
+  }
+
+  Future<void> _startVideoPlayer() async {
+    final VideoPlayerController vcontroller =
+        new VideoPlayerController.file(new File(videoPath));
+    videoPlayerListener = () {
+      if (videoController != null && videoController.value.size != null) {
+        // Refreshing the state to update video player with the correct ratio.
+        if (mounted) setState(() {});
+        videoController.removeListener(videoPlayerListener);
+      }
+    };
+    vcontroller.addListener(videoPlayerListener);
+    await vcontroller.setLooping(true);
+    await vcontroller.initialize();
+    await videoController?.dispose();
+    if (mounted) {
+      setState(() {
+        imagePath = null;
+        videoController = vcontroller;
+      });
+    }
+    await vcontroller.play();
+  }
+
+  Future<String> takePicture() async {
+    if (!controller.value.isInitialized) {
+      showInSnackBar('Error: select a camera first.');
+      return null;
+    }
+    final Directory extDir = await getApplicationDocumentsDirectory();
+    final String dirPath = '${extDir.path}/Pictures/flutter_test';
+    await new Directory(dirPath).create(recursive: true);
+    final String filePath = '$dirPath/${timestamp()}.jpg';
+
+    if (controller.value.isTakingPicture) {
+      // A capture is already pending, do nothing.
+      return null;
+    }
+
+    try {
+      await controller.takePicture(filePath);
+    } on CameraException catch (e) {
+      _showCameraException(e);
+      return null;
+    }
+    return filePath;
+  }
+
+  void _showCameraException(CameraException e) {
+    print("${e.code}, ${e.description}");
+    showInSnackBar('Error: ${e.code}\n${e.description}');
+  }
+}
+
+class PngHome extends StatefulWidget {
+  PngHome({Key key}) : super(key: key);
+
+  @override
+  _PngHomeState createState() => new _PngHomeState();
+}
+
+class _PngHomeState extends State<PngHome> {
+  GlobalKey globalKey = new GlobalKey();
+
+  Future<void> _capturePng() async {
+    RenderRepaintBoundary boundary =
+        globalKey.currentContext.findRenderObject();
+    ui.Image image = await boundary.toImage();
+    ByteData byteData = await image.toByteData(format: ui.ImageByteFormat.png);
+    Uint8List pngBytes = byteData.buffer.asUint8List();
+    print(pngBytes);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return RepaintBoundary(
+      key: globalKey,
+      child: Center(
+        child: FlatButton(
+          child: Text('Hello World', textDirection: TextDirection.ltr),
+          onPressed: _capturePng,
+        ),
+      ),
+    );
+  }
+}
+
+List<CameraDescription> cameras;
+
 class TextDetectDecoration extends Decoration {
   final Size _originalImageSize;
   final List<VisionText> _texts;
diff --git a/example/pubspec.lock b/example/pubspec.lock
index bd8749f..b3e51e8 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -7,28 +7,21 @@ packages:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.31.1"
+    version: "0.31.2-alpha.2"
   args:
     dependency: transitive
     description:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.2"
+    version: "1.4.3"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.6"
-  barback:
-    dependency: transitive
-    description:
-      name: barback
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.15.2+15"
+    version: "2.0.7"
   boolean_selector:
     dependency: transitive
     description:
@@ -36,20 +29,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
-  charcode:
-    dependency: transitive
+  camera:
+    dependency: "direct main"
     description:
-      name: charcode
+      name: camera
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.1"
-  cli_util:
+    version: "0.2.1"
+  charcode:
     dependency: transitive
     description:
-      name: cli_util
+      name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.2+1"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
@@ -70,14 +63,14 @@ packages:
       name: crypto
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2+1"
+    version: "2.0.3"
   csslib:
     dependency: transitive
     description:
       name: csslib
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.14.1"
+    version: "0.14.4"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -101,7 +94,7 @@ packages:
       name: front_end
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.0-alpha.9"
+    version: "0.1.0-alpha.12"
   glob:
     dependency: transitive
     description:
@@ -136,7 +129,7 @@ packages:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.1"
+    version: "3.1.2"
   image_picker:
     dependency: "direct main"
     description:
@@ -151,13 +144,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.3.2+1"
-  isolate:
-    dependency: transitive
-    description:
-      name: isolate
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.0"
   js:
     dependency: transitive
     description:
@@ -171,7 +157,7 @@ packages:
       name: kernel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0-alpha.9"
+    version: "0.3.0-alpha.12"
   logging:
     dependency: transitive
     description:
@@ -185,14 +171,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.1+4"
+    version: "0.12.2+1"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
+    version: "1.1.5"
   mime:
     dependency: transitive
     description:
@@ -206,7 +192,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.0.1"
+    version: "0.2.2"
   multi_server_socket:
     dependency: transitive
     description:
@@ -220,7 +206,7 @@ packages:
       name: node_preamble
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.0"
+    version: "1.4.1"
   package_config:
     dependency: transitive
     description:
@@ -242,6 +228,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.5.1"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.0"
   plugin:
     dependency: transitive
     description:
@@ -262,7 +255,7 @@ packages:
       name: pub_semver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.6"
+    version: "1.4.1"
   quiver:
     dependency: transitive
     description:
@@ -276,7 +269,7 @@ packages:
       name: shelf
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.2"
+    version: "0.7.3"
   shelf_packages_handler:
     dependency: transitive
     description:
@@ -316,7 +309,7 @@ packages:
       name: source_maps
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.10.4"
+    version: "0.10.5"
   source_span:
     dependency: transitive
     description:
@@ -337,7 +330,7 @@ packages:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.4"
+    version: "1.6.6"
   string_scanner:
     dependency: transitive
     description:
@@ -358,7 +351,7 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.34"
+    version: "0.12.37"
   typed_data:
     dependency: transitive
     description:
@@ -380,6 +373,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.6"
+  video_player:
+    dependency: "direct main"
+    description:
+      name: video_player
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.5.2"
   watcher:
     dependency: transitive
     description:
@@ -402,5 +402,5 @@ packages:
     source: hosted
     version: "2.1.13"
 sdks:
-  dart: ">=2.0.0-dev.28.0 <=2.0.0-edge.c080951d45e79cd25df98036c4be835b284a269c"
-  flutter: ">=0.1.4 <2.0.0"
+  dart: ">=2.0.0-dev.52.0 <=2.0.0-dev.54.0.flutter-46ab040e58"
+  flutter: ">=0.2.5 <2.0.0"
diff --git a/example/pubspec.yaml b/example/pubspec.yaml
index 859d24c..5f7dde8 100644
--- a/example/pubspec.yaml
+++ b/example/pubspec.yaml
@@ -3,6 +3,9 @@ description: Demonstrates how to use the mlkit plugin.
 
 dependencies:
   image_picker: ^0.4.1
+  camera: ^0.2.1
+  path_provider: 0.3.0
+  video_player: "0.5.2"
   flutter:
     sdk: flutter
 
diff --git a/ios/Classes/MlkitPlugin.m b/ios/Classes/MlkitPlugin.m
index f4f9550..615a98e 100644
--- a/ios/Classes/MlkitPlugin.m
+++ b/ios/Classes/MlkitPlugin.m
@@ -26,11 +26,80 @@ - (instancetype)init {
 - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
     FIRVision *vision = [FIRVision vision];
     NSMutableArray *ret = [NSMutableArray array];
-    NSString *path = call.arguments[@"filepath"];
-    UIImage* uiImage = [UIImage imageWithContentsOfFile:path];
-    FIRVisionImage *image = [[FIRVisionImage alloc] initWithImage:uiImage];
+    
     
     if ([@"FirebaseVisionTextDetector#detectFromPath" isEqualToString:call.method]) {
+        NSString *path = call.arguments[@"filepath"];
+        UIImage* uiImage = [UIImage imageWithContentsOfFile:path];
+        FIRVisionImage *image = [[FIRVisionImage alloc] initWithImage:uiImage];
+        textDetector = [vision textDetector];
+        [textDetector detectInImage:image
+                         completion:^(NSArray<FIRVisionText *> *features,
+                                      NSError *error) {
+                             if (error != nil) {
+                                 [ret addObject:error.localizedDescription];
+                                 result(ret);
+                                 return;
+                             } else if (features != nil) {
+                                 // Recognized text
+                                 for (id <FIRVisionText> feature in features) {
+                                     // Blocks contain lines of text
+                                     if ([feature isKindOfClass:[FIRVisionTextBlock class]]) {
+                                         FIRVisionTextBlock *block = (FIRVisionTextBlock *)feature;
+                                         [ret addObject:visionTextBlockToDictionary(block)];
+                                     }
+                                     
+                                     // Lines contain text elements
+                                     else if ([feature isKindOfClass:[FIRVisionTextLine class]]) {
+                                         FIRVisionTextLine *line = (FIRVisionTextLine *)feature;
+                                         [ret addObject:visionTextLineToDictionary(line)];
+                                     }
+                                     
+                                     // Text elements are typically words
+                                     else if ([feature isKindOfClass:[FIRVisionTextElement class]]) {
+                                         FIRVisionTextElement *element = (FIRVisionTextElement *)feature;
+                                         [ret addObject:visionTextElementToDictionary(element)];
+                                     }
+                                     else {
+                                         [ret addObject:visionTextToDictionary(feature)];
+                                     }
+                                 }
+                             }
+                             result(ret);
+                             return;
+                         }];
+    } else if ([@"FirebaseVisionTextDetector#detectFromBytes" isEqualToString:call.method]) {
+        textDetector = [vision textDetector];
+        
+        //NSMutableArray *bytes = [NSMutableArray array];
+        const void * bytes = (__bridge const void *)(call.arguments[@"bytes"]);
+        
+        int size = call.arguments[@"length"];
+        NSData* data = [NSData dataWithBytes:bytes length:size];
+        //NSLog(data.base64Encoding);
+        
+        if (data == nil){
+            [ret addObject:@"data is nil!!!!!!!"];
+        }
+        UIImage* uiImage = [[UIImage alloc]initWithData:data];
+        if (uiImage == nil){
+            [ret addObject:@"uiImage is nil!!!!!!!"];
+        }
+        
+        FIRVisionImage *image;
+        @try {
+            
+            image = [[FIRVisionImage alloc] initWithImage:uiImage];
+            
+            [ret addObject:@"hge"];
+            result(ret);
+            return;
+        }
+        
+        @catch (NSException *exception) {
+            NSLog(@"[ERROR]\nstr[%@]\nexception[%@]", exception);
+        }
+        
         textDetector = [vision textDetector];
         [textDetector detectInImage:image
                          completion:^(NSArray<FIRVisionText *> *features,
@@ -68,6 +137,9 @@ - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
                              return;
                          }];
     } else if ([@"FirebaseVisionBarcodeDetector#detectFromPath" isEqualToString:call.method]) {
+        NSString *path = call.arguments[@"filepath"];
+        UIImage* uiImage = [UIImage imageWithContentsOfFile:path];
+        FIRVisionImage *image = [[FIRVisionImage alloc] initWithImage:uiImage];
         /*
          FIRVisionBarcodeDetectorOptions *options = [[FIRVisionBarcodeDetectorOptions alloc]
          initWithFormats: FIRVisionBarcodeFormatAll];
diff --git a/lib/mlkit.dart b/lib/mlkit.dart
index 20a25c3..6edfe74 100644
--- a/lib/mlkit.dart
+++ b/lib/mlkit.dart
@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:math';
+import 'dart:typed_data';
 import 'dart:ui';
 
 import 'package:flutter/services.dart';
@@ -83,6 +84,30 @@ class FirebaseVisionTextDetector {
     });
     return ret;
   }
+
+  Future<void> detectFromBuffer(Uint8List bytes, int width, int height) async {
+    print("hoge1");
+    try {
+      print("hoge2");
+      print("size : ${bytes.length}, width : ${width}, height : ${height}");
+      List<dynamic> ret = await _channel.invokeMethod(
+          "FirebaseVisionTextDetector#detectFromBytes", {
+        'bytes': bytes,
+        'length': bytes.length,
+        'width': width,
+        'height': height
+      });
+      ret.forEach((dynamic item) {
+        print(item);
+      });
+      print("ret : ${ret}");
+      print("hoge3");
+      return;
+    } catch (e) {
+      print("hoge5");
+      print(e.toString());
+    }
+  }
 }
 
 class FirebaseVisionBarcodeDetector {