diff --git a/demo-snippets/platforms/android/cpp/DocumentDetector.cpp b/demo-snippets/platforms/android/cpp/DocumentDetector.cpp
index cff0c27..4995364 100644
--- a/demo-snippets/platforms/android/cpp/DocumentDetector.cpp
+++ b/demo-snippets/platforms/android/cpp/DocumentDetector.cpp
@@ -78,7 +78,7 @@ vector<vector<cv::Point>> DocumentDetector::scanPoint(Mat &edged) {
     double height;
     Mat image = resizeImage();
     // convert photo to LUV colorspace to avoid glares caused by lights
-    cvtColor(image, image, COLOR_BGR2Luv);
+    cvtColor(image, image, COLOR_BGR2GRAY);
     if (imageRotation != 0) {
         switch (imageRotation) {
             case 90:
diff --git a/demo-snippets/platforms/ios/src/DocumentDetector.cpp b/demo-snippets/platforms/ios/src/DocumentDetector.cpp
index cff0c27..4995364 100644
--- a/demo-snippets/platforms/ios/src/DocumentDetector.cpp
+++ b/demo-snippets/platforms/ios/src/DocumentDetector.cpp
@@ -78,7 +78,7 @@ vector<vector<cv::Point>> DocumentDetector::scanPoint(Mat &edged) {
     double height;
     Mat image = resizeImage();
     // convert photo to LUV colorspace to avoid glares caused by lights
-    cvtColor(image, image, COLOR_BGR2Luv);
+    cvtColor(image, image, COLOR_BGR2GRAY);
     if (imageRotation != 0) {
         switch (imageRotation) {
             case 90:
diff --git a/packages/ui-cameraview/platforms/android/AndroidManifest.xml b/packages/ui-cameraview/platforms/android/AndroidManifest.xml
index 4413277..c9b6129 100644
--- a/packages/ui-cameraview/platforms/android/AndroidManifest.xml
+++ b/packages/ui-cameraview/platforms/android/AndroidManifest.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"  package="com.nativescript.cameraview">
-
+    <uses-permission android:name="android.permission.CAMERA" />
 </manifest>
\ No newline at end of file
diff --git a/packages/ui-cameraview/platforms/android/native-api-usage.json b/packages/ui-cameraview/platforms/android/native-api-usage.json
index 343a099..b8d54f9 100644
--- a/packages/ui-cameraview/platforms/android/native-api-usage.json
+++ b/packages/ui-cameraview/platforms/android/native-api-usage.json
@@ -1,8 +1,8 @@
 {
     "uses": [
-        "com.akylas.cameraview.ImageAnalysisCallback",
-        "com.akylas.cameraview.CameraEventListener",
-        "com.akylas.cameraview.CameraView",
-        "com.akylas.cameraview.CameraFlashMode"
+        "com.akylas.cameraview:ImageAnalysisCallback",
+        "com.akylas.cameraview:CameraEventListener",
+        "com.akylas.cameraview:CameraView",
+        "com.akylas.cameraview:CameraFlashMode"
     ]
 }
\ No newline at end of file
diff --git a/src/ui-cameraview/index.android.ts b/src/ui-cameraview/index.android.ts
index ff1605e..c2248ec 100644
--- a/src/ui-cameraview/index.android.ts
+++ b/src/ui-cameraview/index.android.ts
@@ -77,7 +77,7 @@ export class CameraView extends CameraViewBase {
                     try {
                         this.notify({ eventName: 'frame', object: this, image, info, processor });
                     } catch (err) {
-                        console.log('process error', err, err.stack);
+                        console.error('process error', err, err.stack);
                     }
                 }
             });
@@ -153,12 +153,10 @@ export class CameraView extends CameraViewBase {
         return new Promise((resolve, reject) => {
             const myListener = {
                 onCameraPhoto: (file) => {
-                    console.log('onCameraPhoto', file);
                     removeListener();
                     resolve(file);
                 },
                 onCameraPhotoImage: (image, info, processor) => {
-                    console.log('onCameraPhotoImage', image, info, processor);
                     removeListener();
                     resolve({ image, info, processor });
                 },
diff --git a/src/ui-cameraview/index.d.ts b/src/ui-cameraview/index.d.ts
index 24887b5..b0f7dbe 100644
--- a/src/ui-cameraview/index.d.ts
+++ b/src/ui-cameraview/index.d.ts
@@ -1,3 +1,23 @@
 import { GridLayout } from '@nativescript/core';
 
-export class CameraView extends GridLayout {}
+export class CameraView extends GridLayout {
+    autoFocus: boolean;
+    processor;
+    enablePinchZoom: boolean;
+    saveToGallery: boolean;
+    flashMode: string;
+    stopPreview();
+    startPreview();
+    toggleCamera();
+    takePicture(
+        options: {
+            savePhotoToDisk?: boolean;
+            captureMode?: number;
+            targetRotation?: number;
+            flashMode?: number;
+            pictureSize?: { width: number; height: number };
+        } = {}
+    ): Promise<any>;
+    startAutoFocus();
+    focusAtPoint(x, y);
+}
diff --git a/src/ui-cameraview/index.ios.ts b/src/ui-cameraview/index.ios.ts
index b7049e9..dcc0d80 100644
--- a/src/ui-cameraview/index.ios.ts
+++ b/src/ui-cameraview/index.ios.ts
@@ -108,6 +108,20 @@ export class CameraView extends CameraViewBase {
         this.previewStarted = false;
         this.nativeViewProtected?.stopPreview();
     }
+    focusAtPoint(x, y) {
+        this.nativeViewProtected?.nextLevel?.focusAtAdjustedPointOfInterest(CGPointMake(x, y));
+    }
+    async takePicture(
+        options: {
+            savePhotoToDisk?: boolean;
+            captureMode?: number;
+            targetRotation?: number;
+            flashMode?: number;
+            pictureSize?: { width: number; height: number };
+        } = {}
+    ) {
+        throw new Error('not implemented');
+    }
 
     [flashModeProperty.setNative](value: string | number) {
         if (typeof value === 'string') {