Android Camera component

android/src/main/AndroidManifest.xml

@@ -1,3 +1,6 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
           package="com.wix.RNCameraKit">
+
+    <uses-permission android:name="android.permission.CAMERA" />
+
 </manifest>

android/src/main/java/com/wix/RNCameraKit/RNCameraKitPackage.java

@@ -5,6 +5,10 @@ import com.facebook.react.bridge.JavaScriptModule;
 import com.facebook.react.bridge.NativeModule;
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.uimanager.ViewManager;
+import com.wix.RNCameraKit.camera.CameraModule;
+import com.wix.RNCameraKit.camera.CameraViewManager;
+import com.wix.RNCameraKit.gallery.GalleryViewManager;
+import com.wix.RNCameraKit.gallery.NativeGalleryModule;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -16,6 +20,7 @@ public class RNCameraKitPackage implements ReactPackage {
   public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
       List<NativeModule> modules = new ArrayList<>();
       modules.add(new NativeGalleryModule(reactContext));
+      modules.add(new CameraModule(reactContext));
       return modules;
   }
 
@@ -28,6 +33,7 @@ public class RNCameraKitPackage implements ReactPackage {
   public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
       List<ViewManager> viewManagers = new ArrayList<>();
       viewManagers.add(new GalleryViewManager());
+      viewManagers.add(new CameraViewManager());
       return viewManagers;
   }
 

android/src/main/java/com/wix/RNCameraKit/camera/CameraModule.java

@@ -0,0 +1,104 @@
+package com.wix.RNCameraKit.camera;
+
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.hardware.Camera;
+import android.os.AsyncTask;
+import android.os.Environment;
+import android.provider.MediaStore;
+import android.util.Log;
+
+import com.facebook.react.bridge.Promise;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.bridge.ReactContextBaseJavaModule;
+import com.facebook.react.bridge.ReactMethod;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/**
+ * Created by yedidyak on 04/07/2016.
+ */
+public class CameraModule extends ReactContextBaseJavaModule {
+
+    public CameraModule(ReactApplicationContext reactContext) {
+        super(reactContext);
+    }
+
+    @Override
+    public String getName() {
+        return "CameraModule";
+    }
+
+    @ReactMethod
+    public void hasFrontCamera(Promise promise) {
+
+        int numCameras = Camera.getNumberOfCameras();
+        for (int i=0; i<numCameras; i++) {
+            Camera.CameraInfo info = new Camera.CameraInfo();
+            Camera.getCameraInfo(i, info);
+            if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
+                promise.resolve(true);
+                return;
+            }
+        }
+        promise.resolve(false);
+    }
+
+    @ReactMethod
+    public void hasFlashForCurrentCamera(Promise promise) {
+        Camera camera = CameraView.instance.getCamera();
+        promise.resolve(camera.getParameters().getSupportedFlashModes() != null);
+    }
+
+    @ReactMethod
+    public void changeCamera(Promise promise) {
+        promise.resolve(CameraView.instance.changeCamera());
+    }
+
+    @ReactMethod
+    public void setFlashMode(String mode, Promise promise) {
+        promise.resolve(CameraView.instance.setFlashMode(mode));
+    }
+
+    @ReactMethod
+    public void getFlashMode(Promise promise) {
+        Camera camera = CameraView.instance.getCamera();
+        promise.resolve(camera.getParameters().getFlashMode());
+    }
+
+    @ReactMethod void capture(boolean saveToCameraRoll, final Promise promise) {
+        Camera camera = CameraView.instance.getCamera();
+        camera.takePicture(null, null, new Camera.PictureCallback(){
+
+            @Override
+            public void onPictureTaken(byte[] data, Camera camera) {
+                new SaveImageTask(promise).execute(data);
+            }
+        });
+    }
+
+    private class SaveImageTask extends AsyncTask<byte[], Void, Void> {
+
+        private final Promise promise;
+
+        private SaveImageTask(Promise promise) {
+            this.promise = promise;
+        }
+
+        @Override
+        protected Void doInBackground(byte[]... data) {
+            Bitmap image = BitmapFactory.decodeByteArray(data[0], 0, data[0].length);
+            String fileUri = MediaStore.Images.Media.insertImage(getReactApplicationContext().getContentResolver(), image, System.currentTimeMillis() + "", "");
+            Log.d("CameraKit", "Saved to: " + fileUri);
+            if (fileUri == null) {
+                promise.reject("CameraKit", "Failed to save image to mediastore");
+            } else {
+              promise.resolve(fileUri);
+            }
+            return null;
+        }
+    }
+}

android/src/main/java/com/wix/RNCameraKit/camera/CameraView.java

@@ -0,0 +1,178 @@
+package com.wix.RNCameraKit.camera;
+
+import android.app.Activity;
+import android.hardware.Camera;
+import android.view.Surface;
+import android.view.SurfaceHolder;
+import android.view.SurfaceView;
+import android.view.View;
+
+import com.facebook.react.uimanager.ThemedReactContext;
+
+import java.io.IOException;
+import java.util.List;
+
+/**
+ * Created by yedidyak on 04/07/2016.
+ */
+public class CameraView extends SurfaceView implements SurfaceHolder.Callback {
+
+    private ThemedReactContext context;
+    private Camera camera;
+    private String flashMode = Camera.Parameters.FLASH_MODE_AUTO;
+
+    public static CameraView instance;
+    private int currentCamera = 0;
+    private Camera.Size optimalSize;
+    private Camera.Size optimalPictureSize;
+
+    public CameraView(ThemedReactContext context) {
+        super(context);
+        instance = this;
+        this.context = context;
+
+        this.getHolder().addCallback(this);
+        this.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                CameraView.this.camera.autoFocus(new Camera.AutoFocusCallback() {
+                    @Override
+                    public void onAutoFocus(boolean success, Camera camera) {
+
+                    }
+                });
+            }
+        });
+    }
+
+    public boolean changeCamera() {
+        if (Camera.getNumberOfCameras() == 1) {
+            return false;
+        }
+        currentCamera++;
+        currentCamera = currentCamera % Camera.getNumberOfCameras();
+        camera.release();
+        initCamera();
+        return true;
+    }
+
+    private void initCamera() {
+        this.camera = Camera.open(currentCamera);
+        try {
+            camera.setPreviewDisplay(this.getHolder());
+            updateCameraSize();
+            camera.startPreview();
+            setCameraDisplayOrientation(((Activity)context.getBaseContext()), 0, camera);
+        } catch (IOException e) {
+        }
+    }
+
+    private void updateCameraSize() {
+        List<Camera.Size> supportedPreviewSizes = camera.getParameters().getSupportedPreviewSizes();
+        List<Camera.Size> supportedPictureSizes = camera.getParameters().getSupportedPictureSizes();
+        optimalSize = getOptimalPreviewSize(supportedPreviewSizes, getWidth(), getHeight());
+        optimalPictureSize = getOptimalPreviewSize(supportedPictureSizes, getWidth(), getHeight());
+        Camera.Parameters parameters = camera.getParameters();
+        parameters.setPreviewSize(optimalSize.width, optimalSize.height);
+        parameters.setPictureSize(optimalPictureSize.width, optimalPictureSize.height);
+        parameters.setFlashMode(flashMode);
+        camera.setParameters(parameters);
+        camera.startPreview();
+    }
+
+    public static void setCameraDisplayOrientation(Activity activity, int cameraId, android.hardware.Camera camera) {
+        android.hardware.Camera.CameraInfo info =
+                new android.hardware.Camera.CameraInfo();
+        android.hardware.Camera.getCameraInfo(cameraId, info);
+        int rotation = activity.getWindowManager().getDefaultDisplay()
+                .getRotation();
+        int degrees = 0;
+        switch (rotation) {
+            case Surface.ROTATION_0:
+                degrees = 0;
+                break;
+            case Surface.ROTATION_90:
+                degrees = 90;
+                break;
+            case Surface.ROTATION_180:
+                degrees = 180;
+                break;
+            case Surface.ROTATION_270:
+                degrees = 270;
+                break;
+        }
+
+        int result;
+        if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
+            result = (info.orientation + degrees) % 360;
+            result = (360 - result) % 360;  // compensate the mirror
+        } else {  // back-facing
+            result = (info.orientation - degrees + 360) % 360;
+        }
+        camera.setDisplayOrientation(result);
+    }
+
+    @Override
+    public void surfaceCreated(SurfaceHolder holder) {
+        initCamera();
+    }
+
+    @Override
+    public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
+        updateCameraSize();
+    }
+
+    @Override
+    public void surfaceDestroyed(SurfaceHolder holder) {
+        camera.release();
+    }
+
+    public Camera getCamera() {
+        return camera;
+    }
+
+    private static Camera.Size getOptimalPreviewSize(List<Camera.Size> sizes, int w, int h) {
+        final double ASPECT_TOLERANCE = 0.1;
+        double targetRatio=(double)h / w;
+
+        if (sizes == null) return null;
+
+        Camera.Size optimalSize = null;
+        double minDiff = Double.MAX_VALUE;
+
+        int targetHeight = h;
+
+        for (Camera.Size size : sizes) {
+            double ratio = (double) size.width / size.height;
+            if (Math.abs(ratio - targetRatio) > ASPECT_TOLERANCE) continue;
+            if (Math.abs(size.height - targetHeight) < minDiff) {
+                optimalSize = size;
+                minDiff = Math.abs(size.height - targetHeight);
+            }
+        }
+
+        if (optimalSize == null) {
+            minDiff = Double.MAX_VALUE;
+            for (Camera.Size size : sizes) {
+                if (Math.abs(size.height - targetHeight) < minDiff) {
+                    optimalSize = size;
+                    minDiff = Math.abs(size.height - targetHeight);
+                }
+            }
+        }
+        return optimalSize;
+    }
+
+    public boolean setFlashMode(String mode) {
+        Camera.Parameters parameters = camera.getParameters();
+        if(parameters.getSupportedFlashModes().contains(mode)) {
+            flashMode = mode;
+            parameters.setFlashMode(flashMode);
+            camera.setParameters(parameters);
+            camera.startPreview();
+            return true;
+        } else {
+            return false;
+        }
+    }
+}

android/src/main/java/com/wix/RNCameraKit/camera/CameraViewManager.java

@@ -0,0 +1,21 @@
+package com.wix.RNCameraKit.camera;
+
+import com.facebook.react.uimanager.SimpleViewManager;
+import com.facebook.react.uimanager.ThemedReactContext;
+
+/**
+ * Created by yedidyak on 04/07/2016.
+ */
+public class CameraViewManager extends SimpleViewManager<CameraView> {
+
+
+    @Override
+    public String getName() {
+        return "CameraView";
+    }
+
+    @Override
+    protected CameraView createViewInstance(ThemedReactContext reactContext) {
+        return new CameraView(reactContext);
+    }
+}

android/src/main/java/com/wix/RNCameraKit/gallery/GalleryAdapter.java

@@ -1,7 +1,6 @@
-package com.wix.RNCameraKit;
+package com.wix.RNCameraKit.gallery;
 
 import android.app.Activity;
-import android.content.Context;
 import android.database.Cursor;
 import android.graphics.Bitmap;
 import android.graphics.Color;

android/src/main/java/com/wix/RNCameraKit/gallery/GalleryView.java

@@ -1,4 +1,4 @@
-package com.wix.RNCameraKit;
+package com.wix.RNCameraKit.gallery;
 
 import android.content.Context;
 import android.graphics.Rect;

android/src/main/java/com/wix/RNCameraKit/gallery/GalleryViewManager.java

@@ -1,4 +1,4 @@
-package com.wix.RNCameraKit;
+package com.wix.RNCameraKit.gallery;
 
 import com.facebook.react.bridge.ReadableArray;
 import com.facebook.react.uimanager.SimpleViewManager;

android/src/main/java/com/wix/RNCameraKit/gallery/NativeGalleryModule.java

@@ -1,4 +1,4 @@
-package com.wix.RNCameraKit;
+package com.wix.RNCameraKit.gallery;
 
 import android.database.Cursor;
 import android.graphics.Bitmap;
@@ -12,6 +12,7 @@ import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
 import com.facebook.react.bridge.WritableArray;
 import com.facebook.react.bridge.WritableMap;
+import com.wix.RNCameraKit.Utils;
 
 import java.util.Collection;
 import java.util.HashMap;

android/src/main/java/com/wix/RNCameraKit/gallery/SelectableImage.java

@@ -1,4 +1,4 @@
-package com.wix.RNCameraKit;
+package com.wix.RNCameraKit.gallery;
 
 import android.content.Context;
 import android.graphics.Bitmap;

index.android.js

@@ -1,10 +1,10 @@
 import CameraKitGallery from './src/CameraKitGallery';
-//import CameraKitCamera from './src/CameraKitCamera';
+import CameraKitCamera from './src/CameraKitCamera';
 import CameraKitGalleryView from './src/CameraKitGalleryView';
 
 export {
 	CameraKitGallery,
-  //CameraKitCamera,
+  CameraKitCamera,
   CameraKitGalleryView
 };
 

src/CameraKitCamera.android.js

@@ -0,0 +1,42 @@
+import React, {Component} from 'react';
+import {
+	requireNativeComponent,
+	NativeModules
+} from 'react-native';
+
+const NativeCamera = requireNativeComponent('CameraView', null);
+const NativeCameraModule = NativeModules.CameraModule;
+
+export default class CameraKitCamera extends React.Component {
+
+	render() {
+		return <NativeCamera {...this.props}/>
+	}
+
+	async logData() {
+		console.log('front Camera?', await NativeCameraModule.hasFrontCamera());
+		console.log('hasFlash?', await NativeCameraModule.hasFlashForCurrentCamera());
+		console.log('flashMode?', await NativeCameraModule.getFlashMode());
+	}
+
+	//static async checkDeviceAuthorizarionStatus() {
+	//	const deviceAutorizationStatus = await NativeCameraAction.checkDeviceAuthorizationStatus();
+	//
+	//	return deviceAutorizationStatus;
+	//}
+  //
+	async capture(saveToCameraRoll = true) {
+		const imageTmpPath = await NativeCameraModule.capture(saveToCameraRoll);
+		return imageTmpPath;
+	}
+
+	async changeCamera() {
+		const success = await NativeCameraModule.changeCamera();
+		return success;
+	}
+  //
+	async setFlashMode(flashMode = 'auto') {
+		const success = await NativeCameraModule.setFlashMode(flashMode);
+		return success;
+	}
+}

src/CameraKitGallery.android.js

@@ -7,12 +7,6 @@ async function getAlbumsWithThumbnails() {
   return albums;
 }
 
-
-async function getPhotosForAlbum(albumName, numberOfPhotos) {
-
-}
-
 export default {
-  getAlbumsWithThumbnails,
-  getPhotosForAlbum
+  getAlbumsWithThumbnails
 }