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react-native-camera-kit

Native camera control.

Installation

Install using npm or yarn:

npm install react-native-camera-kit --save

Or if you're using yarn:

yarn add react-native-camera-kit

iOS

  • Locate the module lib folder in your node modules: PROJECT_DIR/node_modules/react-native-camera-kit/ios/lib
  • Drag the ReactNativeCameraKit.xcodeproj project file into your project
  • Add libReactNativeCameraKit.a to all your target Linked Frameworks and Libraries (prone to be forgotten)

Android

Add the following to your project's settings.gradle file:

+ include ':rncamerakit'
+ project(':rncamerakit').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-camera-kit/android/')

Then add to your app app/build.gradle in the dependencies section:

+ compile project(":rncamerakit")

Then in MainActivity.java add:

+ import com.wix.RNCameraKit.RNCameraKitPackage;

And in the package list in the same file (e.g. getPackages) add:

+ new RNCameraKitPackage()

How to use

CameraKitCamera inside the render function

<CameraKitCamera
  ref={cam => this.camera = cam}
  style={{
    flex: 1,
    backgroundColor: 'white'
  }}
  cameraOptions={{
    flashMode: 'auto',             // on/off/auto(default)
    focusMode: 'on',               // off/on(default)
    zoomMode: 'on',                // off/on(default)
    ratioOverlay:'1:1',            // optional, ratio overlay on the camera and crop the image seamlessly
    ratioOverlayColor: '#00000077' // optional
  }}
/>

CameraKitCamera cameraOptions

Attribute Values Description
flashMode 'on'/'off'/'auto' camera flash mode (default is auto)
focusMode 'on'/'off' camera focus mode (default is on)
zoomMode 'on'/'off' camera zoom mode
ratioOverlay ['int':'int', ...] overlay on top of the camera view (crop the image to the selected size) Example: ['16:9', '1:1', '3:4']
ratioOverlayColor Color any color with alpha (default is '#ffffff77')

CameraKitCamera API

checkDeviceCameraAuthorizationStatus

const isCameraAuthorized = await CameraKitCamera.checkDeviceCameraAuthorizationStatus();

return values:

AVAuthorizationStatusAuthorized returns true

AVAuthorizationStatusNotDetermined returns -1

otherwise, returns false

requestDeviceCameraAuthorization

const isUserAuthorizedCamera = await CameraKitCamera.requestDeviceCameraAuthorization();

AVAuthorizationStatusAuthorized returns true

otherwise, returns false

capture

Capture image

const image = await this.camera.capture(true);

setFlashMode

Set flash mode (auto/on/off)

const success = await this.camera.setFlashMode(newFlashData.mode);

changeCamera

Change to fornt/rear camera

const success = await this.camera.changeCamera();

CameraKitGalleryView

Native Gallery View (based on UICollectionView)

<CameraKitGalleryView
  ref={gallery => this.gallery = gallery}
  style={{flex: 1, marginTop: 20}}
  minimumInteritemSpacing={10}
  minimumLineSpacing={10}
  albumName={<ALBUM_NAME>}
  columnCount={3}
  onTapImage={event => {
    // result.nativeEvent.selected - ALL selected images Photos Framework ids
  }}
  selectedImages={<MAINTAIN_SELECETED_IMAGES>}
  selectedImageIcon={require('<IMAGE_FILE_PATH>'))}
  unSelectedImageIcon={require('<IMAGE_FILE_PATH>')}
/>
Attribute Values Description
minimumInteritemSpacing Float Minimum inner Item spacing
minimumLineSpacing Float Minimum line spacing
imageStrokeColor Color Image stroke color
albumName String Album name to show
columnCount Integer How many clumns in one row
onTapImage Function Callback when image tapped
selectedImages Array Selected images (will show the selected badge)
selectedImageIcon require(_PATH_) - DEPRECATED use Selection - Selected image badge image
unSelectedImageIcon require(_PATH_) - DEPRECATED use Selection - Unselected image badge image
selection Object See Selection section
getUrlOnTapImage Boolean iOS only - On image tap return the image internal (tmp folder) uri (intead of Photos.framework asset id)
customButtonStyle Object See Custom Button section
onCustomButtonPress Function Callback when custom button tapped
contentInset (iOS) Object The amount by which the gellery view content is inset from its edges (similar to ScrollView contentInset)

Custom Button

Attribute Values Description
image require(_PATH_) Custom button image
backgroundColor Color Custom button background color

Selection

Attribute Values Description
selectedImage require(_PATH_) Selected image badge image
unselectedImage require(_PATH_) Unselected image badge image
imagePosition bottom/top-right/left / center Selected/Unselected badge image position (Default:top-right)
overlayColor Color Image selected overlay color
imageSizeAndroid large/medium Android Only - Selected badge image size