Getting Started

Instalasi

Anda dapat menggunakan Pengaturan Bantu AI kami untuk menginstal plugin. Tambahkan Capgo kemampuan ke alat AI Anda menggunakan perintah berikut:

npx skills add https://github.com/Cap-go/capgo-skills --skill capacitor-plugins

Lalu gunakan prompt berikut:

Use the `capacitor-plugins` skill from `Cap-go/capgo-skills` to install the `@capgo/camera-preview` plugin in my project.

Jika Anda lebih suka Pengaturan Manual, instal plugin dengan menjalankan perintah-perintah berikut dan ikuti instruksi spesifik platform di bawah ini:

bun add @capgo/camera-preview
bunx cap sync

Import

import { CameraPreview } from '@capgo/camera-preview';

API Pengenalan

start

Mengaktifkan kamera preview.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.start({} as CameraPreviewOptions);

stop

Menghentikan kamera preview.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.stop();

capture

Mengambil gambar dari kamera.

Jika storeToFile ditetapkan ke true ketika memulai pratinjau, nilai yang dikembalikan value akan menjadi jalur file absolut pada perangkat daripada string base64. Gunakan getBase64FromFilePath untuk mendapatkan string base64 dari jalur file.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.capture({} as CameraPreviewPictureOptions);

captureSample

Mengambil frame tunggal dari aliran pratinjau kamera.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.captureSample({} as CameraSampleOptions);

getSupportedFlashModes

Mendapatkan mode flash yang didukung oleh kamera aktif.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getSupportedFlashModes();

setAspectRatio

Setel rasio aspek kamera preview.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setAspectRatio({} as { aspectRatio: '4:3' | '16:9'; x?: number; y?: number });

getAspectRatio

Dapatkan rasio aspek kamera preview saat ini.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getAspectRatio();

setGridMode

Setel mode grid kamera preview overlay.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setGridMode({} as { gridMode: GridMode });

getGridMode

Dapatkan mode grid kamera preview overlay saat ini.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getGridMode();

checkPermissions

Mengatur status izin kamera (dan mikrofon optional) saat ini tanpa menampilkan dialog sistem.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.checkPermissions();

requestPermissions

Mengajukan izin kamera (dan mikrofon optional). Jika izin sudah diberikan atau ditolak, status saat ini akan dikembalikan tanpa menampilkan dialog. showSettingsAlert Jika nilai ini adalah true dan izin ditolak, maka akan ditampilkan peringatan spesifik platform untuk mengarahkan pengguna ke pengaturan aplikasi.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.requestPermissions();

getHorizontalFov

Mengambil sudut pandang horizontal untuk kamera aktif.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getHorizontalFov();

getSupportedPictureSizes

Judul Bagian “getSupportedPictureSizes”

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getSupportedPictureSizes();

setFlashMode

Mengatur mode kilasan untuk kamera aktif.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setFlashMode({} as { flashMode: CameraPreviewFlashMode | string });

flip

Mengganti antara kamera depan dan belakang.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.flip();

setOpacity

Mengatur kejelasan kamera preview.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setOpacity({} as CameraOpacityOptions);

stopRecordVideo

Menghentikan rekaman video yang sedang berlangsung.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.stopRecordVideo();

startRecordVideo

Mengawali rekaman video.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.startRecordVideo({} as CameraPreviewOptions);

isRunning

Memeriksa apakah tampilan kamera sedang berjalan.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.isRunning();

getAvailableDevices

Mengambil semua perangkat kamera yang tersedia.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getAvailableDevices();

getZoom

Mengambil informasi pengaturan zoom saat ini, termasuk batas minimum/maksimum dan informasi lensa saat ini.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getZoom();

getZoomButtonValues

Mengembalikan nilai tombol zoom untuk perubahan cepat.

• iOS/Android: termasuk 0,5 jika ultra-lebar tersedia; 1 dan 2 jika lebar tersedia; 3 jika telefoto tersedia
• Web: tidak tersedia

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getZoomButtonValues();

setZoom

Mengatur tingkat zoom kamera.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setZoom({} as { level: number; ramp?: boolean; autoFocus?: boolean });

getFlashMode

Mengembalikan mode kilat saat ini.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getFlashMode();

setDeviceId

Memutuskan kamera aktif ke satu dengan spesifikasi yang ditentukan deviceId.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setDeviceId({} as { deviceId: string });

getDeviceId

Mengambil ID perangkat kamera yang sedang terikat. Pada Android, jika permintaan lensa fisik jatuh kembali ke kamera logis, ini mengembalikan ID kamera logis yang terikat.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getDeviceId();

getPreviewSize

Mengambil ukuran dan posisi pra-tayang saat ini.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getPreviewSize();

setPreviewSize

Mengatur ukuran dan posisi pra-tayang.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setPreviewSize({} as { x?: number; y?: number; width: number; height: number });

setFocus

Mengatur fokus kamera ke titik tertentu dalam preview.

Penting: Plugin ini tidak menambahkan penggunaan sentuh untuk fokus secara native. Tangani sentuhan di HTML/JS Anda (misalnya, di UI penutup), lalu kirimkan koordinat yang telah dinormalisasi ke sini.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setFocus({} as { x: number; y: number });

deleteFile

Menghapus file di jalur absolut pada perangkat. Gunakan ini untuk membersihkan cepat gambar sementara yang dibuat dengan . Pada web, ini tidak didukung dan akan melempar kesalahan. storeToFileSalin ke clipboard

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.deleteFile({} as { path: string });

getSafeAreaInsets

Nilai yang dikembalikan pada Android: nilai dalam dp (pixel logis). Nilai yang dikembalikan pada iOS: nilai dalam pixel fisik, kecuali status bar (hanya ukuran notch/cutout yang murni).

Salin ke clipboard

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getSafeAreaInsets();

getOrientation

Mendapatkan orientasi perangkat saat ini dalam format lintas platform.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getOrientation();

getExposureModes

Mengembalikan mode eksposur yang didukung oleh kamera aktif. Mode dapat mencakup: ‘terkunci’, ‘otomatis’, ‘terus menerus’, ‘custom’.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getExposureModes();

getExposureMode

Mengembalikan mode eksposur saat ini.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getExposureMode();

setExposureMode

Mengatur mode eksposur.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setExposureMode({} as { mode: ExposureMode });

getExposureCompensationRange

Mengembalikan rentang kompensasi eksposur (EV bias) yang didukung.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getExposureCompensationRange();

getExposureCompensation

Mengembalikan kompensasi eksposur saat ini (EV bias).

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.getExposureCompensation();

setExposureCompensation

Mengatur kompensasi eksposur (EV bias). Nilai akan dikompresi ke rentang.

import { CameraPreview } from '@capgo/camera-preview';

await CameraPreview.setExposureCompensation({} as { value: number });

Referensi Tipe

CameraPreviewOptions

Mengatur opsi pengaturan untuk memulai preview kamera.

export interface CameraPreviewOptions {
  /**
   * The parent element to attach the video preview to.
   * @platform web
   */
  parent?: string;
  /**
   * A CSS class name to add to the preview element.
   * @platform web
   */
  className?: string;
  /**
   * The width of the preview in pixels. Defaults to the screen width.
   * @platform android, ios, web
   */
  width?: number;
  /**
   * The height of the preview in pixels. Defaults to the screen height.
   * @platform android, ios, web
   */
  height?: number;
  /**
   * The horizontal origin of the preview, in pixels.
   * @platform android, ios
   */
  x?: number;
  /**
   * The vertical origin of the preview, in pixels.
   * @platform android, ios
   */
  y?: number;
  /**
   * The aspect ratio of the camera preview, '4:3' or '16:9' or 'fill'.
   * Cannot be set if width or height is provided, otherwise the call will be rejected.
   * Use setPreviewSize to adjust size after starting.
   *
   * @since 2.0.0
   */
  aspectRatio?: '4:3' | '16:9';
  /**
   * Controls how the camera preview fills the available space.
   * - 'contain': Fits the entire preview within the space, may show letterboxing (default).
   * - 'cover': Fills the entire space, may crop edges of the preview.
   * @default "contain"
   * @platform android, ios, web
   */
  aspectMode?: 'cover' | 'contain';
  /**
   * The grid overlay to display on the camera preview.
   * @default "none"
   * @since 2.1.0
   */
  gridMode?: GridMode;
  /**
   * Adjusts the y-position to account for safe areas (e.g., notches).
   * @platform ios
   * @default false
   */
  includeSafeAreaInsets?: boolean;
  /**
   * If true, places the preview behind the webview.
   * @platform android
   * @default true
   */
  toBack?: boolean;
  /**
   * Bottom padding for the preview, in pixels.
   * @platform android, ios
   */
  paddingBottom?: number;
  /**
   * Whether to rotate the preview when the device orientation changes.
   * @platform ios
   * @default true
   */
  rotateWhenOrientationChanged?: boolean;
  /**
   * The camera to use.
   * @default "rear"
   */
  position?: CameraPosition | string;
  /**
   * If true, saves the captured image to a file and returns the file path.
   * If false, returns a base64 encoded string.
   * @default false
   */
  storeToFile?: boolean;
  /**
   * If true, prevents the plugin from rotating the image based on EXIF data.
   * @platform android
   * @default false
   */
  disableExifHeaderStripping?: boolean;
  /**
   * If true, disables the audio stream, preventing audio permission requests.
   * @default true
   */
  disableAudio?: boolean;
  /**
   * If true, locks the device orientation while the camera is active.
   * @platform android
   * @default false
   */
  lockAndroidOrientation?: boolean;
  /**
   * If true, allows the camera preview's opacity to be changed.
   * @platform android, web
   * @default false
   */
  enableOpacity?: boolean;

  /**
   * If true, disables the visual focus indicator when tapping to focus.
   * @platform android, ios
   * @default false
   */
  disableFocusIndicator?: boolean;
  /**
   * The `deviceId` of the camera to use. If provided, `position` is ignored.
   * @platform ios
   */
  deviceId?: string;
  /**
   * On Android, attempts to bind a physical camera directly when `deviceId` refers to a physical lens.
   * Disabled by default because OEM support is inconsistent; when false, Android keeps the current logical-camera fallback behavior.
   * @default false
   * @platform android
   */
  enablePhysicalDeviceSelection?: boolean;
  /**
   * The initial zoom level when starting the camera preview.
   * If the requested zoom level is not available, the native plugin will reject.
   * @default 1.0
   * @platform android, ios
   * @since 2.2.0
   */
  initialZoomLevel?: number;
  /**
   * The vertical positioning of the camera preview.
   * @default "center"
   * @platform android, ios, web
   * @since 2.3.0
   */
  positioning?: CameraPositioning;
  /**
   * If true, enables video capture capabilities when the camera starts.
   * @default false
   * @platform android
   * @since 7.11.0
   */
  enableVideoMode?: boolean;
  /**
   * If true, forces the camera to start/restart even if it's already running or busy.
   * This will kill the current camera session and start a new one, ignoring all state checks.
   * @default false
   * @platform android, ios, web
   */
  force?: boolean;
  /**
   * Sets the quality of video for recording.
   * Options: 'low', 'medium', 'high'
   * @note On Android requires 'enableVideoMode' to be true
   * @note Will affect the entire preview stream for iOS
   * @platform ios, android
   * @default "high"
   */
  videoQuality?: 'low' | 'medium' | 'high';
}

CameraPreviewPictureOptions

Mengatur opsi untuk mengambil gambar.

export interface CameraPreviewPictureOptions {
  /**
   * The maximum height of the picture in pixels. The image will be resized to fit within this height while maintaining aspect ratio.
   * If not specified the captured image will match the preview's visible area.
   */
  height?: number;
  /**
   * The maximum width of the picture in pixels. The image will be resized to fit within this width while maintaining aspect ratio.
   * If not specified the captured image will match the preview's visible area.
   */
  width?: number;
  /**
   * The quality of the captured image, from 0 to 100.
   * Does not apply to `.png` format.
   * @default 85
   */
  quality?: number;
  /**
   * The format of the captured image.
   * @default "jpeg"
   */
  format?: PictureFormat;
  /**
   * If true, the captured image will be saved to the user's gallery.
   * @default false
   * @since 7.5.0
   */
  saveToGallery?: boolean;
  /**
   * If true, the plugin will attempt to add GPS location data to the image's EXIF metadata.
   * This may prompt the user for location permissions.
   * @default false
   * @since 7.6.0
   */
  withExifLocation?: boolean;
  /**
   * If true, the plugin will embed a timestamp in the top-right corner of the image.
   * @default false
   * @since 7.17.0
   */
  embedTimestamp?: boolean;
  /**
   * If true, the plugin will embed the current location in the top-right corner of the image.
   * Requires `withExifLocation` to be enabled.
   * @default false
   * @since 7.18.0
   */
  embedLocation?: boolean;
  /**
   * Sets the priority for photo quality vs. capture speed.
   * - "speed": Prioritizes faster capture times, may reduce image quality.
   * - "balanced": Aims for a balance between quality and speed.
   * - "quality": Prioritizes image quality, may reduce capture speed.
   * See https://developer.apple.com/documentation/avfoundation/avcapturephotosettings/photoqualityprioritization for details.
   *
   * @since 7.21.0
   * @platform ios
   * @default "speed"
   */
  photoQualityPrioritization?: 'speed' | 'balanced' | 'quality';
}

ExifData

Mewakili data EXIF yang diekstrak dari sebuah gambar.

export interface ExifData {
  [key: string]: any;
}

CameraSampleOptions

Mengatur opsi untuk mengambil frame sampel dari preview kamera.

export interface CameraSampleOptions {
  /**
   * The quality of the captured sample, from 0 to 100.
   * @default 85
   */
  quality?: number;
}

CameraPreviewFlashMode

Mode-modes flash yang tersedia untuk kamera. ‘torch’ adalah mode cahaya terus-menerus.

export type CameraPreviewFlashMode = 'off' | 'on' | 'auto' | 'torch';

GridMode

export type GridMode = 'none' | '3x3' | '4x4';

PermissionRequestOptions

export interface PermissionRequestOptions {
  disableAudio?: boolean;
  showSettingsAlert?: boolean;
  title?: string;
  message?: string;
  openSettingsButtonTitle?: string;
  cancelButtonTitle?: string;
}

CameraPermissionStatus

export interface CameraPermissionStatus {
  camera: PermissionState;
  microphone?: PermissionState;
}

SupportedPictureSizes

Mewakili ukuran gambar yang didukung untuk kamera yang menghadap ke arah tertentu.

export interface SupportedPictureSizes {
  /** The camera direction ("front" or "rear"). */
  facing: string;
  /** A list of supported picture sizes for this camera. */
  supportedPictureSizes: PictureSize[];
}

CameraOpacityOptions

Menentukan opsi untuk mengatur kejelasan kamera preview.

export interface CameraOpacityOptions {
  /**
   * The opacity percentage, from 0.0 (fully transparent) to 1.0 (fully opaque).
   * @default 1.0
   */
  opacity?: number;
}

CameraDevice

Menggambarkan kamera fisik pada perangkat (misalnya, kamera depan).

export interface CameraDevice {
  /** A unique identifier for the camera device. */
  deviceId: string;
  /** A human-readable name for the camera device. */
  label: string;
  /** The physical position of the camera on the device. */
  position: CameraPosition;
  /** A list of all available lenses for this camera device. */
  lenses: CameraLens[];
  /** The overall minimum zoom factor available across all lenses on this device. */
  minZoom: number;
  /** The overall maximum zoom factor available across all lenses on this device. */
  maxZoom: number;
  /** Identifies whether the device is a logical camera (composed of multiple physical lenses). */
  isLogical: boolean;
}

LensInfo

Menggambarkan informasi rinci dari lensa aktif saat ini.

export interface LensInfo {
  /** The focal length of the active lens in millimeters. */
  focalLength: number;
  /** The device type of the active lens. */
  deviceType: DeviceType;
  /** The base zoom ratio of the active lens (e.g., 0.5x, 1.0x). */
  baseZoomRatio: number;
  /** The current digital zoom factor applied on top of the base zoom. */
  digitalZoom: number;
}

Sumber Kebenaran

Halaman ini dihasilkan dari plugin’s src/definitions.ts. Ulangi sinkronisasi ketika API publik berubah secara upstream.

Maju terus dari Getting Started

Jika Anda menggunakan Getting Started untuk merencanakan perilaku media dan antarmuka asli, hubungkannya dengan Menggunakan @capgo/camera-preview untuk kemampuan asli dalam Menggunakan @capgo/camera-preview, Menggunakan @capgo/capacitor-live-activities untuk kemampuan asli dalam Menggunakan @capgo/capacitor-live-activities, @capgo/capacitor-live-activities untuk detail implementasi dalam @capgo/capacitor-live-activities, Menggunakan @capgo/capacitor-video-player untuk kemampuan native di Menggunakan @capgo/capacitor-video-player, dan @capgo/capacitor-video-player untuk detail implementasi di @capgo/capacitor-video-player.