Pembelajaran Awal

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 Manual Setup, 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 Ringkasan

start

Mengaktifkan preview kamera.

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

await CameraPreview.start({} as CameraPreviewOptions);

stop

Menghentikan preview kamera.

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

await CameraPreview.stop();

capture

Mengambil gambar dari kamera.

Jika storeToFile ditetapkan ke true ketika memulai preview, 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 preview 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

Atur rasio aspek dari preview kamera.

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

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

getAspectRatio

Mendapatkan rasio aspek saat ini dari preview kamera.

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

await CameraPreview.getAspectRatio();

setGridMode

Atur mode grid dari overlay preview kamera.

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

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

getGridMode

Mendapatkan mode grid saat ini dari overlay preview kamera.

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

await CameraPreview.getGridMode();

checkPermissions

Mengecek 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. Ketika showSettingsAlert is true and permissions are denied, a platform-specific alert guiding the user to the app settings will be presented.

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

await CameraPreview.requestPermissions();

getHorizontalFov

Bagian berjudul “getHorizontalFov”

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

await CameraPreview.getHorizontalFov();

getSupportedPictureSizes

Mendapatkan ukuran gambar yang didukung untuk semua kamera.

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

Mengaktifkan rekaman video.

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

await CameraPreview.startRecordVideo({} as CameraPreviewOptions);

isRunning

Mengecek 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 kondisi penggandaan saat ini, termasuk min/max dan informasi lensa saat ini.

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

await CameraPreview.getZoom();

getZoomButtonValues

Mengembalikan nilai tombol penggandaan untuk penggantian 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 penggandaan kamera.

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

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

getFlashMode

Mendapatkan mode kilasan saat ini.

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

await CameraPreview.getFlashMode();

setDeviceId

Mengganti kamera aktif ke satu dengan spesifikasi deviceId.

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

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

getDeviceId

Mendapatkan ID perangkat kamera yang saat ini 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

Mendapatkan ukuran dan posisi pra-pandangan saat ini.

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

await CameraPreview.getPreviewSize();

setPreviewSize

Mengatur ukuran dan posisi pratinjau.

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 di pratinjau.

Perlu diingat: Plugin ini tidak menambahkan penggunaan sentuh untuk fokus native. Tangani sentuhan di HTML/JS Anda (misalnya, di antarmuka UI yang menutupi), lalu kirimkan koordinat yang telah dinormalisasi di sini.

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

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

deleteFile

Menghapus file di jalur absolut tertentu di perangkat. Gunakan ini untuk membersihkan cepat gambar sementara yang dibuat dengan storeToFileSalin ke clipboard

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

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

getSafeAreaInsets

Mengambil margin aman untuk perangkat. Mengembalikan margin orientasi-aware notch/kamera cutout dan orientasi saat ini. Dalam mode potret: mengembalikan inset atas (notch di atas). Dalam mode lanskap: mengembalikan inset kiri (notch dipindahkan ke samping). Hal ini secara spesifik mengarahkan ke area cutout (notch, lubang punch, dll.) yang semua ponsel modern memiliki.

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

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

await CameraPreview.getSafeAreaInsets();

getOrientation

Mengambil 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 termasuk: ‘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 pengekangan cahaya.

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

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

getExposureCompensationRange

Mengembalikan rentang pengkompensasi cahaya (EV bias) yang didukung.

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

await CameraPreview.getExposureCompensationRange();

getExposureCompensation

Mengembalikan pengkompensasi cahaya (EV bias) saat ini.

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

await CameraPreview.getExposureCompensation();

setExposureCompensation

Mengatur pengkompensasi cahaya (EV bias). Nilai akan dikompresi ke rentang.

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

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

Referensi Tipe

CameraPreviewOptions

Mengatur opsi konfigurasi untuk memulai pratinjau 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 contoh frame dari preview kamera.

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

CameraPreviewFlashMode

Mode kilat 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 menghadap 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

Mengdefinisikan 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

Mewakili 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

Mewakili informasi rinci tentang 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 dibuat dari plugin’s src/definitions.tsRe-run sinkronisasi ketika API publik berubah di atas

Teruskan 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-aktivitas-hidup untuk detail implementasi di @capgo/capacitor-aktivitas-hidup, Menggunakan @capgo/capacitor-pemain-video untuk kemampuan asli di Menggunakan @capgo/capacitor-pemain-video, dan @capgo/capacitor-pemain-video untuk detail implementasi di @capgo/capacitor-pemain-video.