Démarrage
Copiez une commande de configuration avec les étapes d'installation et la guide markdown complète pour ce plugin.
Set up this Capacitor plugin in the project.
Use the package manager already used by the project.
Install these package(s): `@capgo/capacitor-printer`
Run the required Capacitor sync/update step after installation.
Read this markdown guide for the full setup steps: https://raw.githubusercontent.com/Cap-go/website/refs/heads/main/apps/docs/src/content/docs/docs/plugins/printer/getting-started.mdx
Use that guide for platform-specific steps, native file edits, permissions, config changes, imports, and usage setup.
If that guide references other docs pages, read them too.
Installation
Section intitulée “Installation”bun add @capgo/capacitor-printerbunx cap syncImporter
Section intitulée “Importer”import { Printer } from '@capgo/capacitor-printer';API Vue d'ensemble
Section intitulée “API Vue d'ensemble”printBase64
Section intitulée “imprimerBase64”Présente l'interface de l'impression pour imprimer des fichiers codés en chaînes de base64.
Comportement du plateau :
- iOS: Utilise UIPrintInteractionController avec des données base64 décodées
- Android: Utilise PrintManager avec des données base64 décodées
- Web: Crée un blob à partir des données base64 et ouvre le dialogue d'impression
Avertissement sur les performances : Les gros fichiers peuvent entraîner des plantages d'application en raison des contraintes de mémoire lors de la décodage base64. Il est recommandé d'utiliser printFile() pour les fichiers supérieurs à 5MB.
import { Printer } from '@capgo/capacitor-printer';
// Print a base64 encoded PDFawait Printer.printBase64({ name: 'Invoice #12345', data: 'base64-encoded-pdf-data', mimeType: 'application/pdf',});
// Print a base64 encoded imageawait Printer.printBase64({ name: 'Product Photo', data: '/9j/4AAQSkZJRgABAQEAYABgAAD/2wBDA...', mimeType: 'image/jpeg',});printFile
Section intitulée « printFile »Présente l'interface utilisateur d'impression pour imprimer des fichiers de périphérique.
Comportement du plateforme :
- iOS: Utilise UIPrintInteractionController avec l'URL de fichier. Supporte les chemins file:// ou les chemins relatifs au répertoire des documents de l'application.
- Android: Utilise PrintManager avec le chemin de fichier. Supporte à la fois les URIs content:// et les chemins file://.
- Web: Lit le fichier et ouvre le dialogue d'impression
Types de fichiers supportés :
- Documents PDF (application/pdf)
- Images : JPEG, PNG, GIF, HEIC, HEIF
import { Printer } from '@capgo/capacitor-printer';
// iOS: Print from app documents directoryawait Printer.printFile({ name: 'Contract', path: 'file:///var/mobile/Containers/Data/Application/.../Documents/contract.pdf',});
// Android: Print from content URIawait Printer.printFile({ name: 'Receipt', path: 'content://com.android.providers.downloads.documents/document/123', mimeType: 'application/pdf',});
// Android: Print from file pathawait Printer.printFile({ name: 'Photo', path: 'file:///storage/emulated/0/Download/photo.jpg', mimeType: 'image/jpeg',});printHtml
Section intitulée “printHtml”Présente l'interface d'impression pour imprimer les documents HTML.
Comportement de la Plateforme:
- iOS: Affiche l'HTML dans WKWebView, puis imprime à l'aide de UIPrintInteractionController
- Android: Affiche l'HTML dans WebView, puis imprime à l'aide de PrintManager
- Web: Crée un iframe avec le contenu HTML et déclenche le dialogue d'impression
Exigences HTML:
- Doit s'agir d'un document HTML complet avec une structure appropriée
- Peut inclure des styles CSS en ligne ou des balises de style
- Les ressources externes (images, feuilles de style) doivent utiliser des URLs absolues
- Les styles CSS spécifiques à l'impression peuvent être ajoutés à l'aide de
import { Printer } from '@capgo/capacitor-printer';
// Simple HTML documentawait Printer.printHtml({name: 'Sales Report',html: '<html><body><h1>Q4 Sales Report</h1><p>Revenue: $125,000</p></body></html>',});
// HTML with print-specific CSSawait Printer.printHtml({name: 'Styled Invoice',html: `<html><head><style>printPdf
Section intitulée “imprimerPdf”Présente l'interface de mise en page pour imprimer des documents PDF.
Comportement de la plateforme :
- iOS: Utilise UIPrintInteractionController avec l'URL du fichier PDF
- Android: Utilise PrintManager avec PdfDocument
- Web: Crée une URL objet et ouvre le dialogue d'impression
Exigences relatives au chemin de fichier :
- iOS: Doit être une chemin de fichier file:// ou relatif au répertoire des documents de l'application
- Android: Supporte les URIs content:// (à partir des téléchargements, du magasin de médias) ou les chemins de fichiers file://
- Web: Doit être un chemin de fichier accessible
import { Printer } from '@capgo/capacitor-printer';
// Print PDF from app storageawait Printer.printPdf({ name: 'Annual Report 2024', path: 'file:///var/mobile/Containers/Data/Application/.../Documents/report.pdf',});
// Print PDF from Android downloadsawait Printer.printPdf({ name: 'Downloaded Document', path: 'content://com.android.providers.downloads.documents/document/123',});printWebView
Section intitulée « imprimerWebView »Présente l'interface de mise à l'échelle pour imprimer le contenu de la vue web.
Imprime le contenu actuel affiché dans la vue web de votre application.
Comportement de la plateforme :
- iOS: Utilise UIPrintInteractionController avec la vue WKWebView printable
- Android: Utilise WebView.createPrintDocumentAdapter() avec PrintManager
- Web: Déclenche window.print() pour la page actuelle
Stylage d'impression : Supporte les médias d'impression CSS pour la personnalisation. Les styles actuels de la vue web seront appliqués, y compris les
import { Printer } from '@capgo/capacitor-printer';
// Print current web view with default nameawait Printer.printWebView();
// Print with custom job nameawait Printer.printWebView({name: 'Dashboard Screenshot',});
// Use with print-specific CSS in your HTML// Add this to your app's CSS://Référence de type
Section intitulée “Référence de type”PrintBase64Options
Section intitulée “Options d'impression base64”Options pour l'impression de données encodées en base64
export interface PrintBase64Options extends PrintOptions { /** * Valid base64 encoded string representing the file content. * * The base64 string should NOT include the data URL prefix (e.g., "data:application/pdf;base64,"). * Only provide the raw base64 encoded content. * * **Performance Considerations:** * - Base64 encoding increases data size by approximately 33% * - Large files (>5MB) may cause memory issues when decoding * - Consider using printFile() for large documents * * **Platform Notes:** * - **iOS**: Decoded to NSData and passed to UIPrintInteractionController * - **Android**: Decoded to byte array and written to temporary file * - **Web**: Converted to Blob for printing * * @since 7.0.0 * @example 'base64-encoded-pdf-data' */ data: string;
/** * MIME type of the base64 encoded data. * * **Supported types:** * - `application/pdf` - PDF documents * - `image/jpeg` - JPEG images * - `image/.png` - PNG images * - `image/.gif` - GIF images (iOS/Android only) * - `image/heic` - HEIC images (iOS only) * - `image/heif` - HEIF images (iOS only) * * **Platform Support:** * - All platforms support PDF, JPEG, and PNG * - GIF support varies by platform * - HEIC/HEIF are iOS-specific formats * * @since 7.0.0 * @example 'application/pdf' * @example 'image/jpeg' */ mimeType: string;}PrintFileOptions
Section intitulée “Options de fichier à imprimer”Options pour imprimer des fichiers à partir de l'espace de stockage du dispositif.
export interface PrintFileOptions extends PrintOptions { /** * Path to the file to print. * * **iOS Path Formats:** * - `file://` URL: Full file URL path * - Relative path: Path relative to app's documents directory * - Must be within app's accessible directories (documents, temporary, cache) * * **Android Path Formats:** * - `content://` URI: Content provider URI (recommended for external files) * - `file://` path: Direct file system path * - Must have read permission for the file * * **Common Use Cases:** * - App documents: Files saved in app's document directory * - Downloads: Files from system downloads folder (use content:// on Android) * - Temporary files: Files in app's temporary/cache directory * - Shared storage: Files from external storage (Android, requires permissions) * * @since 7.0.0 * @platform ios Supports file:// paths and relative paths * @platform android Supports content:// URIs and file:// paths * @example 'content://com.android.providers.downloads.documents/document/123' * @example 'file:///var/mobile/Containers/Data/Application/.../Documents/document.pdf' * @example 'file:///storage/emulated/0/Download/receipt.pdf' */ path: string;
/** * MIME type of the file. * * **Platform Behavior:** * - **Android**: REQUIRED for content:// URIs. Helps the system determine how to handle the file. * Optional for file:// paths (auto-detected from extension). * - **iOS**: Ignored. File type is auto-detected from file extension. * - **Web**: Optional. Auto-detected if not provided. * * **Common MIME Types:** * - `application/pdf` - PDF documents * - `image/jpeg` - JPEG images * - `image/.png` - PNG images * - `image/.gif` - GIF images * * @since 7.0.0 * @default Undefined (auto-detected from file extension) * @platform android Used for content:// URIs and file type detection * @platform ios Ignored (auto-detected) * @example 'application/pdf' * @example 'image/jpeg' */ mimeType?: string;}PrintHtmlOptions
Section intitulée “Options d'impression de contenu HTML”Options pour imprimer le contenu HTML.
export interface PrintHtmlOptions extends PrintOptions { /** * HTML content to print. * * **Content Requirements:** * - Should be a complete HTML document with `<html>`, `<head>`, and `<body>` tags * - Can include inline CSS styles or `<style>` tags * - External resources (images, fonts) should use absolute URLs * - JavaScript is not executed during print rendering * * **Print Optimization Tips:** * - Use `@media print` CSS rules for print-specific styling * - Control page breaks with `page-break-before`, `page-break-after`, `page-break-inside` * - Hide UI elements using `.no-print { display: none; }` class * - Adjust font sizes for readability (12pt is standard for print) * - Use print-friendly colors (avoid dark backgrounds) * * **Platform Rendering:** * - **iOS**: Rendered in WKWebView before printing * - **Android**: Rendered in WebView before printing * - **Web**: Rendered in hidden iframe before printing * * **Character Encoding:** * - UTF-8 is recommended and default * - Include charset in HTML: `<meta charset="UTF-8">` * * @since 7.0.0 * @example '<html><body><h1>Hello World</h1><p>This is a test document.</p></body></html>' * @example * ```typescript * const htmlWithStyles = ` * <html> * <head> * <meta charset="UTF-8"> * <style> * @media print { * body { font-family: Arial, sans-serif; font-size: 12pt; } * .no-print { display: none; } * h1 { color: #333; page-break-before: always; } * } * </style> * </head> * <body> * <h1>Invoice #12345</h1> * <p>Amount: $299.99</p> * </body> * </html> * `; * ``` */ html: string;}PrintPdfOptions
Section intitulée “Options d'impression de documents PDF”Options pour imprimer des documents PDF.
export interface PrintPdfOptions extends PrintOptions { /** * Path to the PDF document. * * **iOS Path Formats:** * - `file://` URL: Full file URL path to PDF document * - Relative path: Path relative to app's documents directory * - Must be within app's accessible directories (documents, temporary, cache) * - PDF must be valid and not password-protected * * **Android Path Formats:** * - `content://` URI: Content provider URI (recommended for external PDFs) * - `file://` path: Direct file system path to PDF * - Must have read permission for the file * - Supports both single-page and multi-page PDFs * * **Web Path Formats:** * - Relative or absolute path accessible from web context * - Must be a valid PDF file * * **Validation:** * - File must exist at the specified path * - File must be a valid PDF (checked by magic number/header) * - File must be readable by the app * * **Common Sources:** * - App documents: PDFs saved in app's document directory * - Downloads: PDFs from system downloads (use content:// on Android) * - Generated PDFs: Temporary PDFs created by the app * - Network downloads: PDFs downloaded and saved locally * * @since 7.0.0 * @platform ios Supports file:// paths and relative paths * @platform android Supports content:// URIs and file:// paths * @platform web Supports accessible file paths * @example 'content://com.android.providers.downloads.documents/document/123' * @example 'file:///var/mobile/Containers/Data/Application/.../Documents/document.pdf' * @example 'file:///storage/emulated/0/Download/report.pdf' * @example 'Documents/invoice-2024.pdf' */ path: string;}PrintOptions
Section intitulée “Options d'impression de base”Options de base pour toutes les opérations d'impression.
export interface PrintOptions { /** * Name of the print job. * * **Usage:** * - Displayed in the system print queue * - Shown in print history/logs * - May appear in printer status displays * - Used as default filename for "Save as PDF" option * * **Platform Behavior:** * - **iOS**: Shown in print preview header and activity view * - **Android**: Displayed in print job notification and print queue * - **Web**: Used as document title in print dialog * * **Best Practices:** * - Use descriptive names (e.g., "Invoice #12345", "Q4 Report") * - Keep under 50 characters for better display * - Avoid special characters that may cause issues in filenames * - Include relevant identifiers (order numbers, dates, etc.) * * **Examples:** * - "Invoice #12345" * - "Sales Report - 2024 Q4" * - "Customer Receipt - John Doe" * - "Product Photo - SKU-ABC123" * * @since 7.0.0 * @default 'Document' * @platform ios Shown in print preview and activity view * @platform android Shown in print queue and notifications * @platform web Used as document title in print dialog * @example 'Invoice #12345' * @example 'Annual Report 2024' * @example 'Receipt - Order #789' */ name?: string;}Source Of Truth
Section intitulée « Source Of Truth »Cette page est générée à partir du plugin’s src/definitions.tsRe-run the sync when the public API changes upstream.