@rn-common/image-picker

This utility provides a convenient way to pick and resize images using the camera or photo library in a React Native application. It leverages expo-image-picker for image selection and expo-image-manipulator for resizing images, with additional UI support via @rn-common/action-sheet.

Installation

Install using:

1npx expo install @rn-common/image-picker expo-image-manipulator expo-image-picker

Features

• Cross-Platform Support: Works on both iOS and Android.
• Action Sheet Integration: Presents options to the user in an action sheet format.
• Permission Handling: Manages camera and media library permissions.

Usage

Configuration Options

The utility functions accept a ImagePickerConfig object with the following optional properties:

• title (optional): Title of the action sheet.
• photoLibraryTitle (optional): Title for the option to choose from the gallery. Default to 'Choose from gallery'.
• cameraTitle (optional): Title for the option to take a photo. Default to 'Take a photo'.
• cancelButtonTitle (optional): Title for the cancel button. Default to 'Cancel'.
• maxWidth (optional): Maximum width for the resized image.
• maxHeight (optional): Maximum height for the resized image.
• aspect (optional): Aspect ratio for the image. Default to [4, 3].
• quality (optional): Quality of the resized image (0 to 1). Default to 0.8.
• allowsMultipleSelection (optional): Boolean indicating if multiple images can be selected.

Open Image Picker

To open an action sheet and allow the user to pick an image from the camera or photo library:

1import { openImagePicker } from '@rn-common/image-picker'
2
3const config = {
4  title: 'Select an option',
5  cameraTitle: 'Take a Photo',
6  photoLibraryTitle: 'Choose from Gallery',
7  cancelButtonTitle: 'Cancel',
8  maxWidth: 800,
9  maxHeight: 600,
10  aspect: [4, 3],
11  quality: 0.8,
12}
13
14openImagePicker(config)
15  .then((images) => {
16    console.log('Selected images:', images)
17  })
18  .catch((error) => {
19    console.error('Error picking images:', error)
20  })

Functions

openImageCameraPicker

Launches the camera for image capture.

openImageLibraryPicker

Opens the media library for image selection.

openImagePicker

Displays an action sheet with options to either take a photo or choose from the gallery.

Error Handling

• PERMISSION_DENIED: Thrown if the necessary permissions are not granted.
• CANCELLED: Thrown if the user cancels the image picking process.