Flutter WeChat Camera Picker

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A camera picker which is an extension for wechat_assets_picker. Based on camera for camera functions and photo_manager for asset implementation.

Category 🗂

• Flutter WeChat Camera Picker
  • Category 🗂
  • Features ✨
  • Screenshots 📸
  • Preparing for use 🍭
  • Usage 📖
    • Simple usage
    • With configurations
  • Frequently asked question 💭
    • Why the orientation behavior is strange on iOS?
  • Contributors ✨

Features ✨

• 🔐 Non-nullable by default
• 💚 99% similar to WeChat style
• 📷 Picture taking support
  • ☀️ Exposure adjust support
  • 🔍️ Scale with pinch support
• 🎥 Video recording support
  • ⏱ Duration limitation support
  • 🔍 Scale when recording support
• 🖾 Foreground custom widget builder support

Screenshots 📸

Preparing for use 🍭

Version constraints

Flutter SDK: >=2.0.0 .

Setup

• wechat_assets_picker#preparing-for-use
• camera#installation

Android 13 (API 33) permissions

If you don't need to take photos or videos, consider removing relevant permission in your apps, more specifically:

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    package="com.your.app">
    <!-- Remove READ_MEDIA_IMAGES if you don't need to take photos. -->
    <uses-permission android:name="android.permission.READ_MEDIA_IMAGES" tools:node="remove" />
    <!-- Remove READ_MEDIA_VIDEO if you don't need to take videos. -->
    <uses-permission android:name="android.permission.READ_MEDIA_VIDEO" tools:node="remove" />
</manifest>

Usage 📖

Simple usage

final AssetEntity? entity = await CameraPicker.pickFromCamera(context);

With configurations

Use CameraPickerConfig for more picking behaviors.

final AssetEntity? entity = await CameraPicker.pickFromCamera(
  context,
  pickerConfig: const CameraPickerConfig(),
);

Fields in CameraPickerConfig:

Name	Type	Description	Default Value
enableRecording	bool	Whether the picker can record video.	false
onlyEnableRecording	bool	Whether the picker can only record video. Only available when enableRecording is true .	false
enableTapRecording	bool	Whether allow the record can start with single tap. Only available when enableRecording is true .	false
enableAudio	bool	Whether Whether the picker should record audio. Only available with recording.	true
enableSetExposure	bool	Whether users can set the exposure point by tapping.	true
enableExposureControlOnPoint	bool	Whether users can adjust exposure according to the set point.	true
enablePinchToZoom	bool	Whether users can zoom the camera by pinch.	true
enablePullToZoomInRecord	bool	Whether users can zoom by pulling up when recording video.	true
shouldDeletePreviewFile	bool	Whether the preview file will be delete when pop.	false
shouldAutoPreviewVideo	bool	Whether the video should be played instantly in the preview.	false
maximumRecordingDuration	Duration	The maximum duration of the video recording process.	const Duration(seconds: 15)
theme	ThemeData?	Theme data for the picker.	CameraPicker.themeData(wechatThemeColor)
textDelegate	CameraPickerTextDelegate?	Text delegate that controls text in widgets.	CameraPickerTextDelegate
resolutionPreset	ResolutionPreset	Present resolution for the camera.	ResolutionPreset.max
cameraQuarterTurns	int	The number of clockwise quarter turns the camera view should be rotated.	0
imageFormatGroup	ImageFormatGroup	Describes the output of the raw image format.	ImageFormatGroup.unknown
preferredLensDirection	CameraLensDirection	Which lens direction is preferred when first using the camera.	CameraLensDirection.back
lockCaptureOrientation	DeviceOrientation?	Whether the camera should be locked to the specific orientation during captures.	null
foregroundBuilder	ForegroundBuilder?	The foreground widget builder which will cover the whole camera preview.	null
previewTransformBuilder	PreviewTransformBuilder?	The widget builder which will transform the camera preview.	null
onEntitySaving	EntitySaveCallback?	The callback type define for saving entity in the viewer.	null
onError	CameraErrorHandler?	The error handler when any error occurred during the picking process.	null
onXFileCaptured	XFileCapturedCallback?	The callback type definition when the XFile is captured by the camera.	null

Using custom States

All user interface can be customized through custom States, including:

• CameraPickerState
• CameraPickerViewerState

After override States, pass them through the picking method, more specifically:

• CameraPicker.pickFromCamera(createPickerState: () => CustomCameraPickerState());
• CameraPickerViewer.pushToViewer(..., createViewerState: () => CustomCameraPickerViewerState());

Frequently asked question 💭

Why the orientation behavior is strange on iOS?

Currently, the preview is not correctly synced on the iOS. You can find more details in this issue: flutter/flutter#89216 . Other than that, please submit issues to describe your question.

Contributors ✨

Thank goes to these wonderful people (emoji key):

Alex Li 💻 🎨 📖 💡 🤔 🚧 💬 👀	Caijinglong 💡 🤔	Lael 📖	mjl0602 💻 🤔	AliasWang 💻 🤔	leftcoding 🐛	Luong The Vinh 💻
luomo-pro ️️️️♿️ 🐛	LeonardoZhu 💻

This project follows the all-contributors specification. Contributions of any kind welcome!