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expo-camera
Advanced tools
Readme
A React component that renders a preview for the device's either front or back camera. Camera's parameters like zoom, auto focus, white balance and flash mode are adjustable. With expo-camera, one can also take photos and record videos that are saved to the app's cache. Morever, the component is also capable of detecting faces and bar codes appearing on the preview.
For managed Expo projects, please follow the installation instructions in the API documentation for the latest stable release.
For bare React Native projects, you must ensure that you have installed and configured the expo
package before continuing.
npx expo install expo-camera
Add NSCameraUsageDescription
and NSMicrophoneUsageDescription
keys to your Info.plist
:
<key>NSCameraUsageDescription</key>
<string>Allow $(PRODUCT_NAME) to use the camera</string>
<key>NSMicrophoneUsageDescription</key>
<string>Allow $(PRODUCT_NAME) to use the microphone</string>
Run npx pod-install
after installing the npm package.
This package automatically adds the CAMERA
permission to your app. If you want to record videos with audio, you have to include the RECORD_AUDIO
.
<!-- Added permissions -->
<uses-permission android:name="android.permission.CAMERA" />
<!-- Optional permissions -->
<uses-permission android:name="android.permission.RECORD_AUDIO" />
Adjust the android/build.gradle
to add a new maven
block after all other repositories as described below:
allprojects {
repositories {
// * Your other repositories here *
// * Add a new maven block after other repositories / blocks *
maven {
// expo-camera bundles a custom com.google.android:cameraview
url "$rootDir/../node_modules/expo-camera/android/maven"
}
}
}
The sourcecode for cameraview
can be found at expo/cameraview
.
Contributions are very welcome! Please refer to guidelines described in the contributing guide.
FAQs
A React component that renders a preview for the device's either front or back camera. Camera's parameters like zoom, auto focus, white balance and flash mode are adjustable. With expo-camera, one can also take photos and record videos that are saved to t
The npm package expo-camera receives a total of 55,615 weekly downloads. As such, expo-camera popularity was classified as popular.
We found that expo-camera demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 32 open source maintainers collaborating on the project.
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