ne0z / react-native-uvc-camera

A React Native component to access to UVC web camera on non-rooted Android device

React Native UVC Camera

A React Native component to access to UVC web camera on non-rooted Android device, a combination of React Native Camera and UVCCamera .

UvcCameraManager is an example.

Installation (Android)

• Add android/local.properties , android-ndk need just r14b in NDK Archives, e.g.

sdk.dir=D\:\\proj\\tools\\android-sdk
ndk.dir=D\:\\proj\\tools\\android-ndk-r14b

• In android/settings.gradle

...
include ':react-native-uvc-camera'
project(':react-native-uvc-camera').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-uvc-camera/android')
include ':usbCameraCommon'
project(':usbCameraCommon').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-uvc-camera/usbCameraCommon')
include ':libuvccamera'
project(':libuvccamera').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-uvc-camera/libuvccamera')
include ':react-native-camera'
project(':react-native-camera').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-camera/android')

• In android/app/build.gradle

...
android {
    ...
    defaultConfig {
        ...
        minSdkVersion 18
        ...
    }
    ...
}
...
repositories {
    maven { url 'http://raw.github.com/saki4510t/libcommon/master/repository/' }
}

dependencies {
    compile project(':react-native-uvc-camera')
    compile ('com.facebook.react:react-native:0.51.0') { force = true }
    ...
}

• In android/app/src/main/AndroidManifest.xml

...
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-sdk
        android:minSdkVersion="18"

To enable video recording feature you have to add the following code:

    <uses-permission android:name="android.permission.RECORD_AUDIO"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />

• In android/build.gradle

...
ext {
    compileSdkVersion           = 26
    targetSdkVersion            = 26
    buildToolsVersion           = "26.0.2"
    googlePlayServicesVersion   = "12.0.1"
    supportLibVersion           = "27.1.0"
    versionBuildTool            = "26.0.2"
    versionCompiler             = 26
    versionTarget               = 26
    commonLibVersion            = "1.5.20"
    javaSourceCompatibility     = JavaVersion.VERSION_1_7
    javaTargetCompatibility     = JavaVersion.VERSION_1_7
}

Usage

Take a look into this RNCamera doc.

UvcCamera Properties additional to RNCamera:

rotation

Values: 0, 90, 180, or 270.

Most USB cameras have different rotation by default. It adjusts your camera rotation by your own.

Customization

As said in android/src/main/java/org/reactnative/cameraview/CameraUvc.java :

    public void onStartPreview(){
        // some USB camera will not return onPictureTaken and onVideoRecorded by uncomment some of bellow, test them by your own
        // updateAutoFocus();
        // updateFlash();
        // updateFocusDepth();
        // updateWhiteBalance();
        // updateZoom();
    }