@spren/react-native

Spren Bridge

Requirements

	iOS	Android
Support	iOS 14+	API 28+

Features

• Records biological activity data.

Installation

npm install @spren/react-native --save

iOS

Add one row to the ios/Runner/Info.plist:

• one with the key Privacy - Camera Usage Description and a usage description.

If editing Info.plist as text, add:

<key>NSCameraUsageDescription</key>
<string>To measure your heart rate in order to provide you valuable insights.</string>

API

import {SprenView} from '@spren/react-native';
const sprenRef = useRef<SprenView>();
return (
  <SprenView
    ref={sprenRef}
    onStateChange={(event: IStateChange) => {})
    onProgressUpdate={(event: IProgressChange) => {})
    onReadingDataReady={async (event: IReadingDataReady) => {})
  >{children}</SprenView>
)

Method	Parameters	Description
sprenRef.current?.getReadingData()	string	Returns reading data information (needs to be called when reading is over)
sprenRef.current?.cancelReading()		Cancels the ongoing reading
sprenRef.current?.captureStart()		Starts camera capture
sprenRef.current?.captureStop()		Stops camera capture
sprenRef.current?.setAutoStart(bool) iOS only	true,false	Set reading auto start. autoStart by default is false. Set autoStart to true if you want reading to start automatically.
sprenRef.current?.dropComplexity() iOS only		Lower camera resolution and/or frame rate when phone load gets too high
sprenRef.current?.setTorchMode(string) iOS only	"0","1","2"	Configure flash light mode. torchMode possible values are: "0" - The capture device torch is always off. "1" - The capture device torch is always on. "2" - The capture device continuously monitors light levels and uses the torch when necessary.
sprenRef.current?.captureLock() iOS only		Locks camera device configuration
sprenRef.current?.captureUnlock() iOS only		Unlocks camera device configuration
sprenRef.current?.turnFlashOn() Android only		Sets Flash On
sprenRef.current?.reset() Android only		Reset new reading to the beginning state

Usage

For more elaborate usage example see here.

For a quick entry point, checkout these files:

• SprenView
• Recording