> For the complete documentation index, see [llms.txt](https://docs.accurascan.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.accurascan.com/solutions/face-liveness-2d-silent-passive/flutter/setup-accura-face-liveness.md).

# Setup Accura Face Liveness

## Method for liveness check.

Contact to <connect@accurascan.com> to get API or liveness SDK

```
Future<void> startLiveness() async{
SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
try{
var accuraConfs = {
  "face_uri":""
};

   await AccuraLiveness.setLivenessFeedbackTextSize(18);
   await AccuraLiveness.setLivenessFeedBackframeMessage("Frame Your Face");
   await AccuraLiveness.setLivenessFeedBackAwayMessage("Move Phone Away");
   await AccuraLiveness.setLivenessFeedBackOpenEyesMessage("Keep Your Eyes Open");
   await AccuraLiveness.setLivenessFeedBackCloserMessage("Move Phone Closer");
   await AccuraLiveness.setLivenessFeedBackCenterMessage("Move Phone Closer");
   await AccuraLiveness.setLivenessFeedbackMultipleFaceMessage("Multiple Face Detected");
   await AccuraLiveness.setLivenessFeedBackFaceSteadymessage("Keep Your Head Straight");
   await AccuraLiveness.setLivenessFeedBackBlurFaceMessage("Blur Detected Over Face");
   await AccuraLiveness.setLivenessFeedBackGlareFaceMessage("Glare Detected");
   await AccuraLiveness.setLivenessBlurPercentage(80);
   await AccuraLiveness.setLivenessGlarePercentage_0(-1);
   await AccuraLiveness.setLivenessGlarePercentage_1(-1);
   await AccuraLiveness.setLivenessFeedBackLowLightMessage("Low light detected");
   await AccuraLiveness.setLivenessfeedbackLowLightTolerence(39);
   await AccuraLiveness.setLivenessURL("You Liveness Url");



   await AccuraLiveness.startLiveness([accuraConfs])
    .then((value) => {
  setState((){
    dynamic result = json.decode(value);
  })
}).onError((error, stackTrace) => {
});
}on PlatformException{}
}
```

**Success:** JSON Response {detect: URI?, face\_score: Float, score: Float}

**Error:** String

***


---

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