I'm using "react-native-fingerprint-scanner": "^6.0.0" it works fine on emulator. But when I built apk it taking too much time(3 or 4 second) to authenticate on a real device. What can i do?
Here is my code:
const SplashBeforeFingerprint = ({ navigation }) => {
useEffect(() => {
FingerprintScanner
.authenticate({ description: 'Scan your fingerprint on the device scanner to continue' })
.then(() => {
/// nothing to do
})
.catch((error) => {
Alert.alert(
"Authentication failed",
"Your fingerprint doesn't matches! Try agin later!",
[
{
text: "Exit",
onPress: () => BackHandler.exitApp(),
style: "cancel"
},
],
{ cancelable: false });
});
}, []);
return (
<ImageBackground source={require("../img/Splash2.png")} style={styles.imageContainer} >
<View style={styles.buttonContainer} >
<AppButton style={styles.button} textStyle={styles.text} name={"Go to Home"} onPress={() => navigation.reset({
index: 2,
routes: [{ name: 'NewWallet' }],
})} />
</View>
</ImageBackground>
) }
I cannot comment. I had similar problem. Behavior: first run of the screen - nothing happens, after around 10 seconds, it showed dialog to auth. If auth was ok or canceled, later it opened imidiately.
I installed these packages: react-native-pincode, @react-native-async-storage/async-storage and react-native-keychain.
So, solution was to uninstall them. Folow answer from this post: How to unlink library from react-native project
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