A Flutter plugin for Android automatic SMS verification using Google’s SMS retriever API . Currently supports on only Android.
To use this plugin, add sms_retriever_api as a dependency in your pubspec.yaml file.
SmsRetrieverApi.getAppSignature().then((signature){
print(signature); // use it in sms body.
return SmsRetrieverApi.startListening();}).then((x){
String smsCode = x; // otp code (digit only)
print("sms - $smsCode");
//stop listening for sms
SmsRetrieverApi.stopListening();
}).catchError((_){
print("sms error");
});