fingerprint Working now on android

lib/screens/auth/login_screen.dart

@@ -10,7 +10,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 import '../../widgets/auth/auth_header.dart';
 import '../../widgets/auth/login_form.dart';
 
-DrAppSharedPreferances SharedPref = new DrAppSharedPreferances();
+DrAppSharedPreferances sharedPref = new DrAppSharedPreferances();
 class Loginsreen extends StatefulWidget {
   @override
   _LoginsreenState createState() => _LoginsreenState();
@@ -25,7 +25,7 @@ class _LoginsreenState extends State<Loginsreen> {
   Future<String> platformImeiFuture;
 
   Future<void> getSharedPref() async {
-    SharedPref.getString('platformImei').then((imei){
+    sharedPref.getString('platformImei').then((imei){
       platformImei = imei;
     });
   }

lib/util/dr_app_toast_msg.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_flexible_toast/flutter_flexible_toast.dart';
- mixin DrAppToastMsg {
+ class DrAppToastMsg {
   void showLongToast(msg) {
     FlutterFlexibleToast.showToast(
       message: msg,

lib/widgets/auth/known_user_login.dart

@@ -2,7 +2,9 @@ import 'dart:collection';
 import 'dart:ffi';
 
 import 'package:doctor_app_flutter/config/config.dart';
+import 'package:doctor_app_flutter/routes.dart';
 import 'package:doctor_app_flutter/util/dr_app_shared_pref.dart';
+import 'package:doctor_app_flutter/util/dr_app_toast_msg.dart';
 import 'package:doctor_app_flutter/widgets/shared/dr_app_circular_progress_Indeicator.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -10,7 +12,8 @@ import 'package:hexcolor/hexcolor.dart';
 import 'package:local_auth/local_auth.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
-DrAppSharedPreferances SharedPref = new DrAppSharedPreferances();
+DrAppSharedPreferances sharedPref = new DrAppSharedPreferances();
+DrAppToastMsg toastMsg = DrAppToastMsg();
 
 class KnownUserLogin extends StatefulWidget {
   @override
@@ -25,7 +28,7 @@ class _KnownUserLoginState extends State<KnownUserLogin> {
   Future<String> loggedUserFuture;
   var loggedUser;
   Future<void> getSharedPref() async {
-    SharedPref.getObj('loggedUser').then((userInfo) {
+    sharedPref.getObj('loggedUser').then((userInfo) {
       // if(loggedUser == null){}
       loggedUser = userInfo;
       // print('dddddddddddddddd${loggedUser}');
@@ -156,14 +159,14 @@ class _KnownUserLoginState extends State<KnownUserLogin> {
       child: Column(
         children: <Widget>[
           RaisedButton(
-            onPressed:_authenticate,
+            onPressed: _silentLogin,
             elevation: 0.0,
             child: Container(
               width: double.infinity,
               height: 50,
               child: Center(
                 child: Text(
-                  "Verify using FingerPRint ${_authorized}".toUpperCase(),
+                  "Verify using FingerPRint".toUpperCase(),
                   // textAlign: TextAlign.center,
                   style: TextStyle(
                       color: Colors.white,
@@ -210,13 +213,15 @@ class _KnownUserLoginState extends State<KnownUserLogin> {
     Navigator.of(context).pushNamed('routeName');
   }
 
-  silentLogin() {
-    _authenticate();
+  _silentLogin() {
+    _authenticate().then((_) {
+      // print('$val');
+      print(_authorized);
+    });
   }
- 
- 
- Future<void> _authenticate() async {
-   _getAvailableBiometrics();
+
+  Future<void> _authenticate() async {
+    _getAvailableBiometrics();
     bool authenticated = false;
     try {
       setState(() {
@@ -226,7 +231,7 @@ class _KnownUserLoginState extends State<KnownUserLogin> {
       authenticated = await auth.authenticateWithBiometrics(
           localizedReason: 'Scan your fingerprint to authenticate',
           useErrorDialogs: true,
-          stickyAuth: true);
+          stickyAuth: false);
       setState(() {
         _isAuthenticating = false;
         _authorized = 'Authenticating';
@@ -237,13 +242,17 @@ class _KnownUserLoginState extends State<KnownUserLogin> {
     if (!mounted) return;
 
     final String message = authenticated ? 'Authorized' : 'Not Authorized';
+    if (message == 'Authorized') {
+      navigateToHome();
+    }
     setState(() {
-      print('_authorized'+_authorized);
+      print('_authorized' + _authorized);
       _authorized = message;
+      print('_authorized' + _authorized);
     });
   }
 
-    Future<void> _getAvailableBiometrics() async {
+  Future<void> _getAvailableBiometrics() async {
     List<BiometricType> availableBiometrics;
     try {
       availableBiometrics = await auth.getAvailableBiometrics();
@@ -256,4 +265,12 @@ class _KnownUserLoginState extends State<KnownUserLogin> {
       print('availableBiometrics $availableBiometrics');
     });
   }
+
+  navigateToHome() {
+    Navigator.of(context).pushNamed(HOME);
+  }
+
+  showErorrMsg(localMsg) {
+    toastMsg.showErrorToast(localMsg);
+  }
 }

lib/widgets/auth/login_form.dart

@@ -12,7 +12,8 @@ import '../../providers/auth_provider.dart';
 import '../../routes.dart';
 import '../../util/dr_app_shared_pref.dart';
 
-DrAppSharedPreferances SharedPref = DrAppSharedPreferances();
+DrAppSharedPreferances sharedPref = DrAppSharedPreferances();
+DrAppToastMsg toastMsg =  DrAppToastMsg();
 
 class LoginForm extends StatefulWidget with DrAppToastMsg {
   LoginForm({
@@ -309,8 +310,8 @@ class _LoginFormState extends State<LoginForm> {
   }
 
   Future<void> setSharedPref(key, value) async {
-    SharedPref.setString(key, value).then(( success) {
-      print("SharedPref.setString" + success.toString());
+    sharedPref.setString(key, value).then(( success) {
+      print("sharedPref.setString" + success.toString());
     });
   }
 
@@ -337,10 +338,10 @@ class _LoginFormState extends State<LoginForm> {
       localMsg = msg.toString();
     }
 
-    widget.showErrorToast(localMsg);
+    toastMsg.showErrorToast(localMsg);
   }
 
   saveObjToString(String key, value) async {
-    SharedPref.setObj(key, value);
+    sharedPref.setObj(key, value);
   }
 }