Methode zum abrufen der genres

lib/classification/classification.dart

@@ -11,7 +11,7 @@ import 'package:google_fonts/google_fonts.dart';
 Klasse & Screen zur Klassifizierung der Farben zu den Genres.
 Es gibt eine graue Default Seite wenn keine Farbe ausgewählt ist.
 Wenn eine Farbe ausgewählt wird, kann man das Genre dazu auswählen.
-Die Klassifiezierung wird dann in der Datenbank aktualisiert
+Die Klassifizierung wird dann in der Datenbank aktualisiert
  */
 
 class ClassificationPage extends StatefulWidget {
@@ -86,7 +86,10 @@ class _ClassificationPageState extends State<ClassificationPage> {
                       child: ListView(
                         children: <Widget>[
                           GestureDetector(
-                            onTap: (){
+                            onTap: () async {
+                              String genre = await changeFirebase().getGenreByHex('FF0000');
+                              print('Get genre by hex ' + genre);
+
                               if(!_redSelected){closeAll(); setState(() => _redSelected = true); }
                               else{closeAll();}
                               _ambientBackgroundColor = Colors.red;
@@ -460,4 +463,5 @@ class _ClassificationPageState extends State<ClassificationPage> {
       });
       _ambientBackgroundColor = Colors.grey.withOpacity(0.5);
     }
+
 }

lib/firebase.dart

@@ -36,12 +36,12 @@ class changeFirebase{
     return true;
   }
 
-  String getGenreByHex(String code){
+  Future<String> getGenreByHex(String code) async {
     switch (code){
       case 'FF0000':
-       return getGenreByColor('Red');
+       return await getGenreByColor('Red');
       case 'FFA500':
-        return getGenreByColor('Orange');
+        return await getGenreByColor('Orange');
       case 'FFFF00':
         return getGenreByColor('Yellow');
       case '00FF00':
@@ -59,17 +59,17 @@ class changeFirebase{
       case '000000':
         return getGenreByColor('Black');
     }
-    return '';
+    return 'nothing';
   }
 
-  String getGenreByColor(String color){
+
+  Future<String> getGenreByColor(String color) async {
     String genre = '';
-     FutureBuilder<DocumentSnapshot>(
-      future: FirebaseFirestore.instance.collection('classification').doc(id).get(),
-      builder: (BuildContext context, AsyncSnapshot<DocumentSnapshot> snapshot){
-        genre = snapshot.data![color];
-        return const SizedBox();
+    await FirebaseFirestore.instance.collection('classification').doc(id).get().then((snapshot) async {
+      genre = await snapshot.data()![color];
+      return genre;
     });
     return genre;
   }
+
 }
\ No newline at end of file

lib/loginRegister/login.dart

@@ -5,6 +5,7 @@ import 'package:firebase_auth/firebase_auth.dart';
 import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
 import 'package:page_transition/page_transition.dart';
+import 'package:google_fonts/google_fonts.dart';
 
 import '../homepage.dart';
 
@@ -51,10 +52,11 @@ class _LoginPageState extends State<LoginPage> {
         child : Column(
         children:[
           SizedBox(height: 80,),
-          const Expanded(
+           Expanded(
             child: Text(
               'Ambient!',
-              style: TextStyle(fontSize: 50.0, color: Colors.white),
+                style: GoogleFonts.cabin(
+                  fontSize: 50.0, color: Colors.white,),
             ),),
           Expanded(
           child: Column(

lib/loginRegister/registration.dart

@@ -6,6 +6,7 @@ import 'package:flutter/material.dart';
 import '../classification/classification.dart';
 import 'package:ambient/loginRegister/login.dart';
 import 'package:page_transition/page_transition.dart';
+import 'package:google_fonts/google_fonts.dart';
 
 /*
 Klasse zum Registrieren
@@ -47,16 +48,17 @@ class _RegistrationPage extends State<RegistrationPage> {
           backgroundColor: Colors.transparent,
           body: Center(
               child :Container(
-                  decoration:  const BoxDecoration(
+                  decoration: BoxDecoration(
                   ),
                   child: SizedBox(width: 250, height: 600,
                       child : Column(
                           children:[
                             SizedBox(height: 40,),
-                            const Expanded(
+                             Expanded(
                               child: Text(
                                 'Ambient!',
-                                style: TextStyle(fontSize: 50.0, color: Colors.white),
+                                style: GoogleFonts.cabin(
+                                  fontSize: 50.0, color: Colors.white,)
                               ),),
 
                           Expanded(