UX: improve search: button and keyboard action

MR: fix bad widget ancestor when popUntil at the end of onboarding + UX: improve certification popup

See merge request clients/gecko!45

assets/translations/en.json

@@ -169,7 +169,7 @@
     "deleteThisWallet": "Delete this wallet",
     "cancel": "Cancel",
     "inBlockchainResult": "In {} blockchain",
-    "search": "Search",
+    "search": "Search an identity\nor an address",
     "currencyNode": "{} node :",
     "contactsManagementWithNbr": "My contacts ({})",
     "contactsManagement": "My contacts",

assets/translations/es.json

@@ -170,7 +170,7 @@
     "deleteThisWallet": "Borrar este monedero",
     "cancel": "Cancelar",
     "inBlockchainResult": "En la blockchain {}",
-    "search": "Buscar",
+    "search": "Buscar una identidad\no una dirección",
     "currencyNode": "Nodo {} :",
     "contactsManagementWithNbr": "Mis contactos ({})",
     "contactsManagement": "Mis contactos",

assets/translations/fr.json

@@ -170,7 +170,7 @@
     "deleteThisWallet": "Supprimer ce portefeuille",
     "cancel": "Annuler",
     "inBlockchainResult": "Dans la blockchain {}",
-    "search": "Rechercher",
+    "search": "Rechercher une identité\nou une adresse",
     "currencyNode": "Noeud {} :",
     "contactsManagementWithNbr": "Mes contacts ({})",
     "contactsManagement": "Mes contacts",

lib/screens/search.dart

@@ -18,6 +18,7 @@ class SearchScreen extends StatelessWidget {
   Widget build(BuildContext context) {
     final searchProvider = Provider.of<SearchProvider>(context);
     final screenHeight = MediaQuery.of(context).size.height;
+    String callback() => 'tata';
     // final _homeProvider =
     //     Provider.of<HomeProvider>(context, listen: false);
 
@@ -51,6 +52,17 @@ class SearchScreen extends StatelessWidget {
               Padding(
                 padding: const EdgeInsets.symmetric(horizontal: 17),
                 child: TextField(
+                  onSubmitted: searchProvider.searchController.text.length >= 2
+                      ? (_) {
+                          Navigator.push(
+                            context,
+                            MaterialPageRoute(builder: (context) {
+                              return const SearchResultScreen();
+                            }),
+                          );
+                        }
+                      : (value) {},
+                  textInputAction: TextInputAction.search,
                   key: keySearchField,
                   controller: searchProvider.searchController,
                   autofocus: true,
@@ -89,8 +101,8 @@ class SearchScreen extends StatelessWidget {
               ),
               const Spacer(flex: 1),
               SizedBox(
-                width: 410,
-                height: 70,
+                width: 320,
+                height: 90,
                 child: ElevatedButton(
                   key: keyConfirmSearch,
                   style: ElevatedButton.styleFrom(
@@ -109,8 +121,9 @@ class SearchScreen extends StatelessWidget {
                       : null,
                   child: Text(
                     'search'.tr(),
+                    textAlign: TextAlign.center,
                     style: const TextStyle(
-                        fontSize: 24, fontWeight: FontWeight.w600),
+                        fontSize: 21, fontWeight: FontWeight.w600),
                   ),
                 ),
               ),