migração flutter 2.2.1

lib/default_response_api.dart

@@ -1,6 +1,6 @@
 class DefaultResponseApi {
-  int errorCode;
-  String errorMessage;
+  int? errorCode;
+  String? errorMessage;
 
   DefaultResponseApi({this.errorCode, this.errorMessage});
 
@@ -18,11 +18,11 @@ class DefaultResponseApi {
 }
 
 class RegistraDeviceRequest {
-  int aPPMOBILECODIGO;
-  int pLATAFORMAMOBILECODIGO;
-  String dEVICETOKEN;
-  String mODELODEVICE;
-  int uSUCOD;
+  int? aPPMOBILECODIGO;
+  int? pLATAFORMAMOBILECODIGO;
+  String? dEVICETOKEN;
+  String? mODELODEVICE;
+  int? uSUCOD;
 
   RegistraDeviceRequest(
       {this.aPPMOBILECODIGO,
@@ -51,12 +51,12 @@ class RegistraDeviceRequest {
 }
 
 class ApiStatusResponse {
-  String sistema;
-  String upload;
-  String download;
-  String pagamento;
-  int errorCode;
-  String errorMessage;
+  String? sistema;
+  String? upload;
+  String? download;
+  String? pagamento;
+  int? errorCode;
+  String? errorMessage;
 
   ApiStatusResponse(
       {this.sistema,
@@ -77,12 +77,12 @@ class ApiStatusResponse {
 }
 
 class VersaoMinimaResponse {
-  int versaoMinima;
-  String linkLoja;
-  String nome;
-  int errorCode;
-  String errorMessage;
-  bool vOk;
+  int? versaoMinima;
+  String? linkLoja;
+  String? nome;
+  int? errorCode;
+  String? errorMessage;
+  bool? vOk;
 
   VersaoMinimaResponse({this.errorCode, this.errorMessage,this.linkLoja,this.nome,this.versaoMinima,this.vOk});