criada as telas tela_avisos.dart, tela_detalhes_avisos.dart e tela_contatos.dart

lib/utils/colors.dart

@@ -1,17 +0,0 @@
-import 'package:flutter/material.dart';
-
-class PaletteColors{
-  static const Color white = Colors.white;
-  static const Color primaryColor = Color(0xffBB0202);
-  static const Color secundColor = Color(0xffFF9E75);
-  static const Color backPage = Color(0xffdfdfdf);
-  static const Color bgColor = Color(0xff3A3A3A);
-  static const Color grey = Color (0xff757575);
-  static const Color divider = Color (0xffc9c9c9);
-  static const Color greyInput = Color (0xffE1E1E1);
-  static const Color lightGrey = Color(0xffD0D0D0);
-  static const Color midGrey = Color(0xffC4C4C4);
-  static const Color backGrey = Color(0xffE9E9E9);
-  static const Color green = Color(0xff06790c);
-  static const Color appBar = Color(0xff3A3A3A);
-}

lib/utils/cores.dart

@@ -0,0 +1,14 @@
+import 'package:flutter/material.dart';
+
+class PaletaCores{
+  static const Color branco = Colors.white;
+  static const Color corPrimaria = Color(0xffBB0202);
+  static const Color fundoTela = Color(0xffdfdfdf);
+  static const Color cinza = Color (0xff757575);
+  static const Color cinzaEscuro = Color (0xff545050);
+  static const Color cinzaClaro = Color (0xff7A7A7A);
+  static const Color divider = Color (0xffc9c9c9);
+  static const Color cinzaInput = Color (0xffE1E1E1);
+  static const Color notificacao = Color (0xffBB0202);
+  static const Color appBar = Color(0xff3A3A3A);
+}

lib/utils/dimensoes.dart

@@ -0,0 +1,13 @@
+import 'package:flutter/material.dart';
+
+class Dimensoes {
+  static MediaQueryData media = MediaQueryData();
+  static double width = 0.0;
+  static double height = 0.0;
+
+  void init(BuildContext context) {
+    media = MediaQuery.of(context);
+    width = media.size.width;
+    height = media.size.height;
+  }
+}