Fixes for type casting

analysis_options.yaml

@@ -1,8 +1,23 @@
 include: package:lint/analysis_options.yaml
 
+analyzer:
+  exclude: [build/**]
+  language:
+    strict-raw-types: true
+  strong-mode:
+    implicit-casts: false
+
 linter:
   rules:
   # ------ Disable individual rules ----- #
   #                 ---                   #
   # Turn off what you don't like.         #
   # ------------------------------------- #
+
+  # Make constructors the first thing in every class
+  sort_constructors_first: true
+
+  prefer_single_quotes: true
+
+  # Blindly follow the Flutter code style, which prefers types everywhere
+  always_specify_types: true