Fix a few notices

lib/ui/dialogs/alert_dialog.dart

@@ -11,9 +11,7 @@ Future<void> alert(BuildContext context, String? msg) async {
 class _AlertDialog extends StatelessWidget {
   final String msg;
 
-  const _AlertDialog({Key? key, required this.msg})
-      : assert(msg != null),
-        super(key: key);
+  const _AlertDialog({Key? key, required this.msg}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

lib/ui/dialogs/audio_player_dialog.dart

@@ -19,8 +19,7 @@ class _AudioPlayerDialog extends StatefulWidget {
   const _AudioPlayerDialog({
     Key? key,
     required this.url,
-  })  : assert(url != null),
-        super(key: key);
+  })  : super(key: key);
 
   @override
   __AudioPlayerDialogState createState() => __AudioPlayerDialogState();

lib/ui/dialogs/input_new_password_dialog.dart

@@ -12,8 +12,6 @@ Future<String?> showInputNewPassword({
   required BuildContext context,
   required UserInfoForPassword userInfo,
 }) async {
-  assert(context != null);
-  assert(userInfo != null);
   return await showDialog(
       context: context,
       builder: (c) => _InputNewPasswordDialog(
@@ -27,8 +25,7 @@ class _InputNewPasswordDialog extends StatefulWidget {
   const _InputNewPasswordDialog({
     Key? key,
     required this.userInfo,
-  })  : assert(userInfo != null),
-        super(key: key);
+  })  : super(key: key);
 
   @override
   __InputNewPasswordDialogState createState() =>
@@ -45,7 +42,8 @@ class __InputNewPasswordDialogState extends State<_InputNewPasswordDialog> {
   bool get _input1Valid =>
       _controller1.currentState != null && _controller1.currentState!.valid;
 
-  bool get _input2Valid => _controller1.currentState!.value == _controller2.text;
+  bool get _input2Valid =>
+      _controller1.currentState!.value == _controller2.text;
 
   bool get _isValid => _input1Valid && _input2Valid;
 

lib/ui/dialogs/multi_choices_dialog.dart

@@ -51,9 +51,7 @@ class _MultiChoicesEntryDialog<T> extends StatefulWidget {
     required this.title,
     required this.defaultChoice,
     required this.choices,
-  })  : assert(title != null),
-        assert(defaultChoice != null),
-        assert(choices != null),
+  })  : assert(defaultChoice != null),
         super(key: key);
 
   @override

lib/ui/dialogs/pick_file_dialog.dart

@@ -39,10 +39,7 @@ class _PickFileOption {
     required this.label,
     required this.icon,
     required this.canEnable,
-  })  : assert(value != null),
-        assert(label != null),
-        assert(icon != null),
-        assert(canEnable != null);
+  });
 }
 
 List<_PickFileOption> get _optionsList => [
@@ -94,8 +91,6 @@ Future<BytesFile?> showPickFileDialog({
   int? imageMaxHeight,
   CropAspectRatio? aspectRatio,
 }) async {
-  assert(allowedMimeTypes != null);
-
   // Get the list of allowed extension
   final allowedExtensions = <String>[];
   for (var mime in allowedExtensions) {
@@ -196,9 +191,7 @@ class _BottomSheetPickOption extends StatelessWidget {
 
   const _BottomSheetPickOption(
       {Key? key, required this.options, required this.onOptionSelected})
-      : assert(options != null),
-        assert(onOptionSelected != null),
-        super(key: key);
+      : super(key: key);
 
   @override
   Widget build(BuildContext context) => Container(

lib/ui/dialogs/record_audio_dialog.dart

@@ -266,9 +266,7 @@ class _RecordAction extends StatelessWidget {
     required this.icon,
     required this.onTap,
     this.color,
-  })  : assert(visible != null),
-        assert(icon != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -287,9 +285,7 @@ class _ActionButton extends StatelessWidget {
     required this.visible,
     required this.text,
     this.onPressed,
-  })  : assert(visible != null),
-        assert(text != null),
-        super(key: key);
+  })  : super(key: key);
 
   @override
   Widget build(BuildContext context) {

lib/ui/dialogs/single_input_dialog.dart

@@ -27,12 +27,7 @@ class SingleInputDialog extends StatefulWidget {
     this.canBeEmpty = false,
     this.maxLines = 1,
     this.maxLength,
-  })  : assert(title != null),
-        assert(label != null),
-        assert(checkInput != null),
-        assert(errorMessage != null),
-        assert(maxLines != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   __InputURLDialogState createState() => __InputURLDialogState();

lib/ui/dialogs/virtual_directory_dialog.dart

@@ -18,11 +18,6 @@ Future<String?> showVirtualDirectoryDialog({
   required int id,
   required VirtualDirectoryTargetType type,
 }) async {
-  assert(context != null);
-  assert(initialDirectory != null);
-  assert(id != null);
-  assert(type != null);
-
   return await showDialog<String>(
       context: context,
       builder: (c) => _VirtualDirectoryPicker(
@@ -39,10 +34,7 @@ class _VirtualDirectoryPicker extends StatefulWidget {
     required this.initialDirectory,
     required this.id,
     required this.type,
-  })  : assert(initialDirectory != null),
-        assert(id != null),
-        assert(type != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   __VirtualDirectoryPickerState createState() =>

lib/ui/routes/forgot_password_route.dart

@@ -246,9 +246,7 @@ class _ResetPasswordBodyState extends SafeState<_ResetPasswordBody> {
 class _Spacer extends StatelessWidget {
   final bool visible;
 
-  const _Spacer({Key? key, this.visible = true})
-      : assert(visible != null),
-        super(key: key);
+  const _Spacer({Key? key, this.visible = true}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

lib/ui/routes/main_route/main_route.dart

@@ -50,8 +50,9 @@ abstract class MainController extends State<MainRoute> {
   int get numberOfPages => _pagesStack.length;
 
   /// Get current instance of Home controller
+  ///
+  /// A future implementation might need context again, that is why it is required
   static MainController? of(BuildContext context) {
-    assert(context != null); // A future implementation might need context again
     return mainControllerKey.currentState;
   }
 

lib/ui/routes/push_notifications_route.dart

@@ -126,7 +126,7 @@ class PushNotificationsConfigurationWidgetState
               available: srvConfig!.notificationsPolicy.hasFirebase,
               onChanged: (s) {
                 setState(() => currStatus = s);
-                if (widget.onChanged != null) widget.onChanged();
+                widget.onChanged();
               },
             ),
             SizedBox(height: 5),

lib/ui/routes/settings/custom_emojies_account_settings.dart

@@ -129,8 +129,7 @@ class _NewCustomEmojiDialog extends StatefulWidget {
   const _NewCustomEmojiDialog({
     Key? key,
     required this.currentList,
-  })  : assert(currentList != null),
-        super(key: key);
+  }) : super(key: key);
 
   @override
   _NewCustomEmojiDialogState createState() => _NewCustomEmojiDialogState();

lib/ui/screens/group_settings_screen.dart

@@ -35,8 +35,7 @@ class GroupSettingsScreen extends StatefulWidget {
   final int groupID;
 
   const GroupSettingsScreen({Key? key, required this.groupID})
-      : assert(groupID != null),
-        super(key: key);
+      : super(key: key);
 
   @override
   _GroupSettingsScreenState createState() => _GroupSettingsScreenState();

lib/ui/tiles/menu_tile.dart

@@ -8,7 +8,7 @@ class MenuTile extends StatelessWidget {
   final String title;
   final GestureTapCallback? onTap;
 
-  const MenuTile({required this.title, this.onTap}) : assert(title != null);
+  const MenuTile({required this.title, this.onTap});
 
   @override
   Widget build(BuildContext context) {