null safety

lib/pages/widgets/input_text.dart

@@ -6,20 +6,20 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 class InputText extends StatelessWidget {
-  final String labelTextKey;
-  final IconData iconData;
-  final TextEditingController controller;
-  final FormFieldValidator<String> validator;
+  final String? labelTextKey;
+  final IconData? iconData;
+  final TextEditingController? controller;
+  final FormFieldValidator<String>? validator;
   final int maxLines;
   final bool withBorder;
-  final Color borderColor;
-  final TextInputType textInputType;
+  final Color? borderColor;
+  final TextInputType? textInputType;
   final bool autoFocus;
   final TextAlign textAlign;
   final bool enabled;
 
   const InputText(
-      {Key key,
+      {Key? key,
       this.labelTextKey,
       this.iconData,
       this.controller,
@@ -30,7 +30,7 @@ class InputText extends StatelessWidget {
       this.autoFocus = false,
       this.textInputType,
       this.enabled = true,
-      this.textAlign})
+      this.textAlign = TextAlign.start})
       : super(key: key);
   @override
   Widget build(BuildContext context) {
@@ -46,7 +46,7 @@ class InputText extends StatelessWidget {
           style: textStyle,
           maxLines: maxLines,
           keyboardType: textInputType,
-          textAlign: textAlign ?? TextAlign.start,
+          textAlign: textAlign,
           decoration: new InputDecoration(
             // hintText: '',
             hintStyle: TextStyle(
@@ -54,7 +54,7 @@ class InputText extends StatelessWidget {
             ),
             labelText: labelTextKey == null
                 ? null
-                : AppTranslations.of(context).text(labelTextKey),
+                : AppTranslations.of(context)!.text(labelTextKey!),
             labelStyle: languageModel.isEng
                 ? newLabelStyle(color: Colors.black54, fontSize: 20)
                 : newLabelStyleMM(color: Colors.black54, fontSize: 20),