feat: ✨Added card holder text capitalization feasibility

Author: Sahil Totala

Diff for: CHANGELOG.md

@@ -4,6 +4,8 @@
 - Fixed Gyroscope initialization issue [#173](https://github.com/SimformSolutionsPvtLtd/flutter_credit_card/issues/173).
 - Fixed Namespace Not Found issue [#176](https://github.com/SimformSolutionsPvtLtd/flutter_credit_card/issues/176).
 - Fixed Gradle issues [#181](https://github.com/SimformSolutionsPvtLtd/flutter_credit_card/pull/181).
+- Added `isCardHolderNameUpperCase` to make card holder text field always accept uppercase [#174](https://github.com/SimformSolutionsPvtLtd/flutter_credit_card/issues/174).
+- Added support for 'mir' cards [#159](https://github.com/SimformSolutionsPvtLtd/flutter_credit_card/pull/159).
 
 # [4.0.1](https://github.com/SimformSolutionsPvtLtd/flutter_credit_card/tree/4.0.1)
 

Diff for: README.md

@@ -211,6 +211,7 @@ import 'package:flutter_credit_card/flutter_credit_card.dart';
       expiryDateValidator: (String? expiryDate){},
       cvvValidator: (String? cvv){},
       cardHolderValidator: (String? cardHolderName){},
+      isCardHolderNameUpperCase: true,
       onFormComplete: () {
       // callback to execute at the end of filling card data
       },

Diff for: lib/src/credit_card_form.dart

@@ -1,8 +1,10 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/src/services/text_formatter.dart';
 
 import '../flutter_credit_card.dart';
 import 'masked_text_controller.dart';
 import 'utils/constants.dart';
+import 'utils/helpers.dart';
 import 'utils/typedefs.dart';
 import 'utils/validators.dart';
 
@@ -35,6 +37,7 @@ class CreditCardForm extends StatefulWidget {
     this.cardHolderValidator,
     this.onFormComplete,
     this.disableCardNumberAutoFillHints = false,
+    this.isCardHolderNameUpperCase = false,
     super.key,
   });
 
@@ -134,6 +137,9 @@ class CreditCardForm extends StatefulWidget {
   /// [https://github.com/flutter/flutter/issues/104604](https://github.com/flutter/flutter/issues/104604).
   final bool disableCardNumberAutoFillHints;
 
+  /// When true card holder field will make all the input value to uppercase
+  final bool isCardHolderNameUpperCase;
+
   @override
   State<CreditCardForm> createState() => _CreditCardFormState();
 }
@@ -298,6 +304,14 @@ class _CreditCardFormState extends State<CreditCardForm> {
                 textInputAction: TextInputAction.done,
                 autofillHints: const <String>[AutofillHints.creditCardName],
                 onEditingComplete: _onHolderNameEditComplete,
+                textCapitalization: widget.isCardHolderNameUpperCase
+                    ? TextCapitalization.characters
+                    : TextCapitalization.none,
+                inputFormatters: widget.isCardHolderNameUpperCase
+                    ? <TextInputFormatter>[
+                        UpperCaseTextFormatter(),
+                      ]
+                    : null,
                 validator: widget.cardHolderValidator,
               ),
             ),

Diff for: lib/src/plugin/flutter_credit_card_method_channel.dart

@@ -77,9 +77,12 @@ class MethodChannelFlutterCreditCard extends FlutterCreditCardPlatform {
 
   @override
   Future<void> dispose() async {
+    if (_isGyroscopeAvailable) {
+      await cancelEvents();
+    }
     _isGyroscopeAvailable = false;
     _gyroscopeEventChannel = null;
-    await cancelEvents();
+
     _methodChannel = null;
   }
 }

Diff for: lib/src/utils/helpers.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/services.dart';
 import 'package:flutter/widgets.dart';
 
 import '../models/custom_card_type_icon.dart';
@@ -87,3 +88,14 @@ Widget getCardTypeImage({
     },
   ).cardImage;
 }
+
+class UpperCaseTextFormatter extends TextInputFormatter {
+  @override
+  TextEditingValue formatEditUpdate(
+      TextEditingValue oldValue, TextEditingValue newValue) {
+    return TextEditingValue(
+      text: newValue.text.toUpperCase(),
+      selection: newValue.selection,
+    );
+  }
+}