chore: removed deprecated APIs

Author: wilburx9

example/lib/main.dart

@@ -149,7 +149,9 @@ class _HomePageState extends State<HomePage> {
                 _verticalSizeBox,
                 Theme(
                   data: Theme.of(context).copyWith(
-                    accentColor: green,
+                    colorScheme: Theme.of(context)
+                        .colorScheme
+                        .copyWith(secondary: green),
                     primaryColorLight: Colors.white,
                     primaryColorDark: navyBlue,
                     textTheme: Theme.of(context).textTheme.copyWith(

lib/src/widgets/buttons.dart

@@ -46,7 +46,7 @@ class AccentButton extends StatelessWidget {
     return _BaseButton(
       onPressed: onPressed,
       showProgress: showProgress,
-      color: Theme.of(context).accentColor,
+      color: Theme.of(context).colorScheme.secondary,
       borderSide: BorderSide.none,
       textStyle: const TextStyle(
           fontSize: 14.0, color: Colors.white, fontWeight: FontWeight.bold),
@@ -105,8 +105,11 @@ class _BaseButton extends StatelessWidget {
                       width: 20.0,
                       height: 20.0,
                       child: new Theme(
-                          data: Theme.of(context)
-                              .copyWith(accentColor: Colors.white),
+
+                          data: Theme.of(context).copyWith(
+                              colorScheme: Theme.of(context)
+                                  .colorScheme
+                                  .copyWith(secondary: Colors.white)),
                           child: new CircularProgressIndicator(
                             strokeWidth: 2.0,
                           )),

lib/src/widgets/checkout/bank_checkout.dart

@@ -149,7 +149,7 @@ class _BankCheckoutState extends BaseCheckoutMethodState<BankCheckout> {
                         const BorderSide(color: Colors.grey, width: 0.5)),
                 focusedBorder: OutlineInputBorder(
                     borderSide: BorderSide(
-                        color: Theme.of(context).accentColor, width: 1.0)),
+                        color: Theme.of(context).colorScheme.secondary, width: 1.0)),
                 hintText: 'Tap here to choose',
               ),
               isEmpty: _currentBank == null,

lib/src/widgets/checkout/checkout_widget.dart

@@ -165,7 +165,7 @@ class _CheckoutWidgetState extends BaseState<CheckoutWidget>
   }
 
   Widget _buildTitle() {
-    final accentColor = Theme.of(context).accentColor;
+    final accentColor = Theme.of(context).colorScheme.secondary;
     var emailAndAmount = Column(
       crossAxisAlignment: CrossAxisAlignment.end,
       children: <Widget>[
@@ -237,7 +237,6 @@ class _CheckoutWidgetState extends BaseState<CheckoutWidget>
   Widget buildCheckoutMethods(Color accentColor) {
     return AnimatedSize(
       duration: const Duration(milliseconds: 300),
-      vsync: this,
       curve: Curves.fastOutSlowIn,
       child: new Container(
         color: Colors.grey.withOpacity(0.1),

lib/src/widgets/common/input_formatters.dart

@@ -1,4 +1,3 @@
-import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_paystack/src/common/utils.dart';
 

lib/src/widgets/custom_dialog.dart

@@ -1,6 +1,5 @@
 import 'dart:math' as math;
 
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 
 /// This is a modification of [AlertDialog]. A lot of modifications was made. The goal is

lib/src/widgets/input/base_field.dart

@@ -50,7 +50,7 @@ class BaseTextField extends StatelessWidget {
             borderSide: const BorderSide(color: Colors.grey, width: 0.5)),
         focusedBorder: OutlineInputBorder(
             borderSide:
-                BorderSide(color: Theme.of(context).accentColor, width: 1.0)),
+                BorderSide(color: Theme.of(context).colorScheme.secondary, width: 1.0)),
         hintText: hintText,
       ),
     );

lib/src/widgets/input/otp_field.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 
 class OtpField extends TextFormField {
   OtpField({FormFieldSetter<String>? onSaved, required Color borderColor})

lib/src/widgets/input/pin_field.dart

@@ -45,7 +45,7 @@ class _PinFieldState extends State<PinField> {
               borderSide: const BorderSide(color: Colors.grey, width: 0.5)),
           focusedBorder: OutlineInputBorder(
               borderSide:
-                  BorderSide(color: Theme.of(context).accentColor, width: 1.0)),
+                  BorderSide(color: Theme.of(context).colorScheme.secondary, width: 1.0)),
         ),
         onChanged: (String value) {
           if (value.length == widget.pinLength) {

lib/src/widgets/otp_widget.dart

@@ -50,7 +50,7 @@ class _OtpWidgetState extends BaseState<OtpWidget> {
                   padding: EdgeInsets.symmetric(horizontal: 10),
                   child: new OtpField(
                     onSaved: (String? value) => _otp = value,
-                    borderColor: Theme.of(context).accentColor,
+                    borderColor: Theme.of(context).colorScheme.secondary,
                   ),
                 ),
                 heightBox,

lib/src/widgets/pin_widget.dart

@@ -76,7 +76,7 @@ class _PinWidgetState extends BaseState<PinWidget> {
         children: List.generate(
             _startCount,
             (i) => star(i == (_startCount - 1)
-                ? Theme.of(context).accentColor
+                ? Theme.of(context).colorScheme.secondary
                 : Theme.of(context).primaryColorLight)),
       ),
     );

lib/src/widgets/sucessful_widget.dart

@@ -54,7 +54,7 @@ class _SuccessfulWidgetState extends State<SuccessfulWidget>
             }
           });
 
-    WidgetsBinding.instance!.addPostFrameCallback((_) => _startCountdown());
+    WidgetsBinding.instance.addPostFrameCallback((_) => _startCountdown());
   }
 
   @override
@@ -67,7 +67,7 @@ class _SuccessfulWidgetState extends State<SuccessfulWidget>
 
   @override
   Widget build(BuildContext context) {
-    final accentColor = Theme.of(context).accentColor;
+    final accentColor = Theme.of(context).colorScheme.secondary;
     return new Container(
       child: new CustomAnimatedWidget(
         controller: _mainController,

test/src/common/card_utils_test.dart

@@ -1,7 +1,6 @@
 import 'package:flutter_paystack/flutter_paystack.dart';
 import 'package:flutter_paystack/src/common/card_utils.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:matcher/matcher.dart';
 
 import 'case.dart';
 

test/src/common/utils_test.dart

@@ -2,7 +2,6 @@ import 'package:flutter/services.dart';
 import 'package:flutter_paystack/src/common/my_strings.dart';
 import 'package:flutter_paystack/src/common/utils.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:matcher/matcher.dart';
 
 void main() {
   const MethodChannel channel =