Initial commit - app-padrao-1.0

lib/shared/widgets/loading_button.dart

@@ -0,0 +1,66 @@
+import 'package:flutter/material.dart';
+import 'package:barber_app/core/theme/app_theme.dart';
+
+class LoadingButton extends StatelessWidget {
+  final String text;
+  final bool isLoading;
+  final VoidCallback onPressed;
+  final Color? backgroundColor;
+  final Color? textColor;
+  final IconData? icon;
+
+  const LoadingButton({
+    super.key,
+    required this.text,
+    required this.isLoading,
+    required this.onPressed,
+    this.backgroundColor,
+    this.textColor,
+    this.icon,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return AnimatedContainer(
+      duration: const Duration(milliseconds: 200),
+      height: 56,
+      child: ElevatedButton(
+        onPressed: isLoading ? null : onPressed,
+        style: ElevatedButton.styleFrom(
+          backgroundColor: backgroundColor ?? AppColors.primaryColor,
+          foregroundColor: textColor ?? AppColors.background,
+          disabledBackgroundColor: AppColors.primaryColor.withValues(
+            alpha: 0.5,
+          ),
+        ),
+        child: isLoading
+            ? SizedBox(
+                width: 24,
+                height: 24,
+                child: CircularProgressIndicator(
+                  strokeWidth: 2.5,
+                  valueColor: AlwaysStoppedAnimation<Color>(
+                    textColor ?? AppColors.background,
+                  ),
+                ),
+              )
+            : Row(
+                mainAxisAlignment: MainAxisAlignment.center,
+                children: [
+                  if (icon != null) ...[
+                    Icon(icon, size: 20),
+                    const SizedBox(width: 8),
+                  ],
+                  Text(
+                    text,
+                    style: const TextStyle(
+                      fontSize: 16,
+                      fontWeight: FontWeight.w600,
+                    ),
+                  ),
+                ],
+              ),
+      ),
+    );
+  }
+}