initial commit: push everything

lib/views/introscreens/introscreen.dart

@@ -0,0 +1,82 @@
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:nearle/views/helpers/constants/Colorconstants.dart';
+import 'package:nearle/views/introscreens/intro1.dart';
+import 'package:nearle/views/introscreens/intro2.dart';
+import 'package:nearle/views/introscreens/intro3.dart';
+import 'package:nearle/views/onboardscreens/Sign_in.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:smooth_page_indicator/smooth_page_indicator.dart';
+
+class Introscreen extends StatefulWidget {
+  const Introscreen({super.key});
+
+  @override
+  State<Introscreen> createState() => _IntroscreenState();
+}
+
+class _IntroscreenState extends State<Introscreen> {
+  late final PageController _controller;
+  static const String _prefsHasSeenIntroKey = 'has_seen_intro';
+
+  void _finishOnboarding() {
+    _completeOnboarding();
+  }
+
+  Future<void> _completeOnboarding() async {
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      await prefs.setBool(_prefsHasSeenIntroKey, true);
+    } catch (_) {}
+
+    if (!mounted) return;
+    Get.offAll(() => const SignIn());
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _controller = PageController();
+  }
+
+  @override
+  void dispose() {
+    _controller.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Stack(
+        alignment: Alignment.bottomCenter, // positions the indicator
+        children: [
+          PageView(
+            controller: _controller,
+            children: [
+              Intro1(),
+              Intro2(),
+              Intro3(controller: _controller, onFinish: _finishOnboarding),
+            ],
+          ),
+          Container(
+            // Move indicator slightly up so it doesn't sit under the bottom curve
+            alignment: const Alignment(0, 0.55),
+            child: SmoothPageIndicator(
+              controller: _controller,
+              count: 3,
+              effect: ExpandingDotsEffect(
+                expansionFactor: 3, // How much the active dot expands
+                dotHeight: 7,
+                dotWidth: 7,
+                spacing: 8,
+                dotColor: Colors.grey,
+                activeDotColor: ColorConstants.primaryColor,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}