From 2653dbd8841e2eec117e6b5e40e9d1180e27dc20 Mon Sep 17 00:00:00 2001
From: Simone Sestito <simone.dev.help@gmail.com>
Date: Mon, 29 Oct 2018 12:09:27 +0100
Subject: [PATCH] Go to HomeFragment on back pressed

---
 lib/route/HomeRoute.dart | 33 +++++++++++++++++++++++++++------
 1 file changed, 27 insertions(+), 6 deletions(-)

diff --git a/lib/route/HomeRoute.dart b/lib/route/HomeRoute.dart
index 77d81fe..951df66 100644
--- a/lib/route/HomeRoute.dart
+++ b/lib/route/HomeRoute.dart
@@ -45,7 +45,12 @@ class HomeRouteState extends State<HomeRoute> {
         children: <Widget>[
           Padding(
             padding: EdgeInsets.only(bottom: BOTTOM_BAR_HEIGHT),
-            child: SafeArea(child: currentFragment),
+            child: SafeArea(
+              child: WillPopScope(
+                child: currentFragment,
+                onWillPop: _willPopCallback,
+              ),
+            ),
           ),
           Align(
             alignment: Alignment.bottomCenter,
@@ -53,11 +58,14 @@ class HomeRouteState extends State<HomeRoute> {
               buttons: <Widget>[
                 Image.asset("assets/img/ic_home_news.png", color: Colors.white),
                 GestureDetector(
-                    child: RocketHero(),
-                    onVerticalDragEnd: (_) =>
-                        Navigator.of(context).pushNamed("/faq")),
-                Image.asset("assets/img/home_collection.png",
-                    color: Colors.white),
+                  child: RocketHero(),
+                  onVerticalDragEnd: (_) =>
+                      Navigator.of(context).pushNamed("/faq"),
+                ),
+                Image.asset(
+                  "assets/img/home_collection.png",
+                  color: Colors.white,
+                ),
               ],
               clickListener: (index) {
                 switch (index) {
@@ -88,4 +96,17 @@ class HomeRouteState extends State<HomeRoute> {
       ),
     );
   }
+
+  Future<bool> _willPopCallback() async {
+    if (currentFragment is HomeFragment) {
+      // Call .pop() as usual
+      return true;
+    } else {
+      // Go back to home fragment
+      setState(() {
+        currentFragment = HomeFragment();
+      });
+      return false;
+    }
+  }
 }