1.更新homepage

lib/pages/home_page/home_page.dart

@@ -492,3 +492,46 @@ class _HomePageState extends State<HomePage> with WidgetsBindingObserver, Ticker
     }
   }
 }
+
+final RouteObserver<Route> lifeObserver = RouteObserver();
+
+abstract class LifeState<T extends StatefulWidget> extends State<T> with RouteAware {
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void didChangeDependencies() {
+    lifeObserver.subscribe(this, ModalRoute.of(context));
+    super.didChangeDependencies();
+  }
+
+  @override
+  void dispose() {
+    lifeObserver.unsubscribe(this);
+    super.dispose();
+  }
+
+  void didPop() {
+    onPaused();
+  }
+
+  void didPopNext() {
+    onResume();
+    print("回到首页");
+    setState(() {});
+  }
+
+  void didPush() {
+    onResume();
+  }
+
+  void didPushNext() {
+    onPaused();
+  }
+
+  void onResume();
+
+  void onPaused();
+}