测试提交

lib/ui/home/home_page.dart

@@ -22,7 +22,7 @@ bool plone=false;
 
 @override
 
-class _HomePageState extends State<HomePage> {
+class _HomePageState extends State<HomePage> with WidgetsBindingObserver{
   @override
   void initState() {
     super.initState();
@@ -38,7 +38,23 @@ class _HomePageState extends State<HomePage> {
     plone =await Permission.phone.request().isGranted;
     setState(() {});
   }
-
+  void didChangeAppLifecycleState(AppLifecycleState state){
+    super.didChangeAppLifecycleState(state);
+    switch (state){
+      case AppLifecycleState.inactive:
+        print("1");
+        break;
+      case AppLifecycleState.resumed:
+        print("2");
+        break;
+      case AppLifecycleState.paused:
+        print("3");
+        break;
+      case AppLifecycleState.detached:
+        print("4");
+        break;
+    }
+  }
   @override
   Widget build(BuildContext context) {
     return Scaffold(