auto focus works using FocusNode, and onTapOutside

PR #554

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* auto focus works using FocusNode, and onTapOutside

* onClose() when app closed

Author: Om-34

lib/app/modules/home/controllers/home_controller.dart

@@ -61,6 +61,7 @@ class HomeController extends GetxController {
   late RxBool serverCertExists;
   final Rx<SupportedLanguage> selectedLanguage = SupportedLanguage.english.obs;
   final ScrollController scrollController = ScrollController();
+  final FocusNode searchFocusNode = FocusNode();
   final RxBool showbtn = false.obs;
   late TaskDatabase taskdb;
   var tasks = <TaskForC>[].obs;
@@ -480,6 +481,11 @@ class HomeController extends GetxController {
 
   void toggleSearch() {
     searchVisible.value = !searchVisible.value;
+    if (searchVisible.value) {
+      Future.delayed(const Duration(milliseconds: 300), () {
+        searchFocusNode.requestFocus();
+      });
+    }
     if (!searchVisible.value) {
       searchedTasks.assignAll(queriedTasks);
       searchController.text = '';
@@ -874,4 +880,9 @@ class HomeController extends GetxController {
   //           forReplica: taskReplica.value));
   //   Get.dialog(showDialog);
   // }
+  @override
+  void onClose() {
+    searchFocusNode.dispose();
+    super.onClose();
+  }
 }

lib/app/modules/home/views/home_page_body.dart

@@ -43,9 +43,13 @@ class HomePageBody extends StatelessWidget {
                           (tColors.primaryBackgroundColor!)),
                       controller: controller.searchController,
                       // shape:,
+                      focusNode: controller.searchFocusNode,
                       onChanged: (value) {
                         controller.search(value);
                       },
+                      onTapOutside: (event) {
+                        controller.searchFocusNode.unfocus();
+                      },
 
                       shape: WidgetStateProperty.resolveWith<OutlinedBorder?>(
                         (Set<WidgetState> states) {