Fixed the text field hang issue on lock and unlock the device. (#197)

* Fixed the checkbox issue for gender selection when UI spec set to checkbox Signed-off-by: G S Prakash <[email protected]> * Fixed the textformfield issue while lock and unlocked Signed-off-by: G S Prakash <[email protected]> --------- Signed-off-by: G S Prakash <[email protected]>
mosip · Nov 14, 2023 · ce7618d · ce7618d
1 parent 9a43da5
commit ce7618d
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diff --git a/lib/ui/process_ui/widgets/textbox_control.dart b/lib/ui/process_ui/widgets/textbox_control.dart
@@ -10,6 +10,7 @@ import 'package:responsive_grid_list/responsive_grid_list.dart';
 import '../../../model/field.dart';
 
 import '../../../provider/global_provider.dart';
+import '../../../utils/life_cycle_event_handler.dart';
 import 'custom_label.dart';
 
 class TextBoxControl extends StatefulWidget {
@@ -21,12 +22,39 @@ class TextBoxControl extends StatefulWidget {
   State<TextBoxControl> createState() => _TextBoxControlState();
 }
 
-class _TextBoxControlState extends State<TextBoxControl> {
+class _TextBoxControlState extends State<TextBoxControl>
+    with WidgetsBindingObserver {
   bool isMvelValid = true;
 
   @override
   void initState() {
     super.initState();
+    WidgetsBinding.instance.addObserver(LifecycleEventHandler(
+      resumeCallBack: () async {
+        if (mounted) {
+          setState(() {
+            closeKeyboard();
+          });
+        }
+      },
+      suspendingCallBack: () async {
+        if (mounted) {
+          setState(() {
+            closeKeyboard();
+          });
+        }
+      },
+    ));
+  }
+
+  @override
+  void dispose() {
+    WidgetsBinding.instance.removeObserver(this);
+    super.dispose();
+  }
+
+  void closeKeyboard() {
+    FocusScope.of(context).unfocus();
   }
 
   void saveData(value, lang) {

diff --git a/lib/utils/life_cycle_event_handler.dart b/lib/utils/life_cycle_event_handler.dart
@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/foundation.dart';
+
+class LifecycleEventHandler extends WidgetsBindingObserver {
+  final AsyncCallback resumeCallBack;
+  final AsyncCallback suspendingCallBack;
+
+  LifecycleEventHandler({
+    required this.resumeCallBack,
+    required this.suspendingCallBack,
+  });
+
+  @override
+  Future<void> didChangeAppLifecycleState(AppLifecycleState state) async {
+    switch (state) {
+      case AppLifecycleState.resumed:
+        if (resumeCallBack != null) {
+          await resumeCallBack();
+        }
+        break;
+      case AppLifecycleState.inactive:
+      case AppLifecycleState.paused:
+      case AppLifecycleState.detached:
+        if (suspendingCallBack != null) {
+          await suspendingCallBack();
+        }
+        break;
+      case AppLifecycleState.hidden:
+    }
+  }
+}