WebMake sure you have a key for scaffold. You can create that by writing the below code: final _scaffoldKey = GlobalKey (); 2.Now you have to mention this key inside your Scaffold, by writing the below line inside scaffold: key:_scaffoldKey, Now you can show snackbar by writing: WebAug 7, 2024 · Edit: If you are calling showDialog inside button press event, you can try following code: showDialog (); await updateDetails (); Navigator.pop (context); This will pop your dialog once update is complete. Share Improve this answer Follow edited Aug 7, 2024 at 13:39 answered Aug 7, 2024 at 13:03 vijay053 822 2 17 36
showDialog function - material library - Dart API
WebApr 19, 2024 · 4. I want to autoclose dialog a few seconds after opening. The solution that I found is to call Navigator.of (context).pop (); delayed and it works. But the problem occurs if I closed it manually (by clicking outside) before the execution of the Navigator.pop command. Then Navigator.pop just closes the app and I see just a black screen. WebJun 22, 2024 · Alert Dialog box informs the user about the situation that requires acknowledgment. Alert Box is a prompt that takes user confirmation. The very basic use of the alert box is used when we close the app, usually, we are notified with a prompt whether we want to exit or not. That’s an alert box. The below-added code shows how to perform … fly knock to luton
flutter - Show dialog when the first time click "open" app on …
WebJun 23, 2024 · 5. You can use Shared Preferences. When launching the app, get the value from shared pref (Ex: isFirstLoaded). If isFirstLoaded == true then show the dialog. When the dialog is dismissed, set isFirstLoaded = false and save to shared preferences. Below is an example (please note that the example doesn't handle the dismiss event when … WebMar 31, 2024 · Mar 31, 2024 at 8:34 So you need shared_preferences. Make a bool variable, set it to false initially, now check if the variable is false, show the dialog. Once you show the dialog, set the variable to true and save the variable in SharedPreferences. Next time the dialog won't be shown because its value is true now. – iDecode Mar 31, 2024 … WebMar 10, 2024 · 1 Answer. Sorted by: 1. You can wait a frame to complete the build and then show dialog. @override void initState () { super.initState (); WidgetsBinding.instance.addPostFrameCallback ( (timeStamp) { //show dialog }); } Also, if you like to wait specific time, you can use Future.delayed. fly knots with tool