onTap | Web Portal for Lunch and Learns | Frontend Framework library
kandi X-RAY | onTap Summary
kandi X-RAY | onTap Summary
Web Portal for Lunch and Learns
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Top functions reviewed by kandi - BETA
- Calls the API call to the API .
- Creates a Point object
- Logs a step into the JSON format
- Logout the user
- Logs a step into the JSON format
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QUESTION
Hello I'm having trouble changing my Logo depending on the Theme. In Dark Theme I can't see the black outlines of my logo, whilst I can on white background in light theme mode.
Here's the main.dart Code Line:
...ANSWER
Answered 2021-Jun-15 at 17:09If you want to change dynamically the asset path, you can check the theme like this
QUESTION
ANSWER
Answered 2021-Jun-15 at 16:44String owneruerID;
dynamic uploadusertypes;
List_children;
QUESTION
My problem is that, I have a List of Icons(CustomWidgets) what are provide by an API. I need put this icons in my App but when the are 7 or more its looks like these:
I want to put the icons in separate rows. I've tried out a method which split the list in 2 and add it dynamically but didn't print anything because I'm using a FutureBuilder to print the Icons.
Here is the code:
...ANSWER
Answered 2021-Apr-16 at 01:34What I suggest is to use Wrap instead of Row in your case, widget will place in the 2nd row is not enough space
THERE IS THE WAY TO DO IT:
QUESTION
In PageViewBuilder, instead of swipe gesture I want to move to the next page using onTap on an ArgonTimerButton which I found on pub.dev. I created a controller and used controller.nextPage() but it gives me this error:
...ANSWER
Answered 2021-Jun-15 at 08:10You are creating the controller but you are not using it.
Instead of :
QUESTION
I am having trouble trying to iterate over a JSON array of objects from a remote URL using Flutter's FutureBuilder.
My goal is to:
- Fetch JSON data from an API
- Output the data into a 2 column gridview layout
The JSON data is an array of objects(or a List of Maps in dart), the objects have simple string data.
I know that I need to build a future to fetch the data from the API and decode the JSON, then I need to create a FutureBuilder to output the List data into my Gridview Builder. That is what I have tried to do in my code below.
...ANSWER
Answered 2021-Jun-14 at 20:57You have to pass the function like this
QUESTION
I am trying to create a snackbar on the click of a button in flutter, but getting exception that No ScaffoldMessenger
widget found. The same code seems to work properly in the Flutter sample mentioned in docs. Am I missing something here? Thanks.
Here's my main.dart file
...ANSWER
Answered 2021-Mar-27 at 16:57scaffoldMessengerKey.currentState.showSnackBar(mySnackBar); scaffoldMessengerKey.currentState.hideCurrentSnackBar(mySnackBar); scaffoldMessengerKey.currentState.removeCurrentSnackBar(mySnackBar);
QUESTION
I have a navigation menu that I made for a test application, there are some tabs that I want to hide if I am not logged into the application. After logging in, these tabs should appear. The problem is that after logging in, I go to the desired page and I don't see all the navigation menu icons. For them to appear, I need to click on one of the available icons (only 2 icons are available for authorization) and only then the navigation menu will be updated and everything will be as it should be. All 6 icons will be visible! Can someone help me with this? Here I described the problem with the code that I am using. I would be grateful for any help.
...ANSWER
Answered 2021-Jun-14 at 13:53Your page is not re built after logging in the user, that is why your nav bar is not updated. When you click on the button it refreshes and correctly displays the new elements.
Instead of using a global variable you could look into a state management package in order to make the logged-in user available throughout your app. (article for getx the simplest one out there)
If this is simply a prototype and you want some quick and dirty, I guess you could trigger a reload of your app once a user logs in by wrapping your app with a widget that exposes a rebuild method. (article)
EDIT: Example with Getx:
QUESTION
I'm trying to make a profile page where user can upload their profile picture. I have done all the required method but this error pops up:
Unhandled Exception: MissingPluginException(No implementation found for method requestPermissions on channel flutter.baseflow.com/permissions/methods)
a tab should pop up when I press on the IconButton
asking for permission, but in here nothing happens just the above error pops up.
This is the code I did:
...ANSWER
Answered 2021-Mar-29 at 04:44stop the running app, go to terminal > flutter clean > then build the app again
QUESTION
I made a website with PageController to control the scroll of some screens. And I made a menu section with screen names, and when any of them are pressed, the user will navigate to the respective screen.
The app is working fine. But I refactored the menu button so I can control it's style, and to add animation in the future.
But when I refactored the button, I can't pass the PageController index, or the nextPage function.
That's why I thought of using the provider package. However, I didn't the package before, and my setup seems complex. For I should pass the PageController state to the button, and the button should send the nextPage function with a new number.
How can I achieve this?
Here's my code:
The button:
...ANSWER
Answered 2021-Jun-12 at 16:17Using Provider you could wrap the widget that will need PageController with a ChangeNotifierProvider.value
QUESTION
I'm trying to get JSON data from an API in my project. However, I came to an error and I'm completely stuck. I'm fairly new when it comes to deserializing JSON objects so appreciate your help on this.
This is my JSON file
...ANSWER
Answered 2021-Jun-13 at 12:09The problem is you are passing respons.body["data"]["data"] to your Datum.fromJson() constructor but there is no such key in the json. on the other hand you are passing response.body["data"] to Car.fromJson() constructor which is a list of data that does not have "status" key in it.
Try changing your code as follows.
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