I'm still learning Flutter, so I need some help. The following page layout is in portrait mode: I want it to change to the following layout in landscape mode: How can I do it without repeating the widgets? I thought…
Using the gsheets library, I can calculate the total number of rows in a specific sheet: var sheet = ss.worksheetByTitle('test'); var rows = await sheet?.values.map.allRows(); var totalRows = rows?.length; However, the above code requires fetching the row data from the…
I'm trying to randomly order widgets that will appear in a column. Widget build(BuildContext context){ return Column( children: [ Question( questions[questionIndex]['singular'], ), ...(questions[questionIndex]['answers'] as List<Map<String, Object>>).map((answer) { return Answer(() => answerQuestion(answer['score']), answer['text']); }).toList() ], ); } I want to shuffle…
Given an array of strings, return another array containing all of its longest strings. Example For inputArray = ["aba", "aa", "ad", "vcd", "aba"], the output should be solution(inputArray) = ["aba", "vcd", "aba"]. [execution time limit] 4 seconds (dart) [input] array.string…
I want to extract this part. But I couldn't do it well. So I need you to tell me how to do it. Example) https://twitter.com/straw_berry0721/status/1596714080345415681?s=20&t=1nIbnSZ2YN2m5KZaOjO5GA 1596714080345415681 https://twitter.com/xxx/status/1595920708323999744 1595920708323999744 ・my code (failed) final result = _controller.text; t = s.lastIndexOf('status')); s.substring(t)
What I want to do is switch between my pages by using BottomAppBar in my app but it doesn't work. what make it worse is that it doesn't show me any error so I don't know where is the problem.…
I am writing a flutter program that gets user details. Unfortunately even though my TextEditing Controllers are set up correctly. Everytime I click a button or a radio button, textboxes are cleared instantly even though I did not have any…
I am having trouble understanding how to return null using: orElse: () => null My method is the following: @override Future<People> searchPeople({required String email}) async { var user = auth.FirebaseAuth.instance.currentUser; final docs = await FirebaseFirestore.instance .collection('users') .doc(user!.email) .collection('people') .where('hunting', isEqualTo:…
I have this custom dropDown button and I want to get two values when I select one value from the list. Here is the custom dropdown button Widget customJsonDropDown(List? jsonList, String? value, void onChange(val)) { return Container( decoration: BoxDecoration( borderRadius:…
Thanks you for your time. I really try to complete de configuration of my flutter app for upload to the playstore , but i have this problem when i try execute "flutter clean" like a step in the guide (https://docs.flutter.dev/deployment/android#create-an-upload-keystore):…