how can I make a dynamic JSON model for this Josn, all keys are dynamic like "Large,X-Larg, Red, Blue", only the key optionDisplayValues is { "optionDisplayValues":{ "Large":{ "value":"Large", "displayType":"text" }, "X-Larg":{ "value":"X-Larg", "displayType":"text" }, "Red":{ "value":"#7d4141", "displayType":"color" }, "Blue":{ "value":"#25a953",…
How can I make sure I have a state variable available after an async function call? My belief is because getValues() is async, it should "wait" until moving on to the next line. Thus, getValues() shouldn't exit and configValue() shouldn't…
I am trying to integrate CameraX inside my flutter project. I am doing so via platform channels. I don't want to integrate any third party lib. Here is a screenshot of the camera only occupying one third of the height…
I'm calling an async function that has the file path as a parameter and reads and displays the content in the file. this is the place where I'm invoking the function. this is the function. After reading the contents in…
When I clone the project from GitHub and execute the program it throws this error Please help all thanks BUG! exception in phase 'semantic analysis' in source unit 'BuildScript' Unsupported class file major version 61
i want to code a POS for german 'Fischbrötchen'. My problem is that the "View" of the Ordertabel dosn't update. I tried man things but nothing worked... can someone help me to point out my Problem ? So when i…
I want to sort a personArray with age and name: final personArray = [ _Person(age: 10, name: 'Dean'), _Person(age: 20, name: 'Jack'), _Person(age: 30, name: 'Ben'), _Person(age: 30, name: 'Alice'), ]; personArray.sort((p1, p2) { return Comparable.compare(p1.age, p2.age); }); for (final…
I'm trying to write a code to use the camera with Flutter, but even by following the steps seen online it cannot initialize cameraController. Here is my code : class CameraPage extends StatefulWidget { const CameraPage({Key? key}) : super(key: key);…
I want to convert Hex color values to RGB color values. How do I do that? Sorry this question might be a bit short. but the meaning is exactly Because I haven't seen these answers anywhere. For example, HEX color…
I need to show two ListViews inside a dialog; I am using the showDialog function and in the "content" attribute I added a "SizedBox" without any value for the "height" attribute, and the lists are inside the Column object. Here…