Use of Set Set represents a collection of unique elements. But the difference between set and list is that set is unordered, so you can't use index to locate elements in set. Take a look at the basic usage of set: //创建一个空的set var names = <String>{}; // 添加新的元素 names...
when it comes to developing complex apps, performance can become an issue. Fortunately, Flutter provides support for multithreading, which can help enhance app performance.
In Flutter, creating grid views is handled by the GridView widget. This widget offers a robust and straightforward way to create a grid-like element with a ton of flexibility and customization. In this article, you will learn how to make use of the GridView widget. To achieve this, we wil...
How to use Keys in Flutter to preserve the state. Now it is clear from the above example where to add them. If you have to use the Stateful widget then you have to use the Keys. Now there are many types of Keys in a flutter. Following are the type of keys: Types of keys in Fl...
vinitmp15 pushed a commit to Peppermint-Software/flutter_bluetooth_serial that referenced this issue Aug 14, 2022 Bug fix for Bug in robot movement edufolly#5 dbd1310 Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment Assignees No one ass...
In Dart, cloning a list or a map means creating a new instance of the list or map that has the same elements or key-value pairs as the original but is a separate, distinct object. When you clone a list or a map, changes made to the...
if you add or update the original list, Changes do not affect in cloned object. #How to create a List clone in dart and flutter? There are multiple ways we can do shallow and deep cloning. #Shallow copy list example There are two ways we can copy the references. ...
Then, use your code editor to create apost_model.dartfile in thelibdirectory. Here, you will develop a newPostclass: lib/post_model.dart import 'package:flutter/foundation.dart'; class Post { final int userId; final int id; final String title; ...
I'm trying to use a local .aar file inside a flutter plugin, but so far I couldn't figure out how to achieve this. Steps I did: Created a flutter plugin (named flutter_plugin_with_aar) project with Android Studio using the flutter plugin...
In this example, we have used Row widget which isandroid:orientation=”horizontal”attribute ofLinearLayout. We use Column for vertical value. If you are wondering what is Scaffold doing here than you can read my previous articleHow to design activity UI using Scaffold in Flutter ?. Belo...