在Flutter 中,TextField 是一个用来输入 文本的 控件。使用起来也很简单,比如这样,就可以轻松实现一个 TextField 来接收用户的输入内容。 1234567 TextField(decoration:constInputDecoration(border:OutlineInputBorder(),labelText:'Contact Name',),) 但是Flutter 是声明式 UI 编程,我们无法像 Android 里那样拿到 T...
Flutter is a cross-platform development framework that allows you to quickly build native-feeling Android, iOS, Web, Linux, macOS, and Windows applications. With Flutter, you will find that many of the complexities of building platform-specific applications are bypassed for you. Flutter is also k...
A good scheduling application can be better than having a human assistant. When it comes to developing a scheduling mobile application, the SyncfusionFlutter Event Calendarwidget should be your component of choice. The Flutter Event Calendar can be used to schedule, manage, and represent appoint...
The last thing you have to do is set your class as the delegate of the text field. Sometimes receiving callbacks on actions of a view isn’t enough – they might have other information to tell you about, and the text field is an example of this. ...
, we would like to create a 6×5 grid full of these LetterBoxes! An easy way to do that is to use a LazyVGrid. Unfortunately, its syntax is a little verbose (as you can do lots of fancy stuff with it), so let’s first create a wrapper view around it to make it easier ...
Head over to fauna.com and create a new account. Once logged in, you should be able to create a new database. Give a name to your database. I am going to name mine flutter_demo. Next, we can select a region group. For this demo, we will choose classic. Fauna is a globally dis...
which provides the ability to detect document boundaries and perform perspective correction. New Project Open Android Studio and create a new project with an empty activity. Add Dependencies Opensettings.gradleto add Dynamsoft’s maven repository and jitpack. ...
Flutter’s HTTP Library allows you to make multi-part POST requests This section will focus on creating a function that can send a file to a URL using a multipart POST request. Next, we will discuss how to create an app that allows the user to enter the URL to send the request and ...
As an example activity using HashMaps, create a program (not necessarily a Flutter app — command-line is fine) that will take in a three-letter country code (see ISO-3166) and return the full name of the country to which it belongs.For example:...
When a user is entering data into a text field, it’s often nice to have the ability to auto complete with custom values based on what the user is entering, saving them time. For example, when you enter a URL into Safari, it will show you past URLs you have entered that you can ...