Flutter

https://api.flutter.dev/flutter/widgets/Offstage-class.html

Keyboard pops up when tapping on the TextField.It won't go away unless you press close/enter button on the keyboard.But! There is another way to remov

When you're working with TextField or TextFormField, keyboard keeps poping up from the bottom, and you would like to know when it pops up and goes bac

While developing, I found a problem using PopupMenuButton. I wanted to push a new widget when tapping a PopupMenuItem. But somehow, nothing showed up.

I stumbled upon a problem when using a Provider. It was error-prone to use the Provider instance inside initState(). When I tried to initialize a Prov

In flutter, widgets have very complicated parent-child relationships which can be a bit confusing when looking at the code. Fortunately, VS Code provi

Sometimes, if the design is required, some widgets needs to be fit inside the parent widget like the painting inside a frame. If the image is larger t

What I need is a listview which can show list of data with RefreshIndicator for refreshing data list and OnReachEnd event for loading another list of

Flutter provides awesome widgets and Tab related widgets are some of them.But when you use TabBar and TabBarView, you realize changing tabs rebuilds w

There are some new features on flutter material3 themes. One you can notice very quickly is the app bar color. Before, the app bar was filled with pri

In flutter app, the future is used all over the place. It makes asynchronous task much easier to implement with async and await. But the thing is as t

I stumbled upon this error when I was testing my app on an actual android device. Running the app on the device seemed fine using run and debug, but t

PageView can slide to other pages with swiping the screen, but in some situations, it isn't needed.Physics propterty can be used to allow or disallow

The provider can't be found and even if you're sure it should be there, check the widget inspector and see if the type of the provider is right.To use

With the multi-platform support of the flutter, we also can make a windows desktop app. In the terminal, this command will add support to target platf

In flutter, page transition can be customized with PageRouteBuilder. The PageRouteBuilder given with two parameter, pageBuilder and transitionBuilder,

FlexibleSpace changes its size on scroll. The content inside also changes its position as the scroll slides. This time, I wanted to make the content i

Guide to google maps on flutterhttps://codelabs.developers.google.com/codelabs/google-maps-in-flutter?hl=enHow to get current locationhttps:

As I develop a image editing tool for profile image, I faced a problem with overlapped widgets.To edit the image, the user should be able to zoom out