An introduction to the domain model and its role in defining entities and the business logic for manipulating them in the context of Flutter app architecture.

Animatable bottom app bar with expandable sheet.

I have two text inputs in the same row (refer to images), when the errortext property of the inputdecorator is shown it causes the text field to get padding somehow and pop out of place, even the label moves its position. I have read a few posts on this issue and have tried their recommendations of giving the container a fixed size, putting it into a sizedBox etc but none of the solutions worked can someone give me a suggestion..

A material stepper widget that displays progress through a sequence of steps. Steppers are particularly useful in the case of forms where one step requires the completion of another one, or where multiple steps need to be completed in order to submit the whole form..

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download progress bar indicates the status of the file being downloaded, a linear progress indicator is in sync with the download status so that user will know the timely updates.Some task we perform in app level need to be known by the user example downloading a file, audio clip or even video live streaming we use these progress indicators to let the user know the status of the current task.Linear progress bar provides you the pictorial representation of the task completed and task to be completed so that user can easily understand the progress of the task..

DropDownButton is used to select a option from a list For better understanding we create one variable String dropdownValue=‘A’; For decoration purpose we use extra Container widget outside of DropDownButton field value is used to initialized the value is Expanded is used to create DropDownButton with full width icon is used to give Custom icon underline: SizedBox() is used to remove the default underline of DropDownButton field.

How to draw custom shape for the appBar in my application to look like the image.

Create Speed Dial Using Flutter.

A thin horizontal line, with padding on either side.In the material design language, this represents a divider. Dividers can be used in lists, Drawers, and elsewhere to separate content.To create a divider between ListTile items, consider using ListTile.divideTiles, which is optimized for this case..

In this Post we are going to learn how handle the form validation in flutter. In any application validating the Forms is mandatory, like validating the Email, validating the button events, validating the Password text...To handle the form validation in flutter we are going to use flutter_form_builder plugin.

Basics For Adding Click Event For A Widget In Flutter.

To Swipe and delete a row, each row in the list should be made up of Dismissible Widget. The Dismissible widget has inbuilt listeners for Swipe Gestures..

I want to make the background of the AppBar a gradient, How can i do it..

The navigation drawer is a UI panel that shows your app’s main navigation menu. It is hidden when not in use, but appears when the user swipes a finger from the left edge of the screen or, when at the top level of the app, the user touches the drawer icon in the app bar..

Radio button is used to select single item from multiple items in mobile applications. In flutter we used RadioListTile widget to create Radio buttons. Radio buttons gives us the functionality to automatically select single item from multiple list. User cannot select more that one item in radio button. Radio buttons is mostly used to define main information like make female, school college and etc..

I have attached a photo below, I need a popup Widget like the one in the image below, I am new to and have looked into existing widgets however can't seem to find anything similar..

Almost every second application in the Google play store or Apple store has a dark mode feature. Not only mobile platforms, many websites, and desktop applications have dark mode feature.Dark themes reduce the luminance emitted by device screens, while still meeting minimum color contrast ratios..