Flutter Hooks – Examples How To Use Them in A Project

The flutter hook is an implementation of the react hook that is sure to present with the simplest and the robust way in managing the Widget life-cycle. It happens with the enhancement of the method of code sharing that will help reduce the method of duplication.

The original source of the hooks comes from the React point where things are extremely popular and are well adapted by the biggest community. It is fact that both Flutter and React are the kinds of declarative languages. It is the right solution that is sure to work fine and it is the substitute in case of the Flutter’s StatefulWidget.

Applicability of the Hooks

The hooks can meet with the Flutter and the same is inspired by the React Hooks as designed by Dan Abramov. This makes sense in the field of React Hooks used by the Developers at the Dash Overflow and this can help to bring the Hooks directly to the Flutter.

The Flutter widgets have similar behavior to the various React components and these are present as part of the Flutter Widget. You can say that Hooks are the innovative objects that will help to manage the widget life-span. The hooks exist for the specific reason and it can help increase the level of code-sharing present in the widgets by the successful removal of the duplicates.

The Right List

There is the Flutter Hooks library and it is sure to provide with the robust and the cleaner way in managing the lifecycle of the widget and you have the list of things included in the flutter Hook.

useState
useEffect
useRef
useMemorized
useContext
useCallback
useValueChanged

The Three Essentialities of Flutter Hooks

Among the lots you have the three most important hooks and these are useState, useEffect and the useMemorized. The useState hook helps in managing the local states as part of the applications. It is the task of the useEffect hook to help in fetching the data from the direct server point and can even set the fetch as part of the local state.

There is also the useMemorized hook and it will help in memorizing the heavy functionalities that can help to achieve the level of optimal performance as part of the severe application. It is also vital for you to know how to create and make use of the customized hooks from the similar source of the flutter hook. There are specific norms to follow in the installation of the flutter hooks library.

Details of useState Hook

Similar to the useState in React, the same in the Flutter will help in creating and managing the right state in the widget. It is the hook that is called with the State and this can help in matters of local management in the widget. Following the parameter the State can pass into the useState hooks For the purpose one can even make use of the StatefulWidget and it has two specific classes to help in the right maintenance of the code.

Details of useEffect Hook

It is the hook that can adopt the callback function and there is the parameter that runs the side effects as part of the widget. The side effect can include the form of stream subscription and it can help in opening the WebSocket connectivity or the kind of performing the specific HTTP requests.

Things also take place inside the hook and you can easily cancel things at the time of disposing the widget. The same is applicable as part of the callback function and the same is sure to he[ppen with the disposing of the widget.

The Fine Set of Cleanups

You have the set of specific cleanups and the same can easily function with the removal of the widget from the UI and also from the point of the widget tree. Here you have some of the other cleanups and it is the right time that you take care of the most.

Cancel of the polling
Unsubscribing from the stream
Canceling of the active HTTP various connections
Clearing the kind of timeouts
Cancelling of the websockets connecting mediums

The Hook Functioning As the Key

The Hook has the kind of optional second sort of arguments called keys. It is the list of the values that will help in determining regarding the callback function as part of the useEffect Hook and it may or may not be called out at the point. If you will have only one value in the key it is sure to remain the same and in the case the callback function is not activated.

You also have the collection of the custom hooks and it helps in creating the things through two methods of class and function. One can utilize the use prefix and it will tell the flutter developers regarding the specific functionalities of the hook and things are sue to result conditionally.

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