Button Widget - Flutter Widget Guide By Flutter Agency

Buttons Widgets- Flutter Widget Guide By Flutter Agency

What is the Button in Flutter ?

Buttons Widget is a user interface control that is used to perform an action whenever the user clicks or tap on it.

There are certain types of different Buttons Widget used in a flutter. In this article, we will explore how to use Buttons Widget in a flutter. Basically there are three types of buttons in a flutter.

1. FlatButton Widget
2. RaisedButton Widget
3. OutlineButton Widget

Let’s get started with the FlatButton widget.

FlatButton Widget: FlatButton Widget is a simple button that has no much-highlighted decoration and mostly used on toolbar and dialog etc. FlatButton widget has two required property Child and onPressed(). FlatButton widget doesn’t have an elevation like a RaisedButton also there is no default color to the button and the text color is black.

How to use FlatButton Widget in Flutter?

FlatButton(
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(28.0),
        ),
        color: Colors.orangeAccent,
        child: Row(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Text(
              "Add",
            ),
          ],
        ),
      );

flatbutton

FlatButton widget

Now, we will discuss RaisedButton Widget in detail. RaisedButton widget is a button with elevation. Users can set many properties like TextColor, ButtonColor, Color of Button when disabled, animation, time, shape, elevation, padding.etc.

Just like FlatButton Widget, we will create a stateless widget called RaisedButton Widget.

How to use RaisedButton Widget in Flutter?


The code snippet for RaisedButton Widget is as below :

RaisedButton(
      shape: RoundedRectangleBorder(
        borderRadius: BorderRadius.circular(6.0),
      ),
      color: Colors.orangeAccent,
      child: Row(
        mainAxisAlignment: MainAxisAlignment.center,
        children: <Widget>[
          Text(
            "Submit",
          ),
        ],
      ),
    );

raised-button

RaisedButton widget

Now we will discuss OutlineButton Widget in detail.
OutlineButton widget is similar to FlatButton Widget with a thin rounded rectangle border. Here as well we will create a stateless widget called it OutlineButton Widget.

How to use OutlineButton Widget in Flutter?

OutlineButton(
        onPressed: () {
        },
        borderSide: BorderSide(
          color: Colors.orangeAccent, //Color of the border
          style: BorderStyle.solid, //Style of the border
          width: 0.8, //width of the border
        ),
        child: Center(
          child: Text(
            "Outline button",
            textAlign: TextAlign.center,
          ),
        ),
      ),

outline-button

OutlineButton widget 

The complete source code for above all buttons can be found from below :

Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: <Widget>[
        Container(
          height: blocksizeVertical * 8,
          child: FlatButton(
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(28.0),
            ),
            color: Colors.orangeAccent,
            onPressed: () {
              // To do
            },
            child: Padding(
              padding: const EdgeInsets.symmetric(
                vertical: 0,
                horizontal: 12,
              ),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  Text(
                    "FlatButton",
                    style: Theme.of(context).textTheme.caption.copyWith(
                          fontSize: 18,
                          fontWeight: FontWeight.w500,
                          color: Colors.white,
                        ),
                  ),
                ],
              ),
            ),
          ),
        ),
        SizedBox(
          height: 10,
        ),
        Container(
          height: blocksizeVertical * 8,
          child: RaisedButton(
            shape: RoundedRectangleBorder(
              borderRadius: BorderRadius.circular(6.0),
            ),
            color: Colors.orangeAccent,
            onPressed: () {},
            child: Padding(
              padding: const EdgeInsets.symmetric(
                vertical: 0,
                horizontal: 12,
              ),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  Text(
                    "Submit",
                    style: Theme.of(context).textTheme.caption.copyWith(
                          fontSize: 18,
                          fontWeight: FontWeight.w600,
                          color: Colors.white,
                        ),
                  ),
                ],
              ),
            ),
          ),
        ),
        SizedBox(
          height: 10,
        ),
        Container(
          height: blocksizeVertical * 8,
          color: Colors.orangeAccent,
          child: OutlineButton(
            onPressed: () {},
            borderSide: BorderSide(
              color: Colors.orangeAccent, //Color of the border
              style: BorderStyle.solid, //Style of the border
              width: 0.8, //width of the border
            ),
            child: Padding(
              padding: const EdgeInsets.symmetric(
                vertical: 0,
                horizontal: 12,
              ),
              child: Center(
                child: Text(
                  "Outline button",
                  textAlign: TextAlign.center,
                  style: Theme.of(context).textTheme.caption.copyWith(
                        fontSize: 17,
                        fontWeight: FontWeight.w600,
                        color: Colors.white,
                      ),
                ),
              ),
            ),
          ),
        ),
      ],
    );

It will give us output like below :Button widget

Conclusion:

In this article, we have learned about What is Button in Flutter along with How to use it in a Flutter?

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We would love to assist you.
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Nirali Patel

Written by Nirali Patel

Nirali Patel is a dedicated Flutter developer with over two years of experience, specializing in creating seamless mobile applications using Dart. With a passion for crafting user-centric solutions, Nirali combines technical proficiency with innovative thinking to push the boundaries of mobile app development.

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