CupertinoActionSheet - Flutter Widget Guide By Flutter Agency

CupertinoActionSheet Widget – Flutter Widget Guide By Flutter Agency

In this series of Cupertino Widgets, we will go through CupertinoActionSheet Widget.

You might be wondering What is Cupertino?

Cupertino is a set of flutter widget helpful in implementing a current iOS design.

What is CupertinoActionSheet Widget in Flutter?

An action sheet is a specific style of alert that presents the user with a set of two or more choices related to the current context.

An action sheet can have a title, an additional message, and a list of actions. The title is displayed above the message and the actions are displayed below this content.

Purpose:

This action sheet styles its title and message to match the standard iOS action sheet title and message text style.

The default constructor of it will look like below:

CupertinoActionSheet({
  Key? key,
  Widget? title,
  Widget? message,
  List? actions,
  ScrollController? messageScrollController,
  ScrollController? actionScrollController,
  Widget? cancelButton,
})

Properties:

  • Key key: The widget key, used to control if it’s should be replaced.
  • Widget title: Title is used to define the optional title of the ActionSheet Widget.
  • actions: The set of actions that are displayed for the user to select.
  • actionScrollController: A scroll controller that can be used to control the scrolling of the actions in the action sheet. This attribute is typically not needed.
  • messageScrollController: A scroll controller that can be used to control the scrolling of the message in the action sheet. This attribute is typically not needed, as alert messages should be short.
  • message: An optional descriptive message that provides more details about the reason for the alert.
  • isDefaultAction: is set to true because the action button text will be displayed with blue color.

How to Implement CupertinoActionSheet Widget in Flutter?

The following code snippet tells us how to implement CupertinoActionSheet Widget in Flutter.

To implement we need to import CupertinoActionSheet Widget we need to import the Cupertino package.

package:flutter/cupertino.dart
CupertinoActionSheet(
           title: Text(
             "Flutter Agency",
             style: TextStyle(fontSize: 30),
           ),
           message: Text(
             "Select your action ",
             style: TextStyle(fontSize: 15.0),
           ),
           actions: <Widget>[
             CupertinoActionSheetAction(
               child: Text("First Action"),
               isDefaultAction: true,
               onPressed: () {
                 print("Firs Action is clicked ");
               },
             ),
             CupertinoActionSheetAction(
               child: Text(" Second Action"),
               isDestructiveAction: true,
               onPressed: () {
                 print("Second Action clicked");
               },
             )
           ],

         );

When we add Cancel Button in the above code our code snippet will look like below:

CupertinoActionSheet(
            title: Text(
              "Flutter Agency",
              style: TextStyle(fontSize: 30),
            ),
            message: Text(
              "Select your action ",
              style: TextStyle(fontSize: 15.0),
            ),
            actions: <Widget>[
              CupertinoActionSheetAction(
                child: Text("First Action"),
                isDefaultAction: true,
                onPressed: () {
                  print("First Action is clicked ");
                },
              ),
              CupertinoActionSheetAction(
                child: Text(" Second Action"),
                isDestructiveAction: true,
                onPressed: () {
                  print("Second Action clicked");
                },
              )
            ],
            cancelButton: CupertinoActionSheetAction(
              child: Text("Cancel"),
              onPressed: () {
                Navigator.pop(context);
              },
            ),
          );

The above cancel button will be used to cancel Action Button the CupertinoActionSheet will get Closed.

The Following Code snippet is used to show CupertinoActionsheet Widget.

showCupertinoModalPopup(
                context: context,
                builder: (context) => action  //action is final variable name

);

The complete Source code will look like below:

Center(
      child: RaisedButton(
        onPressed: () {
          final action = CupertinoActionSheet(
            title: Text(
              "Flutter Agency",
              style: TextStyle(fontSize: 30),
            ),
            message: Text(
              "Select your action ",
              style: TextStyle(fontSize: 15.0),
            ),
            actions: <Widget>[
              CupertinoActionSheetAction(
                child: Text("First Action"),
                isDefaultAction: true,
                onPressed: () {
                  print("First Action is clicked ");
                },
              ),
              CupertinoActionSheetAction(
                child: Text(" Second Action"),
                isDestructiveAction: true,
                onPressed: () {
                  print("Second Action clicked");
                },
              )
            ],
            cancelButton: CupertinoActionSheetAction(
              child: Text("Cancel"),
              onPressed: () {
                Navigator.pop(context);
              },
            ),
          );
          showCupertinoModalPopup(
              context: context, builder: (context) => action);
        },
        child: Text("Click me "),
      ),
    );

In the above code, we have used RaisedButton Widget. We will get output like below:

CupertinoActionSheet

CupertinoActionSheet

Conclusion:

In this article, we have been through What is CupertinoActionSheet Widget in Flutter along with how to implement it in a Flutter.

Thanks for reading !!!

Do let us know your suggestion/feedback

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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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