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A flexible widget for user notification. Customize your text, button, duration, animations and much more. For Android devs, it is made to replace Snackbars and Toasts.

Flushbar #

Use this package if you need more customization when notifying your user. For Android developers, it is made to substitute toasts and snackbars. IOS developers, I don't know what you use there, but you will like it.

See the install instructions.

This is a flutter widget inspired by Flashbar. Development of Flushbar and Flashbar are totally separate.

Flushbar

IMPORTANT #

Flushbar works by pushing a new route on top of the existing ones. For it to work as intended, make sure there is no route on top of the Flushbar you want to dismiss. To help you accomplish that, you have three options:

  • A listener that you can subscribe to that will notify you when it changed state, including when it reaches the DISMISSED state.
  • The function dismiss() yields a Future that completes only when Flushbar is DISMISSED.
  • Use the framework: Navigator.of(context).popUntil() Choose your pick.
Failing to do so won't generate any major problems. The only inconvenient 
is that it will not animate back (simply disappear) and the listener, if used, 
will not register the dismissal.

The examples bellow were updated for version 1.3.0. Changes might have been made. See the changelog if any of the examples do not reflect Flushbar's current state.

Getting Started #

The possibilities #

Flushbar Animated

A basic Flushbar #

The most basic Flushbar uses only a message. Failing to provide it before you call show() will result in a runtime error. Duration, if not provided, will create an infinite Flushbar, only dismissible by code, back button clicks, or a drag (case isDismissible is set to true).

  • Note that only message is a required parameter. All the other ones are optional
class YourAwesomeApp extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'YourAwesomeApp',
      home: Scaffold(
        Container(
          child: Center(
            child: MaterialButton(
              onPressed: (){
                Flushbar(
                  title:  "Hey Ninja",
                  message:  "Lorem Ipsum is simply dummy text of the printing and typesetting industry",
                  duration:  Duration(seconds: 3),              
                )..show(context);
              },
            ),
          ),
        ),
      ),
    );
  }
}

Basic Example

Lets get crazy Flushbar #

Here is how customized things can get.

Flushbar(
      title: "Hey Ninja",
      message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry",
      flushbarPosition: FlushbarPosition.TOP,
      flushbarStyle: FlushbarStyle.FLOATING,
      reverseAnimationCurve: Curves.decelerate,
      forwardAnimationCurve: Curves.elasticOut,
      backgroundColor: Colors.red,
      boxShadow: BoxShadow(color: Colors.blue[800], offset: Offset(0.0, 2.0), blurRadius: 3.0),
      backgroundGradient: LinearGradient(colors: [Colors.blueGrey, Colors.black]),
      isDismissible: false,
      duration: Duration(seconds: 4),
      icon: Icon(
        Icons.check,
        color: Colors.greenAccent,
      ),
      mainButton: FlatButton(
        onPressed: () {},
        child: Text(
          "CLAP",
          style: TextStyle(color: Colors.amber),
        ),
      ),
      showProgressIndicator: true,
      progressIndicatorBackgroundColor: Colors.blueGrey,
      titleText: Text(
        "Hello Hero",
        style: TextStyle(
            fontWeight: FontWeight.bold, fontSize: 20.0, color: Colors.yellow[600], fontFamily: "ShadowsIntoLightTwo"),
      ),
      messageText: Text(
        "You killed that giant monster in the city. Congratulations!",
        style: TextStyle(fontSize: 18.0, color: Colors.green, fontFamily: "ShadowsIntoLightTwo"),
      ),
    );

Complete Example

  • Don't forget to call show() or the bar will stay hidden.
  • To deactivate any of those properties, pass null to it.

Styles #

Flushbar can be either floating or grounded to the edge of the screen. I don't recommend using aroundPadding or borderRadius if you chose FlushbarStyle.GROUNDED style.

Flushbar(flushbarStyle: FlushbarStyle.FLOATING)

or

Flushbar(flushbarStyle: FlushbarStyle.GROUNDED)
Floating Style Grounded Style
Floating Style Grounded Style

Padding and Border Radius #

You can give it some padding and a border radius. Works best with FlushbarStyle.FLOATING

Flushbar(
  aroundPadding: EdgeInsets.all(8),
  borderRadius: 8,
);
  

Padding and Radius

Left indicator bar #

Flushbar has a lateral bar to better convey the humor of the notification. To use it, simple give leftBarIndicatorColor a color.

Flushbar(
  message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry",
  icon: Icon(
    Icons.info_outline,
    size: 28.0,
    color: Colors.blue[300],
    ),
  duration: Duration(seconds: 3),
  leftBarIndicatorColor: Colors.blue[300],
)..show(context);

Left indicator example

Customize your text #

If you need a more fancy text, you can create a Text and pass it to the titleText or messageText variables.

  • Note that title will be ignored if titleText is not null
  • Note that message will be ignored if messageText is not null
Flushbar(
  title: "Hey Ninja", //ignored since titleText != null
  message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry", //ignored since messageText != null
  titleText: Text("Hello Hero", style: TextStyle(fontWeight: FontWeight.bold, fontSize: 20.0 color: Colors.yellow[600], fontFamily:"ShadowsIntoLightTwo"),),
  messageText: Text("You killed that giant monster in the city. Congratulations!", style: TextStyle(fontSize: 16.0, color: Colors.green[fontFamily: "ShadowsIntoLightTwo"),),
)..show(context);

Customized Text

Customize background and shadow #

You can paint the background with any color you want. You can use any shadow you want. Just give it a backgroundColor and a boxShadow.

Flushbar(
  title: "Hey Ninja",
  message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry",
  backgroundColor: Colors.red,
  boxShadow: BoxShadow(color: Colors.red[800], offset: Offset(0.0, 2.0), blurRadius: 3.0,),
)..show(context);

Background and Shadow

Want a gradient in the background? No problem.

  • Note that backgroundColor will be ignored while backgroundGradient is not null
Flushbar(
  title: "Hey Ninja",
  message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry",
  backgroundGradient: LinearGradient(colors: [Colors.Colors.teal],),
  backgroundColor: Colors.red,
  boxShadow: BoxShadow(color: Colors.blue[800], offset: Offset(0.0, 2.0), blurRadius: 3.0,),
)..show(context);

Background Gradient

Icon and button action #

Let us put a Icon that has a PulseAnimation. Icons have this animation by default and cannot be changed as of now. Also, let us put a button. Have you noticed that show() returns a Future? This Future will yield a value when you call dismiss([T result]). I recommend that you specify the result generic type if you intend to collect an user input.

Flushbar flush;
bool _wasButtonClicked;
@override
  Widget build(BuildContext context) {
    return Container(
      child: Center(
        child: MaterialButton(
          onPressed: () {
            flush = Flushbar<bool>(
              title: "Hey Ninja",
              message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry",
              icon: Icon(
                       Icons.info_outline,
                       color: Colors.blue,),
              mainButton: FlatButton(
                             onPressed: () {
                                 flush.dismiss(true); // result = true
                               },
                             child: Text(
                               "ADD",
                               style: TextStyle(color: Colors.amber),
                             ),
                           ),) // <bool> is the type of the result passed to dismiss() and collected by show().then((result){})
              ..show(context).then((result) {
                setState(() { // setState() is optional here
                  _wasButtonClicked = result;
                });
              });
          },
        ),
      ),
    );
  }

Icon and Button

Flushbar position #

Flushbar can be at FlushbarPosition.BOTTOM or FlushbarPosition.TOP.

Flushbar(
  flushbarPosition: FlushbarPosition.TOP,
  title: "Hey Ninja",
  message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry",)..show(context);

Bar position

Duration and dismiss policy #

By default, Flushbar is infinite. To set a duration, use the duration property. By default, Flushbar is dismissible by the user. A right or left drag will dismiss it. Set isDismissible to false to change this behaviour.

Flushbar(
  title: "Hey Ninja",
  message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry",
  duration: Duration(seconds: 3),
  isDismissible: false,
)..show(context);

Progress Indicator #

If you are loading something, use a LinearProgressIndicator If you want an undetermined progress indicator, do not set progressIndicatorController. If you want a determined progress indicator, you now have full control over the progress since you own the AnimationController

  • There is no need to add a listener to your controller just to call setState(){}. Once you pass in your controller, Flushbar will do this automatically. Just make sure you call _controller.forward()

AnimationController _controller = AnimationController(
      vsync: this,
      duration: Duration(seconds: 3),
    );

Flushbar(
  title: "Hey Ninja",
  message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry",
  showProgressIndicator: true,
  progressIndicatorController: _controller,
  progressIndicatorBackgroundColor: Colors.grey[800],
)..show(context);

Show and dismiss animation curves #

You can set custom animation curves using forwardAnimationCurve and reverseAnimationCurve.

Flushbar(
  forwardAnimationCurve: Curves.decelerate,
  reverseAnimationCurve: Curves.easeOut,
  title: "Hey Ninja",
  message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry",
)..show(context);

Listen to status updates #

You can listen to status update using the onStatusChanged property.

  • Note that when you pass a new listener using onStatusChanged, it will activate once immediately so you can check in what state the Flushbar is.

Flushbar flushbar = Flushbar(title: "Hey Ninja", message: "Lorem Ipsum is simply dummy text of the printing and typesetting industry");

  flushbar
    ..onStatusChanged = (FlushbarStatus status) {
      switch (status) {
        case FlushbarStatus.SHOWING:
          {
            doSomething();
            break;
          }
        case FlushbarStatus.IS_APPEARING:
          {
            doSomethingElse();
            break;
          }
        case FlushbarStatus.IS_HIDING:
          {
            doSomethingElse();
            break;
          }
        case FlushbarStatus.DISMISSED:
          {
            doSomethingElse();
            break;
          }
      }
    }
    ..show(context);

Input text #

Sometimes we just want a simple user input. Use the propertyuserInputForm.

  • Note that buttons, messages, and icons will be ignored if userInputForm != null
  • dismiss(result) will yield result. dismiss() will yield null.
Flushbar<List<String>> flush;
final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
TextFormField getFormField(String text) {
    return TextFormField(
      initialValue: text,
      style: TextStyle(color: Colors.white),
      maxLength: 100,
      maxLines: 1,
      maxLengthEnforced: true,
      decoration: InputDecoration(
          fillColor: Colors.white10,
          filled: true,
          icon: Icon(
            Icons.label,
            color: Colors.grey[500],
          ),
          border: UnderlineInputBorder(),
          helperText: "Helper Text",
          helperStyle: TextStyle(color: Colors.grey),
          labelText: "Label Text",
          labelStyle: TextStyle(color: Colors.grey)),
    );
  }

flush = Flushbar<List<String>>(
  userInputForm = Form(
          key: _formKey,
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: [
              getTextFormField("Initial Value"),
              getTextFormField("Initial Value Two"),
            ]
            Align(
              alignment: Alignment.bottomRight,
              child: Padding(
                padding: const EdgeInsets.only(top: 8.0),
                child: MaterialButton(
                  textColor: Colors.amberAccent,
                  child: Text("SUBMIT"),
                  onPressed: () {
                    flush.dismiss([_controller1.value.text, _controller2.value.text]);
                  },
                ),
              ),
            )
          ],),),
)..show(context).then((result) {
        if (result != null) {
          String userInput1 = result[0];
          String userInput2 = result[1];
        }
      });

This example tries to mimic the Material Design style guide

Bar input

Flushbar Helper #

I made a helper class to facilitate the creation of the most common Flushbars.

FlushbarHelper.createSuccess({message, title, duration});
FlushbarHelper.createInformation({message, title, duration});
FlushbarHelper.createError({message, title, duration});
FlushbarHelper.createAction({message, title, duration flatButton});
FlushbarHelper.createLoading({message,linearProgressIndicator, title, duration, progressIndicatorController, progressIndicatorBackgroundColor});
FlushbarHelper.createInputFlushbar({textForm});

Make it rain #

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A flexible widget for user notification. Customize your text, button, duration, animations and much more. For Android devs, it is made to replace Snackbars and Toasts.

Repository (GitHub)
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License

unknown (LICENSE)

Dependencies

flutter

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