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Description:

keyboard actions

Keyboard Actions #

Add features to the Android / iOS keyboard in a simple way.
Because the keyboard that Android / iOS offers us specifically when we are in numeric mode, does not bring the button to hide the keyboard.
This causes a lot of inconvenience for users, so this package allows adding functionality to the existing keyboard.

Features #

Done button for the keyboard (You can customize the button).
Move up/down between your Textfields (You can hide for set nextFocus: false).
Keyboard Bar customization.
Custom footer widget below keyboard bar
Create your own Keyboard in an easy way
You can use it for Android, iOS or both platforms.
Compatible with Dialog.

Example of the custom footer:

For more fun, use that widget as a custom keyboard with your custom input:

Even more fun:
Watch the video
Getting started #
You should ensure that you add the dependency in your flutter project.
dependencies:
keyboard_actions: "^4.1.0"
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You should then run flutter packages upgrade or update your packages in IntelliJ.
Example Project #
There is an example project in the example folder where you can get more information. Check it out. Otherwise, keep reading to get up and running.
Usage #
import 'package:flutter/material.dart';
import 'package:keyboard_actions/keyboard_actions.dart';

class Content extends StatefulWidget {
const Content({
Key key,
}) : super(key: key);

@override
_ContentState createState() => _ContentState();
}

class _ContentState extends State<Content> {
final FocusNode _nodeText1 = FocusNode();
final FocusNode _nodeText2 = FocusNode();
final FocusNode _nodeText3 = FocusNode();
final FocusNode _nodeText4 = FocusNode();
final FocusNode _nodeText5 = FocusNode();
final FocusNode _nodeText6 = FocusNode();

/// Creates the [KeyboardActionsConfig] to hook up the fields
/// and their focus nodes to our [FormKeyboardActions].
KeyboardActionsConfig _buildConfig(BuildContext context) {
return KeyboardActionsConfig(
keyboardActionsPlatform: KeyboardActionsPlatform.ALL,
keyboardBarColor: Colors.grey[200],
nextFocus: true,
actions: [
KeyboardActionsItem(
focusNode: _nodeText1,
),
KeyboardActionsItem(focusNode: _nodeText2, toolbarButtons: [
(node) {
return GestureDetector(
onTap: () => node.unfocus(),
child: Padding(
padding: EdgeInsets.all(8.0),
child: Icon(Icons.close),
),
);
}
]),
KeyboardActionsItem(
focusNode: _nodeText3,
onTapAction: () {
showDialog(
context: context,
builder: (context) {
return AlertDialog(
content: Text("Custom Action"),
actions: <Widget>[
FlatButton(
child: Text("OK"),
onPressed: () => Navigator.of(context).pop(),
)
],
);
});
},
),
KeyboardActionsItem(
focusNode: _nodeText4,
displayCloseWidget: false,
),
KeyboardActionsItem(
focusNode: _nodeText5,
toolbarButtons: [
//button 1
(node) {
return GestureDetector(
onTap: () => node.unfocus(),
child: Container(
color: Colors.white,
padding: EdgeInsets.all(8.0),
child: Text(
"CLOSE",
style: TextStyle(color: Colors.black),
),
),
);
},
//button 2
(node) {
return GestureDetector(
onTap: () => node.unfocus(),
child: Container(
color: Colors.black,
padding: EdgeInsets.all(8.0),
child: Text(
"DONE",
style: TextStyle(color: Colors.white),
),
),
);
}
],
),
KeyboardActionsItem(
focusNode: _nodeText6,
footerBuilder: (_) => PreferredSize(
child: SizedBox(
height: 40,
child: Center(
child: Text('Custom Footer'),
)),
preferredSize: Size.fromHeight(40)),
),
],
);
}

@override
Widget build(BuildContext context) {
return KeyboardActions(
config: _buildConfig(context),
child: Center(
child: Padding(
padding: const EdgeInsets.all(15.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: <Widget>[
TextField(
keyboardType: TextInputType.number,
focusNode: _nodeText1,
decoration: InputDecoration(
hintText: "Input Number",
),
),
TextField(
keyboardType: TextInputType.text,
focusNode: _nodeText2,
decoration: InputDecoration(
hintText: "Input Text with Custom Done Button",
),
),
TextField(
keyboardType: TextInputType.number,
focusNode: _nodeText3,
decoration: InputDecoration(
hintText: "Input Number with Custom Action",
),
),
TextField(
keyboardType: TextInputType.text,
focusNode: _nodeText4,
decoration: InputDecoration(
hintText: "Input Text without Done button",
),
),
TextField(
keyboardType: TextInputType.number,
focusNode: _nodeText5,
decoration: InputDecoration(
hintText: "Input Number with Toolbar Buttons",
),
),
TextField(
keyboardType: TextInputType.number,
focusNode: _nodeText6,
decoration: InputDecoration(
hintText: "Input Number with Custom Footer",
),
),
],
),
),
),
);
}
}

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Using Custom Keyboard #
import 'package:flutter/material.dart';
import 'package:keyboard_actions/keyboard_actions.dart';

class Content extends StatelessWidget {
final FocusNode _nodeText7 = FocusNode();
final FocusNode _nodeText8 = FocusNode();
//This is only for custom keyboards
final custom1Notifier = ValueNotifier<String>("0");
final custom2Notifier = ValueNotifier<Color>(Colors.blue);

/// Creates the [KeyboardActionsConfig] to hook up the fields
/// and their focus nodes to our [FormKeyboardActions].
KeyboardActionsConfig _buildConfig(BuildContext context) {
return KeyboardActionsConfig(
keyboardActionsPlatform: KeyboardActionsPlatform.ALL,
keyboardBarColor: Colors.grey[200],
nextFocus: true,
actions: [
KeyboardActionsItem(
focusNode: _nodeText7,
footerBuilder: (_) => CounterKeyboard(
notifier: custom1Notifier,
),
),
KeyboardActionsItem(
focusNode: _nodeText8,
footerBuilder: (_) => ColorPickerKeyboard(
notifier: custom2Notifier,
),
),
],
);
}

@override
Widget build(BuildContext context) {
return KeyboardActions(
config: _buildConfig(context),
child: Center(
child: Container(
padding: const EdgeInsets.all(15.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: <Widget>[
KeyboardCustomInput<String>(
focusNode: _nodeText7,
height: 65,
notifier: custom1Notifier,
builder: (context, val, hasFocus) {
return Container(
alignment: Alignment.center,
color: hasFocus ? Colors.grey[300] : Colors.white,
child: Text(
val,
style:
TextStyle(fontSize: 30, fontWeight: FontWeight.bold),
),
);
},
),
KeyboardCustomInput<Color>(
focusNode: _nodeText8,
height: 65,
notifier: custom2Notifier,
builder: (context, val, hasFocus) {
return Container(
width: double.maxFinite,
color: val ?? Colors.transparent,
);
},
),
],
),
),
),
);
}
}

/// A quick example "keyboard" widget for picking a color.
class ColorPickerKeyboard extends StatelessWidget
with KeyboardCustomPanelMixin<Color>
implements PreferredSizeWidget {
final ValueNotifier<Color> notifier;
static const double _kKeyboardHeight = 200;

ColorPickerKeyboard({Key key, this.notifier}) : super(key: key);

@override
Widget build(BuildContext context) {
final double rows = 3;
final double screenWidth = MediaQuery.of(context).size.width;
final int colorsCount = Colors.primaries.length;
final int colorsPerRow = (colorsCount / rows).ceil();
final double itemWidth = screenWidth / colorsPerRow;
final double itemHeight = _kKeyboardHeight / rows;

return Container(
height: _kKeyboardHeight,
child: Wrap(
children: <Widget>[
for (final color in Colors.primaries)
GestureDetector(
onTap: () {
updateValue(color);
},
child: Container(
color: color,
width: itemWidth,
height: itemHeight,
),
)
],
),
);
}

@override
Size get preferredSize => Size.fromHeight(_kKeyboardHeight);
}

/// A quick example "keyboard" widget for counter value.
class CounterKeyboard extends StatelessWidget
with KeyboardCustomPanelMixin<String>
implements PreferredSizeWidget {
final ValueNotifier<String> notifier;

CounterKeyboard({Key key, this.notifier}) : super(key: key);

@override
Size get preferredSize => Size.fromHeight(200);

@override
Widget build(BuildContext context) {
return Container(
height: preferredSize.height,
child: Row(
children: [
Expanded(
child: InkWell(
onTap: () {
int value = int.tryParse(notifier.value) ?? 0;
value--;
updateValue(value.toString());
},
child: FittedBox(
child: Text(
"-",
style: TextStyle(
fontWeight: FontWeight.bold,
),
),
),
),
),
Expanded(
child: InkWell(
onTap: () {
int value = int.tryParse(notifier.value) ?? 0;
value++;
updateValue(value.toString());
},
child: FittedBox(
child: Text(
"+",
style: TextStyle(
fontWeight: FontWeight.bold,
),
),
),
),
),
],
),
);
}
}

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