fulde_keyboard 0.9.9

A simple package for displaying virtual fulde keyboards. The library is written in Dart and has no native code dependency.

fulde_keyboard

About

A simple package for dispaying virtual keyboards on a devices like kiosks and ATMs. The library is written in Dart and has no native code dependancy.

This project has forked from virtual_keyboard project because the virtual_keyboard project built to only display a buttons on the screen with single language. However, this project will handel the events and aill supports multi-languages.

Feature and TODO List

• (Done) Multi-langugae support.
• (Done) Customizable layout.
• (Done) Option to make a popup floating keyboard/keyNum.
• (Done) Adding onLongPress spacebar pop widget to select another keyboard.
• (ToDo) Adding Arabic and Hausa keyboards (Rabi'at font).
• (ToDo) Optimization.
• (ToDo) Adding input result viewer and handel the events.
• (ToDo) Adding Spell checker.

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Reference

FuldeKeyboard

Flutter widget to show virtual keyboards.

// Keyboard Type: Can be Numeric or Alphanumeric.
FuldeKeyboardType type

// Callback for Key press event. Called with pressed `Key` object.
Function onKeyPress;

// Virtual keyboard height. Default is 300.
double height;

/// Virtual keyboard height. Default is full screen width
  double width;

// Color for key texts and icons.
Color textColor;

// Font size for keyboard keys.
double fontSize;;

// Only Caps letters enabled.
bool alwaysCaps;;

/// the custom layout for multi or single language
FuldeKeyboardLayoutKeys customLayoutKeys;

/// used for multi-languages with default layouts, the default is English only
/// will be ignored if customLayoutKeys is not null
List<FuldeKeyboardDefaultLayouts> defaultLayouts;

/// inverse the layout to fix the issues with right to left languages, default is false.
bool reverseLayout;

FuldeKeyboardType

enum of Available Virtual Keyboard Types.

// Numeric only.
FuldeKeyboardType.Numeric

// Alphanumeric: letters`[A-Z]` + numbers`[0-9]` + `@` + `.`.
FuldeKeyboardType.Alphanumeric

FuldeKeyboardKey

Virtual Keyboard key.

// The text of the key.
String text

// The capitalized text of the key.
String capsText;

// Action or String
FuldeKeyboardKeyType keyType;

// Action of the key.
FuldeKeyboardKeyAction action;

FuldeKeyboardKeyType

Type for virtual keyboard key.

// Can be an action key - Return, Backspace, etc.
FuldeKeyboardKeyType.Action

// Keys that have text values - letters, numbers, comma ...
FuldeKeyboardKeyType.String

FuldeKeyboardKeyAction

/// Virtual keyboard actions.
enum FuldeKeyboardKeyAction { Backspace, Return, Shift, Space }

Usage

Show Alphanumeric keyboard with default view

// Wrap the keyboard with Container to set background color.
Container(
            // Keyboard is transparent
            color: Colors.deepPurple,
            child: FuldeKeyboard(
                // Default height is 300
                height: 350,
                // Default height is will screen width
                width: 600,
                // Default is black
                textColor: Colors.white,
                // Default 14
                fontSize: 20,
                // the layouts supported
                defaultLayouts = [FuldeKeyboardDefaultLayouts.English],
                // [A-Z, 0-9]
                type: FuldeKeyboardType.Alphanumeric,
                // Callback for key press event
                onKeyPress: _onKeyPress),
          )

Show Numeric keyboard with default view

Container(
            // Keyboard is transparent
            color: Colors.red,
            child: FuldeKeyboard(
                // [0-9] + .
                type: FuldeKeyboardType.Numeric,
                // Callback for key press event
                onKeyPress: (key) => print(key.text)),
          )

Show Alphanumeric keyboard with customized keys

 Container(
            color: Colors.deepPurple,
            child: FuldeKeyboard(
                height: keyboardHeight,
                textColor: Colors.white,
                fontSize: 20,
                builder: _builder,
                type: FuldeKeyboardType.Numeric,
                onKeyPress: _onKeyPress),
          )

  /// Builder for keyboard keys.
  Widget _builder(BuildContext context, FuldeKeyboardKey key) {
    Widget keyWidget;

    switch (key.keyType) {
      case FuldeKeyboardKeyType.String:
        // Draw String key.
        keyWidget = _keyboardDefaultKey(key);
        break;
      case FuldeKeyboardKeyType.Action:
        // Draw action key.
        keyWidget = _keyboardDefaultActionKey(key);
        break;
    }

    return keyWidget;
  }

onKeyPressed event basic ussage example

// Just local variable. Use Text widget or similar to show in UI.
String text;

  /// Fired when the virtual keyboard key is pressed.
_onKeyPress(FuldeKeyboardKey key) {
if (key.keyType == FuldeKeyboardKeyType.String) {
    text = text + (shiftEnabled ? key.capsText : key.text);
} else if (key.keyType == FuldeKeyboardKeyType.Action) {
    switch (key.action) {
    case FuldeKeyboardKeyAction.Backspace:
        if (text.length == 0) return;
        text = text.substring(0, text.length - 1);
        break;
    case FuldeKeyboardKeyAction.Return:
        text = text + '\n';
        break;
    case FuldeKeyboardKeyAction.Space:
        text = text + key.text;
        break;
    case FuldeKeyboardKeyAction.Shift:
        shiftEnabled = !shiftEnabled;
        break;
    default:
    }
}
// Update the screen
setState(() {});
}

• Muhammad Buhari
• Ma'aruf Mohammed Adam
• Rilwan Adedeji
• LICENSE - MIT