flutter_vehicle_keyboard 0.0.2

Flutter Vehicle Keyboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'dart:async';

import 'package:flutter/services.dart';
import 'package:flutter_vehicle_keyboard/flutter_vehicle_keyboard.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';

  /// 键盘的整体回调，根据不同的按钮事件来进行相应的逻辑实现
  // void _onKeyDown(KeyDownEvent data) {
  //   debugPrint("keyEvent:" + data.key);
  //
  //   if (data.isClose() || data.isCommit()) {
  //     setState(() {
  //       showKeyboard = false;
  //     });
  //   }
  // }

  @override
  void initState() {
    super.initState();
    initPlatformState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(home: MyHomePage());
  }
}

class MyHomePage extends StatefulWidget {
  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  String vehicleNumber = "";
  bool showKeyboard = true;

  TextEditingController controller = new TextEditingController();
  FocusNode focusNode = FocusNode();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('仿12123车牌输入键盘'),
      ),
      body: new Center(
          child: Column(
        children: <Widget>[
          // VehicleField(
          //   focusNode: focusNode,
          //   autoSwitchLetterKeyBoard: true,
          //   controller: controller,
          // ),
          Container(
            padding: const EdgeInsets.all(10),
            height: 50,
            child: Row(
              mainAxisAlignment: MainAxisAlignment.spaceAround,
              children: [
                Text('车牌号码：'),
                Expanded(
                  child: VehicleField(
                    focusNode: focusNode,
                    autoSwitchLetterKeyBoard: true,
                    controller: controller,
                    textAlign: TextAlign.end,
                  ),
                )
              ],
            ),
          ),
          Row(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              RaisedButton(
                child: Text("隐藏/显示"),
                onPressed: () {
                  showKeyboard = !showKeyboard;
                  if (showKeyboard) {
                    focusNode.requestFocus();
                  } else {
                    focusNode.unfocus();
                  }
                },
              ),
              SizedBox(
                width: 10,
              ),
              RaisedButton(
                child: Text("获取车牌号"),
                onPressed: () {
                  vehicleNumber = controller.text;
                  setState(() {});
                },
              ),
            ],
          ),
          Text(vehicleNumber),
        ],
      )),
    );
  }
}