keyboard_detection 0.3.0 
keyboard_detection: ^0.3.0 copied to clipboard
This plugin gives you an easy way to detect if the keyboard is visible or not using bottom view insets.
example/lib/main.dart
// ignore_for_file: avoid_print
import 'package:flutter/material.dart';
import 'package:keyboard_detection/keyboard_detection.dart';
void main() {
  runApp(const MyApp());
}
class MyApp extends StatefulWidget {
  const MyApp({Key? key}) : super(key: key);
  @override
  State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
  bool isKeyboardVisible = false;
  late KeyboardDetectionController keyboardDetectionController;
  @override
  void initState() {
    keyboardDetectionController = KeyboardDetectionController(
      onChanged: (value) {
        print('Keyboard visibility onChanged: $value');
        setState(() {
          isKeyboardVisible = value;
        });
      },
      minDifferentSize: 100,
    );
    keyboardDetectionController.asStream.listen((isVisible) {
      print('Listen from stream: $isVisible');
    });
    super.initState();
  }
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: KeyboardDetection(
        controller: keyboardDetectionController,
        child: Scaffold(
          appBar: AppBar(
            title: const Text('Keyboard Detection'),
          ),
          body: Center(
            child: Column(
              children: [
                Text('Is keyboard visible: $isKeyboardVisible'),
                Text(
                  'Get current state: ${keyboardDetectionController.currentState}',
                ),
                Text(
                  'Get current KeyboardState: ${keyboardDetectionController.keyboardState}',
                ),
                const TextField(),
              ],
            ),
          ),
        ),
      ),
    );
  }
}