import React, { useState } from 'react';
import { View, TextInput, Button, KeyboardAvoidingView, Platform, StyleSheet } from 'react-native';

const FormScreen = () => {
  const [text, setText] = useState('');

  return (
    <KeyboardAvoidingView
      behavior={Platform.OS === 'ios' ? 'padding' : 'position'} // iOS 用 padding，Android 用 position
      keyboardVerticalOffset={Platform.OS === 'ios' ? 60 : 0} // iOS 中补偿导航栏高度
      style={styles.container}
    >
      <View style={styles.innerContainer}>
        <TextInput
          placeholder="请输入内容"
          value={text}
          onChangeText={setText}
          style={styles.input}
        />
        <Button
          title="提交"
          onPress={() => console.log('提交内容:', text)}
        />
      </View>
    </KeyboardAvoidingView>
  );
};

const styles = StyleSheet.create({
  container: {
    flex: 1,
  },
  innerContainer: {
    flex: 1,
    justifyContent: 'center',
    padding: 20,
  },
  input: {
    height: 40,
    borderColor: '#ccc',
    borderWidth: 1,
    marginBottom: 20,
    padding: 10,
  },
});

export default FormScreen;