TextField

import { useState } from 'react';
import { Host, TextField, Text } from '@expo/ui/jetpack-compose';

export default function BasicTextFieldExample() {
  const [value, setValue] = useState('');

  return (
    <Host matchContents>
      <TextField onValueChange={setValue}>
        <TextField.Label>
          <Text>用户名</Text>
        </TextField.Label>
      </TextField>
    </Host>
  );
}

import { useState } from 'react';
import { Host, OutlinedTextField, Text } from '@expo/ui/jetpack-compose';

export default function OutlinedTextFieldExample() {
  const [value, setValue] = useState('');

  return (
    <Host matchContents>
      <OutlinedTextField onValueChange={setValue}>
        <OutlinedTextField.Label>
          <Text>邮箱</Text>
        </OutlinedTextField.Label>
        <OutlinedTextField.Placeholder>
          <Text>you@example.com</Text>
        </OutlinedTextField.Placeholder>
      </OutlinedTextField>
    </Host>
  );
}

import { useState } from 'react';
import { Host, TextField, Text } from '@expo/ui/jetpack-compose';

export default function TextFieldSlotsExample() {
  const [value, setValue] = useState('');

  return (
    <Host matchContents>
      <TextField onValueChange={setValue}>
        <TextField.Label>
          <Text>价格</Text>
        </TextField.Label>
        <TextField.Placeholder>
          <Text>0.00</Text>
        </TextField.Placeholder>
        <TextField.LeadingIcon>
          <Text>💰</Text>
        </TextField.LeadingIcon>
        <TextField.Prefix>
          <Text>$</Text>
        </TextField.Prefix>
        <TextField.Suffix>
          <Text>USD</Text>
        </TextField.Suffix>
        <TextField.SupportingText>
          <Text>输入金额</Text>
        </TextField.SupportingText>
      </TextField>
    </Host>
  );
}

import { useState } from 'react';
import { Host, TextField, Text } from '@expo/ui/jetpack-compose';

export default function KeyboardOptionsExample() {
  const [value, setValue] = useState('');

  return (
    <Host matchContents>
      <TextField
        onValueChange={setValue}
        singleLine
        keyboardOptions={{
          keyboardType: 'email',
          capitalization: 'none',
          autoCorrectEnabled: false,
          imeAction: 'done',
        }}>
        <TextField.Label>
          <Text>邮箱</Text>
        </TextField.Label>
      </TextField>
    </Host>
  );
}

import { useState } from 'react';
import { Host, TextField, Text } from '@expo/ui/jetpack-compose';

export default function KeyboardActionsExample() {
  const [value, setValue] = useState('');
  const [submitted, setSubmitted] = useState('');

  return (
    <Host matchContents>
      <TextField
        onValueChange={setValue}
        singleLine
        keyboardOptions={{ imeAction: 'search' }}
        keyboardActions={{
          onSearch: text => setSubmitted(text),
        }}>
        <TextField.Label>
          <Text>搜索</Text>
        </TextField.Label>
      </TextField>
    </Host>
  );
}

import { useState } from 'react';
import { Host, OutlinedTextField, Text } from '@expo/ui/jetpack-compose';

export default function ErrorStateExample() {
  const [value, setValue] = useState('');
  const hasError = value.length > 0 && !value.includes('@');

  return (
    <Host matchContents>
      <OutlinedTextField onValueChange={setValue} isError={hasError} singleLine>
        <OutlinedTextField.Label>
          <Text>邮箱</Text>
        </OutlinedTextField.Label>
        <OutlinedTextField.SupportingText>
          <Text>{hasError ? '请输入有效的邮箱地址' : '必填'}</Text>
        </OutlinedTextField.SupportingText>
      </OutlinedTextField>
    </Host>
  );
}

import { useRef, useState } from 'react';
import { Host, TextField, TextFieldRef, Button, Row, Text, Column } from '@expo/ui/jetpack-compose';
import { padding } from '@expo/ui/jetpack-compose/modifiers';

export default function ImperativeRefExample() {
  const ref = useRef<TextFieldRef>(null);
  const [value, setValue] = useState('');

  return (
    <Host matchContents>
      <Column>
        <TextField ref={ref} onValueChange={setValue} singleLine>
          <TextField.Label>
            <Text>姓名</Text>
          </TextField.Label>
        </TextField>
        <Row horizontalArrangement={{ spacedBy: 8 }} modifiers={[padding(8, 0, 0, 0)]}>
          <Button onClick={() => ref.current?.setText('你好！')}>
            <Text>设置文本</Text>
          </Button>
          <Button onClick={() => ref.current?.focus()}>
            <Text>聚焦</Text>
          </Button>
          <Button onClick={() => ref.current?.blur()}>
            <Text>失焦</Text>
          </Button>
        </Row>
      </Column>
    </Host>
  );
}