@uiw/react-native
Version:
UIW for React Native
137 lines (109 loc) • 3.69 kB
Markdown
Slider 滑块输入条
---
允许用户在一个区间中选择特定值。
> 自带 Slider 已经过时,交于社区维护 [`react-native-slider`](https://github.com/react-native-community/react-native-slider),当前组件是重新封装保持 iOS/android 效果一致。
<!--rehype:style=border-left: 8px solid
```jsx mdx:preview&background=
import React, { useState } from 'react';
import { Text } from 'react-native';
import { Slider } from '@uiw/react-native';
function Demo() {
const [value, setValue] = useState(0.3);
return (
<>
<Slider
value={value}
onChange={(cValue) => setValue(cValue)}
/>
<Text>值:{value.toFixed(1)}</Text>
</>
);
}
export default Demo
```
```jsx mdx:preview&background=
import React, { useState } from 'react';
import { Slider } from '@uiw/react-native';
function Demo() {
const [value, setValue] = useState(0.3);
return (
<Slider
shownThumb={false}
value={value}
onChange={(cValue) => setValue(cValue)}
/>
);
}
export default Demo
```
```jsx mdx:preview&background=
import React, { useState } from 'react';
import { Slider } from '@uiw/react-native';
function Demo() {
const [value, setValue] = useState(0.3);
return (
<Slider
step={0.2}
value={value}
onChange={(cValue) => setValue(cValue)}
/>
);
}
export default Demo
```
```jsx mdx:preview&background=
import React, { useState } from 'react';
import { Slider } from '@uiw/react-native';
function Demo() {
const [value, setValue] = useState(0.3);
return (
<Slider
value={value}
onChange={(cValue) => setValue(cValue)}
thumbTintColor="#008ef0"
maximumTrackTintColor="#333"
minimumTrackTintColor="white"
/>
);
}
export default Demo
```
```jsx mdx:preview&background=
import React from 'react';
import { Slider } from '@uiw/react-native';
function Demo() {
return (
<Slider
disabled
value={0.5}
/>
);
}
export default Demo
```
| 参数 | 说明 | 类型 | 默认值 |
|------|------|-----|------|
| `value` | 初始值 | Number | - |
| `step` | 滑块的步长值。该值应介于`0`到 `maxValue`~ `minValue`之间) | Number | - |
| `maxValue` | 最大值 | Number | `1` |
| `minValue` | 最小值 | Number | `0` |
| `disabled` | 值为 `true` 时,滑块为禁用状态 | Boolean | - |
| `vertical` | 值为 `true` 时,Slider 为垂直方向 | Boolean | - |
| `trackStyle` | 设置轨道样式 | ViewStyle | - |
| `thumbStyle` | 设置拖拽按钮样式 | ViewStyle | - |
| `thumbTintColor` | 设置拖拽按钮背景颜色 | String | - |
| `maximumTrackTintColor` | 轨道背景颜色 | String | - |
| `minimumTrackTintColor` | 左侧或者上部分轨道颜色 | String | - |
| `animationConfig` | 设置动画参数 | Animated.SpringAnimationConfig | - |
| `animateTransitions` | 设置为 `true` 可使用默认的 `timing` 动画类型为值设置动画 | Boolean | - |
| `shownThumb` | 设置轨道上访拖拽滑块是否显示| Boolean | - |
| `thumbSize` | 滑块尺寸 | `{ width: number; height: number; }` | `{ width: 20, height: 20 }` |
| `onChange` | 当 `Slider` 的值发生改变时,会触发 `onChange` 事件,并把改变后的值作为参数传入 | (value: number) => void | - |
| `onSlidingComplete` | 当滑块停止滑动时触发事件 | (value: number) => void | - |
| `onSlidingStart` | 当滑块开始滑动时触发事件 | (value: number) => void | - |