image.png
var LanguageData = [
'簡體中文',
'English',
'Indonesian',
]
<Picker
style={{
marginTop: 20,
width: 150,
alignSelf: 'center',
}}
mode='dropdown'
prompt='標(biāo)題，dialog模式才有效果'
selectedValue={this.state.language}
onValueChange={(lang) => {
this.setState({language: lang})
}
}>
<Picker.Item label="簡體中文" value="簡體中文"/>
<Picker.Item label="English" value="English"/>
<Picker.Item label="Indonesian" value="Indonesian"/>
{
// LanguageData.map(function (value, position) {
// return (
// <Picker.Item key={position} label={value} value={value}/>
// )
// })
}
{
// LanguageData.map((key, i) => this.renderPicker(key, i))
}
</Picker>
