如何在拾取器周围添加框架?在我的例子中,我试图在拾取器周围制作一个框架,让它看起来很好看,但我没有成功,我不清楚为什么。我运行的是安卓系统,我看不到周围的框架
import { Picker } from '@react-native-community/picker';
<Picker
mode="dropdown"
//pickerStyleType={}
selectedValue={selectedValue}
style={{
color: 'black',
placeholderTextColor: 'black',
borderColor: 'black',
borderWidth: 3,
height: 50,
width: 150,
justifyContent: 'flex-end',
}}
onValueChange={(itemValue, itemIndex) => setSelectedValue(itemValue)}
>
<Picker.Item label="1" value="1" />
<Picker.Item label="2" value="2" />
<Picker.Item label="3" value="3" />
</Picker>
尝试用类似的视图包装您的选取器
<View style={ { borderWidth: 1 } }></View>
<View style={{borderWidth:1}}>
<Picker
mode="dropdown"
selectedValue={selectedValue}
style={{
height: 50,
width: 150,
}}
onValueChange={(itemValue, itemIndex) => setSelectedValue(itemValue)}
>
<Picker.Item label="1" value="1" />
<Picker.Item label="2" value="2" />
<Picker.Item label="3" value="3" />
</Picker>
<View/>