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[英]how to create vertical slider in android by @react-native-community/slider?
[英]Is there any way to hide first options of @react-native-community/picker?
I would like to hide my first options "Please select"
选择器项目在弹出打开时,应该只显示 label 项目,我想要 select 而不是“请选择”label,如果有人帮助请帮助,谢谢。
<Picker
mode="dropdown"
selectedValue={this.state.textInputData.state}
onValueChange={(itemValueitemIndex)=>this.onChangeTextInput('state',itemValue)}>
<Picker.Item value='' label='Please select state' />
<Picker.Item label="Abu Dhabi" value="Abu Dhabi" />
<Picker.Item label="Dubai" value="Dubai" />
<Picker.Item label="Sharjah" value="Sharjah" />
<Picker.Item label="Ajman" value="Ajman" />
<Picker.Item label="Umm Al-Quwain" value="Umm Al-Quwain" />
<Picker.Item label="Fujairah" value="Fujairah" />
<Picker.Item label="Ras Al Khaimah" value="Ras Al Khaimah" />
</Picker>
使用selectedValue
道具作为 null 隐藏
<Picker
selectedValue={null}
.../>
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