react native custom picker set style not working - reactjs

Question

I developing a react native project.
I use react-native-custom-picker but when I try gives a Custom Picker style it's not working. my code like this below
//.. in CustomPicker.js
<CustomPicker
placeholder={labelDefault}
options={options}
getLabel={item => item.label}
optionTemplate={this.renderOption}
selectedValue={this.props.selectedValue}
onValueChange={this.onValueChangeCustomPicker}
textStyle={{color:colors.dark_black,fontSize:25}}--> Here is not work
/>
renderOption() function like this
renderOption(settings) {
const { item, getLabel } = settings
return (
<View style={styles.optionContainer}>
<View style={styles.innerContainer}>
<Text style={{ color: colors.dark_black, alignSelf: 'flex-start', fontSize: 24 }} key={item.key}>{item.label}</Text>
</View>
</View>
)
}
I know Picker style only support IOS.
What's my fault? Any idea!

Answer 1

can you try this code?
I don't know how you organized "options," but you can't work because you don't have any place to take the factors for "colors."
renderOptions:
const options = [
...
color: "black",
]
...
renderOption(settings) {
const { item, getLabel } = settings
return (
<View style={styles.optionContainer}>
<View style={styles.innerContainer}>
<Text style={{ color: item.color, alignSelf: 'flex-start', fontSize: 25 }} key={item.key}>{item.label}</Text>
</View>
</View>
)
}
<CustomPicker
placeholder={labelDefault}
options={options}
getLabel={item => item.label}
optionTemplate={this.renderOption}
selectedValue={this.props.selectedValue}
onValueChange={this.onValueChangeCustomPicker}
/>

Answer 2

I checked source code and documentation if I wanna give style placeholder I should use props for field template like this.
<CustomPicker
fieldTemplateProps={{textStyle:{color:"red",fontSize:22}}}
placeholder={'Please select your favorite item...'}
options={options}
getLabel={item => item.label}
optionTemplate={this.renderOption}
headerTemplate={this.renderHeader}
onValueChange={value => {
Alert.alert('Selected Item', value ? JSON.stringify(value) : 'No item were selected!')
}}
/>
it's worked in my project
more detail