我在我的React Native应用中有一个TextInput组件。我需要使该字段以408xx810xxx的掩码预填充,1-3和6-8位数字不允许用户更改。能否有人推荐最佳方法如何做到这一点?
<TextInput
style={[SS.input, styles.input]}
placeholder={props.placeholder} placeholderTextColor={theme.inputPlaceholder}
underlineColorAndroid='transparent' editable={!props.disabled}
keyboardType={props.keyboardType || 'default'} autoCapitalize={capitalize}
keyboardAppearance={props.keyboardAppearance}
autoCorrect={autoCorrect} selection={state.position}
secureTextEntry={this.state.guarded}
value={this.state.value}
onChangeText={this._onChangeText}
onFocus={this._onFocus} onBlur={this._onBlur}
autoFocus={props.autoFocus}
multiline={props.multiline}
maxLength={props.maxLength}
onContentSizeChange={onContentSizeChange}
/>