为何我定位的字母是显示在屏幕中间，而不是页面顶部？

[lhhhhhhhhh]

import React, { Component } from 'react';
import {
View,
Text,
StyleSheet,
TouchableOpacity,
Animated,
TouchableHighlight,
ScrollView,
DeviceEventEmitter
} from 'react-native';
import AlphabetListView from 'react-native-alphabetlistview';

export default class TestMailListScreen extends Component<{}> {
constructor(props) {
super(props);
this.state = {
data: {
A: ['some','entries','are here','are here','are here','are here','are here','are here','are here','are here','are here','are here','are here','are here'],
B: ['some','entries','are here'],
C: ['some','entries','are here','are here','are here','are here','are here','are here','are here','are here','are here','are here','are here','are here'],
D: ['some','entries','are here'],
E: ['some','entries','are here'],
F: ['some','entries','are here'],
G: ['some','entries','are here'],
H: ['some','entries','are here'],
I: ['some','entries','are here'],
J: ['some','entries','are here'],
K: ['some','entries','are here'],
L: ['some','entries','are here'],
M: ['some','entries','are here'],
N: ['some','entries','are here'],
O: ['some','entries','are here'],
P: ['some','entries','are here'],
Q: ['some','entries','are here'],
R: ['some','entries','are here'],
S: ['some','entries','are here'],
T: ['some','entries','are here'],
U: ['some','entries','are here'],
V: ['some','entries','are here'],
W: ['some','entries','are here'],
X: ['some','entries','are here'],
Y: ['some','entries','are here'],
Z: ['some','entries','are here'],
}
};
}

render(){
    return(
        <AlphabetListView
            data={this.state.data}
            cell={this.Cell.bind(this)}
            cellHeight={30}
            sectionListItem={this.SectionItem.bind(this)}
            sectionHeader={this.SectionHeader.bind(this)}
            sectionHeaderHeight={22.5}
            updateScrollState={true}
        />
    )
}
Cell(data){
    return (
        <View style={{height:30}}>
          <Text>{data.item}</Text>
        </View>
    );
}
SectionItem(data){
    return (
        <View>
            <Text style={{color:'#f00'}}>{data.title}</Text>
        </View>
    );
}
SectionHeader(data){
    return (
        <View style={{backgroundColor: '#ccc'}}>
          <Text style={styles.textStyle}>{data.title}</Text>
        </View>
    );
}

}
const styles = StyleSheet.create({
textStyle: {
textAlign:'center',
color:'#fff',
fontWeight:'700',
fontSize:16
},
});
页面初始化 内容所有字母没有一次性加载出来，而是页面滑倒底部才慢慢加载，这样导致数据没加全，点击右侧字母定位不准确。请问如何处理？

[lhhhhhhhhh]

您好，我刚发现的新问题，我点击的是G 但是源码中scrollToSection(section)输出的section是E，请问如何解决这个问题？

[hejiaji]

@lhhhhhhhhh 作者表示已经不维护这个库了. (另：你写中文作者哪看的懂啊？)