mobile / YH_RNComponent · Commits

Go to a project

Authored by Kennaki
Commit c4f49e979619acb6f299992e858af9e0407a6ad1 1 parent a6439290

安卓滑动卡顿问题。

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Showing 1 changed file with 10 additions and 8 deletions
... ... @@ -367,14 +367,15 @@ export default class NewArrival extends Component {
}}
scrollEventThrottle={300}
initialListSize={40}
onScroll={(event) => {
if (this.state.showBackToTopButton && event.nativeEvent.contentOffset.y < height) {
this.setState({showBackToTopButton: false});
}
if (this.state.showBackToTopButton == false && event.nativeEvent.contentOffset.y > height) {
this.setState({showBackToTopButton: true});
}
}}
onScrollEndDrag={(event) => {
if (this.state.showBackToTopButton && event.nativeEvent.contentOffset.y < height) {
this.setState({showBackToTopButton: false});
}
if (this.state.showBackToTopButton == false && event.nativeEvent.contentOffset.y > height) {
this.setState({showBackToTopButton: true});
}
}}
/>
{productList.isFilter ?
<NewArrivalCategoryList
... ... @@ -400,6 +401,7 @@ export default class NewArrival extends Component {
style={styles.backToTopButton}
onPress={()=>{
this.listView && this.listView.scrollTo({x: 0, y: 0, animated: true});
this.setState({showBackToTopButton: false});
}}>
<Image style={{flex:1}} source={require('../../image/backtop.png')}/>
</TouchableOpacity>: null
... ...