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always set this.pageCount #5

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always set this.pageCount #5

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d5b46d5
allways set this.pageCount
ksti Sep 20, 2016
5af4ea0
when componentDidUpdate you should compare prevProps.pageDataArray.le…
ksti Sep 20, 2016
acf834e
if initialPage changed , then scroll to nextProps.initialPage
ksti Sep 21, 2016
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15 changes: 14 additions & 1 deletion library/ViewPager.js
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Original file line number Diff line number Diff line change
Expand Up @@ -178,6 +178,19 @@ export default class ViewPager extends Component {
}
}

componentWillReceiveProps(nextProps) {
if (nextProps.initialPage !== this.props.initialPage) {
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if initialPage changed , then scroll to nextProps.initialPage.
this code should be put in componentWillReceiveProps not in componentDidUpdate

if (typeof nextProps.initialPage === 'number') {
if (Platform.OS === 'ios') {
this.scrollToPage(nextProps.initialPage, true);
} else {
//A trick to solve bugs on Android. Delay a little
setTimeout(this.scrollToPage.bind(this, nextProps.initialPage, true), 0);
}
}
};
}

componentDidUpdate(prevProps, prevState) {
if (!this.initialPageSettled) {
this.initialPageSettled = true;
Expand All @@ -187,7 +200,7 @@ export default class ViewPager extends Component {
//A trick to solve bugs on Android. Delay a little
setTimeout(this.scrollToPage.bind(this, this.props.initialPage, true), 0);
}
} else if (this.layoutChanged || prevProps.pageDataArray.length !== this.props.pageDataArray.length) {
} else if (this.layoutChanged) {
this.layoutChanged = false;
if (typeof this.currentPage === 'number') {
if (Platform.OS === 'ios') {
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