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Fixed: next can only be pressed once and not while scrolling; fixes #48 #49

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Fixed: next can only be pressed once and not while scrolling; fixes #48 #49

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22 changes: 20 additions & 2 deletions AppIntro.js
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Original file line number Diff line number Diff line change
Expand Up @@ -108,6 +108,7 @@ export default class AppIntro extends Component {
constructor(props) {
super(props);

this.isScrolling = false;
this.styles = StyleSheet.create(assign({}, defaulStyles, props.customStyles));

this.state = {
Expand All @@ -119,6 +120,12 @@ export default class AppIntro extends Component {
}

onNextBtnClick = (context) => {
if (this.isScrolling) {
return;
}

this.isScrolling = true;

if (context.state.isScrolling || context.state.total < 2) return;
const state = context.state;
const diff = (context.props.loop ? 1 : 0) + 1 + context.state.index;
Expand All @@ -137,6 +144,16 @@ export default class AppIntro extends Component {
this.props.onNextBtnClick(context.state.index);
}

onLayout (e) {
this.width = e.nativeEvent.layout.width;
}

onScroll (e) {
if (0 === e.x % this.width) {
this.isScrolling = false;
}
}

setDoneBtnOpacity = (value) => {
Animated.timing(
this.state.doneFadeOpacity,
Expand Down Expand Up @@ -337,7 +354,7 @@ export default class AppIntro extends Component {
}

return (
<View>
<View onLayout={this.onLayout.bind(this)}>
{androidPages}
<Swiper
loop={false}
Expand All @@ -351,7 +368,8 @@ export default class AppIntro extends Component {
this.props.onSlideChange(state.index, state.total);
}}
onScroll={Animated.event(
[{ x: this.state.parallax }]
[{ x: this.state.parallax }],
{ listener: this.onScroll.bind(this) },
)}
>
{pages}
Expand Down