mirror of
https://github.com/zhigang1992/react-navigation.git
synced 2026-02-12 22:30:36 +08:00
chore: tweak album example
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@@ -9,6 +9,7 @@ import {
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ScrollViewProps,
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Dimensions,
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Platform,
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ScaledSize,
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} from 'react-native';
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import { useScrollToTop } from '@react-navigation/native';
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@@ -40,15 +41,38 @@ const COVERS = [
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];
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export default function Albums(props: Partial<ScrollViewProps>) {
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const [dimensions, setDimensions] = React.useState(Dimensions.get('window'));
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React.useEffect(() => {
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const onDimensionsChange = ({ window }: { window: ScaledSize }) => {
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setDimensions(window);
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};
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Dimensions.addEventListener('change', onDimensionsChange);
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return () => Dimensions.removeEventListener('change', onDimensionsChange);
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}, []);
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const ref = React.useRef<ScrollView>(null);
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useScrollToTop(ref);
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const itemSize = dimensions.width / Math.floor(dimensions.width / 150);
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return (
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<ScrollView ref={ref} contentContainerStyle={styles.content} {...props}>
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{COVERS.map((source, i) => (
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// eslint-disable-next-line react/no-array-index-key
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<View key={i} style={styles.item}>
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<View
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// eslint-disable-next-line react/no-array-index-key
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key={i}
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style={[
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styles.item,
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Platform.OS !== 'web' && {
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height: itemSize,
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width: itemSize,
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},
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]}
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>
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<Image source={source} style={styles.photo} />
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</View>
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))}
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@@ -76,10 +100,6 @@ const styles = StyleSheet.create({
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flexDirection: 'row',
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flexWrap: 'wrap',
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},
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item: {
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height: Dimensions.get('window').width / 2,
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width: '50%',
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},
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},
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}),
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photo: {
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@@ -219,7 +219,7 @@ export default function App() {
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return null;
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}
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const isLargeScreen = dimensions.width > 834;
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const isLargeScreen = dimensions.width >= 1024;
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return (
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<PaperProvider theme={paperTheme}>
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