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19 lines
548 B
19 lines
548 B
import * as React from 'react';
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import { BackHandler } from 'react-native';
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export default function useBackButton(ref) {
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React.useEffect(() => {
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const subscription = BackHandler.addEventListener('hardwareBackPress', () => {
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const navigation = ref.current;
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if (navigation == null) {
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return false;
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}
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if (navigation.canGoBack()) {
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navigation.goBack();
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return true;
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}
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return false;
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});
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return () => subscription.remove();
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}, [ref]);
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}
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//# sourceMappingURL=useBackButton.js.map
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