How to use expo-document-picker - 5 common examples
To help you get started, we’ve selected a few expo-document-picker examples, based on popular ways it is used in public projects.
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EvanBacon / Lego-Expo / screens / HomeScreen.js View on Github 
onPress={async () => {
const { type, uri, name, size } = await DocumentPicker.getDocumentAsync(
{},
);
if (type === 'success') {
onPick && onPick({ uri, name, size });
}
}}
>_printDocumentPickerPDFAsync = async () => {
const { selectedPrinter } = this.state;
try {
const document = await DocumentPicker.getDocumentAsync({
type: 'application/pdf',
});
if (document.type !== 'success') {
throw new Error('User did not select a document');
}
await Print.printAsync({
uri: document.uri,
printerUrl: selectedPrinter ? selectedPrinter.url : undefined,
});
} catch (e) {
Alert.alert('Something went wrong: ', e.message);
}
};_openPicker = async () => {
const result = await DocumentPicker.getDocumentAsync({
copyToCacheDirectory: this.state.copyToCache,
});
if (result.type === 'success') {
this.setState({ document: result });
} else {
setTimeout(() => {
Alert.alert('Document picked', JSON.stringify(result, null, 2));
}, 100);
}
}_printDocumentPickerPDFAsync = async () => {
const { selectedPrinter } = this.state;
try {
const document = await DocumentPicker.getDocumentAsync({
type: 'application/pdf',
});
if (document.type !== 'success') {
throw new Error('User did not select a document');
}
await Print.printAsync({
uri: document.uri,
printerUrl: selectedPrinter ? selectedPrinter.url : undefined,
});
} catch (e) {
Alert.alert('Something went wrong: ', e.message);
}
}expo-document-picker
Provides access to the system's UI for selecting documents from the available providers on the user's device.
