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Preview uploaded document in expo react native

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i have a problem with viewing the uploaded file. any one have idea?enter image description here

see picture please, i use react native with expo and i code a button that enable to upload files(doc,pdf)but I can not find a way or method to show the files and its extensions.

state = {    };DocPick = async () => {        let DocPrint = await DocumentPicker.getDocumentAsync({});          alert("sucess");// here after the alert comes the file name + type + preview      console.log(DocPrint);    }  render() {    return (<View><Button color='#8098db'          title=" CHOOSE FILE "           onPress={this.DocPick} /><KeyboardAvoidingView behavior="padding" enabled><WebView source={{ uri: 'https://dev.pjsc.bothrs.com' }} /></KeyboardAvoidingView></View>    );  }}

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