How to use the expo-print.printToFileAsync function in expo-print
To help you get started, we’ve selected a few expo-print examples, based on popular ways it is used in public projects.
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expo / expo / apps / native-component-list / src / screens / PrintScreen.tsx View on Github 
_printHTMLToPDF = async () => {
try {
const pdf = await Print.printToFileAsync({
html: `
<h1 style="font-size: 50px; font-family: Helvetica Neue; font-weight: normal;">
Hello Expo!
</h1>
<img style="width: 90vw;" src="https://d30j33t1r58ioz.cloudfront.net/static/guides/sdk.png">
`,
});_printHTMLToPDF = async () => {
try {
const pdf = await Print.printToFileAsync({
html: `
<style>
@page {
margin: 20px;
}
</style>
<h1 style="font-size: 50px; font-family: Helvetica Neue; font-weight: normal;">
Hello Expo!
</h1>
<img style="margin: 20px;" src="https://snack.expo.io/static/expo-logo.png">expo-print
Provides an API for iOS (AirPrint) and Android printing functionality.
