UISupportsDocumentBrowser LSSupportsOpeningDocumentsInPlace Use code with caution. Step 4: Enhancing UX with Sharing
(React Native needs a library for this).
To , use react-native-blob-util to write the string to the local filesystem. Focus on handling Android permissions and iOS sandboxing correctly to ensure a seamless user experience. download base64 react native
Ensure you append the correct extension (e.g., .png , .pdf ) to the path, or the OS won't know which app should open the file.
import Share from 'react-native-share'; const shareBase64File = async (base64Data, fileName) => { const shareOptions = { title: 'Share File', url: `data:application/pdf;base64,${base64Data}`, // Note: Share accepts the full string filename: fileName, }; try { await Share.open(shareOptions); } catch (error) { console.log('Error sharing:', error); } }; Use code with caution. Best Practices & Performance Focus on handling Android permissions and iOS sandboxing
Sometimes "downloading" isn't enough—users want to send the file via WhatsApp or Email. You can combine your Base64 logic with react-native-share . javascript
iOS apps are sandboxed. You can freely write to DocumentDir , but if you want the user to see the file in the "Files" app, add this to Info.plist : You can freely write to DocumentDir
Note: For Android 10+, you may also need android:requestLegacyExternalStorage="true" in the tag if targeting older API levels.