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Any idea why am I getting this error? You attempted to use a firebase module that's not installed on your Android project by calling firebase.app(). Ensure you have: 1) imported the 'io.invertase.firebase.app.ReactNativeFirebaseAppPackage' module in your 'MainApplication.java' file. 2) Added the 'new ReactNativeFirebaseAppPackage()' line inside of the RN 'getPackages()' method list.

I just stumbled upon this piece about BLE Beacons, and it really opened my eyes. The insights shared are thought-provoking and genuinely refreshing. If you're curious about BLE Beacons , this is a must- read in GAO RFID Inc -there's a wealth of information here that could reshape your understanding.

I couldn't connect to my physical android device, it occurs a lot of errors when i trying to run the created android pre-build. I think the configuration steps are failing, i just downloaded it using your sample github repo but it didn't work too for me. Can you please help me to run the project on my physical android device because i'm about to been in a knwon development team that works globally. 🙏

Where do you find your app bundle ID in expo?

Github link please.. want to effect this but not working out

Thanks so much! The expo config bit was really helpful.

Hey Dan, how can I contact you regarding a doubt ?

Can you provide any tutorial to limit the scan area

Is it possible to use <Camera> component instead of <CameraView>

How can i implement sign in with Google functionality using this approach...?

Really interesting project, thanks a lot for the awesome content 🎉, really appreciate it.

did you connected hte phone to the app with EXPO GO ?, when I eject the project for appear the android folder, I can't see the app in expo anymore

Hey Dan, 1 year later I'm here. It's a amazing video, congratulations!

Thank you for the video, you cleared up so much confusion. Also, nice touch with the background music, made it easier to follow lol

Is it possible to only scan certain types of barcodes?

I think you may forgot this line in the index.tsx.... const { Expo } = require('expo-server-sdk');

Great, looking for same logics, finally! 🎉

I subscribed to your channel and liked this video; it’s such a superb piece of content! I look forward to seeing more in the next video on handling native modules with React Native.

can I do this in expo development build without eas services?

Any tutorials you recommend to get start with react native? Great tutorial!

Hi @DanRNLab, What example of personal “address” can i use?

Hey Dan im able to scan for devices but all scans return this: {"_manager": {"_activePromises": {}, "_activeSubscriptions": {}, "_errorCodesToMessagesMapping": {"0": "Unknown error occurred. This is probably a bug! Check reason property.", "1": "BleManager was destroyed", "100": "BluetoothLE is unsupported on this device", "101": "Device is not authorized to use BluetoothLE", "102": "BluetoothLE is powered off", "103": "BluetoothLE is in unknown state", "104": "BluetoothLE is resetting", "105": "Bluetooth state change failed", "2": "Operation was cancelled", "200": "Device {deviceID} connection failed", "201": "Device {deviceID} was disconnected", "202": "RSSI read failed for device {deviceID}", "203": "Device {deviceID} is already connected", "204": "Device {deviceID} not found", "205": "Device {deviceID} is not connected", "206": "Device {deviceID} could not change MTU size", "3": "Operation timed out", "300": "Services discovery failed for device {deviceID}", "301": "Included services discovery failed for device {deviceID} and service: {serviceUUID}", "302": "Service {serviceUUID} for device {deviceID} not found", "303": "Services not discovered for device {deviceID}", "4": "Operation was rejected", "400": "Characteristic discovery failed for device {deviceID} and service {serviceUUID}", "401": "Characteristic {characteristicUUID} write failed for device {deviceID} and service {serviceUUID}", "402": "Characteristic {characteristicUUID} read failed for device {deviceID} and service {serviceUUID}", "403": "Characteristic {characteristicUUID} notify change failed for device {deviceID} and service {serviceUUID}", "404": "Characteristic {characteristicUUID} not found", "405": "Characteristics not discovered for device {deviceID} and service {serviceUUID}", "406": "Cannot write to characteristic {characteristicUUID} with invalid data format: {internalMessage}", "5": "Invalid UUIDs or IDs were passed: {internalMessage}", "500": "Descriptor {descriptorUUID} discovery failed for device {deviceID}, service {serviceUUID} and characteristic {characteristicUUID}", "501": "Descriptor {descriptorUUID} write failed for device {deviceID}, service {serviceUUID} and characteristic {characteristicUUID}", "502": "Descriptor {descriptorUUID} read failed for device {deviceID}, service {serviceUUID} and characteristic {characteristicUUID}", "503": "Descriptor {descriptorUUID} not found", "504": "Descriptors not discovered for device {deviceID}, service {serviceUUID} and characteristic {characteristicUUID}", "505": "Cannot write to descriptor {descriptorUUID} with invalid data format: {internalMessage}", "506": "Cannot write to descriptor {descriptorUUID}. It's not allowed by iOS and therefore forbidden on Android as well.", "600": "Cannot start scanning operation", "601": "Location services are disabled"}, "_eventEmitter": {"_nativeModule": [Object]}, "_scanEventSubscription": {"remove": [Function remove]}, "_uniqueId": 6}, "id": "BA:03:64:65:45:CC", "isConnectable": null, "localName": null, "manufacturerData": null, "mtu": 23, "name": "Tv510u-646545CC", "overflowServiceUUIDs": null, "rssi": null, "serviceData": null, "serviceUUIDs": null, "solicitedServiceUUIDs": null, "txPowerLevel": null} What am i doing wrong?

Hello @DanRNLab!! Why in the minute 5:25 you write a line with "app.listen" on the index.ts and in the minute 5:40 you open the index.ts and there isn't the line "app.listen"? Is there two files index.ts? What is the difference between both?

Hi, great job, I wonder how can I send qrcode to software on my pc I tried everything but nothing, the error "is network request failed", can you help me with that?

Please someone create native module for draw over other apps overlay i really cant do it with kotlin its HELL if someone can help me please

i have question please at min 4:25 you open the android folder in example folder how you can see the all project files and edit them all from android studio not just the example/android

abasolutely perfect! ty bro!

“Back in the days when C was in prominence” - thanks for making me feel old 😂

Thank you Dan, do you think Jotai could simplify the techstack and remove RTK from the equasion? It seems to be a simple solution

Who can enlighten me, tell me how it would be to insert the scanned value into an input that is in another view, please?

Clean tutorial..you can say that again.

Great tutorial! 🙌🙌

is there any particular naming convention for the Apple Bundling ID?

Thanks dude! It works! I'm building smart campervan app and push notifications was my latest TODO :D Yeah it WAS, thanks to you! :)

do we really need expo prebuild to use camera ?

hi, i followed the tutorial and when i try it on my ios device, the camera freezes when going back to the app. Is there any solution for this? Thank you in advance.

really helped

Awesome, thanks for the tutorial! I have a chat application. When I read a message on one device, the push notification should disappear from the notification list on all other devices. Can you tell me how to implement removing notifications in the background?

Thanks for the tutorial, it still helps people like me half year later. Thanks for your work.

Hi, Dan thank you for those videos, I'm not a RN dev(more on the web side), but I do a little mobile too from time to time. I've seen a couple of last videos on the channel, but it seems you are not using expo-router(new arch) for some reasons, it is not affecting the quality of your tutorials, just curious why, are there some compatibility issues or anything else? I've been following along with apple watch one (using expo-router) it was working without problem. Cheers and thanks once again, your content is superb!

wow!

So how did you do the overlay with the corner radius? lol I tried a few options. Masked view but couldn’t figure it out. And doing a top bottom left right overlay but then can’t have a rounded border.

how are you supposed to use a real phone if you cant use expo go? lol

Thank you su much, I was stuck trying to get this working and with your video I was able to make it successfully!

Dan saved the day.

Super cool project! Thanks for the great content!

Thank you, Dan. We need more advance topic like this. Awesome!

You are so talented, keep it up, and thanks for an awesome video!

I love these advanced videos. Keep it up ❤