Thingspeak to Flutter - flutter

So I planned to create an Android app using the Flutter plugin in Android Studio. I'm still a beginner, so I'm trying a few codes, but I'm not sure if I would be able to transmit the data from my Arduino sensors to the ThingSpeak IoT platform and then to my app. I saw answers about this, maybe on java, I think, but I haven't seen a single solution to Flutter, so if anybody knows, please tell me. I'm not asking for the code, but please do enlighten me if it's possible and, if yes, how? Thank you.

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flutter google ml kit android APK size reduce solution

I would like to ask for a little help here, so for our application there is this feature of face detection and for its implementation we have used google ml kit, but the problem we are facing with that is, it generates the huge APK file size, I would really appreciate your help here if you have got some alternatives for the same, if not the alternative can u please let us know the way around it so that the APK size would not be this big. Thank you!
we are developing a flutter app, plugin reference is from https://pub.dev/packages/google_ml_kit

Is it possible for the Flutter App to be able to unlock and lock a car door?

Is it possible for the Flutter App to be able to unlock and lock a car door? What are the things I need to start with?
Does it include the functionalities of Telematics technology?
Look at all the available packages at pub.dev. Maybe one provides the functionalities you need.
By right we only accept programming questions here. You write some code and you get stumped. You show your current code and we help you debug/fix the code.
With a quick google I was able to find this as the first result:
https://github.com/rrrovalle/tesla-car-app
Seems possible. Just try your luck googling and looking on pub.dev.
Maybe there's a package. Maybe you have to implement it yourself or use native packages in the platform channels.
There's probably a solution. But you will have to do some research yourself.

What's the best way to communicate with nearby Android/iOS devices using Flutter

Let's imagine User A.
I want to build an application that detects all users of my app who are currently close to user A (in terms of real-life proximity). They should be able to send out ID's to each other to identify which users are currently around them. This should work cross-platform, so Android devices should be able to see iOS devices and so on.
I'm using Flutter and have done some research but none of the example apps worked cross platform. So far I tried flutter_blue, beacon_broadcast and flutter_reactive_ble.
If someone has experience in this field, I would be incredibly thankful for some advice on how to approach this.
Thank you so much in advance!

Does Flutter have a good way to share code between mobile and web applications?

I'm looking for a good tool to develop to Web and Mobile.
A friend of mine recommended me to learn NativeScript/Angular because with that tool is possible to write the services, models, and controllers only one time and create specific views for Mobile and Web platform, sharing almost 100% the business logic code.
But I think that native script is not so hyped as flutter and maybe flutter could be more used in the next days, so I'm searching for this type of tutorial (sharing logic between Mobile and Web) in a flutter, but I'm not sure if this is really possible.
I saw something about BLOC pattern, but I am not sure if this is the correct solution for this type of project, or even if it is possible to write logic code only one time and specific "views" for Mobile and Web in a flutter.
Can anybody help me with this issue?
Thanks in advance (and sorry about my English, I'm not fluent yet)
That's the whole propaganda of flutter. The framework is made to write one code and run everywhere (android, ios, web, desktop). So you definitely are on the right path.
Unfortunately flutter web is a bit unstable right now and maybe you can face some difficulty.

I need to program alarms in my Flutter App

Hello i'm developing an Flutter App and i need to program alarms in that.
I already try with Alarm_Manager and Alarm_Clock but the examples is confuse to me, i tried to implement it but doesn't work, if someone have an alternative or someone can help me to implement Alarm_Manager i'll be grateful.
Thanks