How to Observe Internet Connectivity in Android - Android Studio Tutorial

Hey Phillip its a great video. but how to use the check internet flag in our viewModel. do we need to check internet on every api call or any better global way to check?

How to use it in viewModel where we can't have applicationContext

Hi bro you know me who I'm

Good Explanation . Thank you

Network status is updated,but what happens when we have wifi connection but not internet.

I believe there is a bug here - if you open the app while network is already available, wouldn't the app still show Unavailable since the initial state you set was UNAVAILABLE and the callback would not actually be triggered for AVAILABLE since it is already available?
I think there needs to be a check for initial state

I tried this implementation to show a toast/snackbar whenever the network connection is lost. It works but the observe function seems to emit duplicate states showing multiple toasts, even with distinctuntilchanged(), I see the same behavior even when converting to a state flow. I fixed this by assigning the send blocks to a job and and canceling the job on each network change call with a delay: ex: override fun onLost(network: Network) {
super.onLost(network)
job?.cancel()
job = launch {
delay(500)
trySend(ConnectivityObserver.Status.Lost)
}
}

Very useful, but what happen with mobile network but not internet data, still get Available

What if user has +4G on but got no data plan? What can i do in that case?

this shit.
this code work only when we off wifi and mobile data. when we have bad internet connection this code return avaliable

Should i use sync adapter to synchronize my local db with server?

I've implemented this, but when my internet is off and i'm opening the application, it doesn't trigger disconnected state!!
Can you please give brief!
Thanks

Did you ever handle that last scenario?, A very frequent scenario is when you connect to a public wifi and the network is saturated or internet is down. You will still be connected to the internet, but you wont have any internet access whatsoever.

Hey I'm Unable to get the unavailable status im not using compose just observing in activity what am I doing wrong?

Nice video.... Thank u so much for this....

Thank You for making video in Kotlin 🙏

How to pass initial state in non-compose application?

Hi Philip thanks for this video. I am trying to implement this in my application that uses hilt for DI. I have a custom Interceptor that adds some auth header before the request is being processed, but my application crashes as soon as it opens. How can I catch the error and send it to the user? Thank you

The observe() function registers a new network callback every time we try to observe it and returns a cold flow. We can prevent this by converting the cold flow into a hot flow using the `shareIn` or `stateIn` operators. We can add a property to the `class NetworkConnectivityObserver` like this:

```
val status: Flow<Status> = observe().stateIn(scope, WhileSubscribed(), Status.Unavailable) // Injected scope
```

Or creating a `class NetworkStatusRepository(CoroutineScope, ConnectivityObserver)` which creates a property like above will be better.

Thank you for your great content, however I seem to get an issue with this - my App doesn't fire when you first hook up the flow and you have no internet - I was expecting it to show 'Unavailable' as it does with 'Available'...

how to observe it without compose collectasstate is not the option available in normal xml

Hey, great video, I've tried to implement it but it seems like onUnavailable is not getting triggered? I've tried and turned off wifi and data in emulator, started the app and no log message showed up. Then when I turned on Wifi, Available status got sent to the channel and then when I turned it off, Lost status got sent. But never the Unavailable.

If I have to ping google to check whether connection really exists or not, how should I do it?

This is timely. Thanks a lot for the thorough breakdown on how and why.

Hi, this crushes app if you turn off and on and turn it back while observing some state.

Hi Philipp, thanks for the awesome video, one question, if we were to implement this in ViewModel, we would need to extend AndroidViewModel for getting the application context, is there a way we can do this with extending the simple ViewModel class?

Hey bro, Thank you so much for the great content 🙏

One question, can we not use trySend() instead of launch { send( ) }

or is it ultimately the same thing

Thanks

Hi, I have a doubt. For eg: fun getUsers(): Flow<List<ApiUser>> and suspend fun getUsers(): List<ApiUser>. Here both the function will fetch the list of data from the API. What are the benefits of converting API data or List into FLOW? Also, my app does not retrieve streams of data like the stock market or video streaming app. Do I really need to use Flow?

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Hey bro I have a question, Have you thought about doing an updated augmented reality course, perhaps with the scene view library on udemy or I don't know if on any platform? Because the scene form is no longer maintained and it is a world with a lot of potential but little explored. Thank you.

What's your thought on creating a state based application like implementing FSM(Finite State Machine) in its brother ?

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Thank you sir for the great content, I just want to know where does the observer fit in the clean architecture design

Phillip i was finding a solution like this, thanks brother.

Awesome tutorial Phill

I try these code but these callback is not work(apart from onAvailable)..

Very nice. Exactly what I needed right now 😂

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Wouldn't it be better to use StateFlow, less and cleaner code?

It's a useful demo for handling the context depend resource by callbackflow ❤️

Connectivity means nothing, if it is connected not the fact user have internet

please tell me how to create game animation
please tell me about graphics
canvas unity, agdk

Great tutorial! I would love to have a video which will expand this knowledge to Ethernet connection observer via broadcast receiver for Android boxes!

Much needed 💙

I am having an Issue to when I add the Permissions for the Network_State. it Informs me even after adding to manifest permission is still missing

How can I convert this code to a service, to monitoring all mi app no only one activity? 🤔