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0 answers
107 views

I'm working on a Xamarin Forms app that communicates with a hardware device over Bluetooth Low Energy (BLE). If the app user decides to terminate the app by swiping up, I would like to notify the ...
-1 votes
1 answer
249 views

I am coding an Android app using Android Studio. My service class takes the values from the main activity class when starting the service. However, when I reassign the values in the main activity, the ...
0 votes
2 answers
451 views

I manage an Android app for a client and am trying to detect when the app is removed from memory. I've noticed via logcat that when the app is removed from memory an ON_CREATE Lifecycle.Event is being ...
2 votes
1 answer
333 views

I'm a beginner with android and i have to create a simple app that handle a lessons book for students. Basically, sometimes i log out and crash with this error, sometimes not. I don't use se function &...
0 votes
1 answer
959 views

How do I call an API inside fragment using kotlin-coroutines before exiting the application? In fact, I want it to be called before leaving the application.
0 votes
0 answers
88 views

I tried to do this @Override protected void onDestroy() { super.onDestroy(); SharedPreferences.Editor editor=this.getMyView().getSp().edit(); editor.putInt("score"...
0 votes
1 answer
86 views

The goal is to update status in a remote database once the activity gets destroyed. The difficulty is that the activity's onDestroy() method call can be skipped if system kills the process. The ...
3 votes
1 answer
1k views

FYI: The question is short, but just in case I added more information at the end that may be relevant. I needed an infinite scrolling ViewPager2, and I wanted to reuse a Fragment from the project as ...
0 votes
2 answers
5k views

I know that, unlike onCreate(), Application class does not have a onDestroy() method. But I wanted to know when my application is closed (or it is not visible on screen anymore). After all, whatsapp ...
1 vote
1 answer
685 views

I noticed that in my Android app, after navigating away from a fragment, the onCreate() and onDestroy() methods are still called. This causes my code to throw an exception as the onDestroy() method ...
6 votes
3 answers
4k views

I'm wondering if Android system is able to kill the activity without the entire application process while the app is minimized. From Android documentation we know that onDestroy is only called when ...
0 votes
1 answer
157 views

I am building an medication reminder app in android using java. User can set one or more reminders and according to those will get notified to take the medicine. Problem is, whenever a notification is ...
0 votes
0 answers
43 views

I have a service that I start via and return START_REDELIVER_INTENT public int onStartCommand(Intent intent, int flags, int startId) { ... return START_REDELIVER_INTENT; } so it gets ...
0 votes
2 answers
56 views

I'm trying to save some Array of objects to SharedPreferences. How it's working on my app: I have RecyclerView that contains clickable items. On click on these items, they are added to a new Array. ...
1 vote
1 answer
171 views

I have an Activity that contains a Recycler view and is called from the main activity with an extra string. The user would then do some things that would change the string and I would like to send it ...

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