ondestroy Questions
2
The Angular documentation says
ngOnDestroy(): Cleanup just before Angular destroys the directive/component. Unsubscribe Observables and detach event handlers to avoid memory leaks.
Called jus...
5
Solved
I have an activity in my app with 3 fragments. When a button is pushed on the first one, a method is called in the Activity that does some irrelevant stuff and then calls finish().
This triggers o...
Winifield asked 17/7, 2013 at 13:28
13
Solved
I'm developing android applications for a while, and followed a lot of posts about activity life cycle, and application's life cycle.
I know Activity.finish() method calls somewhere in the way to ...
Preston asked 1/6, 2012 at 9:13
1
Solved
I trying to detect the app close on flutter. Is there any way possible on dart?
I try using WidgetsBindingObserver but flutter can only detect AppLifecycleState of paused, inactive (I believe that...
9
Solved
What is the life cycle of an Android activity? Why are so many similar sounding methods (onCreate(), onStart(), onResume()) called during initialization, and so many others (onPause(), onStop(), on...
2
Solved
I have a custom view component. I used it in either fragment or activity. I would like to know if there's a callback when it's destroyed from fragment/activity?
3
Solved
When we press this button
We see the apps which we didn't close, like this
But when we want to close an app from this screen (below image), the method onDestroy() isn't called, however the app ...
Variegated asked 19/1, 2017 at 14:57
6
Solved
In my application, when I press the home button the activity is going to onDestroy(). It suppose to be called onPause() method only right?
Why it is happening so?
Element asked 14/1, 2013 at 6:39
2
I'm creating a mailbox in angular. And I would need to save the draft message when the popup to send a message closes.
I know there are some alternatives:
scope.$on("$destroy", function () { save...
Lenhart asked 29/9, 2016 at 8:54
3
In my app, I use a service to communicate with our server. The Service spawns several message queue threads to deal with tasks with different priorities.
This model has been used for about one yea...
3
Solved
I'm developing an android app using bluetooth communication (using a propetary protocol) and I need to catch the moment when the app is killed.
I wanted to use the "onDestroy()" method but it isn'...
Munshi asked 13/7, 2012 at 15:45
1
Solved
In Angular 2 with Ahead-of-Time (AOT) compiling, I have a parent component and a child component, like this:
<div>
<h1>I am a parent</h1>
<myChild *ngIf="showChild"></...
Surprise asked 6/4, 2017 at 15:36
3
Solved
onDestroy() is not always called. If called, only part of the code is executed. And most of the time in LogCat I only see the message "gps state on destroy called first". Why is that?
protected vo...
3
Solved
Is it somehow possible in Angular2 to get notified BEFORE the component is already destroyed!? i.e. When it is ABOUT TO be destroyed.
I have a container component which holds a ViewContainerRef on...
1
Solved
is it possible to emit a custom event on ngOnDestroy ? I tried, but it seems like it does not work... I basically need to know when a Directive is removed from the UI.
@Output() rowInit = new Even...
3
Solved
I've modified the bluetooth chat example from the SDK demos to be able to control an arduino powered bluetooth LED matrix. Using the chat program, I can send messages to the display via bluetooth. ...
1
I am confused about super() function call in overriden functions.
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
}
@Override
protected void onPause...
Emmanuel asked 30/8, 2015 at 14:56
2
Solved
I've got an Android application which maintains state regarding distance traveled, time elapsed, etc. This state I can conveniently store in an object and store a reference to that object in the Bu...
Doolie asked 29/8, 2015 at 7:48
3
More concretely: Is it safe to place the canceling of a task in onDestroy? Also, is it safe to use onDestroy for unregistering receivers and freeing up resources?
My aim is to make sure that my ta...
Undersecretary asked 29/1, 2013 at 12:29
5
Solved
I thought I had this figured out, but after some debugging on this question: How to make notification uncancellable/unremovable I just realized my activity is still getting onCreated() and onDestro...
Venlo asked 3/6, 2013 at 13:35
1
Solved
According to the Android fragment lifecycle i would expect that after onDestroy the fragment will be recreated, or at least onCreateView is called again.
I have an Activity A starting another Acti...
4
Solved
When the back button is being pressed and the current activity is being popped, will onDestroy be called? It seems that it's not called for me
Calandra asked 15/11, 2011 at 21:5
3
Solved
Hi I am using the Application::onCreate to put my initialisation code of my app, but when waiting some time and starting other apps, I noticed the instance of the Application class gets created aga...
2
Solved
I am reading ListFragment source code and I see this implementation:
ListAdapter mAdapter;
ListView mList;
View mEmptyView;
TextView mStandardEmptyView;
View mProgressContainer;
View mListContaine...
Reactor asked 14/10, 2014 at 20:41
3
Solved
My application gets killed each time that it comes back from the screen-off-state. I fetch all the information that my app does, but I can't find out why it calls onDestroy. It's the first time I'm...
1 Next >
© 2022 - 2024 — McMap. All rights reserved.