Top "Lifecycle" questions

A sequence of events or system calls relevant to the creation, startup, inactivation, resuming, shutdown and destruction (cleanup) of some program or its component (activity, library, servlet).

Android activity life cycle - what are all these methods for?

What is the life cycle of an Android activity? Why are so many similar sounding methods (onCreate(), onStart(), onResume()) called …

android lifecycle oncreate onresume ondestroy
Looking to understand the iOS UIViewController lifecycle

Could you explain me the correct manner to manage the UIViewController lifecycle? In particular, I would like to know how …

ios uiviewcontroller xamarin.ios lifecycle
How to use lifecycle method getDerivedStateFromProps as opposed to componentWillReceiveProps

It looks like componentWillReceiveProps is going to be completely phased out in coming releases, in favor of a new lifecycle …

javascript reactjs lifecycle
How to retrieve the dimensions of a view?

I have a view made up of TableLayout, TableRow and TextView. I want it to look like a grid. I …

android layout android-widget lifecycle measure
onNewIntent() lifecycle and registered listeners

I'm using a singleTop Activity to receive intents from a search-dialog via onNewIntent(). What I noticed is that onPause() is …

android android-intent lifecycle
How to check if an activity is the last one in the activity stack for an application?

I want to know if user would return to the home screen if he exit the current activity.

android android-activity lifecycle
What is the Life Cycle of an iPhone application?

Can anyone explain what is the life cycle process of iPhone? i.e from the start to end of the …

ios lifecycle
Fragment lifecycle - which method is called upon show / hide?

I am using the following method to switch between Fragments (in my NavigationDrawer) by showing / hiding them. protected void showFragment(…

android android-fragments lifecycle fragmenttransaction
Is there any lifecycle hook like window.onbeforeunload in Angular2?

Is there any lifecycle hook like window.onbeforeunload in Angular2? I already googled and searched on stackoverflow, but found nothing

angular lifecycle
react lifecycle methods understanding

I am a newbie to React.js and I am trying hard to understand several methods in the React lifecycle …

javascript reactjs lifecycle