iOS analysis of Uiviewcontroller life cycle and attribute methods I. INTRODUCTIONAs an MVC design model, C,controller has been playing the most important role in project development, which is a bridge between view and data, which is managed to show the data in our view layer. Uiviewcontroller in iOS is one of the most basic classes in the Uikit framework. From the first UI view to the complex complete proje
Like activities, fragmentation has its own life cycle, and it is so much like the life cycle of the activity that I believe you will soon learn, and we'll look at it in a moment.4.3.1 Fragmentation Status and callbacksRemember what states each activity might have in its life
After 2 years of PHP, only know the outside, do not know its, not its meaning;
start of everything: SAPI interface
SAPI (server application programming Interface) refers to the specific application programming interface of PHP, PHP scripts to be executed in a number of ways, such as: Through the Web server, command line, can also be embedded in other programs Usually we use a Web server like Apache or Nginx to test a PHP script, or to execute a script at the command line, after the script
As the most popular and powerful lightweight framework in Java, Spring is warmly welcomed by programmers. It is necessary to have an accurate understanding of the spring Bean's life cycle. We usually use ApplicationContext as the spring container. Here, we are talking about the life cycle of the bean in ApplicationCont
?? In the previous article, we mainly analyzed the life cycle of activity and its methods, this article mainly deals with the life cycle under the abnormal circumstance of activity.Activity Abnormal life cycle?? The abnormal
As the most popular and powerful lightweight framework in Java, Spring is warmly welcomed by programmers. It is necessary to have an accurate understanding of the spring Bean's life cycle. We usually use ApplicationContext as the spring container. Here, we are talking about the life cycle of the bean in ApplicationCont
The Android system calls the corresponding callback function to execute the code according to the different stages of the life cycle. The system has an ordered set of callback functions to start and destroy an activity. This section discusses what to do and what not to do in the callback functions for different life cycles.Understanding the callback of the
Overview of the ASP. NET application life cycle for IIS 7.0Updated: November 2007This topic describes the application life cycle of an ASP. NET application that runs in Integrated mode in IIS 7 and that runs with IIS 7.0 or later versions. IIS 7.0 also supports Classic mode, which behaves like an ASP. For more informat
The life cycle of the Vue instance is the process of this instance from birth to death, so I'm roughly dividing this cycle into the creation process in the original document | Running Process | Three stages of the destruction process, different results or some small phasesIn the first stage, the creation phase completes the creation of an instance of the Vue obje
through the previous section, "Android series tutorial directory structure for Android projects "We already know what activity is, so why do we have to overwrite the activity's OnCreate method when we create an activity's export class, why it's in OnPause () method to save some changes in the current activity, to understand that it is necessary to understand the activity of the life cycle, that is, an activ
Before writing this blog post, have a certain understanding and understanding of Android. This blog post focuses on the life cycle of Android activity, which is what Android developers need to know. Android's activity component has 7 lifecycles: OnCreate (), OnStart (), Onresume (), OnPause (), OnStop (), Ondestory (), Onrestart ().These 7 lifecycles are called at 4 specific stages, respectively.Start activ
a single activity, and can be reused across multiple activity. Fragment can be thought of as a module component of activity that has its own lifecycle, receives its own input events, and can be added or deleted while the activity is running.1. Fragment must be embedded in an activity to be able to useFragment must be embedded in an activity to be used, and the life cycle of the fragment is directly affecte
Maven life cycle and pluginsLife cycle:A series of stages in the construction processMaven has three life cycles:The 1.clean,clean life cycle consists of the following stages1.1.pre-clean1.2.clean1.3.post-cleanThe 2.default,default life
Life cycle of Android serviceManaging the Lifecycle of a ServiceThe life cycle of a service, from the time it is created, to the time it is destroyed, can have two different paths:A started serviceThe service that is opened is created by calling StartService () from another component.This service can run indefinitely,
script executes, except that the command line response is displayed on the terminal.The start of the script execution begins with the SAPI interface implementation. Just different SAPI interface implementations will accomplish their specific work, such as Apache's mod_php SAPI implementations need to initialize some information obtained from Apache, the output content is to return the content to Apache, other SAPI implementations are similar.Some of the common SAPI implementations are described
Learning--php life cycle of PHP kernel
Start of everything: SAPI interface
SAPI (Server application programming Interface) refers to a specific application of PHP programming interface, just like a PC, no matter what operating system installed, as long as the interface specification of the PC can be run on the PC, PHP scripts can be executed in a number of ways, either through a Web server or directly unde
script executes, except that the command line response is displayed on the terminal.The start of the script execution begins with the SAPI interface implementation. Just different SAPI interface implementations will accomplish their specific work, such as Apache's mod_php SAPI implementations need to initialize some information obtained from Apache, the output content is to return the content to Apache, other SAPI implementations are similar.Some of the common SAPI implementations are described
The son said: "Wen so know new, can be teacher." In the theory of language Learning technology is also the same, for technical documents or classic technical books, expect to see the full mastery of, it is not very likely, so we need to go back and read a few times carefully to understand the essence of the author's thoughts. Recently reviewed the life cycle of the activity, see the relevant books and offic
Confucius: The new is known by Wen. It can serve as a teacher. AnalectsThe same learning skills. For the technical documents or books of the classic technology, look forward to see it fully mastered, which is basically impossible, so we often come back several times, and then carefully study, in order to understand the essence of the author's thoughts.Recently, he thought about the activity life cycle and t
There are four states of Activity
Active or running state, at which time the activity runs at the front of the screen
Paused, at which time the activity loses focus but remains visible to the user (e.g., this activity obscures a transparent or non-full-screen activity)
Stop state, when activity is completely covered or gone
The activity is cleared out of memory by the system at the end of the state.
The life
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