application life cycle

The road long its repair far XI, I will go up and down and quest. ---qu Yuan "li Sao" Many people may feel the activity is very simple, but after six months of Android development, I found that my understanding of the activity is relatively superficial, In fact, the activity is not as simple as we thought. It took an afternoon to learn the life cycle of activity and to prepare for a quick review after forg

The state that the application (or activity) executes is called a process (progress). In the Android operating system, each application is a process. The Android framework maintains a unique activity history stack and observes each application process. At the same time, the system platform will manage the system memory according to the system's memory usage and a

In the blog that introduces the four main objects, you can basically understand the process of program initiation:Main-->uiapplicationmain--> Create instances of UIApplication and app proxy appdelegate and set up proxy---> After the program starts, that is, after the splash screen is displayed, Appdelegate Create UIWindow (can be created automatically, or can be created manually)The question now is how to create a controller and set it as the root controller for UIWindow, and then load the view

Original address: Http://www.codeproject.com/KB/aspnet/lifecycle.aspx Author: Vivek Thakur Introduced Understanding the life cycle of the page (lifecycle) is important for developing asp.net applications. Many. NET beginners have issues such as losing value after postback and losing status when handling dynamically loaded controls. The HTTP protocol is stateless, which is a natural problem with Web progr

Boolean Oncreateoptionsmenu(Menu menu) {//inflate the menu; This adds items to the action bar if it is present.Getmenuinflater (). Inflate (R.menu.main, menu);return true; }}2. Launch apk, view log, output sequence Oncreate->onstart->onresume3, in our mobile phone keys have 2 exit button, one is home, one is the return button.4, we click the Home button (small house), output order Onpause->onstop5, then we go into the application, we can look at the

The life cycle of a Java objectIn Java, the life cycle of an object consists of the following stages:1. Creation phase (Created)2. Application phase (in use)3. Invisible Stage (Invisible)4. Non-reach stage (unreachable)5. Collection phase (collected)6. Finalization phase (fi

The life cycle of a Java objectIn Java, the life cycle of an object consists of the following stages:1. Creation phase (Created)2. Application phase (in use)3. Invisible Stage (Invisible)4. Non-reach stage (unreachable)5. Collection phase (collected)6. Finalization phase (fi

be directly to give white damask three feet (users directly end the current application process), there may be hit to limbo (become translucent, the user can see, but can not operate, For example, when the user pulls down the status bar, the translucent status bar or vaguely see the activity of the interface, more OnCreate (), often rewritten, such as the user is watching the video, the girlfriend to the phone, we have to help him save his play progr

I. URL routing1.1 Comparison to HTTP requests via browserWhen a client makes a request to an ASP. NET Web site, it can find the appropriate HttpHandler to handle the Web page through R even Tony Lid, the approximate processIf HttpHandler is handled by Mvchandler, then it enters the MVC execution life cycle, finds the appropriate controller and action to process it, and feeds the information back to the clie

For ASP. NET MVC, I'm still interested in its life cycle, so I ask two questions: when an HTTP request is being handed over from IIS to the ASP. ASP, when was the time when net MVC gained control and processed the request ? What is the processing process ? Taking the ASP . NET application life

The difference between request and session request introductionThe request range is smaller, but only one.The life cycle of the request object is a request for a client (say the exact point is a browser application), and when the request is complete, the content inside the request will be freed.Simply put is one of your actions on the page, Request.getparameter (

What is activitySimply put, activity is the interactive interface that fills the window or hovers over other windows, which is what is displayed on the phone screen.In an application that typically consists of multiple activity, a master activity is specified in the manifest.xml. The two lines of code in Intent-filter are important to indicate that the activity is the primary activity.This activity is visible when the program is first run, and the act

Manage the life cycle of your activityWhen the user browses, leaves and returns to the instance of your app,activity in different states of its life cycle to convert. For example: When your application first starts, it comes to the highlighted position in the system and rece

frame (responds to ping frames). The data frame defines the kind of websocket transmission that carries the application data. Data frames are divided into two categories: text and binary (for example, image data).Second, WebSocket life cycleThe first event of all Java WebSocket endpoint lifecycles is an open notification, which indicates that a connection to the other end of the WebSocket session has been

Because, has been to asp.net in the life cycle of the problem of confusion, so specifically to learn the next life cycle. Life cycle I think the main can be divided into several stages, according to the chronological order of occu