In Android 3.0, Fragment as an important component, was added in, this class in android.app.Fragment; , you can directly inherit fragment to create a fragment class,Of course fragment can also be compatible in the lower version, including a
Oracle's support strategy for its products is difficult for most people to figure out, for Oracle Database 11g support cycle, a lot of friends have raised objections, refer to some of the documents mentioned below, I hope to help you understand
Bean's life cycle
In many technologies, there is the concept of life cycle, such as the life cycle of activity, fragment, etc. in Android, with the life cycle of the servlet in the Web container. To be a high-level developer, you have to understand
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1. Small Computer System Shenyang
Review Cycle: four months (not fixed)
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Data managementFor read-only data, a common management pattern is to load the data in the OnCreate function until the component's Ondestory function is invoked. // 缓存只读的数据 private Object readOnlyData; @Override protected void
The generation of retain cycleSpeaking of retain cycle, the first thing to mention is the OBJECTIVE-C memory management mechanism.As a superset of the C language, Objective-c continues to manage memory manually in the C language, but differs from
The life cycle of a dead Fragment
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GitHub AddressRxlibrary Project:1.RXJAVA2 + retrofit2 Package, common request (get,post, file upload, file download), simple and convenient, support custom loading and other properties.The use of 2.RxBus is exactly the same as Evenbus.
Typically, there is no interaction between innovation and product conceptualization in software delivery. Nevertheless, with the increasing demand for new functionality for products and the shortening of the corresponding product lifecycle, even
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