callback interface

When the child thread (new thread) needs to modify the UI: the role of both is to throw the action of your child thread onto the UI thread! view.post (Runnable) view.postdelayed (Runnable, Long) activity.runonuithread (Runnable) Create

Definition on Wikipedia: In computer programming, a callback function, or callback, refers to a piece of executable code that passes through a function parameter to another code. This design allows the underlying code to invoke subroutines defined

Reprint Please specify source: http://blog.csdn.net/lskshz/article/details/25364909. IntroductionHandlerthread inherits from thread, and when the thread is turned on, that is, when it runs, the Run methodThe thread creates a looper with a message

1. The callback for the asynchronous network request updates the UI, but does not determine whether the interface exists and causes the null pointer to CRASH2. Memory leaks caused by callback in handler 3. Static objects save a memory leak caused by

Dynamic proxy in design mode and design mode proxyI. Dynamic proxy Concept Dynamic proxy can be divided into JDK dynamic proxy and cglib dynamic proxy. Jdk dynamic proxy is implemented by the Java internal reflection mechanism, while cglib dynamic

Android development tips-use PopupWindow to implement the pop-up menu In this article, I will share with you a class that encapsulates PopupWindow to implement the pop-up menu and describe its implementation and use. Because of the interface

Post please indicate this article from xiaanming blog (http://blog.csdn.net/xiaanming/article/details/17539199), please respect others' hard work results, thank you! In my previous article, Android showed you how to parse Scroller's rolling

Hibernate learning 0. Hibernate getting started, photoshop7.0 getting startedWhat is Hibernate? Object/Relational Database ing tool for java environment. 1. Open-source persistent layer framework. 2. The ORM (Object/Relational Mapping) ing tool

Java transaction learning notes (9)-in-depth analysis of JTA principles and implementationThrough the study of java transactions in this series, I have a preliminary understanding of the concept of transactions. However, with the rapid development

Galhttprequest is a lightweight HTTP network request and caching framework on an Android platform.The current galhttprequest supports the following features: Synchronous request Stirng, InputStream, Bitmap; Asynchronous request

People who believe in mobile apps are familiar with the slide menu bar, dropdown, bounce, bounce, and more, and almost every major mobile app, whether iOS or Android, can be seen. 2.3 ago, a lot of third parties such as Slidingmenu, Menudrawer,

Android menu analysis 02 (ContextMenu) In the previous articleAndroid menu Analysis 01 (OptionsMenu)This section introduces the use of OptionsMenu.ContextMenu. ContextMenuContext menu for short. Two response modes are available through long-pressed

Sometimes the APP we write needs to save data before pressing the HOME Key to return to the desktop, which involves monitoring the HOME event, the following describes how to use the broadcast listening HOME Event code and code. (PS: This code is

ANDROID simulates the sliding jet effect of spark particles and android spark Reprint please indicate this article from the blog of the big glutinous rice (http://blog.csdn.net/a396901990), thank you for your support! Opening nonsense: I changed

In general Android business development, services are very common. The business logic of a slightly complex point requires Serivice to notify the Activity after performing some time-consuming operations. Summarize the three common

Android development: Android device sensor Development Summary, android Sensor In this article, I will share with you how to develop Android device sensors. Please indicate the author xiong_it and link: http://blog.csdn.net/xiong_it/article/details/4

Open-source Android-PullToRefresh pull-down refresh source code analysis, androidpulltorefresh The PullToRefresh library is used at most. github mainly analyzes the source code implementation today. We use the drop-down refresh of ListView for

Android imitates ViewpagerIndicator of Sohu news I haven't written a blog for a long time. Today, I have nothing to worry about. For example, we will imitate the title of Sohu news today, first.     1. Next, let's analyze this effect. The following

Custom components ------ EditText with deletion function, ------ edittext In the past, FrameLayout was often used to add the icon on the left and a delete button on the Right of EditText. In this case, code reuse is poor and maintenance is also

Transfer from 1190000006079389?from=groupmessage&isappinstalled=0 IntroductionSpeaking of coroutine, Many people will think of Go,lua,erlang and other languages, in fact, there are quite a number of JVM implementations, such as