Programmer Think

Author: Yangzhou This article mainly introduces some new (xin) Suan (lei) in Alipay Android end embrace AndroidX process. What are the differences / difficulties of upgrading Alipay to AndroidX?How is the Migrate AndroidX of Android Studio implemented?How does APK product fit Android x? background Since Android Support was "revoluti ...

During the interview with iqiyi yesterday, the interviewer mentioned the use of static Handler. In fact, I didn't think of this method in the project. So here's another summary of the methods to prevent Handler memory leakage? 1. Why does handler cause memory leakage? This needs to start with the principle of message mechanism. Because the ...

Hello, I'm brother Manon Feige. Thank you for reading this article. Welcome to one click three times. Highlights of this article: details the creation of an Activity and how to pass parameters and receive return parameters Android series articles are in the Android column. You are welcome to pay attention to them. Previous review ❤️ [An ...

Introduction: when you open the wechat home page, but there are a lot of news, can you slide down or up? Then how does the function be realized? In fact, most of them use ListView or RecyclerView Topic: basic usage and differences between ListView and RecyclerView 1, The basic usage of ListView, 1. Add ListView control in the required layout ...

catalogue Singleton mode definition: Core principle of singleton mode: What should be paid attention to when using singleton mode Single case of hungry man Lazy single case DCL single case (Double Check Lock) Static internal class singleton (recommended) Enumeration singleton Container single example last How to ensure thread safet ...

1. Introduction to eventbus EventBus is a publish / subscribe event bus framework used in Android development. Based on the observer mode, it separates the receiver and sender of events, simplifies the communication between components, especially the communication between fragments, and can avoid many inconveniences caused by broadcast communi ...

Do not rely on the side effects of executing composable functions, as reorganization of functions may be skipped. If you do this, users may encounter strange and unpredictable behavior in your application. Side effects are any changes that are visible to the rest of the application. For example, the following operations are all dangerous side e ...

brief introduction OKHttp3 is a java and Android network SDK that supports http1 and http2 network protocols. OKHttp relies on OKIO. component 1,OKHttpClient The OKHttpClient class combines multiple objects, implements the Call.Factory interface, provides a newCall method, and returns realcall (the specific implementation class of call). It ...

Common controls Last time, we talked about layout: linear layout, table layout, frame layout and relative layout. This layout is the way to design a framework of content on the whole mobile terminal, and how to design the interface. Finally, in the interface, controls are placed. The so-called controls are components that programmers can contr ...

overview: 1. Package the uni app into apk or wgt files, and use the plus.runtime.getProperty method to obtain the version number of local application resources. 2. Call the back-end interface, get the version number specified by the back-end and compare it with the version number obtained earlier. If it is inconsistent (you can also judge whet ...