Programmer Group

Analysis of Picasso Source Code When I first came into contact with Android a few years ago, it was more difficult to load and display pictures. Although it was not difficult, you had to care about the network, caching, traffic, memory leaks, etc. At this time, Picasso appeared with an artistic name, which suddenly made me realize the im ...

Introduction of Network Library 1.HttpURLConnection API is simple and small, so it is very suitable for Android projects, but there are some bug s in android 2.2 and below version HttpUrlConnection, so it is recommended to use HttpUrlConnection after android 2.3, and HttpClient before that. 2.HttpClient (Apache ) Efficient and stable, but costl ...

HTTPS principle Let's first look at the definition, an introduction from wikipedia: HTTPS (also called HTTP over Transport Layer Security (TLS), HTTP over SSL, and HTTP Secure) is a communications protocol for secure communication over a computer network which is widely used on the Internet. HTTPS consists of communication over Hypertext Tran ...

OkHttp Knowledge Carding Series OkHttp Knowledge Carding (1) - Introduction to OkHttp Source ParsingOkHttp Knowledge Carding (2) - Asynchronous Request for Source Parsing of OkHttp-Thread Scheduling I. Preface stay OkHttp Knowledge Carding (1) - Introduction to OkHttp Source Parsing In this paper, we will study the internal implementation prin ...

1. First let's create the download location - create the file based on the url. /** * <p>Title: FlieStorageManager</p > * <p>Description: TODO</p > * <p>Company: ihaveu</p > * * @author MaWei * @date 2018/2/5 */ public class FlieStorageManager { public static FlieStorageManager sManager = new ...

Article directory Preface Environmental configuration Observable Simple Subscription and Observation Interthreaded switching Complete life cycle exception handling Observable Management Simple example RXJava in conjunction with Retrofit Define Retrofit interface class Initialize the Retrofit class Simple network requests O ...

Preface The source code of Retrofit has been learning for some time, and has recently been doubled, and then summarized. It uses many design patterns, including factory mode, agent mode, adapter mode and so on. Create method mRetorfit.create(Service.clss) The return statement of the create method is as follows: ...

Network optimization is a very important part of all app development. If the network request is pre-loaded before clicking on jump activity, the speed will be improved qualitatively. That is, the network preload frame. Network preload framework, listening network preload framework - Network preload, network preload the framework.- pre-network ...

Preface HTTP is our modern application network for exchanging data and media streams. Effective use of HTTP can save bandwidth and load data faster. Square's open source OkHttp network request is an efficient HTTP client. Previous knowledge is limited to the use of framework API. After touching the actual work, I know my lack of knowledge. So ...

A download tool based on RxJava to support multi-threading and breakpoint continuation Project address RxDownload Main functions: Use Retrofit+OKHTTP for network requests Build on RxJava to support chain invocation of various RxJava operators Continuous transmission of breakpoints, according to the response value of the server to ...