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1. Preface The proposed implementation effect part is the song list part in the figure below, that is, the part framed by the red line in the figure. In order to facilitate the implementation of RecyclerView here, for the square picture display control required in the figure, we will consider using a custom ImageView. 2. Basic environmen ...

Why did you write this article The reason why I wrote this article on modifying the transparent background of the source code of marriage and dating is because I changed the official plug-in WebView of fluent_ flutter. Flutter's official plug-ins are all in one gitHub warehouse The databases maintained on the are related to each other. [see f ...

Article structure: Branch statement (if, when)Circular statements (for, while)Jump statements (break, continue, return, label, throw) Branch statement (if, when) if expression In kotlin, if is an expression that returns a value The if branch can be a code block, and the last expression is the value of the block (the return value of the la ...

preface In the last article, I mainly explored Kotlin and found that it is obviously different from Java. In this article, we will focus on the Null and exception corresponding to Kotlin. 1. Null type As shown in the figure When we define variables, if we do not assign initial values, the compiler will directly prompt syntax errors! When ...

Android animation and overview mainly covers the following contents: Animation and transition (I). Overview and use of view animation Animation and transition (II). Advanced view Animation: extend the definition of animation Animation and transition (III), interpolator and estimator overview and use Animation and transition (IV). Use Layout ...

The source code of this article is okhttp: version 4.9.0. implementation("com.squareup.okhttp3:okhttp:4.9.0") GitHub address Basic Usage After creating the request Request, you need to create a RealCall object using the newCall() method of OkHttpClient, then call execute() to initiate synchronous requests or call enqueue() to initiate asy ...

Author: Petterp introduction The official version of JetPack Compose has been released for several months. During this period, in addition to business-related requirements, I also started the landing experiment of Compose in the actual project, because once I want to access the current project, the problems encountered are actually far grea ...

Responsible for the company's basic data scanning and collection The availability of this part to the system is basically 100% Therefore, many highly available schemes have been made Pre preparation Before implementing the high availability of APP, we need to prepare: 1. Multiple downgrades of core domain names [one active and multiple sta ...

kotlin - classes and objects Properties of class Class attribute is actually used to save the state data of the class object. If no modifier is written in kotlin, the access permission of this attribute is public by default. Class does not require us to write setter and getter methods, except when customization is required. class Person { ...

It is strongly recommended to read: Responsibility chain model okhttp basic usage and summary (todo:) Description of interceptors on the official website (explain the use and difference between ordinary interceptor and network interceptor) Interceptor introduction As can be seen from the figure below, the core of okhttp is around interceptors. ...