Programmer Think

This article is also published in my WeChat official account. It can scan the two-dimensional code at the bottom of the article or search for Guo Lin in WeChat. Today, I don't want to talk about some new features and features of Android. I especially want to talk about this old topic: layoutinflator. Now most of my articles are old Android. ...

A rich interface consists of many controls, so how can we make each control orderly placed on the interface instead of messy, which needs to be realized with the help of layout LinearLayout LinearLayout, also known as linear layout, is a very common layout android:orientation arrangement Arranged in vertical order <LinearLayo ...

About the author: CSDN blog expert, Huawei cloud sharing expert certification Series column: Kotlin beginner Learning and communication: three people must have my teacher; Choose the good and follow it, and change the bad. catalogue function Function header Function parameters Unit function Nothing type Function name in backquotes ...

preface This article is based on the PineAppRtc project github.com/thfhongfeng... In webrtc, the recording and playing of audio are encapsulated inside. Generally, we don't need to pay attention to it. We can use it directly. But recently, there is a requirement to transmit our own data, so we need to expose these interfaces for use. So we n ...

Kotlin files and classes do not have a one-to-one relationship Symbiont inherit Modifier Null pointer problem text Key and difficult points Synergetic process I've thought about it for a long time. There are a lot of contents on the official website, including basic knowledge, concepts, basic usage, stream operation, channel, excepti ...

Recommended by Haowen: Author: riane Let's analyze in detail what our fingers have experienced from touching various views on the screen to the end of this click event. Event type There are three types of touch events: int action = MotionEventCompat.getActionMasked(event); switch(action) { case MotionEvent.ACTION_DOWN: ...

Agents can help you delegate tasks to other objects, resulting in better code reusability Our previous article Learn more. Kotlin not only allows you to easily implement agents through the by keyword, but also provides built-in agents such as lazy(), observable(), vetoable(), and notNull() in the standard library. Next, let's begin to underst ...

Android officials recommend using concurrency to deal with asynchronous problems.Characteristics of collaborative process:Lightweight: multiple coroutines can be run on a single thread. The process supports suspension, which will not block the thread running the process. Suspending saves memory than blocking and supports multiple parallel opera ...

preface In the previous article, we mainly explained the knowledge points corresponding to Kotlin string, number type and standard library function. In this article, we will explain the knowledge points related to Kotlin set. 1. List set 1.1 read only set val list = listOf("json", "jack", "jacky") fun main{ //Read only list; Cannot writ ...

Note: the coding tool is IntelliJ catalogue Interface Example Define variables Example Variable defaults abstract class Example Implementation interface generic paradigm Generic class Generic Functions Generic implementation of custom map transformation Joint generic function implementation of generic classes Generic function im ...