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From here Preface Custom View principles are the foundation Android developers must understand. Before you can learn about custom View s, you need to have a certain knowledge base; This article will provide a comprehensive overview of all the knowledge bases in Custom View. 1. Classification of Views ViewViewViews are divided into two m ...

http://blog.csdn.net/johnny901114/article/details/52662376  I. Overview JakeWharton I want to be in Android No one knows, no one knows. ButterKnife This framework is from his own hands. This framework I believe many people have used, this series of blogs is to bring you a deeper understanding of the framework, ButterKnife has so far ...

The main functions of serialization are: 1: Permanently save the object, save the byte sequence of the object to the local file; 2: Transfer objects through serialized objects in the network; 3: Transfer objects between processes through serialization. 2. There are two kinds of serialization in Android: Serializable and arcelable. 1: Seria ...

Preface Android often implements timing services, pushing messages or updating data at a certain time. Generally, we may open the service, use Alarm Manager and setRepeating timing requests in Service, but since API 19, it can not guarantee the accuracy of the timeliness. After 5.0, Google launched a JobService to execute some background proc ...

I believe that many android developers will encounter ScrollView nested ListView in the previous development, ListView will only display one, when the development, only to find out how to solve the problem online, not to find out why only one, recently when looking at a Daniel's information, listen to him to know the reason, so record here; S ...

Technology is something that needs to be accumulated over time, learning a little new things every day, and reviewing the old things. Only in this way, if you persist for a period of time, your ability can be improved. It is not that you check when you use it, but that you pay more attention to discovering new things to study and discovering wh ...

Event Distribution Mechanism of Android Custom View (I) Say what I said before. In the development, we write a custom control, an inescapable topic is event distribution. And this is also the most common interview question in an interview, but I found that many interviewers even answer this question vaguely. Not knowing why it is so. ...

First, Timer TimerTask Reference resources Timer in Java and TimerTask in Android In development, we sometimes have the need to perform a task at regular intervals. For example, controls on the UI need to change over time, and we can use Java's timer toolkit, timer and TimerTask. Timer is a common class, which has several import ...

1. Introduction to Butter Knife Butter Knife is an open source dependency injection framework that primarily serves as a syntax sugar effect, such as Button button = (Button) findViewById(R.id.button);, which can be simplified to @BindView(R.id.button) Button button;. Here Obviously, you can see that this is done with annotations. As to whether ...

Recently, the step counting module was studied in the project. It began to record the steps of the day at 0 o'clock every day, which is similar to the Wechat movement. Many pits have been encountered. Today, I have time to sort them out for you to see.Before doing this, we searched google, baidu, github and found no good ones. Most of them need ...