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Continue with the card design from the previous blog, and we'll continue from WeChat To find some clues, let's start by looking at an interface that is the default public number in WeChat, mainly to publish the latest developments on Tencent News. As we can see, it uses a card layout similar to the one we used in the previous article.So, let' ...

Optimistic Lock Introduction: Optimistic Locking is a relative pessimistic lock. Optimistic Locking assumes that data will not conflict in general. Therefore, when data is submitted and updated, it will formally detect the conflict of data. If conflict is found, it will let the user return the wrong information and let the user decide. What to ...

Background Just knowing spring, it gives me the feeling that the encapsulated tool class will make our development easier, more energy will be put on business logic, of course, some excellent ideas of spring, what control inversion, face-to-face and so on. I don't know exactly how it works. Later, slowly understand.. try to build a spring fram ...

First, show the results of the project operation: The initial login interface: (1) Choose to remember the password: Click login to jump to Activity 02 page: (2) When logged in again: Cancel remembering passwords: Click login and jump to Activity 02 page. When you open the project again, it will return to the state of empty initial ac ...

After several days of tossing and turning, this App has basically been completed. Part of it is a custom SwitchBar. I have seen many other people's solutions online. They are all based on the system's own SwitchBar. They just modify some background image resources or something. The effect is not very ideal. The following is my solution. First p ...

Basically, each application will have its own Application, which inherits from the Application class of the system, and then encapsulates some common operations in its own Application class. In fact, this is not a recommended practice for Google, because we just use Application as a general tool class, and in fact use a simple singleton class c ...

When we use mybatis, we write sql statements in xml. For example, this dynamic sql code: <update id="update" parameterType="org.format.dynamicproxy.mybatis.bean.User"> UPDATE users <trim prefix="SET" prefixOverrides=","> <if test="name != null and name != ''"> name = #{name} </if&gt ...

Android We are provided with a large number of View controls, but this is still far from meeting our requirements. Sometimes the form of control needed for development does not exist in the control provided by Android, which requires us to define one ourselves. So how to customize controls?   To learn about custom controls, you first ne ...

Original address: http://blog.csdn.net/liuhe688/article/details/6852523 be familiar with Android As you all know, no matter the micro-blog client or the news client, it can not be separated from the list component. It can be said that the list component is the most important component in Android data presentation. Today we will talk abou ...

Spring IO Platform Spring IO Platform solves the problem of version compatibility between Spring Framework and the introduction of third-party libraries, which configures most commonly used java class libraries. To use Spring IO Platform, simply add: &lt;dependencyManagement&gt; &lt;dependencies&gt; &lt;dependenc ...