Programmer Group

In ios7, there is a flat style control called SegmentedControl, which is divided into rows with several buttons separated by simple lines. Only one button can be selected per click. It is similar to tabbar but slightly different. This control is used by new qq mobile client. However, there are no ready-made controls available in android, but th ...

entrance The first part summarizes the life cycle management of Glide by using fm and an empty Fragment. Here we continue to see load & into. Don't talk about it // The first part analyzes with and continues to see load & into Glide.with(this).load("url").into(...); 1.1 load public RequestBuilder<Drawa ...

Official website address: https://cn.vuejs.org/v2/guide/render-function.html Usage scenario of slot: if you want to add a paragraph of html or text inside the defined component, for example <my-button> <p>Hello world</p> </my-button> In this case, you can use slot to display the inserted html code in the slot positi ...

MVVM concept MVVM represents Model-View-ViewModel. Model: Model layer, responsible for handling business logic and interacting with the server side View: View layer: responsible for converting data models into UI displays, which can be easily understood as HTML pages ViewModel: The View Model layer that connects Models to Views and ser ...

brief introduction Lifecycle is one of Google's recommended architecture components Lifecycle aware components can perform actions in response to changes in the lifecycle state of another component, such as Activity and Fragment. These components help you write more organized and often streamlined code that is easier to maintain. By using life ...

In the development of wechat applets, the tabs are generally fragment in android, which makes you feel confused when it comes to the applets Finally, it's done. Share it and have a look First look at the effect: Add the code: 1.index.wxml <!--index.wxml-->   <view class="swiper-tab">       <vie ...

I believe that many developers will not be unfamiliar with android memory leakage. In terms of optimizing performance, memory leakage, especially in large projects, is often difficult to locate due to the collaborative development of multiple people. Here is an open source tool, LeakCanary, from square company, which can help you to monitor me ...

Sliding tab bar is very common in App. I tried to implement one by myself in the past. Using HorizontalScrollView and ViewPager, now TabLayout is much more convenient. First, the effect map and UI are slightly ugly. Don't mind ha ~ PS: there is a source code link at the bottom design sketch No nonsense, just code! ...

1. Prerequisite preparation Today, I reviewed the joint use of TabLayout and ViewPager, and wrote a demo to deepen my understanding. First, make sure that TabLayout is under design, not under the original widget of the system. So first, add the following reference to the dependencies closure of build.gradle under app: ...

After reading this article, you should learn how to show the photo wall and save the pictures to the local place. design sketch: The last one is about: The realization of Zhihu daily Knowledge points of this article include: Okhttp, Picasso, CardView, dynamic request permission, create file, folder, save picture. Layout first: Material ...