Programmer Group

The first time I came into contact with Flutter was on mooc.com. I saw Flutter in Android course. At that time, I thought what kind of grammar it was, and I could write mobile terminal. Later, I saw the introduction of nuggets and knew that saltfish was developed with Flutter. I felt it was very powerful. I found this ...

General methodAll those who have done the front-end work should have submitted the form. Take text input as an example, the general TextField component is provided in flutter TextField( decoration: InputDecoration(labelText: 'Product name'), onChanged: (String value) { setState(() { _name = value; }); ...

DNS in Binder process communication ----- servicemanager Just as "DNS" in the Internet needs to be ready before browsing all kinds of web pages, so service manager needs to be in a normal state before someone uses Binder. Next, we briefly introduce service manager. 1. When to start Since someone needs to be ready befo ...

Recently, we are working on a wechat enterprise project. One of the requirements is to play video on the enterprise page. At the beginning, we used the video tag to load the video address directly. As a result, it can play normally in android phones, but not in ios phones. In ios, the symptom is that the video is always loaded, but it can't be ...

Preface Why summarize the use of generics? How does generics represent value in a project? Don't talk about it. Summarize it. From practice to theory, finally return to generic nature. 1. What is generics? Why generics? Definition: Generics: the "broad data type", any data type. Effect: Generics can solve the security problem of data ...

Today's X Github: https://github.com/shuiRong/T... (today's X) This is a boring App written by FlutterRecommend a different one every day: picture, poem, famous saying, music, music review, advanced mathematics, two kinds of color matching, chemical equation, Github Repo, Zhihu problem. (P.S. except that the picture is from Bing homepage, only ...

Welcome to reprint, but please keep the original source of the article:) Blog Park: http://www.cnblogs.com Uncle farmer: http://over140.cnblogs.com 1. Accurately obtain screen size (for example: 3.5, 4.0, 5.0 inch screen) public static double getScreenPhysicalSize(Activity ctx) { DisplayMetrics dm = new DisplayMetrics() ...

Many friends' APP promotion links need to be publicized, propagated, downloaded and so on in wechat, but you must have found that the download links of APP are blocked in wechat. But wechat is the biggest social platform. For its own benefit, it blocks all APK download links. How can we solve this problem? Solution: Based on wechat interface, ...

outline Once a year, double 11 is here again. Let's have a party. Taobao needs all kinds of check-in, shopping and collecting meow coins. One shop needs 15S, and after receiving all meow coins, they will be gone in at least ten to twenty minutes. As a programmer, it's time to free your hands. 1. Technical background 1.1,AutoJs GitHub: https:// ...

To develop android mobile client, you often need to upload files to the server, such as: photos in your mobile phone. Using okhttp would be a good choice. It is easy to use and efficient to run. First, add implementation 'com. Square up. Okhttp3: okhttp: 3.8.1' in the dependencies of app/build.gradle. You can refer to the following ...