Programming VIP

I. analysis requirements If your girlfriend sends you a bunch of pictures of clothes, and then asks you which one looks good, you can only choose the one that looks best, what would you do? Why not leave it up to the process to make a choice? The theme of this article is to develop a selection program to solve your girlfriend's selection proble ...

The project needs to be developed using jni. The computer hasn't been installed before. Now let's start from scratch. 1. Install NDK and Make, Ctrl+Alt+S in Android Studio interface into settings interface, select CMake and NDK, click Apply, and it will be installed automatically.   2. Create a ...

If you need to reproduce, please indicate the source: Flutter Learning Notes (29) -- How Flutter Communicates with native Foreword: When we develop Flutter project, we will inevitably encounter the need to call native api or other situations. At this time, we need to deal with the communication problem between Flutter and native. There are thr ...

demand Adaptive size text: Design sketch: In project development, developers lay out some pages with text according to a set of sizes provided by UI personnel. Often less consideration will be given to some data limits, resulting in the problem of screen adaptation. For example: Text (or numeric) length is variable, such as experience value, nu ...

Today, let's talk about the use of broadcasting. Broadcasting is also used to disseminate messages within app. There are both senders and receivers of broadcasting. See the code specifically to illustrate the use of broadcasting. 1. Broadcasting Write a page to send broadcasts, and see the comment ...

In the first part of the article, OnKeyDown is rewritten in MainActivity, and the volume key is printed and printed. Of course, the physical buttons and virtual keys (volume keys, return keys, menu keys, etc.) can be captured by this button event.   However, the keys are rewritten in MainActivity, and the method performed when the volume key ...

Project introduction Creation time: October 4, 2019 16:30:09 Functions: Android remote service production and test run, AIDL service. Introduction to development environment: Android API = 29, Android 10, and Android Studio Make complaints More than N articles were searched online, either for a long time or for different operations of IDE de ...

Recently, a function of the company's screen recording project is required. It has a function of suspending windows. If you click the suspension window button, you can directly record the screen. The demand is very simple. But if you encounter a very painful problem, you must use startActivityForResult ...

In Python, serialization can be understood as: converting Python's object code into json string, and anti serialization can be interpreted as decoding the json format string into Python data object. In the standard library of python, json library and pickle library are provided to deal with this part ...

Socket plays a very important role in Android network programming. Basic Concept of Socket Socket is the middle software abstraction layer of communication between application layer and TCP/IP protocol family, which is represented as a programming interface (API) encapsulating TCP/IP protocol family. From the point of view of design pattern, ...