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Android platform Overlay mechanism Chinese WORD version

This document mainly talks about the Android platform Overlay mechanism; the Android overlay mechanism allows you to customize the resource files in the framework and package without modifying the apk in the package to achieve resource customization. To achieve the purpose of displaying different UI (such as MIUI). I hope this document will help friends in need; interested friends can come and take a look.

2024-02-28 0 838
Analysis of Android application message processing mechanism Chinese WORD version

Android applications are driven by messages. The system maintains a message queue for each application. The main thread of the application continuously obtains messages from this message queue (Looper), and then processes these messages (Handler). , In this way, the execution of the application is driven by messages. This article will analyze the message processing mechanism of Android applications in detail. Friends in need can download and take a look

2024-02-28 0 1091
Discuz plug-in production tutorial [Getting Started + Mastery + Practical] Chinese WORD version

Plug-in mechanism Discuz! has a complete plug-in mechanism. By rationally using the plug-in mechanism, you can better integrate your individual functional requirements into the Discuz! product while keeping the code independent and not affected by subsequent Discuz! product version upgrades. We encourage and recommend the use of plug-in mechanisms for customization and research and development of individual needs. Interested friends can come and take a look

2024-01-29 0 932
Git version control and workflow Chinese WORD version

This article is a summary of git version control and workflow. If some friends have not used git before and are not very familiar with the basic concepts and commands of git, you can start with the following basic tutorials: Git is a distributed version control system, and Compared with centralized version control systems similar to SVN, although centralized version control systems can enable multiple team members to collaborate on development, sometimes if the central server goes down, no one can submit updates and collaborate on development during the downtime. Even sometimes, if the central server disk fails and there happens to be no backup or the backup is not timely, then there may be losses.

2024-02-27 1 1003
Android platform ROM customization and streamlined tutorial WORD version

This document mainly talks about the customization and streamlining tutorial of Android platform ROM; the main contents of this tutorial include: Android system folder structure analysis, application software description, customization and streamlining, ROM signature package, etc. The test platform of this tutorial is HTC G2 and G3. Other models can learn from it. Flashing is risky, so if something goes wrong, you are responsible for it. I hope this document will help friends in need; interested friends can come and take a look.

2024-02-29 0 729
Flash CS3 animation production basic tutorial lesson plan Chinese WORD version

Flash is a classic and excellent vector animation editing software launched by Adobe. The size of animations produced using this software is much smaller than that of bitmap animation files (such as GLF animations). Users can not only add sound and video to animations and bitmap images, you can also create interactive movies or fully functional websites. This software does not require high computer knowledge of animators, is simple and easy to learn, and has smooth and vivid effects. It is a very suitable software for beginners in animation production. Before learning to create animations, through the study of this chapter, readers should be familiar with the characteristics of Flash animations

2024-01-17 0 1140
Android application framework principles and programming 36 techniques pdf traditional version

Android application framework principles and programming techniques 36 pdf traditional version, the book content is suitable for Android 1.0. Some friends may not be familiar with Android yet, right? Have you ever heard of Google’s customized high-end mobile phone from HTC? Its operating system is based on Android. If you are still not sure about it, you can Google "HTC g2" mobile phone to get a rough understanding of the interface and architectural features of the mobile operating system. Anyway, Andro

2024-02-26 0 721
Detailed explanation of the use of AsyncTask in Android Chinese WORD version

There are two ways to implement asynchronous task mechanism in Android, Handler and AsyncTask. This document mainly describes the use of AsyncTask in Android; I hope this document will help friends in need; interested friends can come and take a look

2024-02-26 0 611
Basic knowledge of PLC programming Chinese doc version

Programmable controller, called Programmable Controller in English, or PC for short. However, because PC is easily confused with Personal Computer (Personal Computer), people are still accustomed to using PLC as the abbreviation of programmable controller. It is an electronic system device with a microprocessor as the core for digital operation. It is specially designed for industrial field applications. It uses programmable memory to store and execute logical operations, sequence control, timing/ Operation instructions such as counting and arithmetic operations, and through digital or analog input

2024-02-29 0 958
Android rtsp streaming media playback introduction Chinese WORD version

This document mainly talks about the introduction of android rtsp streaming media playback; the real-time streaming protocol (RTSP) is an application-level protocol that controls the sending of real-time data. RTSP provides an extensible framework that makes it possible to control and on-demand real-time data, such as audio and video. Data sources include live data and data stored in clips. The purpose of this protocol is to control multiple data sending connections, provide a way to select a sending channel, such as UDP, multicast UDP and TCP, and provide a method to select a sending mechanism based on RTP. I hope this document will help friends in need; interested

2024-02-26 0 965
Design of virtual instrument based on USB and LabVIEW word version

The interface technology of virtual instruments and USB has received close attention in the field of instrument research and development. The use of USB interfaces for intelligent peripherals for data acquisition and control has improved its bottleneck phenomenon and also strengthened its "affinity" with general-purpose computers. Ordinary MCS-51 The microcontroller does not have a USB interface, and LabVIEW, one of the virtual instrument application software development platforms, does not provide a driver for the USB interface. For this reason, the design principles of virtual instruments based on USB and LabVIEW and the USB development method are introduced, and a method of USB development is proposed.

2024-01-28 0 1145
Android AsyncChannel source code analysis WORD version

This document mainly talks about the analysis of Android AsyncChannel source code; the AsyncChannel class is used to handle asynchronous message passing between two Handlers. The Handler for message passing can be from the same process or in different processes. Handler message passing between different processes Implemented using Android's Binder communication mechanism. I hope this document will help friends in need; interested friends can come and take a look.

2024-02-27 0 569
Detailed explanation of UML class diagram Chinese WORD version

This document mainly talks about the detailed explanation of UML class diagram; in the static mechanism of UML, class diagram is a key point. It is not only the core concern of designers, but also the core concern of implementers. Modeling tools also generate code primarily based on class diagrams. Class diagram occupies a very important position among the 9 diagrams of UML. I hope this document will help friends in need; interested friends can come and take a look.

2024-02-29 1 1245
Smart home based on Android Chinese WORD version

Android: Android is an open source operating system based on Linux, mainly used in portable devices. Android is an open source operating system designed specifically for mobile phones. Android phones will open up new applications and make home intelligence available to ordinary families. The Android interface display (Cortex_A8) comes from the Cortex_m0 analog quantity and can control or operate Cortex_m0. Friends in need can download and take a look

2024-02-29 0 689
Python website development guide WORD version

This document mainly talks about the guidelines for developing websites in Python; HTML is the universal language of the Internet, a simple and universal all-in-one markup language. It allows web page producers to create complex pages that combine text and images. These pages can be browsed by anyone else on the Internet, no matter what type of computer or browser is used. Python, like other programming languages, has its own set of processes. Control statements, and the syntax of these statements is similar to other programming languages. They all have keywords such as for, if, and while to express the program flow. I hope this document will help friends in need

2024-01-25 0 979
mod_python 3.2.8 Chinese manual doc version

mod_python 3.2.8 Chinese manual provides the Chinese manual of Mod_python 3.2.8, which is a good material for learning Mod_python. Interested friends can refer to it. mod_python originated from the Httpdapy project (1997). Much later Httpdapy was called mod_python because Httpdapy was not specific to the apache server. Httpdapy was designed to be cross-platform, but actually started primarily with Netscape servers (

2024-01-25 0 923
python basic tutorial to lesson 60_python basic information word version

Basic python tutorial to lesson 60. This tutorial introduces to you at the beginning, why to learn python, what are the advantages of python, etc. It will really make you want to learn python quickly. Why use Python as an introductory programming language? the reason is simple. Every language has its supporters and detractors. Go to Google "why python" and you will get a lot of results, such as wide range of applications, open source, active community, rich libraries, cross-platform, etc. You may also find

2024-01-25 0 1072
Python introductory tutorial Chinese WORD version

Python is an efficient language. The reading and writing operations are very simple. Just like ordinary English, Python is an interpreted and executed language. We do not need to compile, we only need to write the code to run. Python is an oriented language. The language of objects, everything in Python is an object. Python is a very interesting language; interested friends can come and take a look.

2024-01-25 0 656
Basic introduction to python unittest Chinese WORD version

Python comes with a unit test module, pyUnit is what we call: unittest; this document mainly talks about the basic introduction of python unittest; interested friends can come and take a look

2024-01-25 0 862
Detailed explanation of Python operations on Excel Chinese WORD version

This document mainly introduces how to read and write office excel through python, using the xlrd, xlwt and xlutils modules. It also demonstrates how to operate excel through the Tcl tcom package. Interested friends can come and take a look

2024-01-25 0 1285