1, Introduction to DependentLayout
DependentLayout is a common layout in Java UI system. Compared with directional layout, it has more layout methods. Each component can specify the position relative to other peer elements or the position relative to the parent component.For the layout of DirectionalLayout, please refer to my blog: Use of comm ...
Added by ahinkley on Mon, 24 Jan 2022 06:31:15 +0200
Author: Li Gang, Huawei distributed hardware technology expert, sun Binxin, Huawei application framework technology expert
HarmonyOS is a new distributed operating system, which provides developers with distributed technologies such as meta capability framework, event notification and distributed hardware, so as to develop distributed applica ...
Added by dodgei on Wed, 19 Jan 2022 06:58:22 +0200
First entry app: HelloWorld
1. How to run a project
Turn on the simulator
Note: this simulator is not a local simulator, but in the Huawei server. The advantage is that this simulator does not need to occupy local resources, but it cannot exceed 1 hour after startup. I ...
Added by Static_Nexus on Fri, 14 Jan 2022 14:10:17 +0200
Harmony OS device development learning record (12) -- light the oled to display Chinese characters and pictures through I2C.
Based on hispark wifi suite, harmony os 2.0 full code is adopted
1, See the schematic diagram to determine the hardware circuit
Schematic diagram of oled
2, Create a demo file in the source code
First, clone the dri ...
Added by ThE_eNd on Fri, 14 Jan 2022 02:54:53 +0200
What is the HarmonyOS operating system:
HarmonyOS has three characteristics:
Distributed soft bus:
Distributed device virtualization:
Distributed data management:
Distributed task scheduling
One time development, multi terminal deployment
Unified OS, flexible deployment
Equipment certificate certifica ...
The previous article has introduced the method of obtaining the current location, which has a problem: there is a deviation of about 500 meters from the actual location.
After some investigation, it is concluded that the gps signal uses WGS-84 coordinate system, while Gaode map uses GCJ-02 Mars coordinate system. Only af ...
Added by 1josh13 on Sun, 02 Jan 2022 20:27:41 +0200
Trans in soft bus module_ Service directory analysis summary
This paper mainly summarizes trans under soft bus module_ The functions and functions of a file in the service directory are macroscopically grasped_ The role of service in Hongmeng system. trans_ The service module relies on the network socket service provided by the system OS to pr ...
Added by unreel on Sat, 01 Jan 2022 15:02:09 +0200
[this article is participating in the "prize essay | harmony OS essay contest"]
Service card overview
The service card (hereinafter referred to as "card") is FA It is an interface display form of FA, which puts the important information or operations of FA in front of the card, so as to achieve the purpose of direct servic ...
Added by Gorillas on Fri, 31 Dec 2021 15:17:06 +0200
A hundred blog series This article is:
v66.xx Hongmeng kernel source code analysis (root file system) | file system first attached to / | 51 .c .h .o
Relevant articles of the file system are:
v62.xx Hongmeng kernel source code analysis (document concept chapter) | why do you say everything is a document | 51 .c .h .ov63.xx Hongmeng ker ...
Added by dragin33 on Mon, 27 Dec 2021 17:11:45 +0200
HarmonyOS actual combat
At present, CSDN's official App is not adapted to Hongmeng system, but we are programmers and can develop it ourselves. Why wait for CSDN?
Do it yourself. Today, let's realize an interesting Hongmeng card. That is, put the first 10 of your latest blog posts on Hongmeng card and show them to you.
In addition to p ...
Added by BuzFortuna on Sun, 26 Dec 2021 14:58:37 +0200