Programmer Group

1. summary The technology builders of Hangzhou Internet court and judicial blockchain platform are ant financial services blockchain. Then, with the help of ant's technical ability and service ability, how to quickly connect with the superior's legal chain, so as to facilitate the subsequent opening ...

The relevant source path used in this article: Android 9.0 app startup source code 1. Introduction to startup 1.1. Startup process: Click the desktop App icon, and the Launcher process uses Binder IPC to initiate the startActivity request to the system server process; After receiving the request, t ...

Encapsulate a tool to delete useless resource files at will Train of thought: Export a txt file with lint log through lint command Filter out all useless resource files by reading the "[UnusedResources]" field in it Files can be deleted directly - drawable-mdpi - drawable-hdpi - drawable-xhdpi ...

1. Design tasks and requirements (1) design a calculator based on Android system to realize the arithmetic of addition, subtraction, multiplication and division, and the operation of clearing and canceling. The interface design should be as simple and beautiful as possible, with good interaction, and ...

A fast way to confuse small whites for Android Why confuse Start confusing step one Several commands related to rules that keep relevant elements out of confusion are highlighted first: Fast confusion? What if the relying non-mainstream open source library authors don't mention anything about confu ...

Article Directory Preface Introduction to eMIOS New Project PE Configuration Complete Code WeChat Public Number Preface Building MPC5748G Development EnvironmentMPC5748G S32_SDK_PA_RTM_3.0.0 GPIO Debugging Emulation SettingsMPC5748G SDK timer timing_palMPC5748G UART uart_palMPC5748G Note CAN can ...

Recently, when working on background management projects, I encountered a problem that I used the high-resolution meter to read the identity card information (Nada high-resolution meter) and then integrated it on the page. At that time, I was confused about how to integrate the hardware interaction i ...

On October 31, at the 2019 China International Information and Communication Exhibition, the Ministry of industry and information technology announced that 5G business was officially launched. 5G business age is coming! The commercial application of 5G makes the data transmission speed, response speed, connection data, data transmission volu ...

Here are the steps: 1. Get management permission: this development package has been integrated, which can be done with only one code call. This is quite convenient. PermissionUtil.grantNeedPermission(this); 2. Open NFC and listen to NFC events. If you don't understand this paragraph, you c ...

Is anyone aware of the possibility and how to send SMS programmatically via iPhone via the official SDK / Cocoa Touch? #1 building Use this: - (void)showSMSPicker { Class messageClass = (NSClassFromString(@"MFMessageComposeViewController")); if (messageClass != nil) { // Check whether the current device is con ...