Mobile Develop

The company is responsible for the Android development of small partners learning ability slightly weaker, confessed to his automated packaging tasks, has been a long time still no results. Helpless had to personally shot.I didn't think the process

Database: SQLite (lightweight, embedded database)A large number of similar structures of data storage, fast query. Special files (generated in a certain format)Creation of a databaseCreate a file1. Declare the file object, the file will not be

5th Android porting and drivingBy studying this chapterAndroidTransplant and drive, yes.Androidporting and driving relationships. Where the device driver includes the kernel driver and the user space driver. Linuxsystem equipment is divided

S3C6410 is a low-power, cost-effective RISC processor, developed by Samsung, first installing the Minicom serial debugging tool:The first step: detect whether the current system supports USB to serial port.Lsmod | grep usserialStep Two: Install

NotLinuxThe driver writes data directly to the memory in the hardware, but with the nativei/0Memory (I/O Memory, which is in kernel space for interaction. So-called1/0memory is through various interfaces (PCI,USB, Bluetooth, Ethernet port, etc.)

The following are all from the Internet, but it is a summary of the individual extracts, the main analysis of "only when the message loop pattern matches the event pattern, the message loop will run" This sentence pattern matching, which patterns

Brief introductionOC was developed from the C language.The reason why you can become a dynamic language is because of the runtime mechanismRuntime is the OC in the runtime of some mechanisms;The most important thing about OC Runtime is the messaging

the Linux system maps each driver into a single file. These files are called device files or drive files and are saved in the/ dev directory. Since most Linux drivers have their corresponding device files, exchanging data with the Linux driver

Recently uploaded an app, because it is the first time to upload, the time spent on this is no longer than the application of the short-term ah .... Say more is a tear. In order not to let everyone fall into the pit, to share some small experience:1.

Storage in Keychainquery can count user usage-(void) gathermessage{Capture User Device informationNsuserdefaults *userdefaults=[nsuserdefaults Standarduserdefaults];NSDate *loaddate=[nsdate Date];NSDate *lastdata=[userdefaults valueforkey:@

First, the S3C6410 development environment configuration process is as follows:1, check whether the current system supports USB to serial port#lsmod | grep usbserial2, Installation minicom#apt-get Install minicom3, Configuration minicom#minicom –s4.

The buzzer also becomes PWM (pulse width modulation), the basic principle is to control the buzzer by the pulse to open and stop. It is a very effective technology to control analog circuits by using the digital output of the microcontroller, which

one, the sequence of statically configured frame animations in Animation_list.xml, as follows:                  " Note: 1,android: duration= "100" refers to the duration of the corresponding frame. 2,android:oneshot configuration   If true,

This article will give you a detailed introduction of iOS in the purchase, this is my May 16 end of the development process, I hope to read this article to help people.This article is based on the Xcodeversion 7.3 (7d175) version and the phone is

The Development Board is the main hardware device for developing and learning embedded technologies, although Linux drivers can be developed on a PC and then recompiled into an ARM-architected Linux driver module. But in the end it's going to be

Forward: http://www.cnblogs.com/pruple/p/5523767.htmlForward: http://blog.csdn.net/sunnyboy9/article/details/50887413Problem Description: Submit app Audit request to AppStore error, check certificate found many certificates show "Invalid issuer of

iOS Development Web-File uploadNote : When a file is uploaded using a POST request, the data to be uploaded is usually stored in the request body. This article describes how to implement a file upload in iOS development without the help of a

Transferred from: http://blog.csdn.net/totogo2010/article/details/8501812Animation effects provide a smooth user experience for State or page transitions, and in iOS we don't need to write our own animation code, and Core animation provides a rich

In my previous blog, "iOS Development combat--collectionview Click event and keyboard hide combined case" in detail, CollectionView and keyboard combination operation in the various situations, and solve the interactive experience of some problems.

UIView, flip, rotate, offset, flip, zoom, invert animation effects[OBJC]View PlainCopy  Start animation [UIView beginanimations:@ "Doflip" context: nil]; //settings are often [UIView setanimationduration:1]; //Set animation fade