iOS key words

Self: Similar to the this pointer in Java, is a shadow parameter, pointing to the class of the currently calling methodSuper: Calling methods of the parent classif (Self=[super init]), is a general notation, the assignment and measurement of 0 is to

Common data conversion method for Android and MCU Communication (summary)

The following code is directly affixed1. Convert GB2312 to Chinese, such as bafac2dcb2b7→ Carrot, two bytes to synthesize one text Public StaticString STRINGTOGBK (String string)throwsException {byte[] bytes =New byte[String.Length ()/2];

How Android Studio packs a Jar pack

The following is a batch processing to hit the jar package.First, copy the following code and then create a new txt text on the desktop, rename the file to a. bat suffix, edit it, paste the code into the Save, and double-click to run the batch file.@

iOS development UI chapter-core animations (transition animations and group animations)

iOS development UI chapter-core animations (transition animations and group animations)First, transition animation simple IntroductionA subclass of Caanimation, used for transition animations, to provide layers with animated effects for moving out

iOS development UI chapter-core animation (Keyframe animation)

iOS development UI chapter-core animation (Keyframe animation)First, Brief introductionis a subclass of Capropertyanimation, the difference with cabasicanimation is that cabasicanimation can only change from one numeric value (Fromvalue) to another (

WPF implements Samsung phone charging interface

First onThis effect comes from the Samsung S5 charging interface, of course, some of the details of the difference, mainly to see ideas. The purpose of this article is to exchange technology and not to direct the effect to commercial products and

How Android Studio imports the Slidingmenu class library

Transferred from: http://www.codes51.com/article/detail_183523.htmlNow see how Android Studio use third-party library ~ Online to find a lot of tutorials seems to have a problem, I tried it, simple, pro-test effectiveFirst step: Prepare the library

Android timestamp converted to standard datetime (YYYY-MM-DD hh:mm:ss) format

The following functions have been tested and passed for the implementation process.Android timestamp converted to standard datetimeandroid timestamp Standard datetimePrivate DateTime GetDateTime (string timeStamp){DateTime Dtstart =

iOS development-cocopods Why Swift I can't pod

Other I wrote before: [original] installation of Cocopad pitThis one is an extension of it, mainly swift things will be new to write one, or will be confused children in trouble The original, the Pit Father's Guide library all guided me 15

Building Android development environment in Linux environment

This article focuses on building the Android development environment under Ubuntu, using the IDE for Eclipse (the same with Android studio, and eliminating the steps to configure the SDK and install the ADT plugin).1. Installing the JDK(1) JDK8:http:

Android Official Development Document Training series: ViewGroup Event management for gesture processing

Original address: https://developer.android.com/training/gestures/viewgroup.htmlHandle touch events in ViewGroup with extreme caution, because there are many sub-view in ViewGroup, and these sub-view are different targets for different touch events.

log4j and Web. XML configuration Webapprootkey issues (multiple apps deployed under one tomcat)

Transferred from: http://blog.csdn.net/arvin_qx/article/details/6829873When deploying two or more projects under Tomcat, it is best to define the Webapprootkey parameter in the Web. xml file and, if undefined, default to "Webapp.root", as

Android design casually speaking simple practice (module Division)

The previous essay with (Android design casually say) then said what is the design and design principles, here to give a simple example to further say Android design. We use the App Store design for example.Before the design, need to grasp two parts

About transparent, translucent, percent conversion in Android

In the XML file, you can write #0000 directly, this is the effect of full transparency.#9000这个值相当于56%, because the color value is 16 binary, #9000相当于 (9/16)As a percentage, you can convert it according to this ratio.Fully Transparent #000010%

iOS video live based on FFmpeg (i)

now very popular live, I believe a lot of people are like me very curious how this technology is implemented, just recently in a ffmpeg project, found that the tool is easy to do live, the following to share the following technical points:First you

JS Registration detection User name, password, mobile phone number, mailbox

Please enter your phone number: ""Type="text"Id="Telphone"Value=""/>Please enter your email address:""Type="text"Id="Mail"Value=""/>Please enter your password for the first time:""Type="text"Id="MIMA1"Value=""/>Please enter your password for the

iOS Development UI Chapter-quartz2d use (draw basic graphics)

A simple explanationGraphics context: is a cgcontextref type of dataThe role of the graphics context: Saving drawing information, drawing stateDecide where to draw the output target (where to draw?) (The output target can be a PDF file, a bitmap, or

Android5.0 Recording Screen scheme

Introductory This article mainly revolves around the function of the Android live assistant to do some research, because before to the Android multimedia related content to know very little, only the concept, then looked up the related material and

How hard is it to develop an App? You may not believe it!

Kids video App for Programmer's Inn1. How hard is it to develop an app?To be honest, it's not that difficult to develop an app simply from development. If the basic function point of an app is determined, the development time is typically 1-2 months,

i.mx6 Android CAN command line test

/********************************************************************* * i.mx6 Android CAN command line Test * Description: * Use Can-utils to test the can driver here. * 2016-8-9 Shenzhen Nanshan Ping Shan village Zengjianfeng **********************

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