iOS delegate things you have to know

When you start to write iOS programs soon, you should start to face a lot of delegate,Whether you use someone else's library or write your own library, you may not be able to escape delegate.In order to fear that some people do not know what is

ECLIPSE Android Layout page file error Troubleshooting exception raised during rendering:java.lang.System.arraycopy ([Ci[cii) V

Add controls manually add or drag in the layout add, add EditText after the layout is not good, the other controls easy to use, and then said the following paragraphException raised during rendering:java.lang.System.arraycopy ([Ci[cii) VException

Installation of Appium

OS:WIN7 64-bit flagship edition1. Install NODEJS2. Add node's installation directory to path 3. Use NPM install–g appium or npm--registry http://registry.cnpmjs.org install-g appium ( Recommend this, NPM's domestic mirror) (installation process

Address Book phone number space problem in iOS

Today, when reading the address book, the mobile phone number format Read is * (* * *) ***-****, at first glance, the number in the middle of a space, "-", (,) of non-numeric characters.Then I would like to replace these non-numeric characters, the

Android Learning layout (top)

Learn about three property values before learning the Android layout:1, Fill_parent:Setting the layout of a component to fill_parent will force the component to expand to fill as much space as possible within the layout unit2, Match_parent:Android2.2

iOS development Learn about the origins of Objective-c languages

Objective-c is similar to object-oriented languages such as C + +, Java, but in many ways different. If you use another object-oriented language, you can understand many of the paradigms and templates used by objective-c. However, the syntax may

Simple Android Client Servlet server-side interaction

The Android client sends the data to the server via get, and after the server obtains the data, it obtains the information from the server and returns it in the JSON data format.1, the format of the Get method to pass the parameter:form of the http:/

iOS Dev-open third-party apps and pass values within apps

First of all, this function should have been contacted.For example, if you download an ebook and then choose to open it, you may see the Reading app already installed on your phone.Or, your QQ has received a file, you can also choose the local app

"Android Interface Implementation" Photoview project--implementation of single point/multi-touch zoom image Support

Reprint Please specify source: http://blog.csdn.net/zhaokaiqiang1992The open source project that we are going to introduce to you today is the Photoview project from GitHub, the main function of this project is to achieve the reduction of the image

iOS creates folders, saves, reads, and deletes files in the document directory

1 //Create a folder named Launchimage in the documents directory2NSString *path = [[Nshomedirectory () stringByAppendingPathComponent:@"Documents"] stringByAppendingPathComponent:@"Launchimage"];3NSLog (@"%@", path);4 5Nsfilemanager

Share how to do anti-hack for NDK-based Android apps!

        android program anti-cracking is a very important issue to consider when publishing your app, and it's common practice to add confusion to your code to increase the difficulty of cracking. But even so, the Java code after the

Android Environment Setup

IntroductionThis series is suitable for 0 basic personnel, because I am starting from 0, this series record I step into the Android development of some experience sharing, hope and June Mutual encouragement! As a new person in the Android team I, if

The difference between nil/nil/null in iOS

Concepts of classes and objectsA class is an abstraction of the same kind of thing, which defines the static attributes (attributes) and dynamic properties (methods) that such an object should have.An object is an instance of a class and is a

Android Baidu Map Location

When it comes to Baidu maps, this time should be controversial well known, many words do not pull, directly to the theme.Access to the Baidu Map API must apply for key, there is no need to apply key here, the official documents on the above

Common Android Errors and tricks

1. Unable to use the network: Permission denied (maybe missing internet Permission)A: Increase the Allow network option in Androidmainifest.xml (after closing the tag >):Java code: Uses-permission android:name= "Android.permission.INTERNET"/

Knowledge of UIWebView and JS interaction in iOS

First, UIWebView and JavaScript interactionSource Address: http://blog.sina.com.cn/s/blog_74e9d98d010199jc.htmlGeneral Overview:In essence, the communication interaction between OC and JS is to send a message, that is, a function call, as long as

Android uses broadcast monitor to press home and power key

PackageCc.testhome;ImportCc.testhome.HomeKeyObserver.OnHomeKeyListener;ImportCc.testhome.PowerKeyObserver.OnPowerKeyListener;ImportAndroid.os.Bundle;Importandroid.app.Activity;/*** Demo Description: * Use the radio to listen to the home button press

"Go" Android language switching process Analysis

Recently in a bug, the system switch language, the original back to the background of the music, will be displayed on the Notification bar notification. To solve this bug, I learned the language switching process for Android, and also referenced a

Android based project structure analysis

Creating the first Android project, using tools to develop Android projects, it is necessary to familiarize yourself with the project's directory structure and to see what is placed under each item. Expand the entire project, with its root structure

Should Cisco buy NetApp at the moment?

Big Data Online Report: The industry's most watched event last week was EMC's inclusion of VCE in its federation, and Cisco opted to sell most of its holdings of VCE shares to EMC. This is tantamount to declaring the VCE alliance formally "dissolved"

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