iOS development: Nsthread multi-threaded use

One: Create threads,nsthread Three ways to create threads commonly:      //1: Create a startup manuallyLet Thread:nsthread = Nsthread (target:self, selector:"dosomething:",Object:"param") Thread.Name="ChildThread1" //How to manually create a

iOS 9 era, iOS 7 accounted for close to 10% what to do?

iOS 9 era, iOS 7 accounted for close to 10% what to do?The beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence:

Uialertview and the Uiactionsheet River in IOS 8?

Uialertview and the Uiactionsheet River in IOS 8?The beautiful Life of the Sun Vulcan (http://blog.csdn.net/opengl_es)This article follows "Attribution-non-commercial use-consistent" authoring public agreementReprint Please keep this sentence: Sun

IOS Auto-layout and elastic box

When my colleague asked me the question, a word "elastic box" popped into my head.Problem:There are 4 controls arranged in a Cell in a single pane, as shown in the layout:Assume:1. These controls are fixed in height and y coordinates.2. The blue

Visit the mobile company Room Impressions

December 10, we participated in the old boy teacher organized a visit to the Beijing Changping District Mobile Park of a company room activities, harvest also a lot, so is also very grateful to the old boy teacher and Beijing China Mobile Park all

Mapped Statements collection does not contain value for

This is an error caused by the namespace of the Pojo mapping file.The following format is required: The namespace must contain a format such as Mapper.xxmapper, otherwise the above error occurs.XML version= "1.0" encoding= "UTF-8"?>DOCTYPE Mapper

iOS design mode-command mode

Command modeObjective: The Command object encapsulates information about how the instruction is executed against the target, so the client or caller does not have to know any details of the target, but can still perform any existing

< turn >ios event processing mechanism and image rendering process

gcd

Original: http://mp.weixin.qq.com/s?__biz=MjM5OTM0MzIwMQ==&mid=401383686&idx=1&sn= 1613dfa8fa762a0efee4bc4af496fddf&scene=0#wechat_redirectWhat did IOS Runloop do? Runloop is a loop that receives the processing of an asynchronous message

android--background Color gradient (gradient change)

First create a new XML file under the Drawable folder named Bgcolor.xml.The code is as follows:XML version= "1.0" encoding= "Utf-8"?> Shapexmlns:android= "Http://schemas.android.com/apk/res/android"> GradientAndroid:startcolor=

iOS PJSIP Bluetooth Peripheral audio Support

Title, Bluetooth device as audio output, in the app if it includes VoIP then set whether to select or support Bluetooth output when connecting the Bluetooth deviceRecently in the processing of a ticket is the company's Voip-app and hardware phone

Basic operation of Nsurl in iOS development

1.URLURL is a concise representation of the location and method of access to resources available from the Internet, and is the address of standard resources on the Internet. Each file on the Internet has a unique URL that contains information that

Android projects get all running programs

The first is to build a JavaBean PackageCom.itheima.bean;Importandroid.graphics.drawable.Drawable; Public classTaskInfo {Privatedrawable icon; PrivateString name; PrivateString size; Private BooleanIsUser; Publicdrawable GetIcon () {returnicon; }

Android Heavy difficulty analysis--the questions that may be asked in the interview

This project focuses on some of the most difficult concepts in Android, as well as the classic questions that may be asked during an interview. Because these knowledge points are relatively trivial, not very suitable for writing an article, so

Relativelayout relative layout tips for Android layout

http://blog.csdn.net/nieweiking/article/details/38417317Relativelayout Relative LayoutRelative layout relativelayout allows child elements to specify their position relative to their parent or sibling elements, which is one of the most commonly used

Android TextEdit Properties

EditText Inheritance Relationship: View-->textview-->edittextRemove borderModify the EditText property settingAndroid:background= "@null"Android:hint= "Please enter a number! "//Set the information displayed on the Space android:numeric=" integer "//

Some iOS tips

ARCWhat is 1,arc? Automatic referece counting MRC mannualThe technology that came out after iOS5What is the principle of 2,arc?When the program is compiled, the system helps us to add retain,release to the appropriate place.3, cannot be used in

IOS get icon position for Uitabviewcontroller and Uinavigationcontroller

These icons are placed in Uitabbar and Uinavigationbar. So just go through their subviews and find the type is UIButton.It's easy to get the relative position of all of them.But I have a need to cover the entire screen with a layer of UIView, and

Android built-in pull-down refresh component Swiperefreshlayout

Maybe the dropdown refreshes before you may use some third-party open source libraries, such as Pulltorefresh, Actionbar-pulltorefresh wait, but now some formal components---swiperefreshlayout, Swiperefreshlayout is a drop-down refresh component of

Android starts early in third-party application system applications, kills its own active third-party applications to restart

1. Why are third-party applications likely to start earlier than the system app? Android can be consulted, here is not detailed, here does not elaborate rom boot and bootloader. The approximate flow of software startup should be Start

An iOS framework description: Mknetworkkit

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ASIHTTPRequest (Bencopsey) is a powerful framework for using simple, simple to complex HTTP requests, or for working with rest services such as Amazon S3, Rackspace.Unfortunately, Ben had stated on September 21, 2011 that it had ceased developing

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