What is the relationship between iOS Dev-18 UIWindow and UIView, and is it not important to promote UIWindow with the Xcode version? Ask for answers

(1) Because the Xcode version is different, the latest Xcode does not provide a blank document that our old version can freely create (rather, it is purely a project without anything, yes, nothing), so we build on a single MVC template, This example,

Android Asynctask Introduction

Android Asynctask IntroductionComparison of Asynctask and handler1) Asynctask implementation of the principle, and the advantages and disadvantages of the applicationAsynctask, a lightweight asynchronous class provided by Android, can directly

Use of the M, mm, mmm compiler commands under Android

By viewing the build/envsetup.sh file in the Android source directory, you know:-M:makes from the top of the tree.-mm:builds all of the modules in The current directory.-mmm:builds all of the modules in the supplied directories. To use these

Android Resource picture reading mechanism

When creating a new Android project, a few drawable folders will be generated automatically in the Res directory, drawable-ldpi,drawable-mdpi,drawable-hdpi, it's not clear to me all the time, the picture should be placed under which folder, What are

Porting Mvvmlight to iOS Step1

Https://github.com/wangrenzhu/SimpleIoc-For-Objective-cSimple iOS for OBJECTIVE-C version basically implements all the functions perfectly to achieve factory and dependency injection.viewmodellocator.m//simpleioc////Created by Qvod on

Common cursor movement shortcuts in the Linux command line

Not familiar with Linux, the previous time in the Linux command, to move the cursor, a silly one of the movement, feeling particularly uncomfortable. There are several common shortcut keys. CTRL + around key: jump between words CTRL +

[Android Memory] How to view an app's current traffic in an Android system

Reprinted from: http://blog.sina.com.cn/s/blog_628cc2b70101dbyy.htmlFirst, view principle: The network traffic data of an application is saved in/proc/uid_stat/$UID/TCP_RCV file of the system.Second, step:(1) Get PID of the current application: View

Ym--android's ListView performance optimization

Android's ListView performance optimizationIf you have seen the 15k interview questions that I have written, you must know that the ListView is optimized in the following ways: Reuse of Convertview Viewholder Static Class Viewholder In the

Android Androidmanifest.xml Uses-feature Detailed

If you are an Android user and you have an older Android device with Android 1.5 installed, you canYou will notice that some of the newer apps are not shown in Android Market on your phone. This must be an application useThe results of .Android

"iOS Dev-16" Uitextfield protocol usage, keyboard hiding, and view adjust position up and down as the keyboard appears hidden

(1) There are a lot of settings for editing and ending editing for text boxes that require a text box protocol, Uitextfielddelegate: The protocol is first added to the AppDelegate.h, Then you can use it in the VIEWCONTROLLER.M. For example, in this

Daily summary-android set background color error

Daily Summary, there will always be qualitative change! Today to RadioButton set the background color error, the information is as follows:Item> tag requires a ' drawable ' attribute or child tag defining a drawableWorkaround:You should not use the

How Eclipse Development Android programs run on your phone

Android development is simple, whether it's on a real-computer debug or a final release to a real machine, as follows:1. Install USB driveMobile phone to be able to connect with the computer, of course, to drive. The effect is that you plug in the

Android Animation parsing--xml

Type of animationAndroid animation is made up of four different typesin XMLAlpha Gradient Transparency Animation effectScale gradient dimension stretch animation effectTranslate picture conversion position move animation effectRotate picture

Android Binder Summary

1. Mediapplayerservice start, how to register in ServiceManager, do not explain the detailed detailsServiceManager is the service manager of the entire system, and the rest of the system services are called ServiceManager through the

Three. $ more than 2 million for entrepreneurial lessons-entrepreneurship doesn't need apps

Abstract: There is an idea, research and development of the app or website, promotion, continuous improvement, explore the profit model. This general-purpose mobile Internet startup process. But I think that in some specific business models, the

iOS program crash reporting management solution (Crashlytics in 2014-09-24)

Pre-research crashlytics in 2014-09-241: Principle of implementationIn principle, crashlytics through the following 2 steps to complete the crash log upload and analysis:(1) To provide the application SDK, you need to call its SDK when the app

How to bring a game from unity to an iOS device

When I started developing my own iOS game, the first thing I thought about was how to export it to my device so that I could test my game so effectively. Initially, the process seemed long and complex, and the main problem I encountered was that,

An explanation of the file directories related to Android apps

First, the method is introduced:Each Android application can get the application-related directory through the context, the functions of these directories are different, each directory has its own characteristics, and sometimes confusing, this

Nagios uses Nrpe to monitor Linux hosts

First, Introduction1, Nrpe IntroductionNrpe is a feature extension of Nagios that executes plug-ins on remote Linux/unix hosts. By installing the Nrpe plugin and the Nagios plug-in on a remote server, you provide the server's local conditions to the

"Accessibility" 20 excellent mobile product prototypes and wireframe design tools (i)

Design is an important element in determining development and testing. In the design process, we may use a number of different design tools to sketch the original manuscript.Here are some of the tools used to make mobile design.======================

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