Keys for Xcode iOS development environment

Shortcut keys Edit File CMD + N: New file; CMD + SHIFT + N: New project; CMD + O: open; CMD + S: Save; CMD + SHIFT + S: Save as; CMD + W: close the window; CMD + SHIFT + W: Close file Edit CMD + [: Left indent; CMD +]: Right indent; CMD +

iOS Madness detailed custom status bar code parsing

This explains that Apple does not have an open status bar API, and there is no mention in the official iOS documentation of how to modify window level; First look at the available values for window level include: 1:typedef CGFloat Uiwindowlevel; 2

Top ten issues to address before developing iOS applications

In this article we will show you 10 questions you might want to ask before developing the iOS platform (iPhone, ipad, ipod) application. 1. Which platform should we target? Only iOS (the IPhone and IPad) and Android have enough

How iOS calls the WebView private API

-(void) Modifyua { ID webview = [uiwebviewinstance valueforkeypath:@ "_internal.browserview._webview"]; [WebView performselector: @selector (setcustomuseragent:) withobject:@ "mozilla/5.0 (Windows; U Windows NT 5.2) applewebkit/525.13 (khtml,

iOS development: Selection of delegate, notification, KVO

The functions of delegate, notification and KVO are similar, so how do you choose these methods in actual programming? When developing iOS apps, we often encounter a common problem: how to communicate between controllers without too much coupling.

iOS development: UIView Animation detailed

The work required to perform an animation is automatically completed by the UIView class, but you still have to notify the view when you want to animate, and you need to wrap the code that changes the property into a block of code. 1.UIView

Introduction to the use of IOS Simulator simulator

The iOS Simulator is a helper tool that can be used when developing a program on the iOS platform under Mac. iOS Simulator is part of the Xcode, Xcode is Apple's own iOS development program that can be downloaded for free! The IOS Simulator is

iOS Open System camera flash

Today to share with you how to call the iphone's camera function and turn on the flash, some code I do not understand, many are on the internet to learn from others. iOS has two ways of photographing and video: 1. Direct use of

iOS simulator iOS simulator detailed graphics and text usage tutorial

The iOS Simulator is a helper tool that can be used when developing a program on the iOS platform under Mac. iOS Simulator is part of the Xcode, Xcode is Apple's own iOS development program that can be downloaded for free! The IOS Simulator is

iOS Animation--What? AutoLayout can also do animation?

Yes, it is very clear to tell you reader, AutoLayout can do animation. AutoLayout is used to make a variety of constraints, is used to fit different screens, then when we change some of these constraints and say that the process of change at a slow

Add dynamic Hide button on iOS virtual keyboard

To add a button to the keyboard, in real time according to the keyboard different height Change button position, do not do input when the click button can hide the keyboard, this way in a lot of software are reflected, and then check the Internet on

IOS memory optimization and debugging tips

Basic section 1: Picture Memory Size Summary A: Picture: Is the memory of the large, especially mobile game pictures of many resources. The calculation of the memory footprint of picture resources becomes the regular work of J2ME game developers,

How to view a PNG image optimized for iOS

The iOS application is that Xcode will optimize the PNG file so that the picture preview is not displayed. So how do you look at these optimized files? The optimized action is done by the Pngcrush tool, and you can find it in Xcode. Pngcrush

Talk about three key words in the iOS HMI guide

After a few years of the iOS HMI guide, the opening is always followed (deference), clear (Clarity), depth (Depth) These three keywords, from iOS7 to IOS9 has never changed. In Ios>, the UI as a support for content, always serves the content, just

iOS navigation mode for mobile product design

Navigation is always the play of product design, often 90% of the things in product design is doing navigation. The iphone has 3 out-of-the-box navigation modes, tile lists, tabs, and tree structures, each with different toolbars and controls. Three

IOS version wps WiFi file transfer Three steps to import a file into a mobile device

When mobile devices such as mobile phones and tablets become the necessities in people's life, how to connect computers with mobile devices easily and realize file sharing becomes an urgent problem. The file transfer feature software is numerous,

Summary of Nsarray,nsset,nsdictionary in iOS

Three collection classes to collect Cocoa objects (NSObject objects): Nsarray for an ordered set of objects (equivalent to an array) Nsset for object unordered collections Nsdictionary for key-value mappings The above three collection classes

How to set up iOS simulator for Mac system

iOS developers often use the simulator to debug, of course, this is not the Mac computer's Xcode software, today PC6 to bring you in the Mac system how to quickly launch the iOS simulator use tutorial: First, how to start the iOS simulator 1.

How Mac systems start the iOS simulator

iOS developers often use the simulator to debug, of course, this is not the Mac computer Xcode software, today's small series to bring you in the Mac system how to quickly launch the iOS simulator use tutorial: First, how to start the iOS simulator

IOS --------- display and hide the network activity icon of the status bar, ios --------- Status Bar

IOS --------- display and hide the network activity icon of the status bar, ios --------- Status Bar // The Status Bar of the request sent to the server displays the network activity flag: [[UIApplication sharedApplication]

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